Caterpillar D6R II
Caterpillartrack-type tractor

Caterpillar D6R II

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar D6R Series II is a mid-size track-type tractor (crawler dozer) in Cat's D6 class, built for production dozing, land clearing, and finish grading. The D6R line traces back to the D6H and originally launched with the mechanically governed Cat 3306 diesel; the Series II update replaced that engine with the Cat C9, an 8.8 L, six-cylinder, turbocharged-and-aftercooled diesel using HEUI hydraulic-electronic unit injection, later updated with ACERT electronic controls within this same generation. Net power runs about 130 kW (175 hp) on Standard configuration and around 145 kW (195 hp) on XL/XW/LGP configurations. Operating weight spans roughly 18.2 to 23 tonnes (about 40,000 to 50,800 lb) across Standard, XL, LGP, and XW builds, depending on blade fitted. Drive is through a torque converter, torque divider, and a three-speed planetary powershift transmission, steered by either an optional hydraulically actuated differential-steering system with single-lever control or a standard steering-clutch/brake setup with Finger Tip Control levers. The Series II sits between the original 3306-powered D6R and the Tier 3/Stage IIIA D6R Series III that followed it.

Across D6R generations, the biggest change is the engine and its controls: the mechanically governed 3306 gave way to the electronically managed, HEUI-injected C9 on the Series II, which was itself later updated with ACERT tuning ahead of the formally separate, Tier 3/Stage IIIA-certified Series III. Each step added more sensors, tighter injection control, and dedicated diagnostic software, so engine and fuel-system parts are not simply interchangeable across the D6R nameplate's life. Differential steering also became a more common factory option through this period, alongside blade choices (straight, semi-U, angle, and six-way PAT/VPAT) and rear-attachment options like a multi-shank ripper or a power-shift winch. In today's used and parts market, the D6R Series II remains a widely produced, globally distributed size class, and its C9 engine is shared across other Cat equipment, which keeps parts support broad. The trade-off buyers weigh most is fuel-system complexity: the C9's HEUI pump and injectors need clean fuel and oil to reach their potential service life, so a full fluid-sample and diagnostic-code history check before purchase matters more on this generation than it did on the simpler 3306-powered original.

Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.

Caterpillar D6R II specifications

Engine

Engine modelCat C9, 6-cylinder in-line, turbocharged, air-to-air aftercooled, HEUI hydraulic-electronic fuel injection. Some production and market variants are documented as C9 ACERT.
Emissions certificationMeets U.S. EPA Tier 2 and EU Stage II off-road standards; later production also certified to China Stage II (GB 20891-2007). Older documentation for this model also references compliance with Japan Ministry of Construction requirements.
Displacement / bore / stroke8.8 L (537 in3); bore 112 mm (4.4 in); stroke 149 mm (5.9 in)
Rated engine speed2000 rpm
Gross power, Standard configuration144-148 kW (193-199 hp), depending on rating standard (SAE J1995 vs ISO 14396)
Net power, Standard configuration130 kW (175 hp) per SAE J1349 / ISO 9249 / 80-1269-EEC
Gross power, XL/XW/LGP configuration159-163 kW (213-219 hp), depending on rating standard
Net power, XL/XW/LGP configuration145 kW (195 hp) typical; some documentation lists up to about 149 kW (200 hp) for this configuration
Altitude deratingNo derating required up to 2286 m (7,500 ft); automatic derating above that altitude; maximum operating altitude 3048 m (10,000 ft)
Fuel system / air managementHEUI hydraulically actuated electronic unit injection with multiple injections per cycle; wastegate turbocharger; air-to-air aftercooler (ATAAC)

Weights

Operating weight, Standard, S blade18,225 kg (40,179 lb)
Operating weight, Standard, A (angle) blade18,669 kg (41,148 lb)
Operating weight, Standard, SU blade18,325 kg (40,400 lb)
Operating weight, XL, SU blade20,080 kg (44,270 lb)
Operating weight, LGP, S blade21,715 kg (47,874 lb)
Shipping weight, Standard15,017 kg (33,106 lb)
Shipping weight, XL, SU blade17,012 kg (37,505 lb)
Shipping weight, LGP, S blade19,153 kg (42,225 lb)
XW and VPAT-blade configurationsOperating weight runs roughly 20,700-23,000 kg (45,500-50,800 lb) depending on blade type and counterweight fitted; exact figures vary by source and are not separately confirmed for this generation
Weight basisOperating weight includes lubricants, coolant, full fuel tank, standard track, cab, hydraulic controls, drawbar and operator; shipping weight includes lubricants, coolant, cab, hydraulic controls, standard track and 10 percent fuel

Dimensions

Length of basic tractorStandard/XL 3860 mm (12 ft 8 in); LGP 4247 mm (13 ft 11 in)
Length addition, S bladeStandard 1043 mm (3 ft 5 in); LGP 1218 mm (4 ft 0 in)
Length addition, SU bladeStandard 1235 mm (4 ft 1 in); XL 1472 mm (4 ft 10 in)
Length addition, A (angle) bladeStandard 1147 mm (3 ft 9 in); XL 1349 mm (4 ft 5 in)
Width over tracks, without trunnions, standard trackStandard/XL 2440 mm (8 ft 0 in); LGP approximately 3193-3201 mm (10 ft 6 in)
Width over trunnionsStandard/XL 2640 mm (8 ft 8 in); LGP approximately 3428-3491 mm (11 ft 3 in to 11 ft 5 in), varies by source
Machine height, stackStandard/XL 3143 mm (10 ft 4 in); LGP 3193 mm (10 ft 6 in)
Machine height, ROPS cabStandard/XL 3195 mm (10 ft 6 in); LGP 3245 mm (10 ft 8 in)
Ground clearanceStandard/XL 383 mm (1 ft 3 in / 15 in); LGP 433 mm (1 ft 5 in)
Track gaugeStandard/XL 1880 mm (74 in); XW approximately 2032 mm (80 in); LGP 2225-2286 mm (88-90 in), figure varies by production year and source
Length of track on groundStandard 2664 mm (8 ft 9 in); XL 2871 mm (9 ft 5 in); LGP 3275 mm (10 ft 9 in)
Track pitch / grouser heightTrack pitch 203 mm (8.0 in); grouser height 65 mm (2.6 in)
Standard shoe widthStandard/XL 560 mm (22 in); XW 762 mm (30 in); LGP 915 mm (36 in) non-VPAT or 810 mm (32 in) offset on VPAT-equipped LGP
Track shoes per sideShoe count is lowest on Standard and increases through XL/XW to LGP, tracking the longer ground-contact length of the wider undercarriages.
Track rollers per sideRoller count is lowest on Standard and increases through XL/XW to LGP, matching the longer track-on-ground length of the wider undercarriages.
Drawbar heightApproximately 576 mm (22.7 in) center of clevis from ground face of shoe on Standard/XL; up to about 626 mm (2 ft 1 in) on some LGP documentation

Performance

Travel speed, forward1st 3.8 km/h (2.3 mph); 2nd 6.6 km/h (4.1 mph); 3rd 11.5 km/h (7.1 mph)
Travel speed, reverse1st 4.8 km/h (3.0 mph); 2nd 8.4 km/h (5.2 mph); 3rd 14.6 km/h (9.1 mph)
TransmissionPlanetary powershift, 3 speeds forward and 3 reverse, large-diameter oil-cooled clutches; single-stage torque divider splits engine torque roughly 70 percent through a converter and 30 percent through a direct drive shaft; differential steering with single tiller-bar control
Ground pressure, standard trackStandard 0.614 kg/cm2 (8.74 psi); XL 0.623 kg/cm2 (8.90 psi); XW approximately 0.45-0.49 kg/cm2 (6.5-7.0 psi); LGP 0.362 kg/cm2 (5.15 psi)
Ground contact area, standard trackStandard 2.98 m2 (4,620 in2); XL 3.22 m2 (4,972 in2); LGP 5.99 m2 (9,288 in2)
Drawbar pullPublished as a drawbar-pull-versus-speed curve rather than a single number; peak pull occurs in 1st gear near zero travel speed, running roughly 320-355 kN (72,000-80,000 lbf) depending on configuration (XL/LGP slightly higher than Standard), and falls off sharply as gear and travel speed increase
GradeabilityNot published as a discrete figure on the factory specification sheet for this model; consult your Cat dealer for application-specific slope limits
Hydraulic pump outputApproximately 214-217 L/min (56.5-57.3 gal/min) at 2,125 rpm and 6900 kPa (1,001 psi)
Hydraulic circuit flowsLift cylinder 190 L/min (50.2 gal/min); tilt cylinder 80 L/min (21.1 gal/min); ripper cylinder 160 L/min (42.3 gal/min)
Hydraulic pressuresMain relief valve setting 42,000 kPa (6,092 psi); dozer lift/tilt and ripper lift/pitch circuits 19,300 kPa (2,799 psi) maximum; steering circuit 40,000 kPa (5,802 psi) maximum

Blades

S (straight) blade, StandardCapacity 3.89 m3 (5.09 yd3); width 3360 mm (11 ft 0 in); height 1257 mm (50 in)
S blade, LGPCapacity 3.75 m3 (4.90 yd3); width 4063 mm (13 ft 4 in); height 1101 mm (44 in)
SU (semi-universal) blade, Standard/XLCapacity 5.61 m3 (7.34 yd3); width 3260 mm (10 ft 8 in); height 1412 mm (56 in)
A (angle) blade, Standard/XLCapacity 3.93 m3 (5.14 yd3); width 4166 mm (13 ft 8 in); height 1155 mm (45 in); angle blades use tilt cylinders mounted on outside push arms, manual angle change and hydraulic tilt
VPAT blade, XL/XW/LGP optionCapacity approximately 4.3-5.1 m3 (5.6-6.7 yd3) depending on carrier configuration; width approximately 3880-4160 mm (12 ft 9 in to 13 ft 8 in); allows simultaneous hydraulic lift, angle and tilt adjustment plus manual pitch adjustment; needs a rear counterweight or rear attachment for balance
Blade constructionBox-section moldboard in Cat DH-2 steel for high tensile strength; bolt-on hardened cutting edges and end bits

Service capacities summary

Fuel tank424 L (112 gal)
Cooling system76.8 L (20.3 gal)
Engine crankcase (oil)28 L (7.4 gal)
Power train (transmission and torque divider)145.7 L (38.5 gal)
Final drive, each side13.6 L (3.6 gal)
Roller frame, each side24.6 L (6.5 gal)
Pivot shaft compartmentApproximately 5 L (1.3 gal)
Hydraulic tank51.5 L (13.6 gal)
Fluid typesCat DEO diesel engine oil for the engine; Cat TDTO transmission/drive train oil for the power train, final drives and roller frames; Cat HYDO or equivalent for the hydraulic system; Cat ELC extended-life coolant for the cooling system

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

D6R II fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)28 L (7.4 US gal)Cat DEO or DEO-ULS diesel engine oil meeting Cat ECF-1 (commercial API CJ-4/CI-4 diesel oil is an acceptable second choice). SAE 15W-40 for ambient temperatures above roughly 0°C (32°F); SAE 10W-30 general-purpose across about -18°C to 40°C (0°F to 104°F); SAE 5W-40 down to about -30°C (-22°F); SAE 0W-40/0W-30/0W-20 multigrade for -30°C to -40°C (-22°F to -40°F) arctic service. Figures apply to the C9-engined D6R Series II line; earlier pre-ACERT and later ACERT-updated sub-variants of this generation share the same crankcase fill.
Cooling system76.8 L (20.3 US gal)Cat Extended Life Coolant (ELC), premixed 50/50 water-glycol. Factory fill protects to about -29°C (-20°F) minimum; concentration can be raised to roughly -37°C (-34°F) at 50 percent ethylene glycol, or about -51°C (-60°F) at 60 percent, for colder regions. The air-to-air aftercooled engine needs a minimum of 30 percent glycol to prevent water pump cavitation.
Fuel tank424 L (112 US gal) per factory spec sheet; some documentation lists a smaller figure near 382 L (101 US gal) — varies by configuration/sourceNo. 2-D diesel for normal service; No. 1-D or a winter-blended diesel in cold climates to control cloud-point/wax plugging. Fill the tank at the end of each shift in cold weather to limit condensation.
Transmission / power train (powershift transmission, bevel gear, and steering-clutch compartments)145.7 L (38.5 US gal) combined — the modular transmission and bevel-gear steering differential share one rear-case sump rather than being filled as separate compartments in the factory literatureCat TDTO (Transmission/Drive Train Oil) meeting Cat TO-4. SAE 10W for cold starts, SAE 30 for general duty, SAE 50 in hot climates; Cat Arctic TDTO (full-synthetic, TO-4) for sustained operation below about -20°C (-4°F).
Final drives (each side)13.6 L (3.6 US gal) per sideCat TDTO, same specification as the power train fill. Straight gear oils such as 80W-90 are not suitable — they attack the duo-cone seals over time.
Hydraulic system / tank51.5 L (13.6 US gal) per factory spec sheet; some documentation lists a smaller figure near 47.3 L (12.5 US gal) — varies by configuration/sourceAny oil carrying a minimum 900 ppm zinc additive qualifies — Cat HYDO Advanced (SAE 10W for general use, SAE 30 in hot climates) or Cat TDTO are both listed as acceptable. Condition hoses before sustained operation below -40°C (-40°F) using an oil rated to about a -54°C (-65°F) pour point.
Pivot shaft compartment5 L (1.3 US gal)Cat TDTO, matching the power train and final drive fill.
Grease points (equalizer-bar center pin and other track/pin fittings)Not a bulk-fill compartment — serviced by grease gun at individual fittings, including a remote lube point in the engine compartment for the equalizer-bar center pinNLGI 2 Cat multipurpose grease for normal climates; an NLGI 0/1 low-temperature (arctic-grade) grease below about -20°C (-4°F); a high-temperature/desert-rated grease for sustained heat.

Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.

Caterpillar D6R II maintenance schedule

Service intervalTasks
Every 50 h
  • Check engine oil level, coolant level, and fuel tank water/sediment before starting each shift.
  • Walk around the machine and check for leaks, loose bolts, damaged hoses, and worn or frayed wiring.
  • Check track sag and undercarriage condition; inspect rollers, idlers, and shoes for wear or damage.
  • Test the back-up alarm, lights, gauges, and seat belt condition before operating.
  • Clean the radiator core and screens, and service the engine air intake pre-cleaner in dusty conditions.
  • Grease blade lift-cylinder, C-frame, and equalizer-bar pivot points on the weekly round.
Every 250 h
  • Change engine oil and replace the engine oil filter, or follow S.O.S sample guidance.
  • Replace the primary and secondary fuel filters and inspect fuel lines for chafing.
  • Check differential-steering (or steering-clutch/brake) hydraulic oil level and inspect for leaks.
  • Check battery electrolyte level, clean terminals, and check alternator and fan belt tension.
  • Inspect ROPS/cab mounting bolts and seat mounting for tightness.
  • Grease track-adjuster and recoil-spring group fittings.
Every 500 h
  • Take engine, power-train, and hydraulic oil samples for S.O.S analysis.
  • Check power-train (transmission/torque-divider) oil level and inspect the housing for leaks.
  • Inspect turbocharger mounting and air intake/exhaust piping for leaks or cracks.
  • Check track shoe bolt torque and undercarriage wear indicators.
  • Clean or replace the cab air filter and check HVAC operation.
Every 1,000 h
  • Change the power-train and hydraulic oil filters; check the elements for metal.
  • Check final-drive oil level in each final drive housing and the pivot shaft compartment.
  • Inspect and clean the crankcase breather.
  • Check engine mounting isolators and cooling system hoses and clamps for condition.
  • Inspect steering clutch/brake linkage or differential-steering control components and adjust as needed.
Every 2,000 h
  • Change power-train (transmission/torque-divider) and final-drive oil; replace related filters.
  • Check and adjust engine valve lash on the C9.
  • Inspect the oil cooler core and hydraulic-pump compensator/relief settings.
  • Inspect and test the alternator, starter motor, and charging system output.
  • Inspect the track-adjuster/recoil-spring group and idler/roller seals; rebuild as wear dictates.
Every 6,000 h
  • Add Cat Extender to the extended-life coolant system and take a coolant S.O.S sample.
  • Inspect the turbocharger and aftercooler core for internal wear or fouling.
  • Evaluate HEUI actuation-pump and injector performance against baseline oil-sample and fault-code data.
  • Inspect the powershift transmission clutch packs and bevel-gear steering differential condition.
Every 12,000 h
  • Drain and refill the extended-life coolant system, or at the six-year mark, whichever comes first.
  • Evaluate the undercarriage for a full rebuild: chain, rollers, idlers, sprockets, and track shoes.
  • Evaluate the engine for a top-end or inframe overhaul based on hour accumulation and oil-sample trends.
  • Evaluate the power train (transmission, torque divider, final drives) for major component rebuild.

Servicing the D6R II beyond the schedule

Predictive Maintenance & Fluid Analysis

Schedule S.O.S sampling on engine, power-train, and hydraulic oil, since the C9's HEUI injection and actuation pump are sensitive to fuel and oil cleanliness, and worn clutch packs often show up in oil condition first. Watch the digital message center for transmission speed-sensor and steering-solenoid codes; most trace to a loose or corroded connector near the gauge cluster or transmission housing, not a failed sensor. On differential-steering units, watch hydraulic temperature and pump behavior, since blade and steering circuits share one supply.

Corrective & Common Repairs

Slipping or delayed gear engagement is the top drivetrain complaint: check transmission oil condition, clutch-pack wear, and control-valve solenoids before assuming a hard failure. Loss of first gear often traces to control linkage or harness damage at the rear of the transmission housing. Hydraulic overheating on some units points to a dirty cooler or piston-pump compensator setting rather than pump wear; worsening blade or ripper drift usually means cylinder rod seal wear. On differential-steering machines, chafed harness or a shorted steering-brake solenoid can trip a steering fault code.

Overhaul & Rebuild Points

Undercarriage rebuild timing depends on duty cycle more than hours: watch sprocket-tooth wear, flat-spotted rollers and idlers, and link/bushing pitch, and keep track tension in spec to slow wear. Power-train overhauls typically address the powershift clutch packs, torque divider, and bevel-gear steering differential together, since they share one rear-case sump. Engine rebuilds on the C9 should include the HEUI actuation pump and injectors alongside cylinder liners, pistons, and the turbocharger, since fuel-system wear tracks with overall hours. Check final-drive seals and the equalizer-bar pivot area for leaks at teardown.

Seasonal & Environment Servicing

Cold climates need the correct engine-oil and TDTO viscosity grade, ELC coolant strength set for expected low, and low-temperature grease at track and pivot points; fill the fuel tank each shift to limit condensation. Hot or dusty sites need more frequent radiator core and pre-cleaner service to protect the air-to-air aftercooled engine, plus closer hydraulic-cooler cleaning on units that already run warm. Forestry or landfill/waste configurations add belly and undercarriage guarding plus a screened high-flow cooling package for debris-heavy work; check guard seals and cooling-package access panels for clogging.

D6R II common service parts

Part numberPart
6T-0988Filter Element-Cab AirCheck fitment →
231-3781Filter Element-Cab AirCheck fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

D6R II fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
030-0096-03Monitoring system reports fuel level sender signal voltage above the normal range.Open circuit or short to power in the fuel level sender wiring, or a failed sender unit.Inspect the fuel gauge sender connector and wiring for corrosion or chafing before replacing the sender.
113-0168-04Transmission control reports system (battery) voltage below the normal range; the same voltage circuit is also seen flagged as FMI 03 (voltage above normal) under the monitoring module.Weak or discharged battery, loose or corroded battery cable, or a failing alternator/voltage regulator; an above-normal reading points instead to an overcharging regulator or bad ground.Load-test the battery, clean and tighten cable connections, then check charging voltage at the alternator output before replacing the regulator.
036-0110-00Engine control module reports coolant temperature above the normal operating range.Low coolant level, a plugged or dirty radiator core, a failing water pump, or a stuck thermostat.Check coolant level and radiator fin condition first, then confirm fan and thermostat operation before condemning the coolant temperature sensor.
036-0100-01Engine control module reports oil pressure below the normal operating range for current engine speed.Low oil level, a plugged oil filter, a worn oil pump, or a failing pressure sensor/circuit.Shut the engine down, check oil level and filter condition, and verify actual pressure with a mechanical gauge before trusting the sensor reading.
CID 0689 FMI 06Steering/transmission control reports current above normal (short to ground) in the left steering brake solenoid circuit.Chafed or pinched harness wiring, a water-intruded connector, or a shorted solenoid coil - most relevant on differential-steering-equipped machines.Inspect the solenoid connector and harness routing for damage, then check solenoid coil resistance before replacing the solenoid.
113-0299-13Transmission control reports the direction lever position sensor is out of calibration.Calibration lost after a battery disconnect, an ECM replacement, or a linkage adjustment.Run the transmission direction/speed lever calibration procedure with the factory diagnostic tool before replacing the sensor.
030-0248-02Monitoring system reports the Cat Data Link signal as erratic or intermittent.A loose or corroded data link connector, chafed harness between control modules, or a marginal module ground.Inspect data link wiring and connectors between modules for damage or corrosion before replacing any control module.
030-0070-02Monitoring system reports the parking brake switch signal as erratic or intermittent.A worn or misadjusted parking brake switch, or a chafed wire at the switch connector.Check switch adjustment and connector condition; clean the contacts or replace the switch if it will not give a clean, repeatable signal.

Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.

D6R II attachments & work tools

Blades

Standard S (straight) blade runs about 3360 mm (132 in) wide with roughly 3.89 m³ (5.09 yd³) capacity, used on base/production-dozing configs. SU (semi-U) blade is the high-capacity option at about 4063 mm (160 in) wide and 5.61 m³ (7.34 yd³), best suited to loose-to-medium material push jobs. A (angle) blade is about 4166 mm (164 in) wide with roughly 3.93 m³ (5.14 yd³) capacity and lets the moldboard angle for side-casting and road work but does not tilt. A hydraulic six-way power-angle-tilt blade (Cat literature calls it PAT; many dealer and aftermarket listings for this generation call the same unit VPAT) is offered on XL, XW and LGP undercarriage configurations for finish grading, spreading, V-ditching and backfill; early-production angle-cylinder geometry on this blade differs from later production, so cylinder mounting can vary by serial range. Exact width/capacity for any blade shifts with undercarriage width (standard vs LGP vs XL) — treat single figures as typical, not universal.

Rippers

Rear ripper is a multi-shank parallelogram design offered in single-shank and multi-shank configurations (curved or straight shank stock) selected to match ground conditions. Single-shank setup gives maximum penetration for hard/rocky material; adding shanks trades penetration depth for wider coverage per pass in lighter or pre-loosened material. Base single-shank ripper weight runs in the neighborhood of 1,600-1,700 kg (3,600 lb class), with each added shank adding weight (roughly 70-165 lb depending on shank/tip style) — figures vary by source, so confirm on the specific machine. Reported penetration depth and ripper-raised ground clearance are both close to 500 mm (about 19-20 in) on this frame size.

Winches

The common power-shift winch fitted to this class (shared with the D6T) is electronically controlled from an in-cab handle/joystick and rated in the 60,000 lb line-pull class; it bolts on at the same rear frame/drawbar attachment points used by the ripper mount. Allied-brand aftermarket winches are also sold to fit this machine size. Because the winch shares the rear mounting bosses with the drawbar and ripper support, it is effectively a mutually-exclusive rear attachment choice rather than something run alongside a full ripper.

Drawbars/counterweights

A bolt-on rear drawbar is used for towing/recovery duty when neither a ripper nor a winch is mounted on the back of the machine. A rear counterweight (on the order of 780 kg / 1,720 lb, with additional slab weights of roughly 340 kg / 750 lb each) is recommended whenever no other rear attachment is fitted, to rebalance the tractor for reverse travel on grade and for heavy-dozing stability, especially with the higher-capacity SU or six-way blade up front.

Cab/ROPS guarding for forestry/waste configs

Base machine uses an integrated ROPS/FOPS operator cab. A forestry/waste-handler arrangement adds belly and undercarriage guarding, striker bars and seals against impact and wrapping debris, plus a screened, high-flow cooling package sized for debris-heavy sites with quick-release access for cleanout. The landfill/waste version relocates the air-conditioning condenser and its fans up onto the ROPS structure, away from the engine bay, so airborne debris does not load up the radiator core; hydraulic lines and crankcase components get added guarding as well.

Hydraulic arrangement notes

Blade and ripper circuits use pilot-operated, load-sensing hydraulics: pump output is matched to actual implement demand via a feedback loop from the control valve, which keeps hydraulic draw from eating into available drawbar power. Blade control is single-lever/joystick; with the six-way PAT blade fitted, one thumb rocker adds simultaneous angle control on top of lift and tilt. The rear ripper runs its own parallelogram lift/tip circuit independent of the front blade circuit, so front and rear tools are controlled and metered separately even though both draw from the same main pump.

All D6R II assemblies by section

Every catalogued assembly group for the Caterpillar D6R II. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
205-7764 Precleaner Ar -Turbine
10***22Core As-Radiator; (Long)6
20***64Precleaner Ar; -Turbine1
22***18Core As-Radiator; -6 Row6
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205-7765 Precleaner Ar -Turbine
16***44Pipe-Exhaust1
20***62Precleaner Group; -Without Screen1
20***65Precleaner Ar; -Turbine1
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217-0020 Precleaner Ar
16***44Pipe-Exhaust1
20***63Precleaner Group1
20***39Kit-Precleaner; -Turbine Precleaner1
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205-7763 Precleaner Gp
13***80Precleaner As; (Air)1
17***15Clamp1
20***63Precleaner Group1
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237-9251 Precleaner Gp -With Prescreen
13***80Precleaner As; (Air)1
17***15Clamp1
23***51Precleaner Group; -With Prescreen1
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217-0021 Precleaner Gp
13***80Precleaner As; (Air)1
14***69Screw-Self-Tapping; (No 10x19.05-mm)6
15***77Kit-Screen; (Includes Prescreen, Damper, Tube, Clamp And Screws)1
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237-9250 Precleaner Gp -Without Prescreen
1W***20Valve As-Check; (Exhaust)1
20***05Hose1
20***81Body As; (Precleaner)1
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205-7762 Precleaner Gp -Without Screen
1W***20Valve As-Check; (Exhaust)1
20***05Hose1
20***62Precleaner Group; -Without Screen1
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229-3166 Shield Gp-Heat
11***73Ejector As1
16***44Pipe-Exhaust1
16***87Shield Group-Exhaust1
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212-4937 Shield Gp-Heat -Exhaust Manifold, Elbow, Turbocharger
13***80Precleaner As; (Air)1
14***69Screw-Self-Tapping; (No 10x19.05-mm)6
15***77Kit-Screen; (Includes Prescreen, Damper, Tube, Clamp And Screws)1
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Basic Engine
206-3673 Pulley Gp-Fan & Alt Drive -Engine
13***16V-Belt Set; (Includes 2-Belts)(Includes 2 Belts)1
18***38Rod-Adjusting1
1L***45Spacer1
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Cooling System
222-3892 Cooling Ar-High Ambient Temp
10***89Cover-Top1
10***11Tee-O-Ring Port1
11***18Cap-Dust1
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217-9639 Core As-Radiator -6 Row
163-4063 Core As-Radiator -6 Row
227-8918 Core As-Radiator -6 Row
163-4061 Core As-Radiator -6 Row
16***61Core As-Radiator; -6 Row1
16***83Pulley Group-Fan & Alt Drive1
20***73Pulley Group-Fan & Alt Drive; -Engine1
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206-3676 Fan Ar-Ejector
237-0130 Fan Ar-Reversible -Flexaire
09***49Bolt; (M8x1.25x40-mm)6
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
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197-3570 Fan Ar-Reversible -Flexaire
18***95Baffle As-Radiator; (Lh)1
18***96Baffle As-Radiator; (Rh)1
19***70Fan Ar-Reversible; -Flexaire1
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206-5578 Fan Ar-Reversible -Flexaire-Capped
09***49Bolt; (M8x1.25x40-mm)6
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
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217-0000 Radiator Ar
10***22Core As-Radiator; (Long)6
16***61Core As-Radiator; -6 Row6
21***00Radiator Ar1
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217-0012 Radiator Ar
10***22Core As-Radiator; (Long)1
21***12Radiator Ar1
21***39Core As-Radiator; -6 Row6
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222-3223 Radiator Ar
10***22Core As-Radiator; (Long)6
16***63Core As-Radiator; -6 Row6
22***23Radiator Ar1
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206-3682 Radiator Ar
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
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Electrical And Starting System
197-8820 Alternator Gp-Charging
12***63Adapter Group-Fast Fill Fuel; (Auto Shutoff)1
19***98Elbow1
19***20Alternator Group-Charging; -24-Volt, 95-Ampere1
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252-9661 Alternator Gp-Charging
16***98Cap-Rain1
16***73Alternator Group-Charging1
18***98Bracket Assem.1
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204-7449 Alternator Gp-Charging -Debris Resistant
10***31Fan-Alternator; (11-Blade)1
13***25Rectifier As-Alternator1
18***40Guard1
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204-9375 Alternator Gp-Charging
10***31Fan-Alternator; (11-Blade)1
18***40Guard1
18***34Nut-Flange; (5/8-18-Thd)1
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306-2174 Alternator Gp-Charging
03***07Terminal-Ring; (0-Ga, 3/8-In Screw)1
17***94Ring-Terminal2
1P***10Tape (Order By The Meter) (Use As0
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215-5568 Alternator Gp-Charging
16***73Alternator Group-Charging1
19***23Boss As1
19***69Adapter1
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243-5132 Alternator Gp-Charging
04***65Screw 19.05 mm(.750 In.) Long1
19***71Guard1
24***32Alternator Group-Charging1
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253-6135 Box Gp-Junction
04***65Screw 19.05 mm(.750 In.) Long1
19***71Guard1
25***35Box Group-Junction; -Grade Control1
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240-2014 Grade Control Ar -Accugrade
06***09Screw; (8-32x0.75-In)6
12***02Switch Group-Magnetic; -Starting Motor, Start Relay1
12***75Tube-Heat Shrink; (7.44-mm Dia)(560-cm)0
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3e-6389 Lamp Gp-Dome -With Switch
23***41Wiring Group-Grade Control; -Laser1
23***19Mounting Group-Grade Control1
24***63Mounting Group-Connector1
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250-8545 Lighting Gp-Warning Beacon
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
18***35Pin-Connector; (16-Ga To 18-Ga)3
25***45Lighting Group-Warning Beacon1
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240-3463 Mounting Gp-Connector
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
13***00Clip; (Tab)1
13***65Washer; (13.8x45x3-mm Thk)4
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239-5110 Mounting Gp-Grade Control
09***24Plug-Button3
11***25Holder-Cup1
15***29Tray Assem. -Ash1
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239-5119 Mounting Gp-Grade Control
09***24Plug-Button3
11***25Holder-Cup1
15***29Tray Assem. -Ash1
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214-4862 Sensor Gp-Position
21***62Sensor Group-Position; -Control Lever1
23***30Mounting Group-Monitor1
23***40Mounting Group-Antenna; -Grade Control1
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224-4535 Sensor Gp-Pressure
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
18***35Pin-Connector; (16-Ga To 18-Ga)3
22***35Sensor Group-Pressure1
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254-8046 Switch Gp-Disconnect -Auxiliary
15***60Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness)1
15***76Wedge-Plug Lock; (3-Pin)1
19***26Harness As-Sensor; (16-18 Ga Wire)(Engine Oil Temperature)3
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125-1302 Switch Gp-Magnetic
09***72Grommet1
12***02Switch Group-Magnetic; -Starting Motor, Start Relay1
15***56Platform Group; -Open Rops1
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241-8368 Switch Gp-Magnetic -Main Relay
01***80Lockwasher2
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
18***35Pin-Connector; (16-Ga To 18-Ga)2
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215-1362 Wiring Gp-Box
15***70Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness)1
18***36Socket-Connector; (16-Ga To 18-Ga)2
21***62Wiring Group-Box1
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236-5041 Wiring Gp-Grade Control
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)2
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
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194-4269 Wiring Gp-Throttle -Enclosed Rops
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)2
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
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Frame And Body
3w-6866 Drawbar Gp
24***99Fender As; (Rh)1
3W***66Drawbar Group; Drawbar Group1
6J***88Capscrew, Button Head (3/8 Nc X 7/8)11
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3w-1356 Guard Gp-Transmission
3W***56Guard Group-Transmission; (Includes Items 15a, B & C)1
6H***56Roll Pin--Lever To Compression Release Control Shaft1
7X***66Spring-Latch1
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150-2983 Bar Ar-Striker
15***83Bar Ar-Striker1
17***46Segment-Sprocket5
2S***58Washer-Hard; (17x29x3-mm Thk)(Engine Brake)25
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192-7921 Bar Ar-Striker
14***43Plate As1
14***46Plate As1
14***48Plate As1
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214-6659 Bar Ar-Striker
19***52Plate As1
19***54Plate As1
19***13Plate As1
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200-7020 Bar As-Striker -Low Ground Pressure
19***13Block1
19***14Plate As1
19***16Plate As1
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201-2555 Bar Gp-Striker
15***89Plate As1
15***90Plate As1
15***81Plate As1
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155-4054 Bar Gp-Striker
15***54Bar Group-Striker1
1Q***04Block4
1Q***05Plate4
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1z-0982 Bar Gp-Striker -Rear
19***49Hinge1
19***07Plate1
19***58Plate2
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1z-0994 Bar Gp-Striker -Low Ground Pressure, Rear
10***83Bar2
1Z***94Bar Group-Striker; -Low Ground Pressure, Rear1
28***07Block4
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248-0049 Bracket Gp-Support
19***58Plate2
1L***18Spring-Shut-Off2
1P***41Spacer; (0.531x1x0.69-In Thk)2
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248-0050 Bracket Gp-Support
11***03Bar2
12***65Bar2
24***50Bracket Group-Support1
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128-7273 Case & Frame As -Waste Handling
10***86Valve As-Drain; (Ecology)1
10***87Plug-Drain; (Power Train Oil Tank)1
12***73Case & Frame As; -Waste Handling1
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204-7371 Case & Frame Gp
11***91Plate2
11***92Plate2
11***93Plate2
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1q-4324 Counterweight Gp
11***95Plate1
1Q***24Counterweight Group1
8T***94Washer; (3/4 Hardened) (Current Adapters)4
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117-9058 Counterweight Gp
11***58Counterweight Group1
21***46Plate1
7X***30Bolt-Plt; (1 1/4unc X 5 1/2)8
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210-0347 Counterweight Gp -Striker Bar, Rear
19***12Door Assem.1
21***47Counterweight Group; -Striker Bar, Rear1
3B***05Pin Split Cotter1
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248-3096 Door Gp-Access -Lh
24***96Door Group-Access; -Lh1
3K***89Locknut; (5/8-11-Thd)1
3W***67Drawbar Assem.1
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248-0047 Door Gp-Access
19***12Door Assem.1
24***47Door Group-Access; -Rh1
3B***05Pin Split Cotter1
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248-0048 Door Gp-Access
17***94Hinge1
17***01Plate Assem.; (R.H.)1
17***52Plate Assem.; (R.H.)1
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248-3095 Door Gp-Access
17***02Plate Assem.; (L.H.)1
17***90Support Assem.; (L.H.)1
17***94Hinge1
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249-7000 Fender Gp
10***57Grill Assem.1
20***73Grill As1
24***00Fender Group1
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204-7375 Grill Gp-Radiator
18***02Drive Group-Final2
20***75Grill Group-Radiator1
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194-4409 Guard Ar-Final Drive
17***04Guard Assem.; (R.H.)1
17***94Hinge1
17***62Cover1
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138-1855 Guard Ar-Final Drive
13***55Guard Ar-Final Drive1
18***11Drive Group-Final2
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138-1849 Guard Ar-Final Drive
13***49Guard Ar-Final Drive1
18***16Drive Group-Final2
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254-3746 Guard Gp
15***77Plate4
15***63Guard Group-Bottom; -Custom1
20***59Guard As-Bottom1
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248-3097 Guard Gp
17***06Guard Assem.; (L.H.)1
17***94Hinge1
19***83Spacer; (8.7x23.5x14.2-mm Thk)2
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226-4177 Guard Gp-Bottom
18***78Guard4
18***40Cover4
18***35Bolt; (7/8-9x5.75-In)16
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179-4418 Guard Gp-Bottom
17***18Guard Group-Bottom1
20***87Cover As1
23***47Guard Assem.1
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190-8431 Guard Gp-Final Drive
18***49Guard4
18***40Cover4
18***35Bolt; (7/8-9x5.75-In)16
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217-3205 Guard Gp-Final Drive -Low Ground Pressure
18***49Guard4
18***40Cover4
18***35Bolt; (7/8-9x5.75-In)16
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217-3206 Guard Gp-Final Drive -Low Ground Pressure
11***07Guard Assem.1
19***12Bracket As1
19***14Guard As1
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217-3201 Guard Gp-Final Drive
18***47Guard4
18***40Cover4
18***35Bolt; (7/8-9x5.75-In)16
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190-8434 Guard Gp-Final Drive -Low Ground Pressure
18***78Guard4
18***40Cover4
18***35Bolt; (7/8-9x5.75-In)16
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190-8365 Guard Gp-Final Drive
18***47Guard4
18***40Cover4
18***35Bolt; (7/8-9x5.75-In)16
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194-6824 Guard Gp-Fuel Tank
12***82Film-Stripe; (Rh)(Fuel Tank Guard, Rh)1
13***37Film-Stripe; (Fuel Tank Guard, Lh)(Lh Side)(Fuel Tank Guard)1
13***38Film-Stripe; (Fuel Tank Guard, Rh)(Rh Side)(Fuel Tank Guard)1
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229-2942 Guard Gp-Fuel Tank -With Ripper
11***07Guard Assem.1
20***24Bar2
22***07Plate As1
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222-0414 Guard Gp-Fuel Tank -Without Ripper
11***09Guard Assem.1
20***24Bar2
22***07Plate As1
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250-1139 Guard Gp-Fuel Tank
19***77Guard Assem.1
25***39Guard Group-Fuel Tank1
3V***44Washer 5 mm(.197 In.) Thick4
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222-0413 Guard Gp-Fuel Tank -With Ripper
10***61Plate1
12***80Film-Stripe; (Caterpillar, Rear)1
12***82Film-Stripe; (Rh)(Fuel Tank Guard, Rh)1
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250-1138 Guard Gp-Fuel Tank
10***61Plate1
12***80Film-Stripe; (Caterpillar, Rear)1
12***82Film-Stripe; (Rh)(Fuel Tank Guard, Rh)1
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229-3167 Guard Gp-Fuel Tank -Without Ripper
22***67Guard Group-Fuel Tank; -Without Ripper1
23***92Guard As1
23***99Guard As1
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217-0064 Guard Gp-Radiator
1F***48Nut 12.70 mm(.50 In.) Thread1
1K***50Spring1
21***64Guard Group-Radiator1
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217-0063 Guard Gp-Radiator
10***73Plate As2
10***57Grill Assem.1
16***75Guard Group-Radiator1
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204-7372 Guard Gp-Radiator
10***73Plate As2
10***57Grill Assem.1
16***75Guard Group-Radiator1
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189-6536 Guard Gp-Radiator -Bottom
18***36Guard Group-Radiator1
20***82Guard As1
25***06Bearing-Sleeve4
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250-8487 Guard Gp-Rear
25***87Guard Group-Rear1
3W***57Guard Assem.1
7X***02Bolt-Plt; (1unc X 2)4
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8y-6400 Latch Gp
12***81Seal; (103.5-cm Each)0
13***02Seal; (23-cm Each)0
5P***11Seal 1.30 M (56.68 In.)0
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205-8256 Seal Gp-Hood
10***43Seal; (32-cm Each)0
11***36Seal; (124.5-cm Each)0
12***81Seal; (103.5-cm Each)0
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234-6864 Seal Gp-Waste Handling
10***43Seal; (32-cm Each)0
11***36Seal; (124.5-cm Each)0
12***81Seal; (103.5-cm Each)0
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Fuel System
249-7004 Tank Gp-Fuel -Fast Fill
13***89Clip; (Ladder)1
21***34Shield; (Turbocharger)1
21***36Shield; (Manifold)(Left)1
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Hydraulic System
9t-2716 Cylinder Gp-Ripper
16***40Bushing1
16***01Seal As-Buffer1
16***12Seal-U-Cup1
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9t-6095 Cylinder Gp-Tilt
16***40Bushing1
16***01Seal As-Buffer1
16***12Seal-U-Cup1
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267-6482 Cylinder Gp-Tilt
09***62Washer; (Hard) (3.4x7x0.8mm Thk)4
10***21Spacer; (10.5x25x25-mm Thk)2
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
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166-9437 Cylinder Gp-Tilt
14***27Connector Group2
14***40Adapter; (Straight) (-8 Orb X -8 Orfs)4
14***72Elbow Group6
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240-5898 Cylinder Gp-Tilt
21***84Hose As2
21***85Hose As2
24***98Cylinder Group-Tilt1
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166-2582 Cylinder Gp-Tilt
16***15Control Group-Handle; -Bulldozer Control1
16***82Cylinder Group-Tilt; -Semi-Universal Bulldozer1
16***71Mounting Group-Control Valve; -Implement Control1
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9w-1018 Lines Gp-Ripper
10***36Clip1
14***47Elbow; (-12 Orb/Orfs)1
14***54Elbow; (45) (-8/-8 Orb/Orfs)2
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238-9559 Mounting Gp-Cylinder
17***33Tube Assem.1
1P***04Seal - Rectangular (45mm Dia)2
1P***77Flange-Half (For Tilt Ports On Valve)2
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3g-9451 Mounting Gp-Cylinder
14***59Plug9
20***50Valve Group-Solenoid; -Parking Brake1
23***24Manifold As1
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179-9387 Accumulator Gp-Pilot Oil -Uncharged
12***31Cylinder Group-Bulldozer Lift; -Bulldozer1
12***69Hose Assem.1
12***70Hose Assem.1
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200-0750 Accumulator Gp-Pilot Oil -Charged
12***31Cylinder Group-Bulldozer Lift; -Bulldozer1
12***71Hose Assem.1
12***72Hose Assem.1
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241-0002 Control Ar-Hydraulic -Accugrade
12***31Cylinder Group-Bulldozer Lift; -Bulldozer1
12***17Guard Assem.1
14***91Elbow Assem.1
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273-7574 Cooler Ar-Hydraulic Oil
12***31Cylinder Group-Bulldozer Lift; -Bulldozer1
12***17Guard Assem.1
14***91Elbow Assem.1
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215-9278 Cylinder & Lines Gp-Lift -Lh
0S***27Bolt -114.30 mm(4.50 In.) Long4
11***04Rod Assem.1
12***32Cylinder Assem.1
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126-8464 Cylinder & Lines Gp-Lift -Rh
12***64Cylinder & Lines Group-Lift; -Rh-Bulldozer1
16***40Bushing1
16***01Seal As-Buffer1
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215-9277 Cylinder & Lines Gp-Lift -Rh
16***40Bushing1
16***01Seal As-Buffer1
16***12Seal-U-Cup1
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126-8465 Cylinder & Lines Gp-Lift -Lh
12***65Cylinder & Lines Group-Lift; -Lh-Bulldozer1
16***40Bushing1
16***01Seal As-Buffer1
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203-0820 Cylinder Gp-Angling
16***01Seal As-Buffer1
16***12Seal-U-Cup1
1D***28Bolt 8.26 cm(3.25 In.) Long4
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240-5895 Cylinder Gp-Angling
11***70Piston As1
13***49Washer; (44x84x6.35-mm Thk)2
16***01Seal As-Buffer1
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267-6480 Cylinder Gp-Angling
16***83Cylinder Assem.1
16***84Cap As1
16***85Cap1
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127-8931 Cylinder Gp-Bulldozer Lift
12***31Cylinder Group-Bulldozer Lift; -Bulldozer1
16***40Bushing1
16***01Seal As-Buffer1
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250-8486 Hydraulic Ar
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
12***74Clip-Loop; (12.7mm Id)1
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235-4808 Lines Gp-Angling Cylinder
14***61Elbow Group4
14***67Elbow Group; (Each Includes)2
14***78Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs)4
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219-0588 Lines Gp-Hydraulic
03***35Bolt-Self Locking; 2.22cm(.875 In.) Lg1
14***53Elbow, 45,-6 Orb To-6 Orfs-Drum Clutch Port1
14***69Adapter; (90° Elbow Orfs/Orb)2
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204-7380 Lines Gp-Pilot
14***81Spacer; (13.5x25x12-mm Thk)4
16***99Hose Assem.1
1P***76Flange-Half (Hose To Pump); Flange-Half (32.54mm Bore)4
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234-5621 Lines Gp-Pilot
1F***48Nut 12.70 mm(.50 In.) Thread2
1P***76Flange-Half (Hose To Pump); Flange-Half (32.54mm Bore)20
23***21Lines Group-Pilot1
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173-7219 Lines Gp-Pilot -Bulldozer, Ripper
11***68Shield2
13***77Shield8
13***92Grommet8
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249-7005 Lines Gp-Rear Attachment
11***71Plate1
14***47Elbow; (-12 Orb/Orfs)1
14***54Elbow; (45) (-8/-8 Orb/Orfs)2
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4z-9225 Lines Gp-Tilt
22***16Hose As2
22***17Hose As2
22***18Hose As1
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204-6596 Lines Gp-Tilt Cylinder
20***96Lines Group-Tilt Cylinder, . Spool1
29***44Yoke2
3B***89Fitting-Grease; (Fan And Alternator Drive)2
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227-0115 Lines Gp-Tilt Cylinder
22***15Lines Group-Tilt Cylinder1
29***44Yoke2
3B***89Fitting-Grease; (Fan And Alternator Drive)2
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4z-9454 Lines Gp-Tilt Cylinder
16***39Manifold-Inlet1
1P***66Split Flange Half, -16 (Cat)2
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve3
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164-8913 Manifold Gp-Valve -Inlet-Implement, Steering
11***27Screw-Machine; (M6x1x30-mm)6
16***03Plate Assem.1
16***13Manifold Group-Valve; -Inlet-Implement, Steering-Steering, Bulldozer, Ripper1
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167-1171 Mounting Gp-Control Valve
00***64Seal-O-Ring2
09***95Pin, Dowel4
13***35Seal-Shaft1
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254-7306 Mounting Gp-Valve -Rear Hydraulic
14***27Connector Group2
14***38Adapter, -6 Orb / Orfs X-Long1
14***47Elbow; (-12 Orb/Orfs)4
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196-2238 Pump Gp-Gear
10***91Valve Group-Control1
15***24Hex Head Plug; (-4sae) (D6r Iii)2
16***40Valve Group-Control; -Dozer Lift-Bulldozer Lift1
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240-3430 Valve & Mtg Gp-Bulldozer -Accugrade
16***54Seal-O-Ring1
24***30Valve & Mtg Group-Bulldozer; -Grade Control1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
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234-5126 Valve & Mtg Gp-Bulldozer -Grade Control
12***31Gasket1
23***26Valve & Mtg Group-Bulldozer; -Grade Control1
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve1
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248-6285 Valve & Mtg Gp-Implement Cont -Rear
1J***71Seal (10.52 Degrees I.D.); Seal-O-Ring -- To Adapter1
24***85Valve & Mtg Group-Implement Cont; -Rear1
2M***80Seal--To Connector Pump Outlet1
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206-7334 Valve Gp-Bank 5 -Steering & Implement-Bulldozer, Ripper, Steering
10***10Valve-Check; (Steering)3
10***11Plug; (5/16-12 Thd)1
10***12Seal2
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9t-5774 Valve Gp-Bypass
10***10Valve-Check; (Steering)2
10***11Plug; (5/16-12 Thd)1
10***12Seal1
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158-9956 Valve Gp-Check -Pilot Oil
10***10Valve-Check; (Steering)2
10***11Plug; (5/16-12 Thd)1
10***12Seal1
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216-9512 Valve Gp-Check & Relief -Line-Bulldozer Tilt-Blade Angle
10***10Valve-Check; (Steering)1
10***11Plug; (5/16-12 Thd)1
12***49Valve Group-Relief; -Pilot Oil Pressure-Ripper Raise, Lower1
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162-8042 Valve Gp-Control -Ripper Lift
14***06Plug As1
15***45Valve Group-Solenoid; -Cooler Flow-Load Sensing Signal Relief-Swing Parking Brake-Travel Parking Brake-Two Speed Travel-Work Tool1
16***42Valve Group-Control; -Ripper Raise, Lower1
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208-1492 Valve Gp-Control -Bulldozer Angle
15***56Valve Group-Check; -Pilot, Differential Lock Oil1
17***57Valve Group-Pressure Reducing; -Implement Pilot Lines1
17***60Valve Group-Relief; -Implement Pilot Lines1
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216-8609 Valve Gp-Control -Bulldozer Tilt
15***56Valve Group-Check; -Pilot, Differential Lock Oil1
17***57Valve Group-Pressure Reducing; -Implement Pilot Lines1
21***09Valve Group-Control; -Bulldozer Tilt1
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107-1191 Valve Gp-Control -Steering
10***10Valve-Check; (Steering)1
10***11Plug; (5/16-12 Thd)1
10***91Valve Group-Control1
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162-8040 Valve Gp-Control -Dozer Lift-Bulldozer Lift
16***40Valve Group-Control; -Dozer Lift-Bulldozer Lift1
23***27Valve Group-Relief; (Grade Control)1
23***28Valve Group-Solenoid; (Counterbalance)2
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239-0681 Valve Gp-Counterbalance -Grade Control
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
13***97Plate1
13***98Retainer1
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180-8569 Valve Gp-Diverter -Implement Pilot Oil
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
13***97Plate1
13***98Retainer1
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162-0162 Valve Gp-Manifold & Reducing
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
13***97Plate1
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240-9655 Valve Gp-Pilot -Bulldozer Control
24***55Valve Group-Pilot; -Bulldozer Control1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain2
4T***42Spring1
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199-4275 Valve Gp-Pilot
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
13***97Plate1
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200-0189 Valve Gp-Pilot -Bulldozer Control
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
13***97Plate1
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206-7333 Valve Gp-Pilot -Bulldozer Control
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
13***97Plate1
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206-7333 Valve Gp-Pilot
20***33Valve Group-Pilot; -Bulldozer Control1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
4K***39Seal-O-Ring1
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194-5032 Valve Gp-Pilot Cartridge -Bulldozer Lift, Lower
09***66Washer; (Hard) (4.5x9x1mm Thk)3
10***57Valve1
19***32Valve Group-Pilot Cartridge; -Bulldozer Lift, Lower1
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194-5033 Valve Gp-Pilot Cartridge -Bulldozer Tilt-Blade Tilt Right, Left
13***45Seal Kit; (Includes Parts Marked J)1
16***49Seal-O-Ring; (12.42mm Id)1
16***61Ring-Backup2
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170-3357 Valve Gp-Pressure Reducing
13***45Seal Kit; (Includes Parts Marked J)1
16***49Seal-O-Ring; (12.42mm Id)1
16***61Ring-Backup2
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225-8026 Valve Gp-Relief
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
12***33Coil As; (24-Volt)1
15***70Nut; (1/2-20-2b-Thd)2
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121-6649 Valve Gp-Relief -Pilot Oil Pressure
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
12***49Valve Group-Relief; -Pilot Oil Pressure-Ripper Raise, Lower1
12***48Kit-Seal; (Solenoid Valve)1
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9t-3541 Valve Gp-Relief -Steering, Implement Manifold
14***03Seal-O-Ring1
14***04Ring-Backup2
14***05Ring-Backup2
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170-3360 Valve Gp-Relief
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
11***43Locknut; (5/16-18-Thd)2
15***43Cartridge As-Valve1
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4t-1860 Valve Gp-Shuttle -Implement, Steering-Ripper Raise, Lower
03***43Seal-O-Ring1
14***28Washer-Spring1
31***29Coil As1
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235-4605 Valve Gp-Solenoid
20***37Blade As-Angling; -Power Angle Tilt, Lgp1
22***19Installation Ar-Bulldozer; -Low Ground Pressure1
23***05Valve Group-Solenoid; -Third Fctn, Continuous Flow1
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152-8345 Valve Gp-Solenoid
12***64Cylinder & Lines Group-Lift; -Rh-Bulldozer1
12***65Cylinder & Lines Group-Lift; -Lh-Bulldozer1
15***45Valve Group-Solenoid; -Cooler Flow-Load Sensing Signal Relief-Swing Parking Brake-Travel Parking Brake-Two Speed Travel-Work Tool1
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3e-9205 Valve Gp-Solenoid
16***06Cap-Bearing2
1K***55Bar12
1U***76Pin2
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201-0950 Valve Gp-Solenoid
20***50Valve Group-Solenoid; -Parking Brake1
4Z***12Trunnion Group-Bulldozer; -Semi-Universal1
4Z***31Blade Group-Angling1
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Implements
4z-9453 Brace Gp-Bulldozer
20***31Blade As-Angling; -Power Angle Tilt1
22***18Installation Ar-Bulldozer1
4Z***53Brace Group-Bulldozer1
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4z-0651 Bulldozer Ar-Angling -Extra Long, Extra Wide
20***37Blade As-Angling; -Power Angle Tilt, Lgp1
22***18Installation Ar-Bulldozer1
4Z***51Bulldozer Ar-Angling; -Extra Long, Extra Wide1
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4z-0647 Bulldozer Ar-Angling -Extra Long, Extra Wide
20***68Blade As-Angling; -Power Angle Tilt, Lgp1
22***18Installation Ar-Bulldozer1
4Z***47Bulldozer Ar-Angling; -Extra Long, Extra Wide1
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233-6736 Bulldozer Ar-Pwr Angle & Tilt -Low Ground Pressure
23***36Bulldozer Ar-Pwr Angle & Tilt; -Low Ground Pressure1
4Z***29Blade & Edge Group-Semi-Universal1
4Z***68Blade & Edge Group-Semi-Universal; -Extra Long, Landfill1
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228-7921 Bulldozer Ar-Pwr Angle & Tilt
22***21Bulldozer Ar-Pwr Angle & Tilt1
23***81Blade As-Angling; -Power Angle Tilt1
23***08Lines Group-Angling Cylinder1
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228-7923 Bulldozer Ar-Pwr Angle & Tilt
22***23Bulldozer Ar-Pwr Angle & Tilt1
4Z***41Blade & Edge Group-Semi-Universal; -Semi Universal1
9U***95Blade & Edge Group; -Semi-Universal1
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228-7922 Bulldozer Ar-Pwr Angle & Tilt -Low Ground Pressure
22***22Bulldozer Ar-Pwr Angle & Tilt; -Low Ground Pressure1
23***80Blade As-Angling; -Power Angle Tilt1
23***08Lines Group-Angling Cylinder1
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235-4773 Bulldozer Ar-Pwr Angle & Tilt
23***73Bulldozer Ar-Pwr Angle & Tilt1
4Z***43Blade & Edge Group-Straight; -Landfill1
9U***93Blade & Edge Group1
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233-6740 Bulldozer Ar-Pwr Angle & Tilt
19***49Push Arm Group1
23***40Bulldozer Ar-Pwr Angle & Tilt1
4B***58Screw (Identification Plate) Mounting2
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228-7920 Bulldozer Ar-Pwr Angle & Tilt -Low Ground Pressure
22***20Bulldozer Ar-Pwr Angle & Tilt; -Low Ground Pressure1
23***80Blade As-Angling; -Power Angle Tilt1
23***12Installation Ar-Bulldozer; -Low Ground Pressure1
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4z-0642 Bulldozer Ar-Semi-Universal
16***04Cap-Bearing2
18***93Step As; (Rh)1
18***94Step As; (Lh)1
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4z-0544 Bulldozer Ar-Semi-Universal -Landfill
4Z***44Bulldozer Ar-Semi-Universal; -Landfill1
4Z***42Blade & Edge Group-Straight; -Low Ground Pressure, Landfill1
9U***05Blade & Edge Group1
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4z-0613 Bulldozer Ar-Semi-Universal -Extra Long, Landfill
16***05Cap-Bearing2
18***93Step As; (Rh)1
18***94Step As; (Lh)1
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4z-0583 Bulldozer Ar-Straight -Low Ground Pressure, Landfill
4J***14Trunnion2
4Z***83Bulldozer Ar-Straight; -Low Ground Pressure, Landfill1
4Z***67Plate2
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4z-0545 Bulldozer Ar-Straight -Landfill
16***05Cap-Bearing2
18***93Step As; (Rh)1
18***94Step As; (Lh)1
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226-7277 C-Frame Ar
16***05Cap-Bearing2
18***93Step As; (Rh)1
18***94Step As; (Lh)1
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233-6737 C-Frame Ar
16***33Link-Stabilizer1
16***34Washer-Rubber16
16***37Shim; (0.91-mm Thk)6
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226-7276 C-Frame Ar -Low Ground Pressure
16***05Cap-Bearing2
1U***25Retainer1
22***76C-Frame Ar; -Low Ground Pressure1
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4z-9444 C-Frame As
16***33Link-Stabilizer1
16***34Washer-Rubber16
16***37Shim; (0.91-mm Thk)6
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4z-9443 C-Frame Gp
16***33Link-Stabilizer1
16***34Washer-Rubber16
16***37Shim; (0.91-mm Thk)6
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233-6741 C-Frame Gp-Power Angling
16***33Link-Stabilizer1
16***34Washer-Rubber16
16***37Shim; (0.91-mm Thk)6
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213-4850 Cylinder & Guard Gp
14***27Connector Group2
14***40Adapter; (Straight) (-8 Orb X -8 Orfs)3
14***54Elbow; (45) (-8/-8 Orb/Orfs)1
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235-4809 Cylinder & Guard Gp
14***27Connector Group2
14***40Adapter; (Straight) (-8 Orb X -8 Orfs)3
14***54Elbow; (45) (-8/-8 Orb/Orfs)1
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228-7919 Installation Ar-Bulldozer -Low Ground Pressure
16***15Control Group-Handle; -Bulldozer Control1
16***34Valve Group-Bank 3; -Bulldozer, Steering-Steering, Bulldozer Lift1
16***36Valve Group-Bank 4; -Steering, Bulldozer, Ripper1
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228-7918 Installation Ar-Bulldozer
16***15Control Group-Handle; -Bulldozer Control1
16***34Valve Group-Bank 3; -Bulldozer, Steering-Steering, Bulldozer Lift1
16***36Valve Group-Bank 4; -Steering, Bulldozer, Ripper1
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235-4812 Installation Ar-Bulldozer -Low Ground Pressure
10***47Frame Group-Telescoping Recoil; (Rh)(Rh)1
10***48Frame Group-Telescoping Recoil; (Lh)(Lh)1
12***64Cylinder & Lines Group-Lift; -Rh-Bulldozer1
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235-4772 Modification Ar-Bulldozer -Power Angle Tilt, Lgp
23***72Modification Ar-Bulldozer; -Power Angle Tilt, Lgp1
28***52Trunnion2
4Z***28Plate2
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204-7370 Modification Ar-Bulldozer -Power Angle Tilt
16***15Control Group-Handle; -Bulldozer Control1
16***34Valve Group-Bank 3; -Bulldozer, Steering-Steering, Bulldozer Lift1
16***36Valve Group-Bank 4; -Steering, Bulldozer, Ripper1
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235-4777 Modification Ar-Bulldozer -Power Angle Tilt
10***20Air Conditioner Group; -Waste Handling1
11***93Plate; (Instruction) (On Right Side Behind Cab Door)1
16***26Lines Group-Air Conditioner1
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4z-0592 Modification Ar-Bulldozer -Extra Long, Landfill
10***47Frame Group-Telescoping Recoil; (Rh)(Rh)1
10***48Frame Group-Telescoping Recoil; (Lh)(Lh)1
10***75Pivot Bar Group; -Systemone1
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219-1922 Modification Ar-Bulldozer -Extra Long, Power Angle Tilt
12***64Cylinder & Lines Group-Lift; -Rh-Bulldozer1
12***65Cylinder & Lines Group-Lift; -Lh-Bulldozer1
16***15Control Group-Handle; -Bulldozer Control1
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233-6735 Modification Ar-Bulldozer -Power Angle Tilt, Lgp
12***64Cylinder & Lines Group-Lift; -Rh-Bulldozer1
12***65Cylinder & Lines Group-Lift; -Lh-Bulldozer1
16***15Control Group-Handle; -Bulldozer Control1
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233-6739 Modification Ar-Bulldozer -Power Angle Tilt, Xl
12***66Bracket1
12***72Brace As-Tilt1
16***05Cap-Bearing2
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235-4775 Modification Ar-Bulldozer -Power Angle Tilt
11***92Rod1
13***38Washer-Plastic; (13x31.7x0.8-mm Thk)2
13***44Latch Assem.; (Lh)1
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219-1923 Modification Ar-Bulldozer -Power Angle Tilt, Lgp
10***75Pivot Bar Group; -Systemone1
10***76Pivot Bar Group; -Low Ground Pressure1
12***64Cylinder & Lines Group-Lift; -Rh-Bulldozer1
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219-1921 Modification Ar-Bulldozer -Power Angle Tilt, Lgp
12***64Cylinder & Lines Group-Lift; -Rh-Bulldozer1
12***65Cylinder & Lines Group-Lift; -Lh-Bulldozer1
16***15Control Group-Handle; -Bulldozer Control1
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223-8066 Modification Ar-Bulldozer -Power Angle Tilt
12***64Cylinder & Lines Group-Lift; -Rh-Bulldozer1
12***65Cylinder & Lines Group-Lift; -Lh-Bulldozer1
16***15Control Group-Handle; -Bulldozer Control1
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195-3049 Push Arm Gp
10***06Coil As; (Evaporator)1
19***49Push Arm Group1
1V***13Clip (Small)1
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4z-9412 Trunnion Gp-Bulldozer
03***38Clamp2
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
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Lubrication System
254-8109 Oil Change Gp-High Speed
10***89Cover-Top1
11***18Cap-Dust1
11***19Coupler-Male1
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214-4642 Oil Change Gp-High Speed -Engine
17***95Bracket Assem.1
21***42Oil Change Group-High Speed; -Engine1
3W***07Guide1
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Machine Arrangement
268-1841 Machine Ar -Site Preparation, Ripper
11***87Drain Group-Ecology; -Case, Frame1
15***70Cab Ar1
16***24Air Conditioner Ar1
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268-1842 Machine Ar -Site Preparation, Drawbar
11***87Drain Group-Ecology; -Case, Frame1
11***58Counterweight Group1
15***70Cab Ar1
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221-3212 Waste Handling Ar
13***49Guard Ar-Final Drive1
17***95Guard Ar-Idler1
20***75Alternator Group-Charging1
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219-1931 Waste Handling Ar
20***72Guard Group-Radiator1
20***75Grill Group-Radiator1
20***56Seal Group-Hood1
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205-1779 Waste Handling Ar
20***79Waste Handling Ar1
20***56Seal Group-Hood1
21***64Guard Group-Radiator1
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219-1926 Waste Handling Ar
10***13Hose As1
10***14Hose As1
12***73Case & Frame As; -Waste Handling1
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221-3211 Waste Handling Ar
13***55Guard Ar-Final Drive1
17***96Guard Ar-Idler1
20***75Alternator Group-Charging1
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219-1928 Waste Handling Ar
17***95Guard Ar-Idler1
19***09Guard Ar-Final Drive1
20***75Alternator Group-Charging1
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219-1925 Waste Handling Ar
12***73Case & Frame As; -Waste Handling1
13***49Guard Ar-Final Drive1
15***42Guard As1
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219-1927 Waste Handling Ar
10***13Hose As1
10***14Hose As1
12***73Case & Frame As; -Waste Handling1
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205-6305 Waste Handling Ar -Lgp
12***73Case & Frame As; -Waste Handling1
13***55Guard Ar-Final Drive1
16***99Hose Assem.1
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Operator Station
7t-1068 Window Gp-Cab -Rh
08***11Screw-Pan Head; (M5x0.8x16-mm)(M5x0.8x16mm)2
3S***57Screw-Pan Head; (4-40x0.5-In)2
6V***12Screw-Machine; (M6x1x25-mm)2
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7t-1069 Window Gp-Cab -Lh
08***11Screw-Pan Head; (M5x0.8x16-mm)(M5x0.8x16mm)2
6V***12Screw-Machine; (M6x1x25-mm)2
7T***69Window Group1
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6t-5005 Window Gp-Cab -Rear
2H***22Screw-Self-Tapping; (10-16x0.77-In)2
3T***21Lock Assem.1
5P***80Seal 3.05 M(120.07 In.)0
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6t-8402 Window Gp-Cab -Sliding, Rh
6T***02Window Group-Cab1
8Y***23Seal0
8Y***24Seal0
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8y-6446 Window Gp-Cab -Rear
6T***03Window Group-Cab1
8E***47Window Group-Cab; -Sliding, Lh1
8Y***46Window Group-Cab; -Rear1
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6t-5008 Window Gp-Cab -Rear Sliding
2H***22Screw-Self-Tapping; (10-16x0.77-In)2
3T***21Lock Assem.1
5P***80Seal 3.05 M(120.07 In.)0
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8y-6420 Window Gp-Cab -Lh
6T***08Window Group-Cab; (Rear Sliding)1
8Y***20Window Group-Cab; -Lh1
9N***69Window Group-Cab; -Rear, Sliding1
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8y-6433 Window Gp-Cab -Rh
6T***02Window Group-Cab1
8E***46Window Group-Cab; -Sliding, Rh1
8Y***33Window Group-Cab; -Rh1
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6t-8403 Window Gp-Cab -Sliding, Lh
6T***03Window Group-Cab1
8Y***19Glass-Cab; (Fixed)(Tinted)1
8Y***20Window Group-Cab; -Lh1
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9n-4369 Window Gp-Cab -Rear Sliding
10***42Wiper Pivot Group; (Front Window)1
13***88Clip1
13***91Nozzle As-Washer1
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8e-3446 Window Gp-Cab -Sliding, Rh
08***11Screw-Pan Head; (M5x0.8x16-mm)(M5x0.8x16mm)2
6V***12Screw-Machine; (M6x1x25-mm)2
8E***46Window Group-Cab; -Sliding, Rh1
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8e-3447 Window Gp-Cab -Sliding, Lh
15***01Bolt-Socket Head; (M4x0.7x20mm)1
8E***47Window Group-Cab; -Sliding, Lh1
8Y***23Seal0
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173-1028 Adjuster Gp-Seat
10***57Installation Group-Radio1
10***59Mirror Group-Rear View; -Interior1
10***35Handhold Group1
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164-3724 Air Conditioner Ar
10***75Heater Group-Cab; -Waste Handling1
15***09Cover Group-Console1
15***94Cab Ar1
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108-0720 Air Conditioner Gp
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
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159-0653 Blower Gp-Cab
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)3
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
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158-7694 Cab Ar
10***43Seal; (32-cm Each)0
10***28Latch As-Rotary; (Rh)1
10***29Latch As-Rotary; (Lh)1
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250-8546 Cab Ar
10***22Compressor Group-Refrigerant; -Air Conditioner1
18***12Bracket1
18***13Plate1
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159-8370 Cab Ar
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
15***70Cab Ar1
18***39Pin-Connector; (14-Ga To 18-Ga)(For 14 Gauge Wire)2
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158-7696 Cab Gp
15***96Cab Group1
18***79Control Group-Handle; -Bulldozer Control1
4B***08Setscrew; (1/4-20x0.5-In)2
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106-5122 Compressor Gp-Refrigerant
10***22Compressor Group-Refrigerant; -Air Conditioner1
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167-0029 Compressor Gp-Refrigerant
14***31Cap-Push Button; (Yellow)(Transmission Hold)3
16***87Lever-Trigger; (Joystick)1
16***89Plate; (Switch)1
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168-8783 Condenser & Mtg Gp-Refrigerant
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
10***62Screw-Machine; (4-40x0.63-In)2
11***28Screw-Pan Head; (10-14x0.75-In)2
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345-7995 Control Gp-Handle -Bulldozer
34***95Control Group-Handle; -Bulldozer1
9W***43Grab Handle2
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238-8262 Control Gp-Handle -Bulldozer Control
17***65Screw-Pan Head; (4-20x0.5-In)2
17***70Screw-Pan Head; (No 6x1.625-In)2
18***35Pin-Connector; (16-Ga To 18-Ga)4
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161-3615 Control Gp-Handle -Bulldozer Control
16***15Control Group-Handle; -Bulldozer Control1
17***70Screw-Pan Head; (No 6x1.625-In)2
18***35Pin-Connector; (16-Ga To 18-Ga)4
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267-8667 Control Gp-Handle
25***01Electronic Control Group; (Caterpillar Monitoring System)(Electronic)1
26***67Control Group-Handle; -Bulldozer-Bulldozer Control1
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257-5081 Control Gp-Handle
03***37Bolt-Self Locking; 3.81cm(1.5 In.)Long1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
10***81Control Group-Parking Brake1
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233-5236 Control Gp-Handle
14***31Cap-Push Button; (Yellow)(Transmission Hold)3
16***78Switch As-Push Button; (Implement)1
16***87Lever-Trigger; (Joystick)1
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267-8686 Control Gp-Handle -Bulldozer
11***47Screw-Machine; (6-32x0.625-In)6
11***25Holder-Cup1
12***43Seal; (70-cm)0
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208-6070 Control Gp-Handle
18***35Pin-Connector; (16-Ga To 18-Ga)11
20***70Control Group-Handle; -Bulldozer, Dual Tilt2
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209-5111 Control Gp-Steering
10***44Handle As2
1Q***23Handle As2
20***11Control Group-Steering1
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154-7443 Control Gp-Unprgmed Monitor -Caterpillar Monitoring System
03***26Retainer1
10***41Clip; (Slot)1
10***61Coil As-Heater1
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156-7409 Cover Gp-Console
09***78Pin-Spring1
10***24Kit-Indicator; (Weight Adjustment)(Suspension Seat)1
10***79Kit-Bumper; (Weight Adjustment)(Suspension Seat)1
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108-1335 Handhold Gp
10***35Handhold Group1
10***38Bracket Assem.1
21***33Film-Notice; (Radio)1
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220-6069 Handhold Gp -Heavy Duty
08***27Spacer; (13x20x1.5-mm Thk)2
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
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108-2675 Heater Gp-Cab
10***75Heater Group-Cab; -Waste Handling1
11***52Handle As-Pull2
15***06Block-Foam2
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174-2231 Housing Gp-Seat Suspension
10***55Cover-Speaker2
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
10***25Screw-Machine; (8-32x1-In)11
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105-9657 Installation Gp-Radio
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***00Fitting As-Air Conditioner; (Quick Disconnect)(Refrigerant)2
10***57Installation Group-Radio1
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170-6613 Instrument Gp
03***57Washer; (13x26x6-mm Thk)1
13***22Clip-Loop1
15***03Clamp-Hose4
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158-7695 Liner Gp-Cab
15***95Liner Group-Cab1
5K***79Bolt-Round Head; (3/8-16x11-In)1
5P***74Mirror; (Rear View)1
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161-1096 Liner Gp-Cab
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
16***96Liner Group-Cab1
17***74Control As-Electronic1
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164-3726 Lines Gp-Air Conditioner
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
16***26Lines Group-Air Conditioner1
8T***29Pin-Connector; (16-Ga To 18-Ga)(Throttle Position Sensor)6
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165-2556 Lines Gp-Heater
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
16***56Lines Group-Heater1
3F***56Lockwasher; (8.43x15.5x0.76mm Thk)1
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105-9659 Mirror Gp-Rear View -Interior
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
10***59Mirror Group-Rear View; -Interior1
3F***56Lockwasher; (8.43x15.5x0.76mm Thk)1
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168-0369 Module Gp-Display
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
16***69Module Group-Display1
18***35Pin-Connector; (16-Ga To 18-Ga)5
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166-6928 Module Gp-Quad Gauge
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
16***28Module Group-Quad Gauge; -Engine Coolant Temp, Transmission Oil Temp, Hydraulic Oil Temp, Fuel Level1
18***35Pin-Connector; (16-Ga To 18-Ga)5
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221-3451 Motor Gp-Window Wiper
22***51Motor Group-Window Wiper; -Door, Lh1
29***12Mounting Group-Monitor; -Grade Control1
29***97Harness Assembly-Advisor Jumper1
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147-7976 Motor Gp-Window Wiper
14***76Motor Group-Window Wiper; -Front Window1
23***03Plate As1
5P***76Washer Guard To Support Assembly And Guard Assembly2
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147-7979 Motor Gp-Window Wiper
11***33Angle1
14***79Motor Group-Window Wiper; -Rear1
17***38Bolt-12 Point Head; (M12x1.75x30-mm)7
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221-3450 Motor Gp-Window Wiper
22***50Motor Group-Window Wiper; -Rear Cab1
25***44Mount1
26***68Bracket1
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237-9140 Mounting Gp-Antenna -Grade Control
16***12Alarm; (Action)1
22***51Washer-Hard; (11x32x5-mm Thk)2
23***40Mounting Group-Antenna; -Grade Control1
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169-9637 Mounting Gp-Cab
16***83Knob-Lumbar1
16***37Mounting Group-Cab1
17***05Pan Group-Backrest; -Lumbar1
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296-0612 Mounting Gp-Monitor -Grade Control
15***56Platform Group; -Open Rops1
29***12Mounting Group-Monitor; -Grade Control1
7T***99Link1
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237-9130 Mounting Gp-Monitor -Grade Control
13***43Plate As-Lumbar1
17***52Retainer1
17***07Holder1
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252-6945 Mounting Gp-Monitor -Grade Control
13***89Clip; (Ladder)1
15***57Platform Assem.1
16***02Angle Assem.1
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178-0605 Pan Gp-Backrest -Lumbar
17***05Pan Group-Backrest; -Lumbar1
20***04Pressurizer As-Cab1
23***81Filter Element-Cab Air; (Pressurizer)1
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178-0604 Pan Gp-Backrest -Cloth
11***82Cover Assem.1
11***63Liner1
12***43Liner1
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243-5294 Platform Gp
11***13Film-Warning; (Rops)(No Weld, No Drill)1
18***00Handrail1
19***19Rollover Assem.1
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156-4756 Platform Gp -Open Rops
03***14Bolt-Self Locking; (1/4unc X 1/2)1
10***67Washer-Hard; (7.2x25x2-mm Thk)1
15***56Platform Group; -Open Rops1
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159-0725 Pressurizer Gp-Cab
0T***44Bolt (1.25" Long)1
15***25Pressurizer Group-Cab1
20***88Bolt; (7/16-20) (44.5mml)1
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209-5105 Pressurizer Gp-Cab -Debris Resistant
09***43Pin-Cotter2
14***88Locknut-Flange; (3/8-16-Thd)8
17***30Screw-Button Head; (3/8-16x1-In)6
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210-2270 Recliner Gp-Seat
0T***44Bolt (1.25" Long)1
11***91Rod1
17***37Spacer; (11.7x19.8x20.3-mm Thk)(Lh Seat Side)1
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183-9254 Rops Gp
16***65Suspension Group-Seat1
17***87Setscrew; (1/4-20-Thd)4
17***35Block Kit; (Includes Bolt, Washers, Blocks And Setscrews)1
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222-0345 Seat Belt Gp -Retractable
10***03Fastener20
10***94Kit-Tether Belt; (Suspension Seat)(Seat Suspension)1
10***95Kit-Suspension Roller; (Suspension Seat)(Seat Suspension)1
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178-0603 Seat Gp -Cloth
16***49Tank Group-Window Washer; -Windshield1
17***03Seat Group; (Fabric)1
3S***93Strap-Cable-To Tie Harnesses Together1
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178-0606 Seat Gp -Cloth
14***95Hose; (650-cm Each)0
17***06Seat Group1
18***57Harness Assembly; (Window Washer)1
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160-7186 Seat Gp-Suspension -Cloth
10***00Kit-Connecting Plug; (12-Pin)(Electronic Control)1
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
14***95Hose; (650-cm Each)0
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160-7165 Suspension Gp-Seat
16***65Suspension Group-Seat1
2H***22Screw-Self-Tapping; (10-16x0.77-In)2
3T***21Lock Assem.1
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169-9646 Tank Gp-Window Washer
16***46Tank Group-Window Washer1
5P***80Seal 3.05 M(120.07 In.)0
6T***05Window Group; -Rear1
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169-9649 Tank Gp-Window Washer
16***49Tank Group-Window Washer; -Windshield1
5P***80Seal 3.05 M(120.07 In.)0
6V***33Seal; (1-M)0
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158-7690 Washer Gp-Window
15***90Washer Group-Window1
5P***80Seal 3.05 M(120.07 In.)0
6V***33Seal; (1-M)0
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8e-5113 Window Gp-Sliding -Rh
4Z***17Blade As-Semi-Universal; -Landfill1
8E***13Window Group-Sliding; -Rh1
9W***62Bit & Cutting Edge Group; -Semi-Universal Bulldozer1
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8e-5114 Window Gp-Sliding -Lh
4Z***26Blade As-Semi-Universal; -Landfill1
8E***14Window Group-Sliding; -Lh1
9W***62Bit & Cutting Edge Group; -Semi-Universal Bulldozer1
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8e-5112 Window Gp-Sliding -Rear
20***23Cap; (Wiper)1
3F***56Lockwasher; (8.43x15.5x0.76mm Thk)1
5C***61Nut (M8x1.25 Thd); (M8x1.25 Thd)1
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224-4357 Wiper Gp-Window
10***55Edge Group-Bit & Cutting; -Semi-Universal1
14***99Blade As-Semi-Universal1
22***57Wiper Group-Window1
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101-0742 Wiper Pivot Gp
10***42Wiper Pivot Group; (Front Window)1
10***55Edge Group-Bit & Cutting; -Semi-Universal1
4Z***67Blade As-Semi-Universal; -Landfill1
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Power Train
3w-6494 Drive Gp-Final
10***50Drain Group-Ecology; -Transmission, Torque Converter1
2B***58Plug--To Block Upper Front Air Manifold2
2H***31Packing,Preformed Plate Part Of Kit P/N 4j***801
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9g-7365 Drive Gp-Final
15***93Cone-Bearing; (Tapered Roller)6
1B***78Cup,Tapered Roller (Timken 3720) Uoc:Bsu,Bsw6
1M***11Ring-Sealing2
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3w-6554 Axle Gp -Low Ground Pressure
06***09Screw; (8-32x0.75-In)4
15***65Kit-Connecting Plug; (8-Pin)(Electronic Control Channel)1
19***94Harness As; (Erops Throttle Jumper)1
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110-6287 Drain Gp-Ecology -Case, Frame
11***87Drain Group-Ecology; -Case, Frame1
4N***08Pin-Spring1
5P***58Seal-O-Ring; (34.65mm Id)1
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106-4150 Drain Gp-Ecology -Transmission Case
10***50Drain Group-Ecology; -Transmission, Torque Converter1
3T***51Shaft; (Final Drive, Center)1
3W***55Shaft-Axle1
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180-7902 Drive Gp-Final
15***93Cone-Bearing; (Tapered Roller)6
18***02Drive Group-Final1
18***08Segment Group-Sprocket1
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180-7911 Drive Gp-Final
13***88Guard1
13***89Guard1
13***90Retainer2
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180-7916 Drive Gp-Final
13***88Guard1
13***90Retainer2
13***10Seal-Packing2
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188-0908 Segment Gp-Sprocket
13***88Guard1
13***89Guard1
13***90Retainer2
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Steering And Braking System
107-3881 Control Gp-Parking Brake
10***81Control Group-Parking Brake1
14***39Connector As.3
14***56Elbow As1
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Undercarriage
169-4368 Mounting Gp-Carrier Roller
13***84Shaft As2
16***68Mounting Group-Carrier Roller1
3T***51Cover2
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6y-2940 Mounting Gp-Carrier Roller
10***92Shaft Assem.2
3T***51Cover2
5G***93Retainer2
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6y-1781 Roller Gp-Track Carrier -Heavy Duty
11***98Bushing Assem.2
11***02Shaft-Track Roller1
11***48Ring-Retaining2
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235-5974 Roller Gp-Track Carrier -Systemone
23***74Roller Group-Track Carrier; -Heavy-Duty, Systemone1
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201-2076 Bar As-Equalizer
201-2078 Bar As-Equalizer
191-4893 Bar Gp-Equalizer
186-2882 Bar Gp-Equalizer
168-6430 Bar Gp-Equalizer
191-4896 Bar Gp-Equalizer
190-6577 Bar Gp-Equalizer
186-2885 Bar Gp-Equalizer
191-4898 Bar Gp-Equalizer
233-4849 Cap Gp-Track Idler -Systemone
233-4847 Cap Gp-Track Idler -Systemone
267-4746 Cap Gp-Track Idler -Systemone
236-2592 Cap Gp-Track Idler -Systemone, Rh, Rear
236-2591 Cap Gp-Track Idler -Systemone, Lh, Rear
215-9599 Cap Gp-Track Roller -Systemone
244-6076 Frame Gp-Telescoping Recoil -Rh
244-6079 Frame Gp-Telescoping Recoil -Extra Long, Lh
137-0215 Frame Gp-Telescoping Recoil -Rh
244-6078 Frame Gp-Telescoping Recoil -Extra Long, Rh
244-6080 Frame Gp-Telescoping Recoil -Rh
244-6081 Frame Gp-Telescoping Recoil -Lh
137-0219 Frame Gp-Telescoping Recoil -Lh
244-6077 Frame Gp-Telescoping Recoil -Lh
170-0795 Guard Ar-Idler
170-0796 Guard Ar-Idler
17***96Guard Ar-Idler1
20***97Idler Group-Track4
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206-8836 Guard Gp-Track Guide -Systemone
16***87Spacer; (40x40x20-mm Thk)8
20***36Guard Group-Track Guide; -Systemone1
20***37Guard As-Track Guide2
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236-5176 Idler Ar-Track -Waste Handling
17***95Guard Ar-Idler4
20***09Idler Group-Track; -Cold Weather4
23***76Idler Ar-Track; -Waste Handling1
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258-8798 Idler Gp-Front -Systemone
10***91Washer-Thrust2
14***94Shaft-Track Idler1
16***66Toric Ring2
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227-8715 Idler Gp-Front -Systemone
22***15Idler Group-Front; -Systemone1
28***05Idler Group-Track; -Systemone1
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323-1170 Idler Gp-Track -Systemone
15***71Ring; (Thrust)78
16***20Track Pin39
20***44Seal As78
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205-0709 Idler Gp-Track -Cold Weather
10***91Washer-Thrust2
10***45Collar-Seal2
14***94Shaft-Track Idler1
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286-9305 Idler Gp-Track -Systemone
10***91Washer-Thrust2
10***45Collar-Seal2
14***94Shaft-Track Idler1
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206-1895 Idler Gp-Track
10***91Washer-Thrust2
14***94Shaft-Track Idler1
16***66Toric Ring2
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206-1897 Idler Gp-Track
10***91Washer-Thrust2
14***94Shaft-Track Idler1
16***66Toric Ring2
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258-6697 Idler Gp-Track -Waste Handling
10***91Washer-Thrust2
14***94Shaft-Track Idler1
16***66Toric Ring2
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6i-9671 Link As-Track
15***71Ring; (Thrust)90
16***20Track Pin45
20***44Seal As90
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234-9678 Link As-Track -Systemone, Offset
23***78Link As-Track; -Systemone, Offset1
23***82Cartridge As-Track Link2
23***99Track Link2
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234-9669 Link As-Track -Systemone
23***69Link As-Track; -Systemone, Offset-Fine Grading1
23***79Link As-Track Box; -Link Box18
23***81Link As-Track Box; -Link Box, Offset1
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8e-9037 Link As-Track
15***71Ring; (Thrust)164
16***21Pin-Track41
16***54Joint As-Track Link; (Rh)(Rotating Bushing Track)40
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234-9672 Link As-Track -Systemone, Offset
23***72Link As-Track; -Systemone, Offset1
23***79Link As-Track Box; -Link Box19
23***81Link As-Track Box; -Link Box, Offset1
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218-3291 Link As-Track -Systemone
21***91Link As-Track; -Systemone1
23***79Link As-Track Box; -Link Box21
23***81Link As-Track Box; -Link Box, Offset1
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6i-9668 Link As-Track
15***71Ring; (Thrust)82
16***20Track Pin41
20***44Seal As82
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351-0958 Link As-Track -Systemone
23***79Link As-Track Box; -Link Box1
23***82Cartridge As-Track Link1
35***58Link As-Track; -Systemone1
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152-8050 Link As-Track
15***50Link As-Track1
21***92Link As-Track Box21
21***93Link As-Track1
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234-9679 Link As-Track Box -Link Box
23***79Link As-Track Box; -Link Box1
29***85Cartridge As-Track Link2
6Y***73Plug; (Clear)2
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264-9763 Link As-Track Box -Link Box
26***63Link As-Track Box; -Systemone1
7X***71Bolt; (3/4-10x3.75-In)2
7X***06Capscrew; (Hex Head) (1-8x3 G8 Z)4
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234-9681 Link As-Track Box -Link Box, Offset
23***81Link As-Track Box; -Link Box, Offset1
26***63Link As-Track Box; -Systemone1
29***85Cartridge As-Track Link1
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264-9768 Link As-Track Box -Link Box, Offset
17***08Bracket1
26***68Link As-Track Box; -Link Box, Offset1
7X***75Bolt; (M24x3x60-mm)4
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351-0955 Link As-Track Box -Link Box
17***90Shim; (10-mm Thk)4
1D***17Bolt (6.25" Long)8
23***47Cap Group-Track Idler; -Systemone-Lgp-Front, Rh2
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351-0956 Link As-Track Box -Link Box, Offset
10***90Shaft Assem.2
35***56Link As-Track Box; -Link Box, Offset1
3T***51Cover2
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240-8870 Mounting Gp-Idler -Systemone
20***12Roller Group-Track-Double Flange; -Cold Weather6
20***13Roller Group-Track-Single Flange; -Cold Weather, Pipe8
20***04Idler Group-Track; -Heavy-Duty-Sound Suppression4
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108-0176 Pivot Bar Gp -Low Ground Pressure
10***76Pivot Bar Group; -Low Ground Pressure1
23***74Roller Group-Track Carrier; -Heavy-Duty, Systemone2
6Y***40Mounting Group-Carrier Roller; -Long Undercarriage2
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108-0175 Pivot Bar Gp -Systemone
10***75Pivot Bar Group; -Systemone1
6Y***81Roller Group-Track Carrier; -Heavy Duty2
6Y***40Mounting Group-Carrier Roller; -Long Undercarriage2
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137-0283 Pivot Bar Gp
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly3
12***47Bearing As-Special2
13***83Pivot Bar Group1
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201-2556 Roller & Idler Ar -Cold Weather
20***56Roller & Idler Ar; -Cold Weather1
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1z-0967 Roller Ar-Track Carrier -Systemone
11***98Bushing Assem.2
11***02Shaft-Track Roller1
11***48Ring-Retaining2
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201-4812 Roller Gp-Track-Double Flange -Cold Weather
20***12Roller Group-Track-Double Flange; -Cold Weather1
23***50Scraper2
23***52Scraper2
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235-4157 Roller Gp-Track-Single Flange -Systemone
1P***47Plate-Locking1
1P***19Bracket Assem.1
20***20Bar As-Striker; -Low Ground Pressure1
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220-1615 Roller Gp-Track-Single Flange
19***76Guard Assem.1
1Q***44Plate1
1Q***45Bracket As2
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201-4813 Roller Gp-Track-Single Flange -Cold Weather
20***13Roller Group-Track-Single Flange; -Cold Weather, Pipe1
23***52Scraper4
23***53Scraper2
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238-0451 Scraper Gp-Idler -Systemone
1P***47Plate-Locking1
1P***19Bracket Assem.1
20***55Bar Group-Striker1
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238-0448 Scraper Gp-Idler -Systemone
1P***47Plate-Locking1
1P***19Bracket Assem.1
20***20Bar As-Striker; -Low Ground Pressure1
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1z-0685 Striker Gp-Front -Waste Disposal
1P***47Plate-Locking1
1P***19Bracket Assem.1
1Z***85Striker Group-Front; -Waste Disposal1
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202-3265 Striker Gp-Rear -Landfill
1Q***36Track Group; -2-Required1
1Q***58Shoe; (Track)40
1Q***97Shoe-Track Master1
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200-7019 Striker Gp-Rear -Low Ground Pressure
16***23Seal-U-Cup1
19***09Valve-Fill; (Grease)1
20***19Striker Group-Rear; -Low Ground Pressure1
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223-0659 Track Adjuster & Recoil Gp
1Q***35Shoe-Track40
1Q***96Shoe-Track Master1
1S***60Nut-Track; (3/4-16-Thd)160
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9u-8492 Track Adjuster & Recoil Gp
1Q***30Shoe-Track40
1S***60Nut-Track; (3/4-16-Thd)160
6I***71Link As-Track1
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245-3321 Track Gp -2-Required
15***50Link As-Track1
1Q***36Track Group; -2-Required1
1S***60Nut-Track; (3/4-16-Thd)160
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275-5133 Track Gp -2-Required, Systemone
13***83Pivot Bar Group1
15***42Shim; (10-mm Thk)(Front)8
16***02Undercarriage Ar1
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223-4920 Track Gp -Rh
1S***60Nut-Track; (3/4-16-Thd)176
22***20Track Group; -Rh1
23***09Shoe-Track; (Rh)44
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234-9673 Track Gp -2-Required, Systemone
1S***60Nut-Track; (3/4-16-Thd)160
23***73Track Group; -2-Required, Systemone1
25***05Shoe-Track; (Rh)40
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273-1687 Track Gp -Systemone, Rh
10***91Cap Group-Track Idler; -Sound Suppression8
16***03Guard2
16***11Guard2
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176-0331 Track Gp -2-Required
17***31Track Group; -2-Required1
18***56Shoe-Track; (Lh)40
18***57Shoe-Track Master; (Lh)1
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169-2507 Track Gp -Rh
16***07Track Group; -Rh1
17***86Shoe-Master; (Rh)1
17***87Shoe-Track; (Rh)40
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185-5719 Track Gp -2-Required
18***19Track Group; -2-Required1
20***33Track Group; -Rh1
20***34Track Group; -Lh1
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201-0634 Track Gp -Lh
1S***60Nut-Track; (3/4-16-Thd)160
20***34Track Group; -Lh1
21***87Shoe-Track40
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231-8098 Track Gp -2-Required
23***98Track Group; -2-Required1
23***69Link As-Track; -Systemone, Offset-Fine Grading1
23***99Track Link2
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185-4055 Track Gp
18***55Track Group1
19***48Shoe-Track38
19***60Shoe-Track Master1
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1q-4734 Track Gp -2-Required
1Q***34Track Group; -2-Required1
1Q***24Shoe-Track38
1Q***94Shoe-Track Master1
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239-8486 Track Gp -2-Required
23***86Track Group; -2-Required1
25***09Track Group; -Rh1
25***10Track Group; -Lh1
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234-9670 Track Gp -2-Required, Systemone
1Q***36Track Group; -2-Required1
1S***60Nut-Track; (3/4-16-Thd)160
23***70Track Group; -2-Required, Systemone1
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201-0635 Track Gp
1S***60Nut-Track; (3/4-16-Thd)160
20***35Track Group1
22***25Shoe-Track; (Rh)40
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125-5168 Track Gp -2-Required
12***68Track Group; -2-Required1
13***74Shoe-Track40
15***50Link As-Track1
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265-5196 Track Gp -2-Required, Systemone
23***78Link As-Track; -Systemone, Offset1
23***99Track Link2
26***96Track Group; -2-Required, Systemone1
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266-0094 Track Gp -2-Required, Systemone
23***69Link As-Track; -Systemone, Offset-Fine Grading1
23***99Track Link2
24***13Shoe-Track; (Center Hole)45
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266-0090 Track Gp -Systemone, Rh
23***78Link As-Track; -Systemone, Offset1
23***99Track Link2
26***90Track Group; -Systemone, Rh1
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218-3290 Track Gp -2-Required, Systemone
1Q***36Track Group; -2-Required2
21***90Track Group; -2-Required, Systemone1
22***20Track Group; -Rh1
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1q-4764 Track Gp -2-Required
1Q***64Track Group; -2-Required1
1Q***58Shoe; (Track)44
1Q***97Shoe-Track Master1
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234-9675 Track Gp -2-Required, Systemone-Systemone
1S***60Nut-Track; (3/4-16-Thd)160
23***75Track Group; -2-Required, Systemone-Systemone1
25***06Shoe-Track; (Lh)40
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144-7706 Track Gp -2-Required
14***06Track Group; -2-Required1
15***50Link As-Track1
16***39Shoe-Track; (Rh)40
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171-2384 Track Gp -Lh
17***84Track Group; -Lh1
18***01Shoe-Track40
18***02Shoe-Track Master1
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233-3717 Track Gp -Lh
23***17Track Group; -Lh1
23***78Link As-Track; -Systemone, Offset1
23***99Track Link2
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262-5493 Track Gp -2-Required
23***67Track Group; -2-Required, Systemone-Systemone2
26***93Track Group; -2-Required1
26***22Track Group; -Systemone, Rh1
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265-8322 Track Gp -Systemone, Rh
23***78Link As-Track; -Systemone, Offset1
23***99Track Link2
26***22Track Group; -Systemone, Rh1
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252-9711 Track Gp
23***69Link As-Track; -Systemone, Offset-Fine Grading1
23***99Track Link2
25***11Track Group1
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265-8324 Track Gp -Systemone, Offset
23***78Link As-Track; -Systemone, Offset1
23***99Track Link2
26***24Track Group; -Systemone, Offset1
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160-4941 Track Gp -Rh
15***50Link As-Track1
16***40Shoe-Track; (Lh)40
16***41Track Group; -Rh1
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191-9953 Track Gp -Custom
19***53Track Group; -Custom1
1S***60Nut-Track; (3/4-16-Thd)176
20***93Shoe-Track44
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1q-4727 Track Gp -2-Required
1Q***27Track Group; -2-Required1
1Q***36Track Group; -2-Required1
1Q***44Shoe-Track40
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234-9667 Track Gp -2-Required, Systemone-Systemone
15***50Link As-Track1
1Q***25Shoe-Track40
1Q***26Shoe-Track Master1
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169-2508 Track Gp -Lh
16***08Track Group; -Lh1
17***84Track Group; -Lh1
17***88Track Group; -Rh1
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201-0637 Track Gp -2-Required
1S***60Nut-Track; (3/4-16-Thd)160
20***37Track Group; -2-Required1
22***23Shoe-Track Master; (Lh)1
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223-4921 Track Gp -Lh
1S***60Nut-Track; (3/4-16-Thd)176
22***21Track Group; -Lh1
23***11Shoe-Track; (Lh)44
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1q-4925 Track Gp -2-Required
1Q***07Shoe-Track Master1
1Q***25Track Group; -2-Required1
1Q***73Shoe-Track44
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6i-9656 Track Gp -2-Required
13***74Shoe-Track40
1S***60Nut-Track; (3/4-16-Thd)160
6I***56Track Group; -2-Required1
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252-9710 Track Gp -Lh
23***69Link As-Track; -Systemone, Offset-Fine Grading1
23***99Track Link2
25***10Track Group; -Lh1
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1q-4959 Track Gp -2-Required
10***35Bushing-Track1
10***37Pin-Track1
10***39Joint As; (Rh)44
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160-4942 Track Gp -Lh
16***42Track Group; -Lh1
16***07Track Group; -Rh1
16***08Track Group; -Lh1
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1q-4969 Track Gp -2-Required
12***63Shoe-Track Master1
12***67Shoe-Track40
1Q***69Track Group; -2-Required1
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265-8323 Track Gp -Systemone, Lh
23***75Track Group; -2-Required, Systemone-Systemone2
26***23Track Group; -Systemone, Lh1
26***85Track Group; -Systemone, Rh1
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266-0091 Track Gp -Systemone, Lh
23***78Link As-Track; -Systemone, Offset1
23***99Track Link2
26***91Track Group; -Systemone, Lh1
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273-1688 Track Gp -Systemone, Lh
10***75Pivot Bar Group; -Systemone1
15***42Shim; (10-mm Thk)(Front)8
17***95Guard Ar-Idler1
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266-0085 Track Gp -Systemone, Rh
23***78Link As-Track; -Systemone, Offset1
23***99Track Link2
26***85Track Group; -Systemone, Rh1
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223-4922 Track Gp
22***22Track Group1
23***16Track Group; -Rh1
23***17Track Group; -Lh1
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252-9709 Track Gp -Rh
23***67Track Group; -2-Required, Systemone-Systemone1
23***69Link As-Track; -Systemone, Offset-Fine Grading1
23***99Track Link2
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185-4054 Track Gp
13***90Shoe-Track40
18***54Track Group1
1Q***36Track Group; -2-Required1
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171-2391 Track Gp
17***91Track Group1
18***53Shoe-Track; (Rh)40
18***54Shoe-Track Master; (Rh)1
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185-5652 Track Gp -Lh
18***52Track Group; -Lh1
1S***60Nut-Track; (3/4-16-Thd)176
20***97Shoe-Track; (Lh)44
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266-0087 Track Gp -Systemone, Offset
23***67Track Group; -2-Required, Systemone-Systemone1
23***69Link As-Track; -Systemone, Offset-Fine Grading1
23***99Track Link2
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185-5651 Track Gp -Rh
18***51Track Group; -Rh1
1S***60Nut-Track; (3/4-16-Thd)176
20***95Shoe-Track; (Rh)44
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201-0633 Track Gp -Rh
20***33Track Group; -Rh1
21***91Link As-Track; -Systemone1
21***94Link-Track2
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233-3716 Track Gp -Rh
19***22Link-Track Master; (Clamp)2
23***16Track Group; -Rh1
23***72Link As-Track; -Systemone, Offset1
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1q-4773 Track Gp -2-Required
1Q***73Track Group; -2-Required1
1Q***58Shoe; (Track)38
1Q***97Shoe-Track Master1
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169-2509 Track Gp
13***74Shoe-Track44
16***09Track Group1
1S***60Nut-Track; (3/4-16-Thd)176
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144-7703 Track Gp -2-Required
14***03Track Group; -2-Required1
16***41Track Group; -Rh1
16***42Track Group; -Lh1
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266-0086 Track Gp -Systemone, Lh
23***73Track Group; -2-Required, Systemone2
26***86Track Group; -Systemone, Lh1
26***90Track Group; -Systemone, Rh1
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273-1689 Track Gp -Systemone, Offset
10***75Pivot Bar Group; -Systemone1
15***42Shim; (10-mm Thk)(Front)8
16***68Mounting Group-Carrier Roller2
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1q-4743 Track Gp -2-Required
1Q***43Track Group; -2-Required1
1Q***30Shoe-Track38
1S***60Nut-Track; (3/4-16-Thd)152
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1q-4937 Track Gp -2-Required
1Q***37Track Group; -2-Required1
1S***60Nut-Track; (3/4-16-Thd)160
6I***71Link As-Track1
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1q-4972 Track Gp -2-Required
1Q***07Shoe-Track Master1
1Q***36Track Group; -2-Required1
1Q***72Track Group; -2-Required1
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171-2388 Track Gp -Rh
17***88Track Group; -Rh1
18***51Track Group; -Rh1
18***52Track Group; -Lh1
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138-5773 Track Gp -2-Required
13***73Track Group; -2-Required1
16***40Shoe-Track; (Lh)40
16***99Shoe-Track Master; (Lh)1
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106-8233 Track Gp
10***33Track Group1
1Q***25Shoe-Track40
1Q***26Shoe-Track Master1
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138-5772 Track Gp -2-Required
13***72Track Group; -2-Required1
16***39Shoe-Track; (Rh)40
16***98Shoe-Track Master; (Rh)1
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266-0092 Track Gp -Systemone
23***73Track Group; -2-Required, Systemone2
26***92Track Group; -Systemone1
27***87Track Group; -Systemone, Rh1
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218-3351 Track Gp -2-Required
15***50Link As-Track1
1Q***36Track Group; -2-Required1
1S***60Nut-Track; (3/4-16-Thd)160
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233-3718 Track Gp
19***22Link-Track Master; (Clamp)2
23***18Track Group1
23***78Link As-Track; -Systemone, Offset1
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160-4943 Track Gp -Extra Long, Power Angle Tilt
16***43Track Group; -Extra Long, Power Angle Tilt1
17***82Shoe-Master; (Lh)1
17***83Shoe-Track; (Lh)40
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268-8037 Undercarriage Ar -Waste Handler, Systemone
20***58Film-Warning; (Accumulator)(High Pressure Cylinder)2
26***37Undercarriage Ar; -Waste Handler, Systemone1
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268-8038 Undercarriage Ar -Systemone
23***21Lines Group-Pilot1
24***30Valve & Mtg Group-Bulldozer; -Grade Control1
24***55Valve Group-Pilot; -Bulldozer Control1
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253-0964 Undercarriage Ar -Systemone
10***76Pivot Bar Group; -Low Ground Pressure1
16***68Mounting Group-Carrier Roller2
17***96Guard Ar-Idler1
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268-8036 Undercarriage Ar -Waste Handler, Systemone
20***58Film-Warning; (Accumulator)(High Pressure Cylinder)2
26***36Undercarriage Ar; -Waste Handler, Systemone1
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268-8035 Undercarriage Ar -Waste Handler, Systemone
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
10***88Bracket Assem.1
11***60Cover1
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Work Tools
6y-1744 Edge Gp-Bit & Cutting
23***15Kit-Frame1
23***16Kit-Blade1
6Y***44Bit & Cutting Edge Group; -Straight1
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9w-3762 Edge Gp-Bit & Cutting
24***95Bracket As3
24***36Plate As1
8T***97Nut-Weld; (M12x1.75-Thd)10
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4t-6660 Edge Gp-Bit & Cutting
10***93Edge-Cutting4
2J***06Nut Front Support To Frame; Nut-Front Support To Frame36
4T***60Bit & Cutting Edge Group1
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9w-0610 Mounting Gp-Ripper
11***58Pin; (G.E.T.)1
11***59Retainer Assembly; (G.E.T.)1
3B***25Cotter; (Pin)2
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9w-0804 Ripper Ar
4z-0609 Ripper Ar -Low Ground Pressure
4Z***09Ripper Ar; -Low Ground Pressure1
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9w-1017 Ripper Gp
4z-9229 Blade & Edge Gp-Semi-Universal
10***92Edge Group-Bit & Cutting; -Angling1
4Z***29Blade & Edge Group-Semi-Universal1
4Z***33Blade As-Angling1
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4z-9268 Blade & Edge Gp-Semi-Universal -Extra Long, Landfill
23***78Blade As-Angling; -Power Angle Tilt1
23***08Lines Group-Angling Cylinder1
4Z***68Blade & Edge Group-Semi-Universal; -Extra Long, Landfill1
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4z-9158 Blade & Edge Gp-Semi-Universal -Extra Long, Landfill
4Z***06Blade As-Straight; -Landfill1
4Z***58Blade & Edge Group-Semi-Universal; -Extra Long, Landfill1
6Y***44Bit & Cutting Edge Group; -Straight1
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4z-9141 Blade & Edge Gp-Semi-Universal -Landfill
4T***60Bit & Cutting Edge Group1
4Z***91Blade As-Straight; -Low Ground Pressure, Landfill1
4Z***41Blade & Edge Group-Semi-Universal; -Semi Universal1
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4z-9432 Blade & Edge Gp-Straight
10***93Edge-Cutting3
2J***06Nut Front Support To Frame; Nut-Front Support To Frame30
4Z***32Blade & Edge Group-Straight1
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4z-9143 Blade & Edge Gp-Straight -Landfill
10***93Edge-Cutting2
2J***06Nut Front Support To Frame; Nut-Front Support To Frame31
4T***48Cutting Edge (17mm Thick)1
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4z-9142 Blade & Edge Gp-Straight -Low Ground Pressure, Landfill
2J***06Nut Front Support To Frame; Nut-Front Support To Frame27
4T***48Cutting Edge (17mm Thick)3
4Z***42Blade & Edge Group-Straight; -Low Ground Pressure, Landfill1
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235-4776 Blade Ar-Pwr Angle & Tilt -Low Ground Pressure
10***93Edge-Cutting2
23***76Blade Ar-Pwr Angle & Tilt; -Low Ground Pressure1
2J***06Nut Front Support To Frame; Nut-Front Support To Frame38
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235-4781 Blade As-Angling -Power Angle Tilt
23***81Blade As-Angling; -Power Angle Tilt1
4Z***26Strap6
4Z***30Blade As-Semi-Universal1
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203-0831 Blade As-Angling -Power Angle Tilt
19***67Strap; (Support)2
20***31Blade As-Angling; -Power Angle Tilt1
4Z***18Screen As1
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200-1937 Blade As-Angling -Power Angle Tilt, Lgp
20***37Blade As-Angling; -Power Angle Tilt, Lgp1
2J***06Nut Front Support To Frame; Nut-Front Support To Frame33
4T***48Cutting Edge (17mm Thick)3
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202-3268 Blade As-Angling -Power Angle Tilt, Lgp
10***93Edge-Cutting3
20***68Blade As-Angling; -Power Angle Tilt, Lgp1
2J***06Nut Front Support To Frame; Nut-Front Support To Frame30
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235-4780 Blade As-Angling -Power Angle Tilt
13***64Bracket Assem. (L.H); (L.H.)1
13***66Bracket Assem. (R.H); (R.H.)1
13***84Bracket Assem.2
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235-4778 Blade As-Angling -Power Angle Tilt
13***65Blade As-Semi-Universal; -8-In Lg1
19***66Strap2
19***67Strap; (Support)2
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4z-8817 Blade As-Semi-Universal -Landfill
1U***83Deflector2
4J***41Trunnion1
4T***04Trunnion1
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4z-9230 Blade As-Semi-Universal
13***64Bracket Assem. (L.H); (L.H.)1
13***66Bracket Assem. (R.H); (R.H.)1
13***84Bracket Assem.2
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135-2965 Blade As-Semi-Universal
13***65Blade As-Semi-Universal; -8-In Lg1
4T***63Blade As-Straight1
4Z***94Plate-Support2
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4z-9267 Blade As-Semi-Universal -Landfill
1U***31Shoe-Track-Rh1
1U***32Shoe-Track-Lh1
1U***47Support1
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143-0499 Blade As-Semi-Universal
14***99Blade As-Semi-Universal1
1U***83Deflector2
4J***41Trunnion1
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8e-5204 Blade As-Semi-Universal
4Z***26Strap4
4Z***07Screen As1
8E***87Blade As-Straight1
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4z-9126 Blade As-Semi-Universal -Landfill
13***64Bracket Assem. (L.H); (L.H.)1
13***66Bracket Assem. (R.H); (R.H.)1
13***84Bracket Assem.2
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4z-9091 Blade As-Straight -Low Ground Pressure, Landfill
13***34Plate-Identification; (Work Tool)1
25***09Blade As1
2J***06Nut Front Support To Frame; Nut-Front Support To Frame30
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8e-5187 Blade As-Straight
2J***06Nut Front Support To Frame; Nut-Front Support To Frame37
4T***17Edge-Cutting1
4T***41Bit-End; (Rh)1
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4z-8906 Blade As-Straight -Landfill
3B***32Cotter; (Pin)2
4T***81Link Assem.1
4Z***06Blade As-Straight; -Landfill1
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4t-1763 Blade As-Straight
4J***18Retainer1
4T***63Blade As-Straight1
4T***51Trunnion4
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4z-9431 Blade Gp-Angling
2J***06Nut Front Support To Frame; Nut-Front Support To Frame33
4T***35End Bit (R.H.)1
4T***36End Bit (L.H.)1
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4z-9226 Blade Gp-Semi-Universal
2J***06Nut Front Support To Frame; Nut-Front Support To Frame27
4T***52Edge-Cutting3
4Z***26Blade Group-Semi-Universal1
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255-6808 Blade Gp-Universal
25***08Blade Group-Universal1
2J***06Nut Front Support To Frame; Nut-Front Support To Frame28
5J***73Bolt 2.06cm(.8125in.)Long28
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255-3374 Blade Gp-Waste Handling
10***56Edge-Cutting2
25***74Blade Group-Waste Handling1
2J***06Nut Front Support To Frame; Nut-Front Support To Frame30
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106-0955 Edge Gp-Bit & Cutting
10***55Edge Group-Bit & Cutting; -Semi-Universal1
1K***72Locknut Horn To Guard2
1U***59Pin(63.5mm Dia)2
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109-9092 Edge Gp-Bit & Cutting
10***92Edge Group-Bit & Cutting; -Angling1
3W***56Guard Group-Transmission; (Includes Items 15a, B & C)1
4B***58Screw (Identification Plate) Mounting2
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235-4814 Kit-Blade -Power Angle Tilt
23***14Kit-Blade; -Power Angle Tilt1
3W***56Guard Group-Transmission; (Includes Items 15a, B & C)1
4B***58Screw (Identification Plate) Mounting2
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245-4136 Mounting Gp-Mast -Accugrade
18***85Frame & Bearing As1
1K***72Locknut Horn To Guard2
1U***59Pin(63.5mm Dia)2
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9j-8926 Tooth Gp-Ripper -Curved

D6R II serial number reference

The PIN plate is riveted to the main frame, typically on the right-hand side near the front of the machine below the cab/fuel-tank area; a duplicate stamped reference may also appear on the frame rail. Read the first three letters of the serial number as the machine's serial prefix - it ties the unit to a specific factory build batch (STD/XL/LGP, steering type). The digits that follow are the sequential unit number within that prefix.

PrefixIdentifies
S6XD6R Series II - STD/XL/LGP (early production)
S6TD6R Series II - STD/XL/LGP (early production)
S6YD6R Series II - STD/XL/LGP (early production)
JEND6R Series II - XL
EMMD6R Series II - STD
SSSD6R Series II - STD (later production)
TTTD6R Series II - XL (later production)
PPPD6R Series II - LGP
AAXD6R Series II - XL, Differential Steering
AEPD6R Series II - general
BLED6R Series II - general
BRJD6R Series II - general
BMKD6R Series II - Finger Tip Control (FTC)
AFMD6R Series II - XL, Differential Steering
AGMD6R Series II - FTC
CADD6R Series II - FTC, XL
BNLD6R Series II - Differential Steering, STD and LGP
BRED6R Series II - Differential Steering, XL and XW
BPMD6R Series II - Differential Steering, XL
FDTD6R Series II - general
BNCD6R Series II - LGP and XW
DAED6R Series II - LGP/XW
BPZD6R Series II - general
BPSD6R Series II - FTC, XL
AEMD6R Series II - general
ADED6R Series II - general
ACJD6R Series II - FTC, LGP

Frequently asked questions

What engine does the Caterpillar D6R Series II use?

The D6R Series II uses the Cat C9: an 8.8 L, six-cylinder, turbocharged-and-aftercooled diesel with HEUI hydraulic-electronic unit injection. This replaced the mechanically governed Cat 3306 used in the original D6R. Net power runs about 130 kW (175 hp) on Standard configuration and around 145 kW (195 hp) on XL/XW/LGP configurations, with gross ratings in the 144 to 163 kW (193 to 219 hp) range depending on configuration. Later production of this same Series II generation received an ACERT-tuned update to the C9 before the formally separate Series III arrived.

What is the operating weight of the Caterpillar D6R Series II?

Operating weight depends heavily on configuration and blade. Standard builds run about 18,200 to 18,700 kg (40,200 to 41,100 lb) depending on blade fitted; XL runs around 20,100 kg (44,300 lb); LGP runs around 21,700 kg (47,900 lb); and XW/six-way-blade configurations run higher still, up to roughly 23,000 kg (50,800 lb). Always confirm against the machine's own configuration plate.

What replaced the Caterpillar D6R Series II?

The D6R Series III replaced it directly, using a Tier 3/Stage IIIA-certified ACERT version of the C9 engine on the same D6R chassis and blade family. Caterpillar later moved on to the all-new D6T platform as the next-generation medium dozer.

What D6R II owners discuss

What engine does the D6R Series II use, and is it different from the earlier D6R?
The D6R Series II moved away from the mechanically governed Cat 3306 fitted to the original D6R and uses the Cat C9, a HEUI-injected six-cylinder that Caterpillar later updated with ACERT electronic controls on this platform. Owners say the switch gave smoother power delivery and met tighter emissions rules, but added complexity: the C9's high-pressure oil pump (HEUI) and electronically controlled injectors are more sensitive to fuel and oil cleanliness than the older mechanical 3306. Some longtime 3306 operators feel the C9 trades fuel savings for higher injector and pump repair bills over the life of the machine; others report long trouble-free runs when fuel and oil filtration are kept up. Have your dealer verify which C9 variant (HEUI or ACERT) is fitted to a given serial range before ordering parts.
What's the most commonly reported drivetrain complaint on the D6R II?
Delayed or slipping gear engagement tops the list in owner and mechanic discussions. The causes cited most often are worn transmission clutch packs, weak or contaminated transmission oil, and faulty solenoids in the transmission control valve. Some owners report main clutch pressure that looks fine at low idle but falls off sharply once engine rpm comes up, which points to a control-valve or supply problem rather than the clutch packs themselves. Loss of first-gear engagement comes up often enough that checking the transmission control linkage and the wiring harness at the back of the transmission housing is a standard first step. Have a dealer technician pressure-test the transmission clutches before condemning parts.
How does the D6R II steer, and does that affect the hydraulics?
The D6R II uses a differential steering system, not the clutch-and-brake steering of older D6-family dozers. A hydraulically actuated planetary differential keeps power flowing to both tracks through a turn, controlled from a single steering lever that also handles directional and gear shifts. Because the blade hydraulics and the differential steering draw from a shared hydraulic supply on these machines, some operators note that running the blade hard while steering aggressively can momentarily soften steering response. That is a known trait of the system rather than a fault, but steering that stays sluggish or heavy afterward should still go to a technician.
Are there known hydraulic system issues on D6R Series II machines?
Some Series II machines, more on certain serial ranges than others, are reported to run hot on hydraulic oil. Mechanics chasing a hot hydraulic system usually start with cooler cleanliness, oil level and condition, and the compensator/relief settings on the variable-displacement piston pump before assuming the pump itself is worn. Blade or ripper drift that gets progressively worse points to cylinder rod seal wear rather than a valve fault in most documented cases. Persistent overheating that survives a cooling-system clean and fluid change should go to a dealer for pump and relief-valve diagnosis.
What electrical and sensor faults come up most in D6R II troubleshooting?
Intermittent dash warning lights and erratic transmission speed-sensor fault codes are the most discussed electrical issues. Technicians trace many of these to corroded or loose connectors, particularly one near the back of the gauge cluster and harness runs near the transmission housing, rather than to the sensors themselves. One documented cause of a persistent speed-sensor code is the intermediate- and output-speed-sensor wiring being swapped during a prior repair, which produces a code that goes inactive only in certain gears. Basic wiring inspection and connector cleaning clear a large share of reported sensor faults before any sensor or module needs replacing.
What should undercarriage inspection focus on for this machine type?
Track tension is the single biggest owner-controllable factor in undercarriage life on any conventional crawler dozer, D6R II included. A commonly used reference is roughly 50 mm (2 in) of sag, plus or minus about 6 mm (1/4 in), measured at the lowest point between sprocket and front idler after rolling the machine forward and letting it coast to a stop. Running tracks too tight is described as increasing wear as much as 50 percent by loading bushings against sprocket teeth and links against idlers harder than intended. On a used machine, uneven sprocket-tooth wear, flat-spotted idlers and rollers, and worn link/bushing pitch are worth more attention than the hour meter alone, since duty cycle affects undercarriage life far more than it affects the engine.
What should a buyer check before purchasing a used D6R II?
Put the undercarriage first: sprockets, idlers, rollers, and chain wear are costly to replace and not obvious to an untrained eye. Run the machine under load and watch smoke color, power loss, and whether the blade and ripper move smoothly and hold position without drifting down. Check the dash for active fault codes, cycle every gear to confirm clean, prompt engagement in forward and reverse, and look underneath at the swing-frame pivot area and final drives for leaks. Pressure-test the hydraulic and transmission systems with a gauge rather than judging by feel, since gradual power loss under load often means internal pump or clutch wear that isn't visible from the seat. Because C9-engined Series II machines carry a known HEUI pump/injector wear risk, ask for recent fuel and oil sample results and have a dealer verify engine health, transmission clutch pressures, and hydraulic pump output before buying.

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

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