Caterpillartrack-type tractor
Caterpillar D8R
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar D8R is a large track-type tractor (crawler dozer) built from 1996 into the early 2000s, sitting between the D7 and D9 in Cat's traditional large-dozer line. It runs the Cat 3406C turbocharged-and-aftercooled diesel, an inline-six rated near 245 kW (328 hp) gross and about 228 kW (305 hp) net at the flywheel. Operating weight varies with configuration — roughly 33,500 to 38,700 kg (about 73,900 to 85,300 lb) — across Standard, LGP (low ground pressure), and suspended or non-suspended undercarriage builds. Cat offered it with angling, semi-universal, and universal blades plus single- or multi-shank ripper options. It replaced the D8N (built 1987 to 1996) and carried forward the elevated-sprocket undercarriage and torque-divider power train design that generation introduced.
Compared to the D8N, the D8R added electronic engine and transmission management, differential steering for smoother direction control under load, and a refined bogie suspension on suspended-undercarriage builds. In 2000 Cat revised the nameplate to the D8R Series II, moving to the 3406E engine, before the ACERT-powered D8T took over the platform in 2004 — so a bare "D8R" listing without "Series II" points to this earlier, 3406C-powered generation. In the used and parts market, that makes the D8R a common, comparatively affordable large dozer: a sizable population built through the late 1990s keeps parts, rebuilt torque dividers, and undercarriage components in circulation, and its mechanically simpler fuel system (versus later electronic-injection ACERT engines) keeps field diagnosis and component exchange straightforward for independent shops.
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 D8R specifications
Engine
| Base D8R engine | Cat 3406C, four-stroke, turbocharged and aftercooled diesel with direct-injection fuel system. Straight-6 layout with a steel spacer between block and head, oil-cooled pistons and full-length water-cooled cylinder liners. |
| D8R Series II engine | Cat 3406E, turbocharged and aftercooled diesel with electronic unit injection (EUI). Same basic block architecture as the 3406C, updated with electronic fuel control for lower combustion noise and emissions. |
| Bore x stroke | 137 mm x 165 mm (5.4 in x 6.5 in) on both the 3406C and 3406E. |
| Displacement | 14.6 L (893 cu in), same for 3406C and 3406E. |
| Gross power, base D8R (3406C) | 245-252 kW (328-338 hp). Cat literature quotes different figures depending on whether the rating is taken at 2100 rpm rated speed (245 kW/328 hp, ISO 14396) or at the peak of the power curve near 1900 rpm (252 kW/338 hp). Treat as the same engine rating expressed two ways. |
| Net/flywheel power, base D8R (3406C) | 228 kW (305 hp) at 2100 rpm rated engine speed (ISO 9249/SAE net). Torque rise is about 55%. |
| Gross power, D8R Series II (3406E) | 252 kW (338 hp) at 2000 rpm. |
| Flywheel/net power, D8R Series II (3406E) | 231 kW (310 hp) at 2000 rpm, per ISO 9249 and EEC 80/1269. |
| Altitude derating | No derating required up to roughly 2286-3800 m (7,500-12,500 ft) depending on the spec-sheet edition consulted; beyond that automatic derating applies. Treat the exact ceiling as approximate. |
| Emissions | The 3406C on the base D8R was built to meet the EPA, European Union and (on later production) California Air Resources Board requirements in effect for its era. The 3406E on the Series II meets the EPA, EU and Japan Ministry of Construction standards current at its introduction through electronic fuel control. |
| Torque divider / driveline | Single-stage torque converter with output torque divider on both series: about 70% of engine torque passes through the converter and 30% through a direct drive shaft, improving driveline efficiency and torque multiplication. A freewheel stator on the Series II improves efficiency under light drawbar load. |
Weights
| Operating weight, Standard/suspended undercarriage (3406C) | About 37,576-37,920 kg (82,850-83,600 lb) depending on equipment package (blade, ripper, cab, air conditioning). |
| Operating weight, Non-Suspended undercarriage (3406C) | 36,246 kg (79,917 lb). |
| Operating weight, LGP non-suspended (3406C) | 33,725 kg (74,363 lb); this figure excludes a single-shank ripper. |
| Shipping weight, Standard/suspended (3406C) | About 27,416-28,365 kg (60,454-62,534 lb) depending on spec-sheet edition. |
| Shipping weight, Non-Suspended (3406C) | 26,087 kg (57,521 lb). |
| Shipping weight, LGP non-suspended (3406C) | 27,743 kg (61,172 lb). |
| Operating weight, D8R Series II (3406E) | About 37,835-38,113 kg (83,400-84,024 lb) with an 8SU blade and ripper fitted, varying by ripper type; headline catalog figure is 37,875 kg (about 83,500 lb). |
| Shipping weight, D8R Series II (3406E) | 29,575 kg. |
| Weight basis note | Operating weight figures include lubricants, coolant, a full fuel tank, standard track, ROPS/cab, hydraulic controls, a dozer blade, single-shank ripper and operator, as equipped; shipping weight omits the operator and most of the fuel load. |
Dimensions
| Track gauge, Standard/Non-Suspended | 2082 mm (82.0 in / 6 ft 10 in). |
| Track gauge, LGP | 2337 mm (92.0 in / 7 ft 8 in). |
| Width over trunnions, Standard/Non-Suspended | 3050 mm (120.1 in / 10 ft). |
| Width over trunnions, LGP | 3370 mm (132.7 in / 11 ft 1 in). |
| Width without trunnions (standard shoe) | 2642 mm (104.0 in / 8 ft 8 in) Standard/Non-Suspended; 3302 mm (130.0 in / 10 ft 10 in) LGP. |
| Machine height from grouser tip (exhaust stack) | About 3499-3505 mm (137.7-138.0 in) depending on configuration; OROPS about 3503-3509 mm, EROPS about 3492-3498 mm. |
| Length of basic tractor (trunnion to rear grouser tip) | 4554 mm (179.3 in / 14 ft 11 in), consistent across Standard, Non-Suspended and LGP. |
| Length of track on ground | 3206 mm (126.2 in) Standard/suspended; 3258 mm (128.3 in) Non-Suspended and LGP. |
| Ground clearance | About 528 mm (20.8 in) Standard/suspended and 519 mm (20.4 in) Non-Suspended/LGP, per the majority of catalog editions; at least one printing shows a higher figure for the same machine, so treat this as approximate. |
| Grouser height / track pitch | Grouser height 78 mm (3.1 in); track pitch 216 mm (8.5 in), same across configurations. |
| Standard track shoe width | Reported as either 560 mm (22 in) moderate-service or 610 mm (24 in), depending on the catalog edition and order specification; treat as configuration-dependent rather than a single fixed figure. |
| LGP track shoe width | 965 mm (38 in). |
| Ground contact area, standard shoe | About 3.58-3.63 m2 (5,554-5,632 sq in) Standard/Non-Suspended; 6.3 m2 (9,746 sq in) LGP. |
| Attachment length additions | Adding a blade or ripper lengthens the basic tractor: SU blade about 1844 mm (72.6 in), Universal blade about 2241 mm (88.2 in), Angle blade about 2027 mm (79.8 in, more if angled), single-shank ripper roughly 1520-1600 mm (about 60-63 in), multi-shank ripper roughly 1610-1620 mm (about 63.5-64 in), rigid drawbar about 406 mm (16.0 in). |
Performance
| Travel speeds, base D8R (3406C), forward | 1st 3.5 km/h (2.2 mph), 2nd 6.2 km/h (3.9 mph), 3rd 10.8 km/h (6.7 mph). |
| Travel speeds, base D8R (3406C), reverse | 1st 4.7 km/h (2.9 mph), 2nd 8.1 km/h (5.0 mph), 3rd 13.9 km/h (8.6 mph). |
| Travel speeds, D8R Series II (3406E), forward | 1st 3.4 km/h, 2nd 6.0 km/h, 3rd 10.6 km/h. |
| Travel speeds, D8R Series II (3406E), reverse | 1st 4.5 km/h, 2nd 7.9 km/h, 3rd 13.8 km/h. |
| Transmission | Planetary power-shift transmission with three speeds forward and three reverse, paired with Caterpillar differential steering controlled by a single tiller. The Series II adds electronic clutch pressure control for smoother shift modulation, auto-shift and auto-kickdown. |
| Drawbar pull characteristic | Cat's published drawbar-pull-versus-speed curve shows the highest pull in 1st gear at low travel speed, falling off steeply as speed increases; pull is progressively lower in 2nd and 3rd gear. No single peak drawbar-pull tonnage is stated in the catalog text; usable pull depends on the operating weight and track traction of the machine as equipped. |
| Gradeability | Not documented in the available factory literature for this model; confirm with a dealer or the operation and maintenance manual if a specific maximum-grade figure is needed. |
| Ground pressure, Standard (suspended) shoe | About 0.92 kg/cm2 (13.1-13.8 psi), same for the base D8R and Series II. |
| Ground pressure, Non-Suspended | About 0.87 kg/cm2 (12.4 psi). |
| Ground pressure, LGP | About 0.54 kg/cm2 (7.6 psi). |
| Hydraulic pump output, implement circuit | Roughly 228-239 L/min (63-63.1 gal/min) at rated engine speed, figures vary slightly by series and pressure test point. |
| Hydraulic pump output, steering circuit | Roughly 285-300 L/min (75-79 gal/min) depending on series. |
| Hydraulic relief pressures | Bulldozer lift/tilt and ripper lift/pitch circuits are set around 24,100 kPa (3,500 psi); the steering circuit runs higher, roughly 38,000-39,200 kPa (about 5,500-5,700 psi). |
| Single-shank ripper penetration/pryout force | Maximum penetration force roughly 120-127 kN (about 27,000-28,600 lbf); pryout force roughly 223-281 kN (about 50,000-63,200 lbf), varying by catalog edition. |
| Multi-shank ripper penetration/pryout force | Maximum penetration force roughly 117-125 kN (about 26,600-28,000 lbf); pryout force roughly 228-303 kN (about 51,200-68,100 lbf), varying by catalog edition. |
Blades
| 8SU (Semi-Universal) | Capacity 8.7 m3 (11.4 cu yd); width 3937 mm (12 ft 11 in); height 1690 mm (5 ft 7 in); weight about 4570 kg. Built for tough, tightly packed material where penetration matters more than capacity. |
| 8U (Universal) | Capacity 11.7 m3 (15.3 cu yd); width 4262 mm (14 ft 0 in); height 1740 mm (5 ft 9 in); weight about 5135 kg. Suited to moving large loads of lighter, more easily dozed material over longer distances. |
| 8A (Angle) | Capacity 4.7 m3 (6.1 cu yd); width 4978 mm (16 ft 4 in); height 1174 mm (3 ft 10 in); weight about 5099 kg. Used for side-casting, backfilling and utility work; available with dual tilt cylinders in place of tilt braces. |
| 8SU LGP | Capacity 8.5 m3 (11.1 cu yd); width 4400 mm (14 ft 5 in); height 1612 mm (5 ft 3 in); weight about 4850 kg. |
| Blade construction and controls | Box-section moldboard construction. Cutting edges are DH-2 grade steel with DH-3 grade end bits for wear resistance. A single control lever operates all blade movements, including the optional dual-tilt feature. Blade capacities are rated to SAE J1265 practice. No S or VPAT blade option is offered on this model; those belong to other Cat dozer lines. |
Service capacities
| Fuel tank | 625 L (165 gal), consistent across the base D8R and Series II. |
| Cooling system | About 92-94 L (24.3-24.8 gal), depending on series. |
| Engine crankcase (oil) | About 32.5 L (8.6 gal) on the base D8R (3406C); about 37 L on the Series II (3406E). |
| Power train / transmission case | About 144 L (38 gal) on the base D8R; about 155 L on the Series II. |
| Final drive, each side | About 13.5-14 L (3.6-3.7 gal) on the base D8R; about 12.5 L on the Series II. |
| Pivot shaft compartment | 40 L (about 10.6 gal), consistent across editions and series. |
| Hydraulic/implement tank | 72 L (19 gal), consistent across the base D8R and Series II. |
| Coolant type | Caterpillar Extended Life Coolant (ELC) standard, extending service intervals versus conventional coolant. |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D8R fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Approx. 32.5 L (8.6 US gal) on the base D8R (Cat 3406C engine); approx. 37 L (9.8 US gal) on the D8R Series II (Cat 3406E engine). The two generations use different oil pan/sump hardware, so figures differ by engine, not just by config. | Cat DEO (Diesel Engine Oil) meeting API CD through CH-4 performance, graded by climate: SAE 30 for steady warm-climate work, SAE 10W-30 or 15W-40 multigrade across a broad ambient range (roughly -18 C/0 F to 40 C/104 F), and SAE 10W or a 0W multigrade for cold-start climates below -18 C (0 F). |
| Cooling system | Approx. 92-95 L (24-25 US gal). The D8R Series II runs slightly higher due to its two-pass Advanced Modular Cooling System (AMOCS); the base D8R sits at the low end of that range. | Cat ELC (Extended Life Coolant/Antifreeze), premixed, standard factory fill. Conventional heavy-duty coolant/antifreeze with a supplemental coolant additive (SCA) on the standard maintenance schedule is an accepted alternative, but the two coolant families must not be mixed or cross-topped. |
| Fuel tank | 625 L (165 US gal), consistent across the base D8R and D8R Series II. | No. 2-D diesel fuel per ASTM D975 (or equivalent EN590 diesel), cetane number 40 or higher. Switch to a winterized blend or No. 1-D fuel in cold climates to control cold-flow and wax issues. |
| Power train - powershift transmission, bevel gear and steering-clutch/differential-steering compartment (combined) | Approx. 144 L (38 US gal) on the base D8R; approx. 155 L (41 US gal) on the D8R Series II. Cat's refill chart treats the transmission, bevel gear and steering hardware as one shared compartment on this elevated-sprocket tractor rather than listing separate fills for each. | Cat TDTO (Transmission and Drive Train Oil) meeting the Cat TO-4 performance spec. SAE 30 is the typical factory-fill grade for temperate climates (0 C to 35 C / 32 F to 95 F); SAE 10W for colder starts down to about -20 C (-4 F); SAE 50 for sustained hot-climate operation; multigrade TDTO-TMS extends the usable range down to about -15 C (5 F). |
| Final drives (each side) | Approx. 12.5-14 L (3.3-3.7 US gal) per side; figure varies slightly by series/configuration. | Cat FDAO (Final Drive Axle Oil, Cat FD-1 spec), factory-filled at SAE 60 grade, is preferred for the elevated final-drive housings on this tractor family. Cat TDTO (TO-4) is an accepted alternative and is required instead of FDAO if the housing shares oil with any wet-clutch or brake friction material. Grade drops to lighter multigrade oils for cold starts and stays at straight SAE 50-60 for sustained hot, continuous-duty work. |
| Hydraulic system / tank | Approx. 72 L (19 US gal) tank-only refill, feeding both the differential-steering pump and the separate implement/attachment pump from one tank. Total fluid held in the system including lines and cylinders runs higher, roughly 140-150 L (37-40 US gal). | Cat TDTO or Cat HYDO hydraulic oil, graded by ambient temperature: SAE 10W for cold climates down to about -20 C (-4 F), SAE 30 for temperate service, SAE 50 for sustained hot-climate work. |
| Pivot shaft compartment (equalizer bar / elevated final-drive pivot shaft housing) | Approx. 40 L (10.6 US gal) per the D8R Series II refill chart. The base D8R shares the same elevated-sprocket undercarriage architecture, so a similar figure is expected, though it isn't separately confirmed for that generation. | Cat TDTO, graded the same way as the power train (SAE 10W to SAE 50 by climate), matching the lubricant called out for the track-roller-frame recoil-spring and pivot-shaft-bearing points on this tractor family. |
| Grease - chassis, track and attachment pivot points | Applied through grease fittings on a scheduled interval (roughly every 50 hours) across the blade linkage, ripper, steering linkage and undercarriage pivot points; this is a service point, not a sump or reservoir fill. | Cat Multipurpose Grease, NLGI grade 2, for general chassis and linkage pins. For extreme-pressure/high-impact points such as track pins and bogie/equalizer-bar pin joints, a moly-fortified EP grease (Cat's period product line: Cat Advanced 3Moly Grease, NLGI 2) is preferred. In cold climates, step down to a softer NLGI 1 or 0 grade to keep the grease pumpable well below freezing. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar D8R maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
| Every 6,000 h |
|
Servicing the D8R beyond the schedule
Predictive Maintenance & Fluid Analysis
Run S·O·S oil sampling every 250 hours on the 3406C engine, transmission, and differential-steering hydraulics — the torque divider blends converter and direct-drive oil paths, so early metal counts flag clutch-pack wear before it strands the machine mid-cut. Sample final-drive oil separately at each elevated-sprocket housing since that wear signature stays isolated from the main transmission. Track-pitch measurement on suspended-undercarriage machines catches abnormal bogie wear before bushings turn and pins gall.
Corrective & Common Repairs
Transmission lockup and delayed gear engagement under load are the D8R's signature complaint — check main relief pressure and torque-divider clutch packs before condemning the valve body. Differential steering runs off its own dedicated pump; sluggish or uneven turns often trace to that circuit rather than the main transmission. Elevated-sprocket final drives keep drive components out of ground debris but still weep seals with age — inspect drain plugs and housing joints on schedule instead of waiting for a low-oil warning.
Overhaul & Rebuild Points
Major 3406C overhauls typically bundle turbocharger reconditioning with liner, bearing, and injector renewal — treat the turbo as wear-linked to the top end rather than a standalone fix. Transmission and torque-divider rebuilds call for full clutch-pack and rotating-group replacement once oil-sample trends show wear metal, not a partial reseal. Bogie pins and elevated-sprocket final-drive housings are the other big-ticket items on high-hour machines — budget them together, since undercarriage wear accelerates fast once bogie clearance opens up.
Seasonal & Environment Servicing
Cold starts on the 3406C benefit from ether-assist and a full glycol/coolant concentration check before winter — the turbocharged-aftercooled setup is slower to build boost in low ambient temps. In hot, dusty applications, clean the radiator and hydraulic-oil-cooler fins daily; the elevated-sprocket layout keeps final drives above ground-level abrasives, but the cooling package still loads up fast in quarry or land-clearing dust. LGP-configured units suit soft, wet ground; Standard-undercarriage machines hold up better on rock and heavy ripping work.
D8R common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 129-0372 | Filter As-Water Sep & Fuel | Fuel system service | Check fitment → |
| 4N-8227 | Cord As-Heater Element | Scheduled service item | Check fitment → |
| 6T-3764 | Element As-Jacket Water Heater | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D8R fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CID 1600-05 | Engine cooling fan push solenoid circuit open (one side of the reversing fan drive control). | Broken or disconnected fan solenoid wiring, corroded connector, blown fuse, or a failed solenoid coil. | Check the solenoid connector and harness for damage, bench test coil resistance, repair wiring or replace the solenoid if the circuit reads open. |
| CID 1599-05 | Engine cooling fan pull solenoid circuit open (companion side of the reversing fan drive control). | Same failure pattern as the push solenoid: open wiring, bad connector, or a failed solenoid coil on the pull side. | Inspect wiring and connector, bench test the solenoid, repair or replace; fan may stop reversing or default to one direction until fixed. |
| Transmission lever position sensor - signal out of range | Powertrain control sees the direction/speed lever signal outside its valid range, or the lever sat between NEUTRAL and a forward/reverse detent longer than normal. | Worn or misadjusted lever position sensor, chafed harness, corroded connector pins, or a sticking shift linkage. | Return the lever to NEUTRAL to clear the lockout, check sensor adjustment and wiring continuity, replace the sensor if it still reads out of range. |
| CID 0110-00 | Engine coolant temperature reading above the normal operating range. | Low coolant level, blocked or fouled radiator core, weak or stuck fan drive, thermostat stuck closed, or a faulty temperature sensor. | Check coolant level and radiator for debris, confirm fan operation, verify sensor reading against a manual gauge before replacing the sensor. |
| CID 0100-01 | Engine oil pressure below the normal operating range. | Low oil level, worn oil pump, plugged suction screen or filter, or a failed oil pressure sensor/wiring. | Shut engine down, check oil level and filter condition, confirm pressure with a mechanical gauge, then test or replace the sensor if readings disagree. |
| CID 0168-01 | System (battery/charging) voltage below the normal operating range. | Weak or failing alternator, loose or corroded battery cables, bad ground strap, or a failing voltage regulator. | Load-test the batteries, check alternator output and belt condition, clean and tighten all ground and power connections. |
| CID 0111-01 | Coolant level sensor reads below the normal fill range in the header tank. | External coolant leak at a hose, radiator, or water pump seal, a blown head gasket, or a faulty level float/sensor. | Inspect for visible leaks and top off with the correct coolant mix, pressure-test the cooling system, replace the level sensor if it still reads low with a full system. |
| Transmission/torque converter oil temperature high | Transmission or torque converter oil temperature runs above the normal band on the gauge; converter outlet temperature is normally only a few degrees Celsius (roughly 9-18 degF) above engine coolant temperature. | Low transmission oil level, a plugged or air-starved transmission oil cooler, a restricted transmission/hydraulic filter, or a slipping clutch generating extra heat. | Check oil level and cooler core for blockage or poor airflow, replace the transmission filter if restricted, and check clutch modulation pressures if overheating persists. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D8R attachments & work tools
Blades
Factory moldboard line-up for the D8R covers Straight (S), Semi-Universal (SU) and Universal (U) types, sized for either the standard or LGP (low ground pressure) undercarriage. SU capacity runs roughly 8.5-8.7 m³ (11.1-11.4 yd³) at a width near 3.9 m (12.9 ft) on standard track gauge, widening to about 4.4 m (14.4 ft) on LGP fit; the U blade steps up to about 11.7 m³ (15.3 yd³) at roughly 4.26 m (14 ft) width for high-volume loose-material pushing. Angling (A) blade arrangements are catalogued for land-clearing/KG-style work; full VPAT (variable pitch-angle-tilt) is a feature Cat markets on the smaller D5/D6-class dozers, so a VPAT fitment on a D8R should be treated as a special or non-standard arrangement rather than a base-catalog option — confirm with a dealer for the exact serial range.
Rippers
Rear ripper choices are adjustable-parallelogram single-shank or multi-shank frames. Single-shank digs deepest, with maximum penetration near 1135 mm (44.7 in) and in-service weight around 4.1 t (9,000 lb); it is offered with a pin puller for cab-adjustable shank depth and/or striker-bar protection. Multi-shank sacrifices depth for wider coverage per pass, penetrating to roughly 780 mm (30.7 in) at about 4.9 t (10,800 lb), and is likewise available with striker bars for rocky or high-impact ground.
Winches
The D8R's powershift, torque-converter driveline supports a PTO-driven towing winch as a rear-mount option, typically fitted in place of or alongside ripper linkage for logging, pipeline and recovery work. Torque multiplication through the converter lets a PTO winch achieve higher sustained line pull than an equivalent hydraulic unit without adding heat load to the machine's own hydraulic system; heavy-duty drum-seal versions permit submerged operation. Winch capacity is duty-dependent — some packages historically offered across the D8R/D8T size class are, in practice, better matched to lighter D7-class pulling loads, so line-pull rating should be picked for the job rather than assumed from base machine size.
Drawbars/Counterweights
Standard rear fitment is a rigid drawbar. Machines running without a ripper can instead carry a rear counterweight and hitch arrangement to help balance the machine when working heavy front attachments. On forestry/waste-handling rear guarding packages the drawbar is built into a striker-bar housing with large access doors, and that housing is counterweight-ready so rear ballast can be added without a separate structural mount.
Cab/ROPS guarding (forestry/waste)
Base cab carries an integrated ROPS/FOPS structure. Forestry and land-clearing duty adds factory sweeps (with a bull-horn option), impact-resistant polycarbonate window guards, and rear/side screens, plus a closed-top canopy extension that shields the cab roof while preserving upward sightlines for tree work; typical factory guard weights run roughly 65-90 kg (140-190 lb) per screen and around 300-310 kg (680 lb) for logging sweeps. Waste-handler (landfill) arrangements reuse the same guarding logic but add bottom- and final-drive shielding plus a debris-tolerant, easy-clean-out cooling package to cope with airborne debris and heat.
Hydraulic arrangement (front/rear tools)
Implement hydraulics run off a dedicated load-sensing implement pump separate from the powershift driveline, with flow in the neighborhood of 300 L/min (79 gal/min) at roughly 24 MPa (3500 psi) relief. Load-sensing meters pump output to actual blade or ripper demand instead of running fixed flow, giving fine control at both ends of the machine. Front (blade lift/tilt/angle) and rear (ripper lift/tilt) functions are routed through separate control valve circuits so both tools can be actuated without one starving the other of hydraulic capacity.
All D8R assemblies by section
Every catalogued assembly group for the Caterpillar D8R. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
103-3716 Indicator Gp-Air Filter Change
| 10***11 | Retainer | 1 |
| 10***16 | Indicator Group-Air Filter Change | 1 |
| 10***16 | Pipe As | 1 |
102-4360 Indicator Gp-Air Filter Change
| 10***60 | Indicator Group-Air Filter Change; -Open Rops | 1 |
| 10***11 | Retainer | 1 |
| 10***16 | Pipe As | 1 |
163-5748 Kit-Precleaner -Turbine Precleaner
| 10***95 | Damper | 2 |
| 16***46 | Pipe As | 1 |
| 16***48 | Kit-Precleaner; (Turbine Precleaner) | 1 |
123-9042 Kit-Precleaner -Custom
| 10***11 | Retainer | 1 |
| 10***13 | Precleaner; (Top) | 1 |
| 10***16 | Pipe As | 1 |
123-9041 Kit-Precleaner -Custom
| 10***11 | Retainer | 1 |
| 10***13 | Precleaner; (Top) | 1 |
| 10***16 | Pipe As | 1 |
123-9039 Precleaner Ar
| 10***16 | Indicator Group-Air Filter Change | 1 |
| 10***95 | Damper | 2 |
| 12***17 | Pipe As | 1 |
123-6615 Precleaner Ar
| 10***60 | Indicator Group-Air Filter Change; -Open Rops | 1 |
| 10***95 | Damper | 1 |
| 12***15 | Precleaner Ar; -Open Rops | 1 |
123-6614 Precleaner Ar
| 10***16 | Indicator Group-Air Filter Change | 1 |
| 10***95 | Damper | 1 |
| 12***14 | Precleaner Ar; -Enclosed Rops | 1 |
163-5758 Precleaner Ar -Custom
| 10***16 | Indicator Group-Air Filter Change | 1 |
| 12***65 | Body As | 1 |
| 12***47 | Dust Ejector Group | 1 |
203-6549 Precleaner Gp -Turbine
| 10***95 | Damper | 2 |
| 13***81 | Precleaner As; -Air Cleaner, Cup, Bearing | 1 |
| 14***69 | Screw-Self-Tapping; (No 10x19.05-mm) | 6 |
Basic Engine
125-8523 Drive Gp-Fan -Belt
| 0S***66 | Bolt-Pulley To Crankshaft Adapter | 4 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 6 |
| 11***36 | Support | 1 |
Cooling System
130-3947 Cooling Ar-Supplemental -Custom
| 10***11 | Drive Group-Fan | 1 |
| 12***23 | Drive Group-Fan; -Belt | 1 |
| 13***47 | Cooling Ar-Supplemental; -Custom | 1 |
178-9316 Core As-Radiator -6 Row
| 17***16 | Core As-Radiator; -6 Row | 1 |
163-4063 Core As-Radiator -6 Row
| 16***63 | Core As-Radiator; -6 Row | 1 |
163-4061 Core As-Radiator -6 Row
| 16***61 | Core As-Radiator; -6 Row | 1 |
163-4064 Core As-Radiator -6 Row
| 16***64 | Core As-Radiator; -6 Row | 1 |
185-7976 Core As-Radiator -6 Row
| 18***76 | Core As-Radiator; -6 Row | 1 |
163-4062 Core As-Radiator -6 Row
| 16***62 | Core As-Radiator; -6 Row | 1 |
124-1472 Fan & Grid Ar -Custom
| 11***58 | Spider As-Fan; (8-Blade) | 1 |
| 12***72 | Fan & Grid Ar; -Custom | 1 |
| 14***60 | Baffle As | 2 |
192-3447 Fan Ar-Ejector -Custom
| 12***21 | Fan Group-Ejector; -Blower | 1 |
| 18***67 | Radiator Ar; -Custom | 1 |
| 19***47 | Fan Ar-Ejector; -Custom | 1 |
128-5020 Fan Ar-Reversible -Custom
| 10***07 | Kit-Connecting Plug; (2-Pin)(Electronic Control) | 1 |
| 11***60 | Switch As-Pressure; (A/C Compressor) | 1 |
| 11***55 | Bearing | 1 |
128-4949 Fan Ar-Variable
| 11***82 | Wire As | 1 |
| 11***61 | Grommet | 1 |
| 11***98 | Bolt; (3/8-16x1-In) | 32 |
124-7521 Fan Gp-Ejector -Blower
| 11***33 | Guard Assem. | 1 |
| 12***21 | Fan Group-Ejector; -Blower | 1 |
| 12***49 | Spider As-Fan; (8-Blade) | 1 |
130-3948 Fan Gp-Ejector -Custom
| 10***11 | Drive Group-Fan | 1 |
| 11***62 | Strip | 2 |
| 11***19 | Fan Group-Blower | 1 |
105-4574 Guard As -Custom
| 09***33 | Pin-Cotter | 2 |
| 10***74 | Guard As; -Custom | 1 |
| 10***66 | Bracket | 2 |
105-4575 Guard As -Custom
| 09***33 | Pin-Cotter | 2 |
| 10***75 | Guard As; -Custom | 1 |
| 10***66 | Bracket | 2 |
129-1382 Radiator Ar -Custom
| 10***22 | Core As-Radiator; (Long) | 7 |
| 10***11 | Drive Group-Fan | 1 |
| 11***62 | Strip | 2 |
189-0967 Radiator Ar -Custom
| 10***22 | Core As-Radiator; (Long) | 7 |
| 10***11 | Drive Group-Fan | 1 |
| 11***62 | Strip | 2 |
217-0007 Radiator Ar -High Ambient Temperature
| 10***22 | Core As-Radiator; (Long) | 7 |
| 11***39 | Core As-Radiator; (Short) | 2 |
| 21***07 | Radiator Ar; -High Ambient Temperature | 1 |
189-0968 Radiator Ar -Custom
| 10***22 | Core As-Radiator; (Long) | 7 |
| 11***62 | Strip | 2 |
| 11***39 | Core As-Radiator; (Short) | 2 |
Electrical And Starting System
111-0342 Alternator Ar-Charging
| 11***42 | Alternator Ar-Charging | 1 |
| 11***76 | Film-Dash; (Panel) | 1 |
| 17***10 | Circuit Breaker As; (80-Ampere) | 1 |
3e-7577 Alternator Gp-Charging
| 10***31 | Fan-Alternator; (11-Blade) | 1 |
| 10***32 | Collar; (Alternator) | 1 |
| 10***56 | Diode As; (Alternator) | 1 |
190-5153 Battery Gp -Cold Weather
| 13***21 | Battery; (12-Volt)(Cold Weather) | 4 |
| 19***53 | Battery Group; -Cold Weather | 1 |
100-5052 Control Gp-Electronic Filter
| 10***52 | Control Group-Electronic Filter; (Hour Meter Filter) | 1 |
| 12***21 | Terminal-Blade; (18-Ga To 22-Ga) | 3 |
| 7N***79 | Socket-Governor Solenoid Wire To Housing | 1 |
112-8117 Control Gp-Switch -Bottom Guards
| 11***11 | Harness As-Wiring; (Remote Control) | 1 |
| 11***15 | Box As | 1 |
| 11***16 | Cover | 1 |
3z-3687 Heater Gp-Jacket Water -Custom
| 3Z***87 | Heater Group-Jacket Water; -Custom | 1 |
| 4N***27 | Cord As-Heater Element; -Jacket Water | 1 |
| 6N***04 | Cap As-Dust; (Jacket Water Heater Elements) | 1 |
8c-9678 Lamp Gp-Dome
| 7N***79 | Socket-Governor Solenoid Wire To Housing | 2 |
| 7N***80 | Pin-Connector; (14-Ga To 18-Ga) | 1 |
| 7N***82 | Housing (Plug) (To Lift Kickout Switch) | 1 |
171-2065 Lamp Gp-Flood
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 15***48 | Lens As; (Floodlight) | 1 |
| 15***52 | Bezel | 1 |
106-8964 Lamp Gp-Flood -Suspended Mount
| 10***64 | Lamp Group-Flood; -Suspended Mount | 1 |
| 10***51 | Screw; (M4x32-mm) | 4 |
| 10***52 | Seal | 1 |
147-0319 Lamp Gp-Flood
| 14***19 | Lamp Group-Flood; -Engine Work, Rh, Lh | 1 |
| 15***48 | Lens As; (Floodlight) | 1 |
| 15***50 | Body As-Lamp | 1 |
116-6790 Lighting Ar
| 11***14 | Bracket Assem. | 6 |
| 11***68 | Guard As | 2 |
| 11***63 | Guard As | 2 |
3e-9169 Suppressor Gp-Electronic
| 3E***69 | Suppressor Group-Electronic | 1 |
| 7N***79 | Socket-Governor Solenoid Wire To Housing | 2 |
| 7N***80 | Pin-Connector; (14-Ga To 18-Ga) | 2 |
7n-8001 Switch Gp-Toggle
| 3L***87 | Lockwasher 7.24mm(.285in.)O.D.; (3.7x7.24x.48mm Thk) | 2 |
| 6T***31 | Nut-Hexagon-(15/32-32 Thd) | 2 |
| 6T***32 | Lockwasher 15.08mm(.59in.)O.D. | 1 |
3e-8680 Switch Gp-Handle
| 2S***18 | Screw-Machine; (6-32x0.625-In) | 2 |
| 3E***80 | Switch Group-Handle; -Dual Tilt Control, Tip Control | 1 |
| 3L***87 | Lockwasher 7.24mm(.285in.)O.D.; (3.7x7.24x.48mm Thk) | 2 |
9g-7641 Switch Gp-Start -Engine, Key
| 6V***62 | Screw-Machine; (8-32x0.31-In) | 4 |
| 7T***99 | Nut-Mounting; (1-32-Thd) | 1 |
| 9B***33 | Lockwasher; (Int'L Tooth) | 4 |
Frame And Body
102-6331 Actuator Gp-Power
| 10***31 | Actuator Group-Power; -Custom | 1 |
| 11***29 | Kit-Seal; (Power Actuator) | 1 |
| 11***81 | Kit-Gear; (Power Actuator) | 1 |
201-4850 Bar Ar-Striker -Single Shank Ripper
| 15***40 | Frame & Bearing As | 1 |
| 20***48 | Frame & Bearing As; -Single Shank Ripper | 1 |
| 20***50 | Bar Ar-Striker; -Single Shank Ripper | 1 |
188-2524 Bar Ar-Striker
| 14***33 | Seal; (42.3-cm Each) | 0 |
| 15***55 | Seal; (34-cm) | 0 |
| 16***17 | Guard | 1 |
1z-0726 Bar Ar-Striker -Custom
| 1Q***75 | Bar Group-Striker; -Non-Suspended Undercarriage | 2 |
| 1Q***79 | Frame As | 2 |
| 1Z***26 | Bar Ar-Striker; -Custom | 1 |
200-4995 Bar Ar-Striker -Multi-Shank Ripper
| 15***61 | Frame As-Ripper | 0 |
| 20***95 | Bar Ar-Striker; -Multi-Shank Ripper | 1 |
| 20***96 | Frame & Bearing As; -Multi-Shank Ripper | 1 |
143-7723 Bar Ar-Striker
| 12***34 | Bar As-Striker; -Rear-Waste Disposal | 1 |
| 14***23 | Bar Ar-Striker | 1 |
| 16***68 | Guard | 1 |
4z-0573 Bar As-Striker -Custom
| 3B***89 | Fitting-Grease; (Fan And Alternator Drive) | 4 |
| 4Z***73 | Bar As-Striker; -Custom | 1 |
| 4Z***84 | Striker As-Rh | 1 |
126-7534 Bar As-Striker -Rear
| 12***34 | Bar As-Striker; -Rear-Waste Disposal | 1 |
| 12***35 | Hinge As; (Door, Rh) | 2 |
| 12***36 | Hinge As; (Door, Lh) | 2 |
4z-0565 Bar As-Striker -Custom
| 3B***89 | Fitting-Grease; (Fan And Alternator Drive) | 4 |
| 4T***51 | Bearing-Sleeve | 4 |
| 4Z***65 | Bar As-Striker; -Custom | 1 |
4z-0568 Bar As-Striker
| 4Z***68 | Bar As-Striker | 1 |
| 4Z***84 | Striker As-Rh | 1 |
| 4Z***85 | Striker As-Lh | 1 |
1q-2375 Bar Gp-Striker -Non-Suspended Undercarriage
| 1Q***75 | Bar Group-Striker; -Non-Suspended Undercarriage | 1 |
| 1Q***76 | Bracket As | 1 |
| 7X***06 | Capscrew; (Hex Head) (1-8x3 G8 Z) | 8 |
199-0819 Bar Gp-Striker -Rear
| 12***35 | Hinge As; (Door, Rh) | 2 |
| 12***36 | Hinge As; (Door, Lh) | 2 |
| 12***84 | Door As; (Rh) | 1 |
1q-3494 Case & Frame Gp
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 4 |
| 10***86 | Valve As-Drain; (Ecology) | 1 |
| 10***87 | Plug-Drain; (Power Train Oil Tank) | 1 |
130-1934 Case & Frame Gp
| 10***86 | Valve As-Drain; (Ecology) | 1 |
| 10***87 | Plug-Drain; (Power Train Oil Tank) | 1 |
| 11***92 | Trunnion | 1 |
116-4613 Case & Frame Gp
| 10***86 | Valve As-Drain; (Ecology) | 1 |
| 10***87 | Plug-Drain; (Power Train Oil Tank) | 1 |
| 11***92 | Trunnion | 1 |
130-2582 Counterweight Gp-Front
| 13***82 | Counterweight Group-Front | 1 |
| 16***87 | Spacer; (40x40x20-mm Thk) | 2 |
| 1J***30 | Bolt; (3/4-10x7.5-In) | 6 |
205-7757 Door Gp-Access -Rh
| 20***57 | Door Group-Access; -Rh | 1 |
| 20***59 | Door As; (Rh) | 1 |
| 2K***73 | Locknut Inside Guard Assembly | 2 |
205-7756 Door Gp-Access -Lh
| 20***56 | Door Group-Access; -Lh | 1 |
| 20***58 | Door As; (Lh) | 1 |
| 2K***73 | Locknut Inside Guard Assembly | 2 |
246-4504 Enclosure Gp-Engine
| 11***99 | Plate Assem.; (R.H.) | 1 |
| 11***01 | Plate Assem.; (L.H.) | 1 |
| 11***08 | Plate; (Rh) | 1 |
200-4996 Frame & Bearing As -Multi-Shank Ripper
| 20***96 | Frame & Bearing As; -Multi-Shank Ripper | 1 |
| 20***97 | Frame As | 1 |
| 3B***89 | Fitting-Grease; (Fan And Alternator Drive) | 4 |
201-4848 Frame & Bearing As -Single Shank Ripper
| 20***48 | Frame & Bearing As; -Single Shank Ripper | 1 |
| 20***49 | . Collar, Frame As | 1 |
| 3B***89 | Fitting-Grease; (Fan And Alternator Drive) | 4 |
8q-1729 Grid Gp-Sand Blast Eroding -Custom
| 11***62 | Bracket | 1 |
| 11***54 | Bracket Assem. | 1 |
| 13***40 | Plate | 2 |
179-4653 Grill Ar-Radiator -Quick Opening Doors
| 10***10 | Door As | 1 |
| 10***11 | Door As | 1 |
| 10***17 | Guard As | 1 |
211-5262 Grill Gp-Radiator
| 10***74 | Hinge As | 4 |
| 13***15 | Pawl-Bottom | 1 |
| 13***16 | Pawl-Top | 1 |
143-7739 Grill Gp-Radiator -Custom
| 10***10 | Door As | 1 |
| 10***11 | Door As | 1 |
| 10***15 | Grill As-Rh | 1 |
143-7732 Grill Gp-Radiator -Quick Open, Dual Tilt
| 06***93 | Spacer | 4 |
| 10***10 | Door As | 1 |
| 10***11 | Door As | 1 |
118-7442 Grill Gp-Radiator
| 06***93 | Spacer | 4 |
| 10***74 | Hinge As | 4 |
| 11***42 | Grill Group-Radiator | 1 |
130-1935 Guard Ar-Bottom
| 10***31 | Actuator Group-Power; -Custom | 2 |
| 10***74 | Cover As | 1 |
| 11***82 | Wire As | 1 |
102-4348 Guard Ar-Final Drive -Custom
| 10***48 | Guard Ar-Final Drive; -Custom | 1 |
| 1Q***77 | Drive Group-Final | 2 |
133-9140 Guard Ar-Final Drive
| 13***40 | Guard Ar-Final Drive | 1 |
| 13***41 | Drive Group-Final | 2 |
| 13***34 | Drive Group-Final | 2 |
159-1952 Guard As-Radiator -Custom
| 15***51 | Guard As-Radiator; -Custom | 1 |
| 15***52 | Guard As-Radiator; -Custom | 1 |
| 3J***89 | Bearing-Sleeve; (Small) | 2 |
118-7441 Guard As-Radiator
| 10***73 | Block | 4 |
| 11***41 | Guard As-Radiator | 1 |
| 12***37 | Guard As-Radiator | 1 |
159-1951 Guard As-Radiator -Custom
| 10***18 | Guard As-Radiator | 1 |
| 14***48 | Plate | 2 |
| 14***11 | Plate | 1 |
1q-3514 Guard Gp-Bottom
| 10***74 | Cover As | 1 |
| 1K***70 | Nut (National Coarse) | 14 |
| 1Q***13 | Guard As | 1 |
159-5984 Guard Gp-Bottom -Heavy Duty
| 10***74 | Cover As | 1 |
| 15***77 | Guard As | 1 |
| 15***78 | Guard As | 1 |
102-4320 Guard Gp-Engine -Custom
| 10***20 | Guard Group-Engine; -Custom | 1 |
| 10***83 | Platform Group | 1 |
| 10***74 | Guard As; -Custom | 1 |
177-4782 Guard Gp-Final Drive -Custom
| 17***74 | Tube As | 2 |
| 17***75 | Tube As | 2 |
| 17***82 | Guard Group-Final Drive; -Custom | 1 |
138-3143 Guard Gp-Final Drive
| 13***85 | Tube As | 2 |
| 13***86 | Tube As | 2 |
| 13***43 | Guard Group-Final Drive | 1 |
150-4106 Guard Gp-Final Drive -Custom
| 13***43 | Guard Group-Final Drive | 1 |
| 15***06 | Guard Group-Final Drive; -Custom | 1 |
| 19***18 | Guard Group-Final Drive | 1 |
217-3208 Guard Gp-Final Drive -Retrofit Kit
| 18***49 | Guard | 4 |
| 18***40 | Cover | 4 |
| 20***08 | Spacer | 4 |
190-6618 Guard Gp-Final Drive
| 18***40 | Cover | 4 |
| 19***18 | Guard Group-Final Drive | 1 |
| 1D***28 | Bolt 8.26 cm(3.25 In.) Long | 16 |
217-3204 Guard Gp-Final Drive -Retrofit Kit
| 18***40 | Cover | 4 |
| 20***10 | Spacer | 4 |
| 20***11 | Guard | 4 |
8e-4205 Guard Gp-Rock -Bulldozer
| 8E***05 | Guard Group-Rock; -Bulldozer | 1 |
| 8E***06 | Guard As-Center | 1 |
| 8E***09 | Guard As-Rh | 1 |
1z-0746 Guard Gp-Seal -Pivot Shaft
| 1Q***02 | Guard Assem. | 4 |
| 1Z***46 | Guard Group-Seal; -Pivot Shaft | 1 |
| 7V***62 | Spacer (21 mm Thk X 25 mm Od) | 16 |
1z-0838 Guard Gp-Seal -Custom
| 1Q***02 | Guard Assem. | 4 |
| 1Z***38 | Guard Group-Seal; -Custom | 1 |
| 7V***62 | Spacer (21 mm Thk X 25 mm Od) | 16 |
255-0670 Seal Gp-Enclosure
| 12***43 | Seal; (70-cm) | 0 |
| 13***02 | Seal; (23-cm Each) | 0 |
| 17***72 | Plate As; (Lh) | 1 |
124-7562 Step Gp
| 12***62 | Step Group; -Radiator Guard | 1 |
| 28***65 | Step As | 1 |
| 28***67 | Plate-Tread | 1 |
Fuel System
141-4547 Filter Gp-Water Sep & Fuel -Custom
| 10***08 | Pump As; (Fuel Priming) | 1 |
| 11***03 | Hose As | 1 |
| 12***57 | Base As-Filter; (Primary Fuel Filter) | 1 |
Hydraulic System
4t-0999 Lever Gp-Control Valve
| 4T***98 | Lever | 1 |
| 4T***99 | Lever Group-Control Valve; -Hydraulic | 1 |
| 4T***92 | Housing | 1 |
9t-8992 Lever Gp-Control Valve
| 4T***92 | Housing | 1 |
| 4T***95 | Bearing | 2 |
| 4T***45 | Ring | 1 |
158-7463 Control Ar-Hydraulic -Custom
| 10***48 | Valve Group-Tilt Control; -Dual | 1 |
| 10***17 | Guard As | 1 |
| 11***25 | Lines Group-Tilt Cylinder; -Waste Handling | 1 |
102-4312 Control Ar-Hydraulic -Custom
| 10***12 | Control Ar-Hydraulic; -Custom | 1 |
| 10***90 | Lines Group-Ripper; -Custom | 1 |
| 10***74 | Linkage Group-Implement; -Custom | 1 |
204-5699 Cylinder Ar-Dual Tilt -Semi-Universal Bulldozer
| 16***62 | Cylinder Group-Tilt; -Bulldozer, Rh | 1 |
| 16***63 | Cylinder Group-Tilt; -Bulldozer, Lh | 1 |
| 20***49 | Lines Group-Tilt Cylinder; -Dual | 1 |
6e-1175 Cylinder Gp-Tilt
| 15***27 | Ring-Backup | 1 |
| 16***11 | Seal As-Buffer | 1 |
| 16***24 | Seal-U-Cup | 1 |
162-0663 Cylinder Gp-Tilt -Lh
| 13***82 | Insert | 1 |
| 13***83 | Plunger | 1 |
| 16***63 | Cylinder Group-Tilt; -Bulldozer, Lh | 1 |
162-0662 Cylinder Gp-Tilt -Rh
| 13***82 | Insert | 1 |
| 13***83 | Plunger | 1 |
| 16***62 | Cylinder Group-Tilt; -Bulldozer, Rh | 1 |
130-4559 Hydraulic Ar -Custom
| 10***59 | Guard-Rh | 1 |
| 10***61 | Guard-Lh | 1 |
| 11***84 | Linkage Group-Implement; -Scraper Hydraulics | 1 |
107-0490 Lines Gp-Ripper -Custom
| 10***90 | Lines Group-Ripper; -Custom | 1 |
| 10***91 | Bracket As | 1 |
| 10***92 | Bracket | 1 |
105-8186 Lines Gp-Ripper -Custom
| 10***86 | Lines Group-Ripper; -Custom | 1 |
| 10***74 | Hose As | 1 |
| 10***75 | Hose As | 1 |
137-6843 Lines Gp-Ripper -Custom
| 13***77 | Shield | 16 |
| 13***91 | Grommet | 8 |
| 13***43 | Lines Group-Ripper; -Custom | 1 |
136-7375 Lines Gp-Scraper -Custom
| 00***15 | Nipple-Pipe; (59.4mm Long) | 6 |
| 03***32 | Strap--Harness Assembly To Compressor | 3 |
| 10***10 | Hose As | 1 |
4z-9210 Lines Gp-Tilt Cylinder
| 11***30 | Hose As | 1 |
| 11***31 | Hose As | 1 |
| 3G***68 | Guard | 1 |
204-5149 Lines Gp-Tilt Cylinder -Dual
| 10***25 | Tube As | 2 |
| 10***26 | Tube As | 2 |
| 11***88 | Tube As | 2 |
216-8305 Lines Gp-Tilt Cylinder
| 19***78 | Hose As | 1 |
| 19***79 | Hose As | 1 |
| 20***96 | Guard | 1 |
159-1950 Lines Gp-Tilt Cylinder -Custom
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 10***04 | Suppressor As-Arc | 2 |
119-5125 Lines Gp-Tilt Cylinder
| 11***25 | Lines Group-Tilt Cylinder; -Waste Handling | 1 |
| 11***53 | Hose As; (91cm) | 1 |
| 11***54 | Hose As; (97cm) | 1 |
4z-6059 Manifold Gp-Hydraulic
| 10***74 | Valve Group-Relief; -Implement Inlet Manifold | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 2 |
| 3J***54 | Packing,Preformed Part Of Kit P/N 5r***27 | 2 |
4z-6061 Pump Gp-Piston -Custom
| 00***69 | Cup-Roller Bearing | 1 |
| 00***71 | Cone-Bearing | 1 |
| 03***27 | Seal-O-Ring; (19.18mm Id) | 1 |
9t-8346 Pump Gp-Piston
| 00***69 | Cup-Roller Bearing | 1 |
| 00***71 | Cone-Bearing | 1 |
| 03***27 | Seal-O-Ring; (19.18mm Id) | 1 |
6e-4216 Rotating Gp-Pump
| 6E***16 | Rotating Group-Pump; -Implement, Steering | 1 |
| 6E***17 | Plate-Limiter | 2 |
| 6E***18 | Plate-Spacer | 2 |
6e-4221 Swashplate Gp
| 13***32 | Block-Stop | 2 |
| 6E***21 | Swashplate Group; -Implement Pump | 1 |
| 8F***19 | Seal (4.47 Degrees I.D.) | 2 |
184-1527 Swashplate Gp
| 16***01 | Swashplate Stop | 2 |
| 18***27 | Swashplate Group; -Implement Pump | 1 |
| 1H***37 | Pin (Spring) | 2 |
9t-8344 Valve Gp-Bank
| 1P***02 | Seal-Rectangular 28.83mm(1.136in) Id | 1 |
| 1P***77 | Flange-Half (For Tilt Ports On Valve) | 14 |
| 1P***78 | Flange; (To 5v***09 Tube Assembly) | 4 |
4z-6060 Valve Gp-Bank 3 -Custom-Bulldozer
| 1P***02 | Seal-Rectangular 28.83mm(1.136in) Id | 1 |
| 1P***77 | Flange-Half (For Tilt Ports On Valve) | 14 |
| 1P***78 | Flange; (To 5v***09 Tube Assembly) | 4 |
4t-5896 Valve Gp-Check
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 4T***71 | Ring-Back-Up | 1 |
| 4T***96 | Valve Group-Check; -Pressure Reducing | 1 |
6e-1359 Valve Gp-Control
| 10***10 | Valve-Check; (Steering) | 1 |
| 10***11 | Plug; (5/16-12 Thd) | 1 |
| 15***24 | Hex Head Plug; (-4sae) (D6r Iii) | 1 |
4z-6058 Valve Gp-Control
| 10***10 | Valve-Check; (Steering) | 2 |
| 10***11 | Plug; (5/16-12 Thd) | 1 |
| 10***12 | Seal | 1 |
9t-8989 Valve Gp-Control
| 10***10 | Valve-Check; (Steering) | 2 |
| 10***11 | Plug; (5/16-12 Thd) | 1 |
| 10***12 | Seal | 1 |
9t-8991 Valve Gp-Control
| 10***10 | Valve-Check; (Steering) | 2 |
| 10***11 | Plug; (5/16-12 Thd) | 1 |
| 10***12 | Seal | 1 |
4t-5541 Valve Gp-Diverter
| 15***44 | Valve Group-Solenoid | 1 |
| 3G***42 | Plug | 1 |
| 4B***58 | Screw (Identification Plate) Mounting | 1 |
6e-6044 Valve Gp-Pump Control -Pressure, Flow Compensator
| 03***27 | Seal-O-Ring; (19.18mm Id) | 1 |
| 03***36 | Seal-O-Ring | 1 |
| 12***32 | Setscrew-Socket; (M8x1.25x45-mm) | 2 |
4z-6040 Valve Gp-Relief
| 2M***80 | Seal--To Connector Pump Outlet | 1 |
| 4K***88 | Seal; Adapter To Oil Pump Outlet Manifold | 1 |
| 4T***72 | Ring-Back-Up | 1 |
104-7574 Valve Gp-Relief
| 10***74 | Valve Group-Relief; -Implement Inlet Manifold | 1 |
| 10***22 | Plug | 1 |
| 4T***05 | Spring | 1 |
9t-7186 Valve Gp-Relief
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 2 |
| 4T***41 | Spring | 1 |
| 4T***71 | Plate | 1 |
4t-1860 Valve Gp-Shuttle
| 14***03 | Seal-O-Ring | 1 |
| 14***04 | Ring-Backup | 2 |
| 14***05 | Ring-Backup | 2 |
3e-9205 Valve Gp-Solenoid
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 15***84 | Locknut; (Special) (5/8-18 Thd) | 1 |
| 16***43 | Washer-Identification; (16.8x38.1x.5mm Thk) | 1 |
152-8344 Valve Gp-Solenoid
| 11***43 | Locknut; (5/16-18-Thd) | 1 |
| 15***43 | Cartridge As-Valve | 1 |
| 15***44 | Valve Group-Solenoid | 1 |
6t-5859 Valve Gp-Solenoid
| 10***70 | Locknut; (1/4-20-Thd) | 1 |
| 1S***93 | Strap; (Cable) (0.62in Dia) | 2 |
| 4B***76 | Washer Generator Line Leads (Use As Required) | 1 |
106-9648 Valve Gp-Tilt Control -Dual
| 10***48 | Valve Group-Tilt Control; -Dual | 1 |
| 1P***76 | Flange-Half (Hose To Pump); Flange-Half (32.54mm Bore) | 6 |
| 1P***77 | Flange-Half (For Tilt Ports On Valve) | 2 |
Implements
4z-0604 Bulldozer Ar-Semi-Universal -Lgp
| 4B***58 | Screw (Identification Plate) Mounting | 2 |
| 4Z***04 | Bulldozer Ar-Semi-Universal; -Lgp | 1 |
| 4Z***40 | Trunnion Group-Bulldozer | 1 |
216-8306 Bulldozer Ar-Semi-Universal -Lgp
| 21***04 | Push Arm Group-Stabilizer; -Semi-Universal Bulldozer | 1 |
| 21***05 | Lines Group-Tilt Cylinder | 1 |
| 21***06 | Bulldozer Ar-Semi-Universal; -Lgp | 1 |
4z-9385 Link Gp-Stabilizer
| 16***07 | Cap-Bearing | 2 |
| 4Z***85 | Link Group-Stabilizer; -Semi-Universal Bulldozer | 1 |
| 4Z***86 | Link As | 1 |
204-5667 Link Gp-Stabilizer
| 16***07 | Cap-Bearing | 2 |
| 20***54 | Link As | 1 |
| 20***67 | Link Group-Stabilizer; -Dual Tilt Cylinder | 1 |
218-9950 Link Gp-Stabilizer
| 11***87 | Lug | 1 |
| 16***07 | Cap-Bearing | 2 |
| 21***50 | Link Group-Stabilizer | 1 |
115-5784 Linkage Gp-Implement -Custom
| 0L***29 | Handle (Hand Throttle) | 1 |
| 10***13 | Film; (Instruction) (Dozer Control) (On Raised Surface To Right Side Of Dozer Control) | 1 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
158-7466 Linkage Gp-Implement -Custom
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***20 | Harness As; (Dual Tilt Control) | 1 |
| 15***64 | Lever As | 1 |
107-0574 Linkage Gp-Implement -Custom
| 10***78 | Film; (Instruction) (Ripper Control) (Cab: On Plastic Cover) (Canopy: On Sheet Metal) | 1 |
| 10***74 | Linkage Group-Implement; -Custom | 1 |
| 10***28 | Hinge | 1 |
4z-0579 Modification Ar-Bulldozer -Universal
| 4Z***79 | Modification Ar-Bulldozer; -Universal | 1 |
| 4Z***47 | Blade & Edge Group-Universal; -Landfill | 1 |
| 9U***85 | Blade & Edge Group; -Universal | 1 |
4z-0578 Modification Ar-Bulldozer -Semi-Universal
| 4Z***78 | Modification Ar-Bulldozer; -Semi-Universal | 1 |
| 4Z***46 | Blade & Edge Group-Semi-Universal; -Landfill | 1 |
| 9U***83 | Blade & Edge Group; -Semi-Universal | 1 |
4z-0580 Modification Ar-Bulldozer -Universal
| 4Z***80 | Modification Ar-Bulldozer; -Universal | 1 |
| 4Z***66 | Blade & Edge Group-Universal; -Landfill | 1 |
| 9U***85 | Blade & Edge Group; -Universal | 1 |
4z-0577 Modification Ar-Bulldozer -Semi-Universal
| 4Z***77 | Modification Ar-Bulldozer; -Semi-Universal | 1 |
| 4Z***67 | Blade & Edge Group-Semi-Universal; -Landfill | 1 |
| 9U***83 | Blade & Edge Group; -Semi-Universal | 1 |
4z-0659 Modification Ar-Bulldozer -Semi-Universal
| 4Z***59 | Modification Ar-Bulldozer; -Semi-Universal | 1 |
| 4Z***07 | Blade & Edge Group-Semi-Universal; -Lgp | 1 |
| 4Z***03 | Blade & Edge Group-Semi-Universal; -Lgp | 1 |
4z-0602 Modification Ar-Bulldozer -Universal
| 4Z***02 | Modification Ar-Bulldozer; -Universal | 1 |
| 4Z***93 | Blade & Edge Group-Universal | 1 |
| 9U***85 | Blade & Edge Group; -Universal | 1 |
8e-6168 Push Arm Gp
| 19***63 | Cap-Bearing | 1 |
| 19***83 | Nut-Square; (M30x3.5-Thd) | 2 |
| 1J***40 | Bearing | 1 |
158-6397 Push Arm Gp
| 15***95 | Push Arm As-Lh | 1 |
| 15***97 | Push Arm Group; -Dual Tilt Cylinder | 1 |
| 15***68 | Guard | 1 |
109-5147 Push Arm Gp
| 10***86 | Push Arm As-Lh | 1 |
| 10***47 | Push Arm Group; -Semi-Universal Bulldozer | 1 |
| 19***63 | Cap-Bearing | 1 |
216-8304 Push Arm Gp-Stabilizer -Semi-Universal Bulldozer
| 10***79 | Eye-Rod | 1 |
| 10***47 | Push Arm Group; -Semi-Universal Bulldozer | 1 |
| 21***04 | Push Arm Group-Stabilizer; -Semi-Universal Bulldozer | 1 |
204-5671 Push Arm Gp-Stabilizer -Dual Tilt Cylinder
| 15***97 | Push Arm Group; -Dual Tilt Cylinder | 1 |
| 20***71 | Push Arm Group-Stabilizer; -Dual Tilt Cylinder | 1 |
| 21***50 | Link Group-Stabilizer | 1 |
4z-9384 Push Arm Gp-Stabilizer -Semi-Universal Bulldozer
| 10***47 | Push Arm Group; -Semi-Universal Bulldozer | 1 |
| 3G***16 | Pin | 2 |
| 4T***34 | Pin | 2 |
4z-9040 Trunnion Gp-Bulldozer
| 4Z***40 | Trunnion Group-Bulldozer | 1 |
| 4Z***41 | Trunnion As | 2 |
| 4Z***43 | Plate | 2 |
Lubrication System
135-8017 Prelubrication Ar-Engine -Custom
| 13***17 | Prelubrication Ar-Engine; -Custom | 1 |
Machine Arrangement
180-2592 Cold Weather Ar -Custom
| 10***82 | Roller Group-Track-Single Flange; -Cold Weather | 8 |
| 10***83 | Roller Group-Track-Double Flange; -Cold Weather | 8 |
| 11***29 | Idler Group-Track; -Rear-Front, Rear | 2 |
102-4373 Cold Weather Ar
| 10***73 | Cold Weather Ar | 1 |
| 10***82 | Roller Group-Track-Single Flange; -Cold Weather | 8 |
| 10***83 | Roller Group-Track-Double Flange; -Cold Weather | 8 |
123-6024 Machine Ar-High Ambient Temp -Custom
| 10***13 | Seat Ar; -Custom | 1 |
| 10***20 | Guard Group-Engine; -Custom | 1 |
| 10***95 | Film-Desert Ar | 2 |
140-5920 Machine Ar-High Ambient Temp -Custom
| 10***13 | Seat Ar; -Custom | 1 |
| 10***20 | Guard Group-Engine; -Custom | 1 |
| 10***95 | Film-Desert Ar | 2 |
246-5227 Machine Ar-High Ambient Temp
| 12***72 | Fan & Grid Ar; -Custom | 1 |
| 15***78 | Guard Group-Bottom | 1 |
| 15***84 | Guard Group-Bottom; -Heavy Duty | 1 |
124-0498 Machine Ar-High Ambient Temp -Custom
| 10***13 | Seat Ar; -Custom | 1 |
| 10***20 | Guard Group-Engine; -Custom | 1 |
| 10***95 | Film-Desert Ar | 2 |
143-7775 Machine Ar-High Ambient Temp -Custom
| 10***74 | Guard As; -Custom | 1 |
| 10***75 | Guard As; -Custom | 1 |
| 10***65 | Block | 2 |
123-6023 Machine Ar-High Ambient Temp -Custom
| 10***13 | Seat Ar; -Custom | 1 |
| 10***20 | Guard Group-Engine; -Custom | 1 |
| 10***33 | Canopy Group; -Sun-Custom | 1 |
140-5919 Machine Ar-High Ambient Temp -Custom
| 10***13 | Seat Ar; -Custom | 1 |
| 10***20 | Guard Group-Engine; -Custom | 1 |
| 10***95 | Film-Desert Ar | 2 |
143-7725 Machine Ar-High Ambient Temp -Custom
| 10***20 | Guard Group-Engine; -Custom | 1 |
| 10***22 | Core As-Radiator; (Long) | 7 |
| 10***95 | Film-Desert Ar | 2 |
140-5921 Machine Ar-High Ambient Temp -Custom
| 10***13 | Seat Ar; -Custom | 1 |
| 10***20 | Guard Group-Engine; -Custom | 1 |
| 10***33 | Canopy Group; -Sun-Custom | 1 |
124-3905 Modification Ar -Custom
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 11***95 | Starting Aid Group-Ether | 1 |
| 12***05 | Modification Ar; -Custom | 1 |
130-3312 Modification Ar-Woodchip -Custom
| 10***74 | Cover As | 1 |
| 10***43 | Lighting Group-Flood; -Front, Fuel Tank | 1 |
| 10***22 | Core As-Radiator; (Long) | 7 |
129-1470 Waste Handling Ar -Custom
| 10***51 | Guard Ar-Idler | 1 |
| 10***43 | Lighting Group-Flood; -Front, Fuel Tank | 1 |
| 11***13 | Case & Frame Group | 1 |
119-4333 Waste Handling Ar
| 10***96 | Film-Waste Handler | 2 |
| 11***42 | Alternator Ar-Charging | 1 |
| 11***41 | Guard As-Radiator | 1 |
129-1275 Waste Handling Ar
| 11***90 | Lighting Ar; -Rops, Fuel Tank | 1 |
| 11***33 | Waste Handling Ar | 1 |
| 12***75 | Waste Handling Ar | 1 |
Operator Station
7t-8714 Heater Gp-Cab
| 10***03 | Air Conditioner Group; Air Conditioner Group | 1 |
| 11***93 | Plate; (Instruction) (On Right Side Behind Cab Door) | 1 |
| 11***04 | Compressor Group-Refrigerant | 1 |
7x-6112 Motor As-Window Wiper
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 18***39 | Pin-Connector; (14-Ga To 18-Ga)(For 14 Gauge Wire) | 2 |
| 31***18 | Valve As-Pressure Relief; (Refrigerant Compressor) | 1 |
7x-1751 Motor As-Window Wiper
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 13***97 | Compressor Group-Refrigerant | 1 |
| 13***98 | Coil Assem. | 1 |
6t-3690 Pressurizer Gp-Cab
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***21 | Motor As; (Air Conditioner, Heater) | 2 |
| 12***29 | Harness As-Heater & Air Cond | 1 |
6t-5005 Window Gp-Cab -Rear
| 5P***76 | Washer Guard To Support Assembly And Guard Assembly | 4 |
| 5P***28 | Capscrew; (Hex Hd) (1/2-13 Unc X 1.00, Gd 8 Z) | 4 |
| 5V***16 | Bar; (Short) | 1 |
7t-1068 Window Gp-Cab -Rh
| 11***81 | Liner-Cab | 1 |
| 17***59 | Tube Assem. | 1 |
| 17***60 | Tube Assem. | 1 |
7t-1069 Window Gp-Cab -Lh
| 5V***62 | Bolt-Shoulder; (7/16-20x1.26-In) | 2 |
| 6W***44 | Seat Group-Suspension; -Vinyl, Low Back | 1 |
| 7T***69 | Window Group | 1 |
6t-8403 Window Gp-Cab -Sliding, Lh
| 11***81 | Liner-Cab | 1 |
| 11***80 | Rollover As | 1 |
| 1P***72 | Spacer; (1.031x1.219x0.75-In Thk) | 4 |
8e-3447 Window Gp-Cab -Sliding, Lh
| 1A***50 | Bolt (7/16-20x1.75in); (7/16-20x1.75-In) | 1 |
| 1L***80 | Bolt; (7/16-20x1.5-In) | 1 |
| 4D***32 | Locknut (7/16-20 Thd) | 1 |
6t-8402 Window Gp-Cab -Sliding, Rh
| 11***82 | Cover Assem. | 1 |
| 12***43 | Liner | 1 |
| 14***44 | Panel | 1 |
8y-6433 Window Gp-Cab -Rh
| 12***17 | Seat Belt Group; -Retractable-Operator | 1 |
| 8Y***74 | Extension Group-Backrest; Backrest Extension Group | 1 |
| 8Y***86 | Seat Group; Seat Gp-Basic (Fabric) (Lumbar) | 1 |
9n-4369 Window Gp-Cab -Rear Sliding
| 10***33 | Plate Assem. | 1 |
| 13***22 | Seat Group-Suspension; -Cloth, Air-Cab | 1 |
| 13***03 | Plate As | 1 |
8e-3446 Window Gp-Cab -Sliding, Rh
| 1A***50 | Bolt (7/16-20x1.75in); (7/16-20x1.75-In) | 1 |
| 4D***32 | Locknut (7/16-20 Thd) | 1 |
| 8E***46 | Window Group-Cab; -Sliding, Rh | 1 |
8y-6420 Window Gp-Cab -Lh
| 06***03 | Shim (.060mm Thk); (1.52-mm Thk) | 4 |
| 09***78 | Pin-Spring | 1 |
| 09***14 | Pin, Clevis | 1 |
6t-5008 Window Gp-Cab -Rear Sliding
| 12***43 | Liner | 1 |
| 14***44 | Panel | 1 |
| 3L***94 | Spacer | 3 |
8y-6446 Window Gp-Cab -Rear
| 15***48 | Seat Belt Group; -Retractable-Operator | 1 |
| 8Y***74 | Extension Group-Backrest; Backrest Extension Group | 1 |
| 8Y***86 | Seat Group; Seat Gp-Basic (Fabric) (Lumbar) | 1 |
3t-7063 Wiper Gp-Window -Front
| 12***24 | Seat Group; -Cloth, Lumbar | 1 |
| 14***04 | Suspension Group-Seat; -Air | 1 |
| 16***25 | Kit-Slider Block; (Seat) | 1 |
3t-7066 Wiper Gp-Window
| 12***62 | Step Group; -Radiator Guard | 1 |
| 1Q***30 | Handle As | 1 |
| 1Q***23 | Handle As | 2 |
6w-8505 Adjuster Gp-Seat
| 4Z***13 | Blade As-Semi-Universal; -Landfill | 1 |
| 6W***05 | Adjuster Group-Seat; -Suspension | 1 |
| 7T***58 | Edge Group-Bit & Cutting; -Semi-Universal-Landfill | 1 |
237-3970 Air Compressor Gp-Seat
| 23***70 | Air Compressor Group-Seat | 1 |
| 4Z***14 | Blade As-Semi-Universal; -Landfill | 1 |
| 7T***58 | Edge Group-Bit & Cutting; -Semi-Universal-Landfill | 1 |
132-1959 Air Conditioner Ar -Custom
| 13***59 | Air Conditioner Ar; -Retrofit | 1 |
| 4Z***15 | Blade As-Universal; -Landfill | 1 |
| 7T***59 | Edge Group-Bit & Cutting; -Universal | 1 |
131-8359 Air Conditioner Ar
| 13***59 | Air Conditioner Ar | 1 |
| 4Z***57 | Edge Group-Bit & Cutting; -Semi-Universal | 1 |
| 4Z***04 | Guard As-Trash; -Semi-Universal | 1 |
151-6965 Air Conditioner Ar -Custom
| 15***65 | Air Conditioner Ar; -Custom | 1 |
| 4Z***16 | Blade As-Universal; -Landfill | 1 |
| 7T***59 | Edge Group-Bit & Cutting; -Universal | 1 |
111-9796 Air Conditioner Ar
| 11***96 | Air Conditioner Ar | 1 |
| 4Z***57 | Edge Group-Bit & Cutting; -Semi-Universal | 1 |
| 4Z***03 | Blade As-Lgp; -Semi-Universal | 1 |
106-4003 Air Conditioner Gp
| 10***03 | Air Conditioner Group; Air Conditioner Group | 1 |
| 4Z***94 | Blade As-Universal | 1 |
| 7T***59 | Edge Group-Bit & Cutting; -Universal | 1 |
6t-3387 Blower Gp-Cab
| 11***66 | Trunnion | 1 |
| 11***06 | Trunnion As | 1 |
| 1U***61 | Plate-Rh | 1 |
151-5608 Cab Ar -Custom
| 11***66 | Trunnion | 1 |
| 11***06 | Trunnion As | 1 |
| 15***08 | Cab Ar; -Custom | 1 |
119-6724 Cab Ar
| 11***24 | Cab Ar | 1 |
| 4Z***13 | Blade As-Semi-Universal; -Landfill | 1 |
| 9W***07 | Plate As-Wear; -Semi-Universal-Landfill | 1 |
119-6728 Cab Gp
| 11***28 | Cab Group | 1 |
| 4Z***15 | Blade As-Universal; -Landfill | 1 |
| 6Y***43 | Plate As-Wear; -Universal | 1 |
6i-9408 Cab Gp
| 4Z***96 | Strap | 4 |
| 4Z***70 | Plate | 4 |
| 4Z***69 | Gusset | 2 |
102-4333 Canopy Gp -Sun-Custom
| 10***33 | Canopy Group; -Sun-Custom | 1 |
| 6Y***43 | Plate As-Wear; -Universal | 1 |
| 8E***26 | Blade As-Universal; -With Rock Guard | 1 |
3e-1906 Compressor Gp-Refrigerant
| 11***06 | Trunnion As | 1 |
| 3E***06 | Compressor Group-Refrigerant | 1 |
| 3G***95 | Plate | 1 |
134-3997 Compressor Gp-Refrigerant
| 13***97 | Compressor Group-Refrigerant | 1 |
| 2J***07 | Nut-Full; (1-8 X38.1 Thd) | 33 |
| 4J***58 | Bolt--Per Change 1 To 7j***85 | 33 |
116-6104 Compressor Gp-Refrigerant
| 11***04 | Compressor Group-Refrigerant | 1 |
| 2J***07 | Nut-Full; (1-8 X38.1 Thd) | 37 |
| 4J***58 | Bolt--Per Change 1 To 7j***85 | 37 |
101-1759 Compressor Gp-Refrigerant
| 10***59 | Compressor Group-Refrigerant | 1 |
| 1U***72 | Pin | 2 |
| 4T***34 | Pin | 2 |
109-9941 Condenser & Mtg Gp-Refrigerant
131-8357 Condenser & Mtg Gp-Refrigerant
| 13***57 | Condenser & Mtg Group-Refrigerant; -Rops Mounted | 1 |
| 17***27 | Gusset | 4 |
| 17***28 | Plate | 2 |
103-9527 Condenser Gp-Refrigerant -With Fans
| 10***27 | Condenser Group-Refrigerant; -With Fans-Rops Mounted-Remote Mounted | 1 |
| 10***77 | Link As | 1 |
| 10***82 | Link & Bearing As | 2 |
116-4093 Conversion Ar
| 11***93 | Conversion Ar; -Rops | 1 |
| 9W***71 | Plate-Wear | 1 |
| 9W***57 | Plate; (Rh) | 1 |
157-7044 Conversion Ar-Open Rops -Custom
| 10***14 | Film-Instruction; (Ripper Control) | 1 |
| 13***77 | Shield | 16 |
| 13***91 | Grommet | 8 |
8y-5874 Extension Gp-Backrest -Cloth
| 01***89 | Bolt; (1/2-13x0.75-In) | 1 |
| 1B***82 | Spacer | 1 |
| 4V***50 | Plate-Slide Track | 1 |
4w-1129 Gauge Gp-Oil Temperature -Hydraulic
| 10***03 | Air Conditioner Group; Air Conditioner Group | 1 |
| 10***41 | Condenser & Mtg Group-Refrigerant | 1 |
| 11***93 | Plate; (Instruction) (On Right Side Behind Cab Door) | 1 |
108-4582 Housing Gp-Seat Suspension
| 10***00 | Fitting As-Air Conditioner; (Quick Disconnect)(Refrigerant) | 1 |
| 10***27 | Condenser Group-Refrigerant; -With Fans-Rops Mounted-Remote Mounted | 1 |
| 10***82 | Housing Group-Seat Suspension | 1 |
9u-8935 Installation Gp-Radio
| 10***03 | Air Conditioner Group; Air Conditioner Group | 1 |
| 10***41 | Condenser & Mtg Group-Refrigerant | 1 |
| 11***93 | Plate; (Instruction) (On Right Side Behind Cab Door) | 1 |
8e-5452 Instrument Gp
| 10***06 | Coil-Evaporator | 1 |
| 1V***13 | Clip (Small) | 1 |
| 2A***11 | Washer; (5.5x12.3x0.8-mm Thk) | 1 |
8y-6400 Latch Gp
| 11***94 | Wheel-Blower; (Ccw) | 1 |
| 11***95 | Wheel-Blower; (Cw) | 1 |
| 1M***30 | Nut And Lock Assem.; (No. 10-32) | 4 |
9u-8930 Liner Gp-Cab
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 13***00 | Clip; (Tab) | 2 |
| 15***70 | Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
111-7260 Lines Gp-Air Conditioner
| 11***60 | Lines Group-Air Conditioner | 1 |
| 11***80 | Rops Group; -Enclosed | 1 |
| 11***16 | Plate-Rops | 1 |
7t-2547 Lines Gp-Heater
| 11***28 | Cab Group | 1 |
| 7T***47 | Lines Group-Heater | 1 |
| 8T***85 | Plate-Warning; (Fops) | 1 |
9p-9392 Mirror Gp-Rear View -Open Rops
| 15***81 | Seal; (510-cm) | 0 |
| 1B***35 | Key-Woodruff | 2 |
| 2D***35 | Locknut (Visor To Bracket) | 8 |
9u-8940 Mirror Gp-Rear View
| 10***37 | Support As | 1 |
| 10***38 | Support As | 1 |
| 10***39 | Support As | 1 |
8e-1130 Mounting Gp-Cab
| 10***47 | Coil Assem. | 1 |
| 7N***79 | Socket-Governor Solenoid Wire To Housing | 1 |
| 7N***80 | Pin-Connector; (14-Ga To 18-Ga) | 1 |
161-6562 Operator Ar -Custom
| 10***59 | Compressor Group-Refrigerant | 1 |
| 11***37 | Bracket | 1 |
| 16***62 | Operator Ar; -Custom | 1 |
108-8421 Pan Gp-Backrest -Lumbar
| 10***21 | Pan Group-Backrest; -Seat Back | 1 |
| 11***37 | Bracket | 1 |
| 1P***82 | Boss | 1 |
8y-5992 Pan Gp-Seat
| 3E***58 | Compressor Group-Refrigerant | 1 |
| 7T***32 | Plug Assem.; (3/8-24) | 1 |
| 8Y***92 | Pan Group-Seat; -Bottom | 1 |
6v-6561 Wiper Pivot Gp
| 10***17 | Bumper | 4 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 12***57 | Shaft | 2 |
104-6383 Platform Gp
| 10***96 | Clip | 2 |
| 10***89 | Accumulator-Air Conditioner, . Gear; Ring | 1 |
| 10***00 | Fitting As-Air Conditioner; (Quick Disconnect)(Refrigerant) | 3 |
105-7534 Platform Gp -Custom
| 10***34 | Platform Group; -Custom | 1 |
| 10***17 | Bracket As | 1 |
| 11***91 | Bracket Assem.; (R.H.) | 1 |
113-4260 Rops Gp
| 11***60 | Rops Group; -Open | 1 |
| 5P***76 | Washer Guard To Support Assembly And Guard Assembly | 3 |
| 8C***36 | Bolt (1/2-13x1.375in); (1/2-13x1.375-In) | 3 |
116-4080 Rops Gp
| 11***80 | Rops Group; -Enclosed | 1 |
| 8Y***77 | Pan As-Extension | 1 |
| 8Y***43 | Cushion Kit; (Consists Of Fastener, Cushion Assem.) | 1 |
102-4313 Seat Ar -Custom
| 10***13 | Seat Ar; -Custom | 1 |
| 3L***87 | Lockwasher 7.24mm(.285in.)O.D.; (3.7x7.24x.48mm Thk) | 3 |
| 4B***43 | Nut,Plain,Hexagon Plate Mtg | 2 |
156-1148 Seat Belt Gp -Retractable
| 09***78 | Pin-Spring | 1 |
| 10***24 | Kit-Indicator; (Weight Adjustment)(Suspension Seat) | 1 |
| 10***79 | Kit-Bumper; (Weight Adjustment)(Suspension Seat) | 1 |
122-4617 Seat Belt Gp -Retractable
| 12***17 | Seat Belt Group; -Retractable-Operator | 1 |
| 14***23 | Plate | 1 |
| 1D***17 | Nut-Plate And Angle Assembly To Hydraulic And Fuel Tanks; Nut Plate And Angle Assembly To Hydraulic And Fuel Tanks | 1 |
154-7152 Seat Gp -Air Suspension-Custom
| 03***91 | Pop - Rivet (To Secure Safety Lable) | 3 |
| 15***52 | Seat Group; -Air Suspension-Custom | 1 |
| 16***78 | Pad | 1 |
8y-5986 Seat Gp -Cloth, Lumbar
| 2N***80 | Screw-Machine; (10-24x0.75-In) | 8 |
| 3E***56 | Washer-Hard; (17.5x30x6-mm Thk) | 4 |
| 3E***01 | Film-Notice; (Radio) | 2 |
125-6224 Seat Gp
| 10***52 | Control Group-Electronic Filter; (Hour Meter Filter) | 1 |
| 12***24 | Seat Group; -Cloth, Lumbar | 1 |
| 12***21 | Harness As | 1 |
131-8422 Seat Gp-Suspension -Cloth
| 00***43 | Elbow 5wd342 - Up Including 5wd329 - 335, 5wd337 - 340 | 1 |
| 13***22 | Seat Group-Suspension; -Cloth, Air-Cab | 1 |
| 3V***83 | Angle | 1 |
6w-9744 Seat Gp-Suspension -Vinyl
| 10***96 | Clip | 2 |
| 10***89 | Accumulator-Air Conditioner, . Gear; Ring | 1 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
8y-6138 Seat Gp-Suspension -Cloth, Lumbar
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***00 | Fitting As-Air Conditioner; (Quick Disconnect)(Refrigerant) | 2 |
| 10***04 | Suppressor As-Arc | 1 |
120-9292 Step & Handhold Ar -Custom
| 12***92 | Step & Handhold Ar; -Custom | 1 |
| 5C***14 | Seal (Use As Required) | 1 |
| 5C***53 | Bolt (M6x1.00x16mm); (M6x1x16mm Thk) | 2 |
108-4082 Suspension Gp-Seat -Contour
| 03***35 | Bolt-Self Locking; 2.22cm(.875 In.) Lg | 8 |
| 10***82 | Suspension Group-Seat; -Contour-Shock Absorber | 1 |
| 3E***44 | Plug | 11 |
149-2404 Suspension Gp-Seat -Air
| 03***35 | Bolt-Self Locking; 2.22cm(.875 In.) Lg | 8 |
| 14***04 | Suspension Group-Seat; -Air | 1 |
| 3E***44 | Plug | 11 |
6w-8502 Suspension Gp-Seat
| 5C***14 | Seal (Use As Required) | 1 |
| 5C***53 | Bolt (M6x1.00x16mm); (M6x1x16mm Thk) | 2 |
| 5P***37 | Washer 5t***54 Plate To 7t***28 Cable As | 2 |
6y-3527 Tank Gp-Window Washer
| 10***86 | Cover | 1 |
| 11***96 | Air Conditioner Ar | 1 |
| 11***60 | Rops Group; -Open | 1 |
127-6361 Washer Gp-Window
| 10***23 | Shaft As-Lumbar | 1 |
| 10***24 | Pan-Lumbar | 1 |
| 12***61 | Washer Group-Window | 1 |
8e-5113 Window Gp-Sliding -Rh
| 10***82 | Suspension Group-Seat; -Contour-Shock Absorber | 1 |
| 14***45 | Kit-Slider Block; (Suspension Seat) | 1 |
| 15***48 | Seat Belt Group; -Retractable-Operator | 1 |
8e-5112 Window Gp-Sliding -Rear
| 03***71 | Capscrew, Csk. Hd., 3/8in.-16 N.C. X 1in. | 2 |
| 10***65 | Pin | 1 |
| 2K***73 | Locknut Inside Guard Assembly | 6 |
8e-5114 Window Gp-Sliding -Lh
| 12***24 | Seat Group; -Cloth, Lumbar | 1 |
| 14***04 | Suspension Group-Seat; -Air | 1 |
| 14***45 | Kit-Slider Block; (Suspension Seat) | 1 |
9u-8938 Wiper Gp-Window
| 02***24 | Locknut; (1/4-20-Thd) | 2 |
| 16***61 | Arm As | 1 |
| 17***21 | Clip | 23 |
Power Train
1q-3056 Axle Gp
| 1Q***56 | Axle Group; -Low Ground Pressure | 1 |
| 1Q***57 | Shaft As-Rh | 1 |
| 1Q***59 | Shaft As-Lh | 1 |
127-2723 Brake & Differential Drive Gp
| 00***34 | Bearing As-Tapered Roller | 2 |
| 03***35 | Bolt-Locking; (5/16-18x0.625-In) | 4 |
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 21 |
107-6687 Brake & Differential Drive Gp -Custom
| 00***34 | Bearing As-Tapered Roller | 2 |
| 03***35 | Bolt-Locking; (5/16-18x0.625-In) | 4 |
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 21 |
6y-3587 Brake & Differential Drive Gp
| 00***34 | Bearing As-Tapered Roller | 2 |
| 03***35 | Bolt-Locking; (5/16-18x0.625-In) | 4 |
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 21 |
107-6688 Brake & Planetary Gp -Custom
| 0S***85 | Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine | 12 |
| 10***88 | Brake & Planetary Group; -Custom | 1 |
| 1A***29 | Bolt (1-1/8") Tube Assembly To Transfer Drive Case | 6 |
127-2724 Brake & Planetary Gp
| 0S***85 | Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine | 12 |
| 12***67 | Carrier-Planetary | 1 |
| 12***24 | Brake & Planetary Group | 1 |
6y-3588 Brake & Planetary Gp
| 0S***85 | Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine | 12 |
| 19***80 | Carrier-Planetary | 1 |
| 1A***29 | Bolt (1-1/8") Tube Assembly To Transfer Drive Case | 6 |
133-9141 Drive Gp-Final
| 03***57 | Bolt; --To Reverse Shaft Bearing Retainer & Forward Shaft Bearing Retainer | 16 |
| 12***07 | Retainer | 2 |
| 12***08 | Seal-Packing | 2 |
143-7736 Drive Gp-Final -Custom
| 03***57 | Bolt; --To Reverse Shaft Bearing Retainer & Forward Shaft Bearing Retainer | 16 |
| 13***88 | Guard | 1 |
| 13***89 | Guard | 1 |
128-0302 Drive Gp-Final
| 03***57 | Bolt; --To Reverse Shaft Bearing Retainer & Forward Shaft Bearing Retainer | 16 |
| 12***02 | Drive Group-Final; -Waste Handling | 1 |
| 13***20 | Hub As-Support | 1 |
138-2034 Drive Gp-Final
| 03***57 | Bolt; --To Reverse Shaft Bearing Retainer & Forward Shaft Bearing Retainer | 16 |
| 13***88 | Guard | 1 |
| 13***89 | Guard | 1 |
1q-2277 Drive Gp-Final
| 03***57 | Bolt; --To Reverse Shaft Bearing Retainer & Forward Shaft Bearing Retainer | 16 |
| 1M***11 | Cup-Roller Bearing | 8 |
| 1M***12 | Cone-Roller Bearing | 8 |
156-5341 Segment Gp-Sprocket
| 15***41 | Segment Group-Sprocket | 1 |
| 17***48 | Segment-Sprocket | 5 |
| 5P***65 | Bolt; (3/4-16x2.5-In) | 25 |
6y-3928 Segment Gp-Sprocket
| 17***48 | Segment-Sprocket | 5 |
| 5P***65 | Bolt; (3/4-16x2.5-In) | 25 |
| 6V***41 | Washer-Hard; (22x38x4-mm Thk) | 25 |
Steering And Braking System
102-4369 Brake Ar -Heavy-Duty
| 10***69 | Brake Ar; -Heavy-Duty | 1 |
| 10***87 | Brake & Differential Drive Group; -Custom | 1 |
| 10***88 | Brake & Planetary Group; -Custom | 1 |
6e-1360 Manifold & Valve Gp
| 10***74 | Valve Group-Relief; -Implement Inlet Manifold | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 2 |
| 3J***54 | Packing,Preformed Part Of Kit P/N 5r***27 | 2 |
9t-9905 Valve Gp-Relief
| 3D***24 | O-Ring - For Oil Drain & Level Plug (Items 3 & 7) | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 2 |
| 4T***70 | Spring | 1 |
Undercarriage
152-6448 Bar As-Equalizer -Custom
| 11***13 | Bearing-Self-Aligning | 2 |
| 13***39 | Bearing-Sleeve | 2 |
| 15***48 | Bar As-Equalizer; -Custom | 1 |
137-6262 Bar As-Equalizer
| 11***13 | Bearing-Self-Aligning | 2 |
| 12***22 | Seal As | 4 |
| 13***39 | Bearing-Sleeve | 2 |
127-8779 Bar Gp-Equalizer
| 12***79 | Bar Group-Equalizer | 1 |
| 14***98 | Bar Group-Equalizer | 1 |
| 2H***45 | Bolt -Generator To Base | 2 |
140-9698 Bar Gp-Equalizer
| 11***13 | Bearing-Self-Aligning | 2 |
| 13***39 | Bearing-Sleeve | 2 |
| 13***31 | Plug | 2 |
9w-9206 Cap Gp-Track Idler
| 1T***68 | Pin (.188" Diameter) | 1 |
| 30***39 | Cap As-Track Idler | 1 |
| 3S***49 | Washer-Hard; (31x52.5x6-mm Thk) | 2 |
9w-9205 Cap Gp-Track Idler
| 1T***68 | Pin (.188" Diameter) | 1 |
| 30***37 | Cap As-Track Idler | 1 |
| 3S***49 | Washer-Hard; (31x52.5x6-mm Thk) | 2 |
6t-1142 Cap Gp-Track Roller -Carrier Roller
| 13***51 | Cap As-Track Roller | 1 |
| 1T***68 | Pin (.188" Diameter) | 1 |
| 5P***49 | Washer (For Non-R.O.P.S. & Rollover Group) | 2 |
126-4233 Cap Gp-Track Roller
| 12***33 | Cap Group-Track Roller | 1 |
| 13***51 | Cap As-Track Roller | 1 |
| 1T***68 | Pin (.188" Diameter) | 1 |
152-6449 Frame Gp-Telescoping Recoil -Custom
| 06***58 | Seal-O-Ring; (Oil Pan Drain Plug) | 6 |
| 11***94 | Bracket As; (Track Roller) | 4 |
| 11***58 | Frame As; (Rh) | 1 |
119-6057 Frame Gp-Telescoping Recoil
| 11***94 | Bracket As; (Track Roller) | 4 |
| 11***57 | Frame Group-Telescoping Recoil | 1 |
| 11***58 | Frame As; (Rh) | 1 |
129-1330 Gauge Ar-Undercarriage
| 11***13 | Bearing-Self-Aligning | 2 |
| 12***30 | Gauge Ar-Undercarriage; -Low Ground Pressure | 1 |
| 13***39 | Bearing-Sleeve | 2 |
166-4428 Guard Ar-Idler -Waste Handling
| 16***23 | Idler Group-Track; -Front | 2 |
| 16***20 | Idler Group-Track; -Rear | 2 |
| 16***28 | Guard Ar-Idler; -Waste Handling | 1 |
166-4427 Guard Ar-Idler -Waste Handling
| 16***20 | Idler Group-Track; -Rear | 4 |
| 16***27 | Guard Ar-Idler; -Waste Handling | 1 |
102-4351 Guard Ar-Idler
| 10***51 | Guard Ar-Idler | 1 |
| 1Q***62 | Idler Group-Track | 2 |
| 1Q***63 | Idler Group-Track | 2 |
102-4355 Guard Ar-Idler
| 10***55 | Guard Ar-Idler | 1 |
| 1Q***63 | Idler Group-Track | 4 |
154-3312 Idler Gp-Track -Custom
| 10***46 | Retainer | 2 |
| 10***47 | Collar-Seal | 2 |
| 10***88 | Ring-Sealing | 2 |
1q-1963 Idler Gp-Track
| 13***12 | Shaft-Truck Idler | 1 |
| 1Q***63 | Idler Group-Track | 1 |
| 1Q***32 | Ring-Retaining | 2 |
166-3323 Idler Gp-Track -Front
| 10***57 | Seal-O-Ring | 2 |
| 15***98 | Bearing-Sleeve | 2 |
| 15***07 | Shaft-Track Idler | 1 |
111-1730 Idler Gp-Track -Front
| 10***46 | Retainer | 2 |
| 10***47 | Collar-Seal | 2 |
| 10***57 | Seal-O-Ring | 2 |
107-9358 Idler Gp-Track -Front
| 10***46 | Retainer | 2 |
| 10***47 | Collar-Seal | 2 |
| 10***57 | Seal-O-Ring | 2 |
143-7735 Idler Gp-Track -Custom
| 10***57 | Seal-O-Ring | 2 |
| 10***88 | Ring-Sealing | 2 |
| 14***35 | Idler Group-Track; -Custom | 1 |
6y-0554 Idler Gp-Track -Rear
| 13***12 | Shaft-Truck Idler | 1 |
| 15***98 | Bearing-Sleeve | 2 |
| 3K***13 | Washer-Hard; (.118mm Thk) | 24 |
111-1729 Idler Gp-Track
| 10***46 | Retainer | 2 |
| 10***47 | Collar-Seal | 2 |
| 10***57 | Seal-O-Ring | 2 |
166-4420 Idler Gp-Track -Rear
| 10***57 | Seal-O-Ring | 2 |
| 15***98 | Bearing-Sleeve | 2 |
| 15***07 | Shaft-Track Idler | 1 |
143-7734 Idler Gp-Track -Custom
| 10***57 | Seal-O-Ring | 2 |
| 10***88 | Ring-Sealing | 2 |
| 14***34 | Idler Group-Track; -Custom | 1 |
1q-1962 Idler Gp-Track
| 13***12 | Shaft-Truck Idler | 1 |
| 1Q***62 | Idler Group-Track | 1 |
| 1Q***32 | Ring-Retaining | 2 |
107-9357 Idler Gp-Track -Rear
| 10***46 | Retainer | 2 |
| 10***47 | Collar-Seal | 2 |
| 10***57 | Seal-O-Ring | 2 |
8e-4517 Link As-Track
| 15***73 | Ring-Thrust | 88 |
| 22***98 | Seal As | 88 |
| 6Y***69 | Ring-Retaining | 88 |
190-6127 Link As-Track -Custom
| 15***73 | Ring-Thrust | 55 |
| 19***27 | Link As-Track; -Custom | 1 |
| 3T***18 | Ring-Retaining | 2 |
8e-4518 Link As-Track
| 15***73 | Ring-Thrust | 88 |
| 19***94 | Pin-Track | 43 |
| 22***98 | Seal As | 88 |
157-0527 Link As-Track -Steel Mill
| 15***27 | Link As-Track; -Steel Mill | 1 |
| 1Q***91 | Spacer | 88 |
| 6Y***14 | Bushing-Track | 44 |
157-7042 Modification Ar-Undercarriage -Custom
| 11***29 | Idler Group-Track; -Rear-Front, Rear | 4 |
| 11***13 | Case & Frame Group | 1 |
| 11***57 | Frame Group-Telescoping Recoil | 1 |
134-0385 Roller & Idler Ar -Custom
| 11***29 | Idler Group-Track; -Rear-Front, Rear | 2 |
| 11***30 | Idler Group-Track; -Front | 2 |
| 13***28 | Roller Group-Track-Single Flange | 8 |
119-7841 Roller Ar-Track Carrier -Retrofit
| 11***94 | Bracket As; (Track Roller) | 4 |
| 11***95 | Plate | 2 |
| 11***96 | Plate | 2 |
116-4791 Roller Ar-Track Carrier
| 11***91 | Roller Ar-Track Carrier | 1 |
| 11***92 | Frame As-Rear | 1 |
| 11***93 | Frame As-Rear | 1 |
107-8083 Roller Gp-Track-Double Flange -Cold Weather
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 12 |
| 10***45 | Collar-Seal | 2 |
| 10***89 | Seal Group-Duo-Cone | 2 |
154-3310 Roller Gp-Track-Double Flange -Custom
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 12 |
| 10***45 | Collar-Seal | 2 |
| 10***89 | Seal Group-Duo-Cone | 2 |
9w-8706 Roller Gp-Track-Double Flange
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 12 |
| 5F***06 | Packing,Preformed Pump Mtg Part Of Kit P/N 5r***25 | 2 |
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 12 |
132-7929 Roller Gp-Track-Double Flange
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 12 |
| 10***45 | Collar-Seal | 2 |
| 10***84 | Shaft-Track Roller | 1 |
197-7638 Roller Gp-Track-Double Flange -Cold Weather
| 10***45 | Collar-Seal | 2 |
| 10***89 | Seal Group-Duo-Cone | 2 |
| 10***84 | Shaft-Track Roller | 1 |
132-7928 Roller Gp-Track-Single Flange
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 12 |
| 10***45 | Collar-Seal | 2 |
| 10***84 | Shaft-Track Roller | 1 |
154-3305 Roller Gp-Track-Single Flange -Custom
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 12 |
| 10***45 | Collar-Seal | 2 |
| 10***89 | Seal Group-Duo-Cone | 2 |
107-8082 Roller Gp-Track-Single Flange -Cold Weather
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 12 |
| 10***45 | Collar-Seal | 2 |
| 10***89 | Seal Group-Duo-Cone | 2 |
246-0775 Roller Gp-Track-Single Flange -Systemone
| 10***45 | Collar-Seal | 2 |
| 10***84 | Shaft-Track Roller | 1 |
| 10***85 | Retainer | 2 |
196-9947 Roller Gp-Track-Single Flange
| 10***45 | Collar-Seal | 2 |
| 10***84 | Shaft-Track Roller | 1 |
| 10***85 | Retainer | 2 |
197-7637 Roller Gp-Track-Single Flange -Cold Weather
| 10***45 | Collar-Seal | 2 |
| 10***89 | Seal Group-Duo-Cone | 2 |
| 10***84 | Shaft-Track Roller | 1 |
9w-8705 Roller Gp-Track-Single Flange
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 12 |
| 5F***06 | Packing,Preformed Pump Mtg Part Of Kit P/N 5r***25 | 2 |
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 12 |
101-4193 Track Adjuster & Recoil Gp
| 10***93 | Track Adjuster & Recoil Group | 1 |
| 10***71 | Tube | 2 |
| 10***72 | Plate | 2 |
1q-4684 Track Gp -2-Required
| 1Q***84 | Track Group; -2-Required | 1 |
| 1Z***17 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
159-8862 Track Gp -2-Required
| 15***62 | Track Group; -2-Required | 1 |
| 1Z***22 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
1q-4685 Track Gp -2-Required
| 1Q***85 | Track Group; -2-Required | 1 |
| 1Z***22 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
1q-4622 Track Gp -2-Required
| 1Q***21 | Shoe-Track | 44 |
| 1Q***22 | Track Group; -2-Required | 1 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
8e-7696 Track Gp -2-Required
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
| 6V***24 | Bolt-Track Master; (7/8-14x3.78-In) | 2 |
| 6V***25 | Bolt-Track Master; (7/8-14x5.08-In) | 2 |
139-2612 Track Gp -2-Required
| 13***09 | Shoe-Track | 44 |
| 13***12 | Track Group; -2-Required | 1 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
138-8717 Track Gp -2-Required
| 13***17 | Track Group; -2-Required | 1 |
| 13***70 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
1q-4703 Track Gp -2-Required
| 1Q***03 | Track Group; -2-Required | 1 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
| 6V***24 | Bolt-Track Master; (7/8-14x3.78-In) | 2 |
158-6403 Track Gp -2-Required
| 15***03 | Track Group; -2-Required | 1 |
| 1Q***21 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
1q-4677 Track Gp -2-Required
| 1Q***77 | Track Group; -2-Required | 1 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
| 6V***24 | Bolt-Track Master; (7/8-14x3.78-In) | 2 |
1q-4676 Track Gp -2-Required
| 1Q***76 | Track Group; -2-Required | 1 |
| 1Z***60 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
1q-4739 Track Gp -2-Required
| 1Q***39 | Track Group; -2-Required | 1 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
| 6V***24 | Bolt-Track Master; (7/8-14x3.78-In) | 2 |
172-6526 Track Gp -2-Required
| 17***26 | Track Group; -2-Required | 1 |
| 17***64 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
201-0714 Track Gp -2-Required
| 15***27 | Link As-Track; -Steel Mill | 1 |
| 20***14 | Track Group; -2-Required | 1 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
1q-4683 Track Gp -2-Required
| 1Q***83 | Track Group; -2-Required | 1 |
| 1Z***83 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
190-9822 Track Gp -2-Required
| 19***22 | Track Group; -2-Required | 1 |
| 19***21 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
190-6125 Track Gp -Custom
| 19***25 | Track Group; -Custom | 1 |
| 19***27 | Link As-Track; -Custom | 1 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
1q-4686 Track Gp -2-Required
| 1Q***86 | Track Group; -2-Required | 1 |
| 1Z***25 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
157-0528 Track Gp -2-Required
| 15***27 | Link As-Track; -Steel Mill | 1 |
| 15***28 | Track Group; -2-Required | 1 |
| 1Q***21 | Shoe-Track | 44 |
191-9945 Track Gp -2-Required
| 19***17 | Shoe-Track | 44 |
| 19***45 | Track Group; -2-Required | 1 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
1q-4654 Track Gp -2-Required
| 1Q***54 | Track Group; -2-Required | 1 |
| 6T***05 | Shoe-Track | 44 |
| 6V***23 | Bolt-Track (7/8-16x3.43in); (7/8-14x3.42-In) | 172 |
119-6395 Undercarriage Ar
| 10***93 | Track Adjuster & Recoil Group | 1 |
| 11***29 | Idler Group-Track; -Rear-Front, Rear | 4 |
| 11***57 | Frame Group-Telescoping Recoil | 1 |
Work Tools
4z-9207 Blade & Edge Gp-Semi-Universal -Lgp
| 12***20 | Harness As | 1 |
| 14***95 | Hose; (650-cm Each) | 0 |
| 3B***59 | Washer (.065"Thick) | 1 |
4z-9146 Blade & Edge Gp-Semi-Universal -Landfill
| 3T***48 | Clip Assembly - Housing Plug To Housing Recp. | 1 |
| 3V***63 | Connector; (Hose) | 1 |
| 4M***81 | Capscrew; (Hex Hd 1/4-20x3/4) (Use W/Spacer 2) | 5 |
4z-9503 Blade & Edge Gp-Semi-Universal -Lgp
| 11***76 | Slide | 1 |
| 12***75 | Slide | 1 |
| 2H***22 | Screw-Self-Tapping; (10-16x0.77-In) | 2 |
4z-9167 Blade & Edge Gp-Semi-Universal -Landfill
| 12***20 | Harness As | 1 |
| 14***95 | Hose; (650-cm Each) | 0 |
| 3B***59 | Washer (.065"Thick) | 1 |
4z-9166 Blade & Edge Gp-Universal -Landfill
| 4Z***66 | Blade & Edge Group-Universal; -Landfill | 1 |
| 5P***80 | Seal 3.05 M(120.07 In.) | 0 |
| 6T***05 | Window Group; -Rear | 1 |
4z-9193 Blade & Edge Gp-Universal
| 4Z***93 | Blade & Edge Group-Universal | 1 |
| 5P***80 | Seal 3.05 M(120.07 In.) | 0 |
| 6V***33 | Seal; (1-M) | 0 |
4z-9147 Blade & Edge Gp-Universal -Landfill
| 2H***22 | Screw-Self-Tapping; (10-16x0.77-In) | 2 |
| 3T***21 | Lock Assem. | 1 |
| 4Z***47 | Blade & Edge Group-Universal; -Landfill | 1 |
4z-9203 Blade As-Lgp -Semi-Universal
| 4Z***03 | Blade As-Lgp; -Semi-Universal | 1 |
| 5P***80 | Seal 3.05 M(120.07 In.) | 0 |
| 6V***33 | Seal; (1-M) | 0 |
4z-9113 Blade As-Semi-Universal -Landfill
| 11***77 | Slide | 1 |
| 12***74 | Slide | 1 |
| 2H***22 | Screw-Self-Tapping; (10-16x0.77-In) | 2 |
4z-9114 Blade As-Semi-Universal -Landfill
| 2H***22 | Screw-Self-Tapping; (10-16x0.77-In) | 2 |
| 3T***21 | Lock Assem. | 1 |
| 4Z***14 | Blade As-Semi-Universal; -Landfill | 1 |
8e-6154 Blade As-Semi-Universal
| 11***77 | Slide | 1 |
| 12***74 | Slide | 1 |
| 2H***22 | Screw-Self-Tapping; (10-16x0.77-In) | 2 |
4z-9115 Blade As-Universal -Landfill
| 4Z***15 | Blade As-Universal; -Landfill | 1 |
| 8Y***23 | Seal | 0 |
| 8Y***24 | Seal | 0 |
4z-9116 Blade As-Universal -Landfill
| 4Z***16 | Blade As-Universal; -Landfill | 1 |
| 8Y***19 | Glass-Cab; (Fixed)(Tinted) | 1 |
| 8Y***20 | Window Group-Cab; -Lh | 1 |
8e-7226 Blade As-Universal -With Rock Guard
| 08***11 | Screw-Pan Head; (M5x0.8x16-mm)(M5x0.8x16mm) | 2 |
| 6V***12 | Screw-Machine; (M6x1x25-mm) | 2 |
| 8E***26 | Blade As-Universal; -With Rock Guard | 1 |
8e-6187 Blade As-Universal
| 08***11 | Screw-Pan Head; (M5x0.8x16-mm)(M5x0.8x16mm) | 2 |
| 6V***12 | Screw-Machine; (M6x1x25-mm) | 2 |
| 8E***87 | Blade As-Universal | 1 |
4z-9194 Blade As-Universal
| 08***11 | Screw-Pan Head; (M5x0.8x16-mm)(M5x0.8x16mm) | 2 |
| 3S***57 | Screw-Pan Head; (4-40x0.5-In) | 2 |
| 4Z***94 | Blade As-Universal | 1 |
4z-9209 Blade Gp-Semi-Universal -Lgp
| 15***01 | Bolt-Socket Head; (M4x0.7x20mm) | 1 |
| 4Z***09 | Blade Group-Semi-Universal; -Lgp | 1 |
| 8Y***23 | Seal | 0 |
184-4698 Blade Gp-Universal -Custom
| 18***98 | Blade Group-Universal; -Custom | 1 |
| 6T***02 | Window Group-Cab | 1 |
| 8E***46 | Window Group-Cab; -Sliding, Rh | 1 |
154-8462 Blade Gp-Universal -Custom
| 15***62 | Blade Group-Universal; -Custom | 1 |
| 6T***08 | Window Group-Cab; (Rear Sliding) | 1 |
| 9N***69 | Window Group-Cab; -Rear, Sliding | 1 |
7t-5558 Edge Gp-Bit & Cutting -Semi-Universal
| 10***44 | Motor Group-Window Wiper; (24-Volt)(24-Volt) | 1 |
| 3C***84 | Screw-Machine; (M5x0.8 Bg Thd) | 4 |
| 3T***59 | Bracket | 1 |
4z-9057 Edge Gp-Bit & Cutting -Semi-Universal
| 4Z***57 | Edge Group-Bit & Cutting; -Semi-Universal | 1 |
| 6T***03 | Window Group-Cab | 1 |
| 8E***47 | Window Group-Cab; -Sliding, Lh | 1 |
7t-5559 Edge Gp-Bit & Cutting -Universal
| 10***44 | Motor Group-Window Wiper; (24-Volt)(24-Volt) | 1 |
| 3C***84 | Screw-Machine; (M5x0.8 Bg Thd) | 4 |
| 3T***59 | Bracket | 1 |
4z-9504 Guard As-Trash -Semi-Universal
| 01***16 | Setscrew; (8-32x0.5-In) | 1 |
| 0S***97 | Capscrew (1/4 - 28 Nf X 1 Gd8, Hex) | 1 |
| 13***97 | Wire As | 8 |
105-8164 Modification Ar-Ripper -Custom
| 01***16 | Setscrew; (8-32x0.5-In) | 1 |
| 0S***97 | Capscrew (1/4 - 28 Nf X 1 Gd8, Hex) | 1 |
| 10***64 | Modification Ar-Ripper; -Custom | 1 |
9w-2707 Plate As-Wear -Semi-Universal
| 9W***07 | Plate As-Wear; -Semi-Universal-Landfill | 1 |
6y-7243 Plate As-Wear -Universal
| 6A***18 | Washer; (8.1x12.5x1-mm Thk) | 1 |
| 6V***07 | Shaft As; (Pivot) | 1 |
| 6V***09 | Cap-Wiper | 1 |
137-6851 Ripper Ar -Custom
| 13***51 | Ripper Ar; -Custom | 1 |
D8R serial number reference
The PIN/serial plate is riveted to the rear of the machine, high on the left side at the end of the left frame rail; a rear-mounted ripper can block the view, so look underneath or around it. Pre-2001-style D8R units show an 8-character serial (3-letter prefix plus up to a 5-digit sequence, e.g. 9EM00001); later units carry a full 17-character PIN, but the same 3-character prefix still sits inside it. Match that prefix - not the full number - against Cat's D8R parts/service literature to pin down engine, driveline parts break, and series.
| Prefix | Identifies | Notes |
|---|---|---|
| 9EM | D8R (original/Series I) | Earliest documented D8R prefix, tied to the model's 1996 launch. Runs the 3406C engine (turbocharged and aftercooled, net power near 227 kW/305 hp). Grouped with 7XM and T5X in Caterpillar's own D8R parts reference literature for shared driveline and ripper/blade linkage parts. Standard differential (planetary) steering, as used across the D8R line. |
| 7XM | D8R (original/Series I) | A US-market build tag for 7XM is not corroborated elsewhere - treat as unconfirmed. A separate claim that some 7XM units were later field-retrofitted with a C15 engine is also not corroborated - confirm with dealer. |
| T5X | D8R, later Series I-era production | 3406C engine, in the same driveline parts group as 9EM/7XM/RJM/MEJ per Caterpillar's D8R parts reference guide. Has its own dedicated Cat service manual (T5X and up). |
| RJM | D8R, later Series I-era production | 3406C engine; shares transmission, torque converter, final drive and steering-pump/motor part numbers with T5X and MEJ. Has its own dedicated Cat service manual (RJM and up). |
| MEJ | D8R, later Series I-era production | 3406C engine, same driveline group as RJM (only the alternator part differs). Has its own dedicated Cat service manual (MEJ and up). |
| 6YZ | D8R Series II (D8R II) | Marketed as the D8R Series II. Runs the 3406E engine - gross power near 252 kW (338 hp), flywheel power near 231 kW (310 hp) - with standard differential steering. Has its own dedicated Cat service manual (6YZ and up) explicitly labeled D8R II. |
| AKA | D8R Series II (D8R II), late production | Also D8R Series II, 3406E engine and differential steering. Cat's own service/SIS documentation for this prefix is titled 'Differential Steering' for the AKA range. It may be the last D8R II prefix built before the line moved to the D8T, but that is not corroborated - confirm exact production cutoff with dealer. |
| JR8 | D8R, late production | Switches to the C15 engine, with its own transmission, torque converter, steering pump/motor and implement pump part numbers distinct from the 3406C group. Has its own dedicated Cat service manual (JR8 and up) confirming the C15 engine; that manual's power-train section is shared with the D8T due to the common updated driveline design, but the machine itself is PIN-coded as a D8R, not a D8T. |
| DWJ | D8R, late production | Same C15-engine driveline group as JR8. Has its own dedicated Cat service manual (DWJ and up). |
Frequently asked questions
What engine does the Caterpillar D8R use?
The original D8R (the nameplate covered on this page, distinct from the later D8R Series II) runs Caterpillar's 3406C turbocharged-and-aftercooled diesel — an inline-six displacing 14.6 liters, rated near 245 kW (328 hp) gross and about 228 kW (305 hp) net at the flywheel. The D8R Series II that followed switched to the 3406E, a different engine tune under a similar nameplate.
What is the D8R's operating weight?
Operating weight runs roughly 33,500 to 38,700 kg (about 73,900 to 85,300 lb) depending on configuration. Standard, LGP (low ground pressure), and suspended versus non-suspended undercarriage builds each land at a different point in that range, so check the configuration on your specific unit rather than assuming one figure.
What replaced the Caterpillar D8R?
Caterpillar updated the nameplate to the D8R Series II in 2000, adding the 3406E engine and revised electronics, then replaced that model with the ACERT-powered D8T in 2004. All three generations share the same basic elevated-sprocket undercarriage and torque-divider power train architecture the D8R established.
What D8R owners discuss
What engine powers the D8R, and how reliable has it been in the field?
The D8R runs Caterpillar's 3406C, a turbocharged, aftercooled inline-six diesel around 14.6 L (893 cu in) displacement, rated roughly 305-310 hp (227-231 kW) gross depending on the spec sheet and series - treat the exact number as configuration-dependent. It uses mechanical unit injection, not the electronic 3406E found in Cat highway trucks and generator sets, so truck-engine troubleshooting notes don't transfer directly to this machine. Owners and shops generally describe the base engine as long-lived and straightforward to maintain, in the same character as earlier mechanical D8 engines. Reported complaints tend to center on the fuel system and turbo/aftercooler circuit rather than the block itself: black smoke under load that isn't just cold-start warmup smoke usually points to over-fueling or a restricted air path (dirty filter, failing turbo, clogged aftercooler), not a worn-out engine.
What changed between the D8R and D8R Series II powertrain, and does it affect how the transmission behaves?
Both series share the same basic engine family and differential-steering planetary power-train layout, but the Series II added electronic clutch pressure control to the power-shift transmission for smoother, modulated shifting plus auto-shift and auto-kickdown under load. Series II also uses an improved single-stage torque converter that splits torque between the converter and a direct-drive path for better efficiency. Operators generally report the Series II shifts noticeably smoother and tolerates repeated direction changes better; earlier D8R transmissions can feel harsher on shifts and are more sensitive to oil condition. On either series, intermittent lockup or delayed gear engagement under load is usually traced to a sticking torque-converter clutch, contaminated transmission oil, or a worn valve spool or proportional valve rather than outright converter failure - have your dealer verify with a proper pressure and clutch-fill test before condemning the transmission.
Hydraulic oil keeps disappearing with no visible leak, and the transmission case reads way over full - what's happening?
This is a documented failure mode on the D8R: hydraulic oil migrates into the power-train case through a damaged input shaft seal at the junction between the hydraulic pump drive and the transmission. The transmission level climbs while the hydraulic tank quietly drops, sometimes by several liters a day with no external puddle to find. If you're chasing a hydraulic oil loss on a machine whose transmission keeps reading overfull, check that input shaft seal before assuming a hose or cylinder leak. This is a power-train teardown job - have your dealer verify before continuing to run the machine, since diluted transmission oil affects clutch and torque converter operation.
How much undercarriage life should I expect on a D8R, and how much does it vary?
Undercarriage life swings widely with ground conditions and chain or roller maintenance, so treat any single figure as a starting point, not a guarantee. Owners running general duty work with disciplined bushing-turn maintenance describe total chain life ranging from under a thousand hours up to roughly two thousand hours before a full changeout; the same machine working abrasive ground (sand, sandstone, high-silica material) can burn through a set well short of that. Aftermarket chain or segment options are commonly described as giving noticeably less service life than genuine Cat chain. Judge undercarriage condition by measuring actual pin, bushing, and link wear on the machine in front of you rather than relying on the hour meter alone.
What electrical or sensor faults come up most often on the D8R?
One commonly cited fault ties to the transmission speed-sensor circuit: it triggers when the intermediate speed sensor and output speed sensor wiring get crossed during a repair, which reads to the control system as an erratic or implausible speed signal rather than a genuinely bad sensor. Beyond that, most electrical complaints trace back to connections rather than components - corroded or loose harness connectors at the control module and fuse panel, weak grounds, and a marginal battery causing voltage spikes that get misread as sensor faults. The usual first steps are checking fuses and connector pins for corrosion, verifying battery and charging voltage, and confirming wiring routing before replacing a sensor or control module outright.
Oil is weeping at the sprocket-to-final-drive joint - how serious is that?
Oil showing up at that joint on this class of dozer almost always means the duo-cone (face) seal has failed, not a simple gasket leak. That seal keeps planetary gear oil in and undercarriage contamination out; once it starts leaking, the leak worsens over time and dirt works its way into the gearcase, damaging gears and bearings if the machine keeps running. Common contributors are packed debris around the final drive from a dirty undercarriage, age-hardened seal rings, or shock-loading the final drive (driving hard into an obstruction, rough unloading off a trailer). Treat any final-drive weep as urgent - have your dealer verify seal condition and gear oil level before continuing to operate the machine.
What should I check before buying a used D8R?
Start with the undercarriage, since that's where the money is: measure actual pin, bushing, and link wear across several links with the track tensioned, not just a visual glance, and don't rely on the seller's hour meter alone. Run the engine cold and warm - it should idle steadily, hold temperature, and respond to throttle without hesitation or heavy smoke; black smoke under load and persistent white smoke at operating temperature both deserve a closer look. Cycle the transmission through its forward and reverse ranges and confirm shifts are clean and confident, not delayed or harsh, since sluggish shifts point to converter or clutch wear. Check hydraulic response on blade lift, tilt, and any ripper or angle functions for drift or slow cycle times, and inspect the sprocket and final-drive joints, steering system, and rear end for oil weeping. Finally, drive it in a straight line at full throttle to confirm it doesn't pull to one side, which can flag a steering clutch, brake, or track-tension problem. On anything safety- or structurally-related that the inspection turns up, have your dealer verify before committing to the purchase.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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