Caterpillar D5N
Caterpillartrack-type tractor

Caterpillar D5N

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar D5N is a mid-size track-type tractor (crawler dozer) in Cat's elevated-sprocket dozer family, sitting between the small D3/D4-class machines and the medium D6-class machines. It runs the Cat 3126B, a turbocharged and air-to-air aftercooled inline six-cylinder diesel displacing 7.2 L (439 cu in) with HEUI electronic unit injection, rated near 86 kW (115 hp) net with gross flywheel figures around 88-90 kW (119-121 hp) depending on the rating standard used on a given spec sheet. Operating weight runs roughly 12.7-12.8 tonnes (28,000-28,300 lb) in XL arrangement and 13.2-13.5 tonnes (29,200-29,800 lb) in LGP (Low Ground Pressure) arrangement, the spread reflecting blade, cab and counterweight options. Caterpillar built the D5N from about 2003 through 2007, positioning it as the successor to the D5M (1996-2003) in the long-running elevated-sprocket D5 line that traces back through the D5H and D5G. Cat offered it as XL for standard duty and LGP for soft-ground work, each available with a VPAT (variable-pitch angle tilt) blade, ROPS canopy or full cab, and an optional ripper or winch.

Compared with the D5M it replaced, the D5N kept the elevated-sprocket layout and torque-converter/powershift driveline but added the HEUI-injected 3126B engine, Electronic Clutch Pressure Control and Finger Tip Control steering that combines direction, gear selection and steering in one lever, plus the EMS III monitoring system for fuel, hydraulic, coolant and power train temperatures. Caterpillar retired the D5N nameplate after production ended in the mid-to-late 2000s and moved the line to the hydrostatic-drive D5K in 2008, then the D5K2, which Caterpillar renamed the D3 in its 2021 dozer lineup simplification, so no current model carries the D5N name. That gap is part of why the D5N still matters in the used and parts market today: its pre-emissions-aftertreatment engine, mechanical powershift transmission and elevated final drives are simpler and generally cheaper to keep running than later Tier 4 machines, used units continue to trade in a wide range depending on hours and configuration, and shared driveline and engine components with other 3126-family Cat equipment keep parts support broad.

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 D5N specifications

Engine

Engine modelCat 3126B (DITAAC / HEUI direct-injection), turbocharged, air-to-air aftercooled, inline 6-cylinder diesel
Displacement7.2 L (439 in3); bore 110 mm (4.33 in), stroke 127 mm (5 in)
Net power (rated)86-90.3 kW (115-121 hp) net, per ISO 9249 / EU 80-1269 - varies by specalog edition; earlier edition rated at 2100 rpm, later edition at 2000 rpm; SAE J1349 net listed as 89.4 kW (120 hp) in the later edition
Gross / flywheel power88-90.3 kW (119-121 hp) rated flywheel power; earlier edition also shows a maximum flywheel power of 89 kW (119 hp) occurring at 1800 rpm during the dozing work cycle
Emissions certificationCertified to EU Directive 97/68/EC Stage II
Altitude deratingNo power derate required up to 4600 m (15,100 ft) altitude; automatic derating occurs above that
Torque converter / transmissionSingle-stage torque converter with 3-speed planetary powershift transmission, electronic clutch pressure control, auto-shift and auto-kickdown

Weights

Operating weight - XL configurationapprox. 12,738-12,820 kg (28,082-28,270 lb) - varies by specalog edition/source; power shift, EROPS, A/C, VPAT dozer, 100% fuel, operator
Operating weight - LGP configurationapprox. 13,252-13,530 kg (29,214-29,828 lb) - varies by specalog edition/source; same equipment basis as XL
Shipping weight - XL configurationapprox. 12,459-12,541 kg (27,468-27,646 lb)
Shipping weight - LGP configurationapprox. 12,975-13,251 kg (28,594-29,214 lb)

Dimensions

Track gaugeXL 1770 mm (70 in); LGP 2000 mm (79 in)
Width of tractor, standard shoes, no bladeXL 2330 mm (92 in); LGP 2760 mm (109 in)
Width of tractor, standard shoes with VPAT blade angled 25 degreesXL 2797 mm (110 in); LGP 3043 mm (120 in)
Machine height, ROPS canopy (tip of grouser)XL 2992 mm (118 in); LGP 3036 mm (119.5 in)
Machine height, ROPS cab (tip of grouser)XL 2995 mm (118 in); LGP 3039 mm (119.6 in)
Drawbar height (center of clevis, ground face of shoes)XL 486 mm (19 in); LGP 537 mm (21 in)
Length of track on groundXL 2388 mm (94 in); LGP 2604 mm (103 in)
Length of basic tractor with drawbarXL 3544 mm (140 in); LGP 3720 mm (146 in)
Length added for VPAT blade, straightXL +1011 mm (40 in); LGP +1344 mm (53 in)
Length added for VPAT blade, angled 25 degreesXL +1542 mm (61 in); LGP +1779 mm (70 in)
Length added for ripper+818 mm (32 in), both configurations
Length added for PA55 winch+381 mm (15 in), both configurations
Height over stack (tip of grouser)XL 2805 mm (110 in); LGP 2849 mm (112 in)
Grouser height47 mm (1.85 in), both configurations
Ground clearance (per SAE J1234)XL 378 mm (14.9 in); LGP 422 mm (16.6 in)
Track shoe widthXL 560 mm (22 in); LGP 760 mm (30 in); optional widths from 510 mm (20 in) up to 762 mm (30 in) self-cleaning shoe, depending on undercarriage arrangement
Shoes per sideXL 41; LGP 44
Track rollers per sideXL 7; LGP 8
Ground contact areaXL 2.67 m2 (4,146 in2); LGP 3.96 m2 (6,135 in2)
Undercarriage arrangementElevated sprocket design; XL (Extra Long) has forward idler position and long roller frame for finish grading/traction; LGP (Low Ground Pressure) has wider shoes, longer frame and wider gauge for flotation in soft ground; Rotating Bushing Track (RBT) offered as optional undercarriage

Performance

Travel speed forward, gears 1/2/3approx. 3.1-3.2 / 5.4-5.7 / 9.1-9.9 km/h (1.9-2.0 / 3.4-3.5 / 5.7-6.2 mph) - figures vary between specalog editions; top-gear max forward speed reported as approx. 5.6 mph on dealer spec listings
Travel speed reverse, gears 1/2/3approx. 3.7-3.8 / 6.7-6.8 / 11.3-11.8 km/h (2.3-2.4 / 4.2-4.2 / 7.0-7.3 mph) - figures vary between specalog editions; top-gear max reverse speed reported as approx. 6.9 mph on dealer spec listings
Drawbar pullPer factory spec sheet, ranges from approx. 223 kN (50,119 lbf) in lowest gear/torque-converter stall condition down to approx. 122 kN (27,427 lbf) in mid gear and approx. 67 kN (15,053 lbf) in top gear - not consistently published across all sources
Ground pressure - XL configurationapprox. 46-47.4 kPa (6.6-6.88 psi), standard shoes - varies slightly by specalog edition
Ground pressure - LGP configurationapprox. 32-34 kPa (4.7-4.93 psi), standard shoes - varies slightly by specalog edition
GradeabilityNot documented in available factory spec sheets - verify with dealer if needed
Ripper maximum pryout forceXL 191 kN; LGP 193 kN
Ripper maximum penetration force (VPAT blade equipped, power shift)XL 40 kN; LGP 47 kN
Ripper maximum penetration depthXL 350 mm; LGP 298 mm
Sound levelsOperator sound level 75 dB(A) per ISO 6394:1998 (cab, doors/windows closed); labeled external sound power level 108 dB(A) per 2000/14/EC

Blades

Blade type offeredVPAT (Variable Pitch Power Angle and Tilt) - hydraulically adjustable lift, angle and tilt from the operator's station; this is the only blade type documented for the D5N (no separate S or SU blade listed)
XL VPAT blade capacity2.6 m3 (3.4 yd3), per SAE J1265
XL VPAT blade width (over end bits)3077 mm (10 ft)
XL VPAT blade height / digging depth / ground clearance / max tilt1109 mm height; 430 mm (17 in) digging depth; 933 mm ground clearance; 460 mm max tilt
XL VPAT blade weight (without hydraulic controls)1932 kg
LGP VPAT blade capacity2.6 m3 (approx. 3.4 yd3; some dealer listings show 2.7 yd3), per SAE J1265
LGP VPAT blade width (over end bits)3360 mm (11 ft)
LGP VPAT blade height / digging depth / ground clearance / max tilt1127 mm height; 415 mm (16.4 in) digging depth; 1001 mm ground clearance; 491 mm max tilt
LGP VPAT blade weight (without hydraulic controls)2000 kg
Cutting edge / end bit materialHigh-tensile cutting edges and end bits per Caterpillar's standard heat-treated blade steel grades

Service capacities summary

Fuel tank257 L (67.9 gal)
Cooling systemapprox. 37-48 L (approx. 9.8 gal) - varies by specalog edition
Final drives (each)6 L (1.6 gal)
Hydraulic tank29.5 L (7.7 gal)
Engine oilNot published in the factory spec sheets reviewed - verify with dealer or shop manual
Optional PA55 winch oil capacity74 L

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

D5N fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter) — Cat 3126B turbocharged, air-to-air aftercooled dieselApprox. 26 L (6.9 US gal). Not directly confirmed against a factory refill chart for this serial range — cross-check against your specific OMM before filling.Cat DEO or Cat DEO-ULS diesel engine oil. Viscosity by ambient temperature per Cat's engine oil guidance: SAE 15W-40 for roughly -9 to 50°C (15 to 122°F); SAE 10W-30 for -18 to 40°C (0 to 104°F); SAE 0W-40/5W-40 synthetic grades for colder climates down to -40°C (-40°F).
Cooling system37 L (9.8 US gal) per one factory spec-sheet printing; an earlier printing of the same D5N XL/LGP spec sheet lists 48 L (12.7 US gal). Capacity varies by printing/production run — confirm against the serial-specific refill chart.Cat ELC (Extended Life Coolant), factory-filled and listed as standard equipment on the D5N. Premixed 1:1 concentrate; do not mix with conventional coolant.
Fuel tank257 L (67.9 US gal), consistent across factory spec-sheet printings.Diesel fuel per Cat fuel specification. Fuel/water separator fitted as standard equipment.
Powershift transmission, bevel gear set and steering clutch/brake compartment (shared rear-case power train oil system)Sources disagree: one lubricant cross-reference lists 122 L (32.2 US gal); a separately sourced figure tied to the OMM gives about 105 L (27.7 US gal). Treat as approximate in the 105-122 L range and verify by dipstick against the machine's own chart, not by topping to a fixed volume.Cat TDTO (Transmission/Drive Train Oil) to the TO-4 specification. SAE 30 is typical; SAE 10W for cold-start regions, up to SAE 50 for sustained high ambient temperatures, selected per Cat's climate-based TDTO viscosity guidance.
Final drive (each side)6 L (1.6 US gal) per side, consistent across factory spec-sheet printings and an independent lubricant cross-reference.Cat TDTO (TO-4 specification), viscosity graded by climate consistent with the power train oil (SAE 10W to SAE 30/50 range).
Hydraulic system / tank29.5 L (7.7 US gal) tank capacity, consistent across factory spec-sheet printings and an independent lubricant cross-reference. Total circuit capacity including cylinders and lines runs higher.Cat HYDO Advanced 10 preferred, rated for roughly -20 to 40°C (-4 to 104°F) ambient. Cat DEO, Cat TDTO or Cat MTO are acceptable alternates outside that band per Cat's fluid guide; any substitute oil needs a minimum 900 ppm zinc anti-wear additive package.
Pivot shaft / equalizer bar and track recoil compartmentNot listed as a field refill point in the factory spec sheet — the pivot shaft and pinned equalizer bar are described as a sealed, factory-lubricated assembly. A separately documented track-adjuster/recoil-spring housing capacity of roughly 16-20 L (4.2-5.3 US gal) per side appears in a lubricant cross-reference, but it is not confirmed to be the same compartment as the pivot shaft — verify locally before servicing.Sealed assembly. Pin joints and C-frame tower bearings are serviced through grease fittings rather than an oil refill.
Grease (all lubrication points: C-frame pins, blade lift arms, ripper, equalizer bar, steering linkage)Not a refill-capacity item — serviced per grease fitting at each pin joint, not by system volume.Cat Multipurpose Grease (NLGI 2) for standard-temperature service. Cat Ultra 5Moly (NLGI 0/1/2, moly-fortified) for heavy-load pin joints. Cat Arctic Platinum (NLGI 0) for cold climates down to -50°C (-58°F).

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

Caterpillar D5N maintenance schedule

Service intervalTasks
Every 50 h
  • Check engine oil level and cooling system level before startup and drain water and sediment from the fuel/water separator
  • Walk around the SALT undercarriage, idlers and track shoes to check for damage, loose hardware or oil weeping at the elevated sprocket housings
  • Check transmission/torque converter oil level and look for leaks around the final drive and steering clutch compartments
  • Grease blade lift and tilt cylinder pins and winch fittings, if equipped, at the 50-hour point
  • Test the backup alarm, lights and EMS III gauge readouts for fuel, coolant, hydraulic and power train oil temperature
Every 250 h
  • Pull an S.O.S oil sample from the 3126B engine
  • Inspect the Poly Vee fan belt and auto-tensioner, and clean the IMRM radiator core
  • Check final drive and steering clutch/brake oil level on each side
  • Inspect ROPS or cab mounting bolts and rubber isolation mounts for torque
  • Check battery terminals, electrolyte and charging system output
Every 500 h
  • Change engine oil and filter on the 3126B HEUI engine
  • Replace primary and secondary fuel filters
  • Sample transmission/torque converter oil and hydraulic tank oil through S.O.S
  • Check and adjust track sag on both sides
  • Inspect steering clutch and brake plates for wear through the service covers
Every 1,000 h
  • Change the hydraulic tank oil filter element
  • Change transmission and bevel gear case oil
  • Inspect turbocharger shaft play and compressor housing for oil residue
  • Service or replace engine air filter elements per the service indicator
  • Check final drive housings and elevated sprocket seals for leaks
  • Torque-check the VPAT blade mounts and push-arm trunnions
Every 2,000 h
  • Change final drive and steering clutch/brake compartment oil
  • Check and adjust engine valve lash on the 3126B cylinder head
  • Inspect the torque converter and transmission oil cooler for scaling or leaks
  • Replace the hydraulic tank breather and filler cap
  • Pressure-test the cooling system cap and inspect radiator hoses
  • Inspect EMS III wiring harness connectors and sensors
Every 6,000 h
  • Change engine coolant in the ATAAC cooling circuit and flush the system
  • Inspect and, if worn, rebuild the steering clutch and brake pack assemblies as complete sets
  • Check the crankshaft vibration damper and engine mounts for deterioration
  • Inspect elevated sprocket segments and final drive planetary gear sets for wear at overhaul
  • Fully sample and renew hydraulic tank oil
  • Inspect the radiator core and aftercooler for internal scaling or corrosion

Servicing the D5N beyond the schedule

Predictive Maintenance and Fluid Analysis

Run S.O.S sampling on the 3126B's engine oil, the torque-converter/transmission oil and the final drive and steering clutch compartments on each side - the powershift and elevated final drives are the components most likely to show early wear through metal content. Watch EMS III's power train oil temperature, hydraulic oil temperature and coolant gauges for drift, since the HEUI fuel system and turbocharger are sensitive to cooling and lubrication trends. Log fuel filter differential and Poly Vee belt tension at every interval.

Corrective and Common Repairs

Typical D5N repairs center on the oil-cooled steering clutch and brake packs, which wear from repeated FTC steering inputs, and on final drive seals at the elevated sprocket housings, where leaks show up as oil on the sprocket segments. HEUI injectors and the electronic air inlet heater are common cold-start complaints on the 3126B. VPAT blade cylinders and push-arm trunnion bushings loosen with heavy dozing and need regular torque checks and bushing replacement.

Overhaul and Rebuild Points

At major overhaul, inspect the planetary powershift clutch packs, torque converter stator and bevel gear set for wear alongside the elevated final drive planetaries and sprocket segments - these carry the drawbar loads on this size class. Rebuild the steering clutch and brake assemblies as a set rather than piecemeal. Check the ATAAC cooling circuit (radiator core, aftercooler, oil cooler) for internal scaling, and re-torque the cab/ROPS isolation mounts and engine enclosure hinges disturbed during teardown.

Seasonal and Environment Servicing

Before cold-weather work, confirm the electronic air inlet heater and coolant heater, if fitted, function, and switch to the correct viscosity engine and hydraulic oil for ambient temperature. In abrasive or wet ground, the SALT (sealed and lubricated track) undercarriage needs more frequent shoe, idler and sprocket segment inspection, especially on LGP machines running wide track in soft or swampy footing. Clean the IMRM radiator core more often in dusty seasonal conditions to protect ATAAC cooling performance.

D5N fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
030-248-02Monitor/display data link signal intermittent or erraticMain instrument panel losing communication with other control modules over the machine data link, usually a loose connector, chafed harness, or a weak module groundCheck data link wiring and connectors at the monitor and ECMs for corrosion or damage, confirm grounds are clean and tight, then clear the code and recheck for recurrence
036-094-03Engine fuel pressure sensor signal voltage above normalSignal wire shorted to a high voltage source such as battery positive, or a loose/disconnected sensor connector on the 3126B engine, or a failed sensor; the ECM substitutes a default fuel pressure value while the fault is activeInspect the fuel pressure sensor connector and wiring for a short to a high voltage source or a poor connection, check sensor supply and signal circuits with a meter, and replace the sensor if wiring and connections check out good
113-168-04Transmission/chassis ECM system voltage below normalBattery or charging system voltage dropping below the ECM threshold, often from a weak battery, bad ground, or shorted wiring pulling voltage down; machine can apply brakes automatically and shift to neutral if voltage falls far enoughTest battery condition and charging voltage, inspect main power and ground cables for corrosion or looseness, and repair any short before returning the machine to service
113-269-04Transmission/chassis ECM sensor power supply circuit voltage below normalSensor supply circuit shorted to ground, or a failed sensor loading down the shared supply that feeds several transmission and steering sensorsCheck the sensor supply wiring for a short to ground, disconnect sensors fed by that supply one at a time to isolate the fault, and replace the sensor or repair the wiring once the fault is isolated
0676-08Left steering lever position sensor abnormal signal frequencyWorn or misaligned steering lever position sensor, damaged sensor wiring, or debris affecting sensor output on the electro-hydraulic fingertip steering systemInspect the left steering position sensor and its harness for damage, verify the sensor moves properly through its full range without disassembling the mechanical lever assembly, and replace the position sensor if it fails to respond correctly
0697-06Priority valve solenoid current above normalShorted solenoid coil or wiring on the priority valve, or a sticking valve drawing excess currentMeasure solenoid coil resistance against spec, inspect wiring for chafing or shorts to power, and replace the solenoid or valve if it fails the resistance check
0164-02Injection actuation pressure (HEUI) signal erraticFaulty injection actuation pressure control valve, worn HEUI pump, or a failing IAP sensor on the 3126B fuel system, sometimes low or contaminated hydraulic oil supply to the injectorsCheck engine oil level and condition first, then test IAP sensor output and control valve operation, inspecting the HEUI pump for wear if actual pressure cannot reach commanded pressure
0110-11Engine coolant temperature above normal (high coolant temperature warning)Low coolant level, blocked radiator or debris in the core, slipping or failed fan drive, or a faulty coolant temperature sensor on the 3126B engineCheck coolant level and look for leaks, clean the radiator core, verify fan operation, and test the coolant temperature sensor if cooling components check out fine

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

D5N attachments & work tools

Blades

D5N is built in two chassis widths, XL (standard gauge) and LGP (low ground pressure), and both are sold around Cat's VPAT (Variable Pitch Angle Tilt) blade, hydraulically adjustable for pitch, angle and tilt from the seat via electronic-over-hydraulic controls. Rated capacity is about 2.6 m3 (3.4 yd3) on either chassis; width over end bits runs roughly 3.08 m (121 in) on XL and 3.36 m (132 in) on LGP. Cat's broader medium-dozer line also lists straight (S) and semi-universal (SU) blades for this size class, but factory literature for the D5N centers on VPAT as the standard fitment — confirm S/SU availability for a specific serial range with a dealer.

Rippers

A multi-shank parallelogram (radial-linkage) ripper is offered, selectable for one, two or three shanks with curved or straight tips, actuated by twin hydraulic cylinders — suited to variable or softer ripping conditions where shank count can be dropped back as material hardens. A single-shank ripper, one cylinder, longer beam, is the option for deep pre-production ripping in harder rock. Aftermarket-quoted weight for a 3-shank unit runs around 660 kg (1,455 lb); treat this as an approximate, non-OEM figure since Cat's own published ripper weight for this exact chassis was not found.

Winches

A mechanical winch (Cat/Paccar PA55 lineage, shared with the larger D6N) is the common factory-style fitment, mounted at the rear and joystick-controlled, driven off the power-take-off shaft with an input clutch to limit parasitic horsepower loss when not in use. Maximum wire rope diameter for this winch class is about 22 mm (7/8 in). Hydraulically driven plug-and-play winch kits are also fitted aftermarket to D5N/D6N tractors where a PTO winch isn't wanted.

Drawbars / counterweights

The rear of the tractor doubles as the ripper/winch mounting point and as a drawbar for towing or pulling work tools; the chassis and final drives are built to handle sustained severe drawbar loads. An optional rear counterweight is available to rebalance the machine for heavy angle-dozing or for working backed up steep slopes, though Cat's published weight figure for this counterweight option was not located — verify with a dealer for the exact figure.

Cab / ROPS guarding (forestry/waste)

Standard cab is a ROPS-rated structure; forestry and waste/landfill configurations add bolt-on sweeps (limb risers) running from the front of the machine up over the cab roof to deflect branches and debris rather than letting them strike the machine. A companion screen package (both side screens plus a rear screen, sometimes with a roof screen) protects cab glass, hydraulic lines, exhaust stack and lights from punctures and impact damage in heavy debris work. These guarding packages are add-on kits rather than part of the base machine spec.

Hydraulic arrangement (front/rear tools)

Blade and ripper are run through low-effort, pilot-operated hydraulic controls off the machine's implement pump circuit, with ergonomic joystick/lever grouping for the blade (front) and ripper (rear) to cut operator fatigue on long shifts. Winch control, where fitted, is added as its own joystick circuit tied into the PTO-driven winch rather than sharing the blade/ripper implement valves. Exact pump flow and stall-pressure figures vary by production run and were not consistently documented across available sources.

All D5N assemblies by section

Every catalogued assembly group for the Caterpillar D5N. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
Air Cleaner Group (1951049 N/S)
1991416 Air Cleaner Group
Air Inlet Cover Group (1531794 N/S)
Air Inlet Cover Group (1898780 N/S)
18***80Cover Group-Air Inlet; -Starting Aid Heater1
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Air Inlet Elbow Group (2463523 N/S)
Air Inlet Elbow Group (1703273 N/S)
Air Lines Group (1852123 N/S)
Air Lines Group (2336800 N/S)
Turbocharger Oil Lines Group (2023262 N/S)
Exhaust Manifold Group (1592572 N/S)
Muffler Mounting Group (2015381 N/S)
Muffler Group (1852124 N/S)
Air Inlet Heater Group (1187284 N/S)
11***84Starting Aid Group; -Air Inlet Heater1
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Turbocharger Group (1871602 N/S)
1871603 Turbocharger Group
Basic Engine
Belt Group (1931032 N/S)
19***32Belt Group-Serpentine; -With Air Conditioning1
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Belt Group (1931402 N/S)
19***02Belt Group-Serpentine; -Without Air Conditioner1
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Belt Group (1929095 N/S)
19***95Belt Group-Serpentine; -With Air Conditioner1
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Belt Group (1950681 N/S)
19***81Belt Group-Serpentine; -With Air Conditioning1
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Belt Group (2394089 N/S)
23***89Belt Group-Serpentine; -Without Air Conditioner1
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Belt Tightener Group (1892221 N/S)
Single Camshaft Group (2167922 N/S)
Carrier Group (1323844 N/S)-Seal
Cylinder Cover Group (2105598 N/S)
Front Cover Group (1368888 N/S)
13***88Cover Group-Front Housing; (Front Housing)1
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Valve Mechanism Cover Group (1531832 N/S)
Crankshaft Group (1136087 N/S)
2214481 Cylinder Block Group
Cylinder Block Group (1291165 N/S)
1291164 Cylinder Block Group
Cylinder Head Assembly (2275951 N/S)
Cylinder Head Assembly (3144186 N/S)
Cylinder Head Group (2275954 N/S)
Cylinder Head Group (1333742 N/S)
Cylinder Head Group (3091927 N/S)
2275953 Cylinder Head Group
Damper And Pulley Group (1892227 N/S)
Oil Drain Group (2196339 N/S)
21***39Drain Group-Engine Oil; -Extension1
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Oil Pan Drain Group (7c4532 N/S)
7C***32Drain Group-Oil Pan; Oil Pan Drain Group1
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Oil Pan Drain Group (7c4566 N/S)
7C***66Drain Group-Oil Pan; -Magnetic Plug1
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Fastener Gp-Front Cover (2285288 N/S)
Fastener Gp-Front Housing (1164556 N/S)
11***56Fastener Group-Front Housing; (Housing)1
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Engine Oil Filler Group (1993164 N/S)
Flywheel Group (1835274 N/S)
Oil Level Gauge Group (1591810 N/S)
15***10Gauge Group-Oil Level (Dipstick); -Engine1
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Front Gear Group (2051321 N/S)
20***21Gear Group-Front, Name-Plate (Norwegian)1
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Flywheel Housing Group (4w1103 N/S)
Front Housing Group (1335055 N/S)
Engine Lifting Group (1592565 N/S)
Mounting Gp-Engine (2035866 N/S)
Fan Drive Mounting Group (1892222 N/S)
Oil Pan Group (1960077 N/S)
19***77Work Lamp; Cab, Upper, Work Lamp; Cab, Rear, Work Lamp, Pan Group-Oil; -Engine, Work Lamp; Rear, Work Lamp; Cab, Lower1
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Rod And Piston Group (1777500 N/S)
Plug Group (1590303 N/S)-Cylinder Block
15***03Plug Group-Cylinder Block; (Cylinder Block)1
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Plug Group (1628068 N/S)-Engine
16***68Plug Group-Engine; -Oil Gallery1
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Alternator Pulley Group (1961791 N/S)
Idler Pulley Group (1892220 N/S)
Crankshaft Seal Group (1154210 N/S)
Flywheel Housing Seal Group (7c1770 N/S)
Valve Mechanism Group (1352969 N/S)
Valve Mechanism Group (2355528 N/S)
Valve Mechanism Group (2563830 N/S)
Cooling System
Aftercooler Group (1852129 N/S)
Engine Oil Cooler Group (1173643 N/S)
Fan Drive Group (2019067 N/S)
Fan Drive Group (1892223 N/S)
1892203 Fan Drive Group
2018589 Fan Drive Group
Fan Control Group (2394085 N/S)
Blower Fan Group (2336798 N/S)
Blower Fan Group (1852128 N/S)
Water Lines Group (2463546 N/S)
Water Lines Group (1591814 N/S)
High Ambient Temperature Arrangement (1996965 N/S)
19***65Machine Ar-High Ambient Temp1
20***70Radiator Assembly5
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Fan Pulley Group (2245128 N/S)
Fan Pulley Group (2463555 N/S)
Fan Drive Pulley Group (2019063 N/S)
2364413 Water Pump Group
Water Pump Group (1939237 N/S)
1939238 Water Pump Group
Radiator Group (2332110 N/S)-Part 2 Of 2
Radiator Group (2037633 N/S)
Radiator Group (2332110 N/S)-Part 1 Of 2
Cooling Group (2332110 N/S)-Part 2 Of 2
Radiator Group (1852126 N/S)-Part 2 Of 2
Radiator Group (2332111 N/S)
Cooling Group (2332110 N/S)-Part 1 Of 2
2332114 Radiator Group
Radiator Group (1852126 N/S)-Part 1 Of 2
Electrical And Starting System
3e6328 Alarm Group-24v
3E***28Alarm Group; -Caterpillar Monitoring System-Action1
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1322156 Charging Alternator Group-24v,70a-Part 2 Of 2
1322156 Charging Alternator Group-24v, 70a-Part 1 Of 2
Charging Alternator Group (1995644 N/S)-24v, 65a
19***44Alternator Group-Charging; -Brushless1
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Charging Alternator Group (1892224 N/S)-24v, 70a
1855294 Charging Alternator Group-Denso-24v, 65a
18***94Alternator Group-Charging; -Waste Handling1
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Battery And Wiring Group (1567377 N/S)-Chassis-Part 4 Of 4
Battery And Wiring Group (1567377 N/S)-Chassis-Part 2 Of 4
Battery And Wiring Group (1567377 N/S)-Chassis-Part 3 Of 4
Battery And Wiring Group (2356785 N/S)-Chassis-Part 4 Of 4
23***85Battery & Wiring Group; (Battery)1
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Battery And Wiring Group (2356785 N/S)-Chassis-Part 3 Of 4
23***85Battery & Wiring Group; (Battery)1
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Battery And Wiring Group (2356785 N/S)-Chassis-Part 2 Of 4
23***85Battery & Wiring Group; (Battery)1
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Battery And Wiring Group (2356785 N/S)-Chassis-Part 1 Of 4
23***85Battery & Wiring Group; (Battery)1
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Battery And Wiring Group (1567377 N/S)-Chassis-Part 1 Of 4
Battery Group (8r8714 N/S)
8R***14Battery Group; -Maintenance Free1
9X***04Battery-Maintenance Free; (12 Volt)(900 Amp)2
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Engine Electronic Control And Mounting Group (1887726 N/S)
18***26Control & Mtg Group-Engine Elek1
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Engine Electronic Control And Mounting Group (2334825 N/S)
23***25Control & Mtg Group-Engine Elek1
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1547443 Electronic Control Module
15***43Control Group-Unprgmed Monitor; -Caterpillar Monitoring System1
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Electronic Control Group (1566155 N/S)-Machine Security System
15***55Control Group-Unprogrammed; -Machine Security System1
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1729389 Electronic Control Module
17***89Control Group-Unprogrammed; -Steering, Transmission1
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2524501 Electronic Control Module
25***01Electronic Control Group; (Caterpillar Monitoring System)(Electronic)1
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Machine Electronic Arrangement (1569512 N/S)
15***77Battery & Wiring Group1
15***12Electronics Ar-Machine1
15***58Wiring Group-Engine1
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Machine Electronic Arrangement (22302110 N/S)
16***69Electronics Group-Power Train; (Pilot Control)1
23***10Electronics Ar-Machine1
23***85Battery & Wiring Group; (Battery)1
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Electronic Control Group (1693234 N/S)-Monitoring
16***34Electronics Group-Monitor; -Caterpillar Monitoring System1
23***31Service Group; (Caterpillar Monitoring System)1
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Electronic Control Group (2385145 N/S)-Monitoring
23***45Electronics Group-Monitor; -Caterpillar Monitoring System1
24***90Service Group1
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Power Train Electronic Control Module (1666269 N/S)
16***69Electronics Group-Power Train; (Pilot Control)1
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1957336 Engine Harness As-Part 1 Of 2
19***36Engine Harness Assembly; (Electronic Control)1
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1957336 Engine Harness As-Part 2 Of 2
19***36Engine Harness Assembly; (Electronic Control)1
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1538920 Harness Assembly-Engine
15***20Engine Harness Assembly; (Unit Injector)1
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Engine Fastener Group (1950653 N/S)
Fastener Group-Wiring Harness (2241296 N/S)
2342791 Harness Assembly-Panel
23***91Harness Assembly; (Circuit Breaker)1
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2490536 Harness Assembly-Part 1 Of 4
2652733 Engine Harness As-Part 2 Of 2
1602185 Harness Assembly-Transmission
16***85Harness Assembly; (Sensor, Switch, Valve)1
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2331108 Harness Assembly-Part 2 Of 4
2315849 Engine Harness As-Part 2 Of 2
1602183 Harness Assembly-Front Chassis
2781515 Harness Assembly-Part 3 Of 4
2356762 Harness Assembly-Front
23***62Harness Assembly; (Sensors, Solenoids, Hydraulic Fan)1
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1117198 Harness Assembly-Motor
2132980 Panel Harness Assembly-Part 1 Of 2
2781515 Harness Assembly-Part 2 Of 4
2524831 Harness Assembly-Part 1 Of 4
2639234 Harness Assembly-Part 1 Of 4
2363943 Cab Harness Assembly-Part 2 Of 2
23***43Harness Assembly; (Instrument Panel)1
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2426229 Harness Assembly-Sensor
24***29Harness Assembly; (Transmission Output Speed)1
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1986986 Harness Assembly
19***86Harness Assembly; (Steering, Transmission)1
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2331108 Harness Assembly-Part 1 Of 4
2197355 Harness Assembly
2639234 Harness Assembly-Part 3 Of 4
2367486 Harness Assembly-Part 1 Of 2
2331108 Harness Assembly-Part 4 Of 4
2367489 Cab Harness Assembly-Part 1 Of 2
1609149 Cab Harness Assembly-Part 1 Of 2
2490536 Harness Assembly-Part 2 Of 4
2132985 Harness Assembly-Panel
21***85Harness Assembly; (Circuit Breaker)1
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2758264 Harness Assembly-Panel
2163854 Dash Harness Assembly
2639234 Harness Assembly-Part 4 Of 4
2054626 Harness Assembly-Solenoid
20***26Harness Assembly; (Transmission)1
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2490536 Harness Assembly-Part 4 Of 4
2363943 Cab Harness Assembly-Part 1 Of 2
23***43Harness Assembly; (Instrument Panel)1
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2367486 Harness Assembly-Part 2 Of 2
2524831 Harness Assembly-Part 4 Of 4
2781515 Harness Assembly-Part 4 Of 4
2315849 Engine Harness As-Part 1 Of 2
2236517 Harness Assembly-Sensor
22***17Harness Assembly; (Transmission Output Speed)1
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2652733 Engine Harness As-Part 1 Of 2
2132980 Panel Harness Assembly-Part 2 Of 2
2490536 Harness Assembly-Part 3 Of 4
2331108 Harness Assembly-Part 3 Of 4
1602184 Harness Assembly-Sensor
16***84Harness Assembly; (Fuel Level, Hydraulic Oil Temp)1
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2575453 Harness Assembly-Panel
2414168 Harness Assembly-Control
24***68Harness Assembly; (Steering, Transmission)1
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1609149 Cab Harness Assembly-Part 2 Of 2
2781515 Harness Assembly-Part 1 Of 4
2524831 Harness Assembly-Part 3 Of 4
2367489 Harness Assembly-Part 2 Of 2
2524831 Harness Assembly-Part 2 Of 4
2639234 Harness Assembly-Part 2 Of 4
2455891 Harness Assembly-A/C Condensor
Harness Assembly (2784586 N/S)-Transmission
2784563 Harness Assembly-Transmission
2255705 Flood Lamp Group-Suspended-24v
2196487 Flood Lamp Group-Suspended-24v
21***87Lamp Group-Flood; -24-Volt, 65-Watt1
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2196488 Flood Lamp Group-Suspended-24v
21***88Lamp Group-Flood; -Cab Roof, Front1
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2353937 Flood Lamp Group-Suspended-24v
23***37Lamp Group-Warning Beacon; -Amber, Rotating1
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Flood Lighting Group (2434799 N/S)-Orops
24***99Lighting Group-Flood; -Open Rops1
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Flood Lighting Group (1573463 N/S)-Erops
15***63Lighting Group-Flood; -Enclosed, Open Rops1
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Warning Lighting Group (2383279 N/S)
Circuit Breaker Panel Group (2485667 N/S)-Part 2 Of 2
Circuit Breaker Panel Group (2342789 N/S)-Part 2 Of 2
Circuit Breaker Panel Group (2758263 N/S)-Part 2 Of 2
Circuit Breaker Panel Group (2485667 N/S)-Part 1 Of 2
Circuit Breaker Panel Group (1568378 N/S)-Part 2 Of 2
Circuit Breaker Panel Group (1568378 N/S)-Part 1 Of 2
Circuit Breaker Panel Group (2758263 N/S)-Part 1 Of 2
Circuit Breaker Panel Group (2342789 N/S)-Part 1 Of 2
Engine Sensor Group (1997734 N/S)
1602443 Position Sensor Group
2144863 Position Sensor Group
2144862 Position Sensor Group
Service Group (2456590 N/S)
24***90Service Group1
25***01Electronic Control Group; (Caterpillar Monitoring System)(Electronic)1
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Service Group (2316531 N/S)
23***31Service Group; (Caterpillar Monitoring System)1
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Starting Aid Group (2302530 N/S)
2071519 Electric Starting Motor Group-Part 2 Of 2
Electric Starting Motor Group (1455157 N/S)-24v
2071519 Electric Starting Motor Group-Part 1 Of 2
7n0718 Disconnect Switch Assembly
7N***18Switch As-Disconnect; -Battery-Ground Level1
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1647577 Filter Bypass Switch Group
16***77Switch Group-Bypass; -Xmsn Lubrication Supply Filter-Xmsn Lubrication Charge Filter-Hoist Screen-Tc, Front Brake Cooling-Transmission Oil Filter-Rear Axle Oil Filter1
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1670138 Magnetic Switch Assembly
16***38Switch Group-Magnetic; -Main Relay-Main Power Relay1
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2237577 Switch Mounting Assembly
22***77Switch Group-Magnetic; -Air Inlet Heater Relay1
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2418368 Magnetic Switch Assembly
24***68Switch Group-Magnetic; -Main Power Relay-Main Relay1
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1586632 Switch Assembly-Horn
1126174 Rotary Switch Assembly-Wiper And Washer
Engine Wiring Group (2356786 N/S)-Part 2 Of 2
Engine Wiring Group (2356786 N/S)-Part 1 Of 2
Engine Wiring Group (2356786 N/S)-Part 3 Of 3
Engine Wiring Group (1573458 N/S)-Part 3 Of 3
Engine Wiring Group (2356786 N/S)-Part 2 Of 3
Engine Wiring Group (2356786 N/S)-Part 1 Of 3
Engine Wiring Group (1573458 N/S)-Part 1 Of 3
Engine Wiring Group (2285786 N/S)
22***86Wiring Group-Engine; -Electronic Cont.-Unit Injector1
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Engine Wiring Group (1573458 N/S)-Part 2 Of 3
Platform Wiring Group (2374491 N/S)-Part 2 Of 3
Platform Wiring Group (2374491 N/S)-Part 3 Of 3
Platform Wiring Group (1567378 N/S)-Part 1 Of 3
Platform Wiring Group (2374485 N/S)-Part 3 Of 3
Platform Wiring Group (2374491 N/S)-Part 1 Of 3
Platform Wiring Group (1567378 N/S)-Part 3 Of 3
Platform Wiring Group (2374485 N/S)-Part 2 Of 3
Platform Wiring Group (1567378 N/S)-Part 2 Of 3
Platform Wiring Group (2374485 N/S)-Part 1 Of 3
Pilot Control Wiring Group (2386446 N/S)
23***46Wiring Group-Valve; -Pilot Control1
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Engine Arrangement
1882033 Engine Arrangement-Part 2 Of 2
11***56Fastener Group-Front Housing; (Housing)1
11***84Starting Aid Group; -Air Inlet Heater1
14***57Starting Motor Group-Electric1
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1882035 Engine Arrangement-Part 1 Of 2
11***10Seal Group-Crankshaft1
11***74Filter Group-Engine Oil1
13***44Carrier Group-Seal; (Seal)1
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1882035 Engine Arrangement-Part 2 Of 2
11***56Fastener Group-Front Housing; (Housing)1
14***57Starting Motor Group-Electric1
15***03Plug Group-Cylinder Block; (Cylinder Block)1
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1882033 Engine Arrangement-Part 1 Of 2
11***10Seal Group-Crankshaft1
11***74Filter Group-Engine Oil1
13***44Carrier Group-Seal; (Seal)1
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Engine Arrangement (1882045 N/S)
11***87Crankshaft Group1
11***43Cooler Group-Engine Oil1
12***71Breather Group; -Engine1
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Installation Arrangement (2302097 N/S)-Engine
18***24Muffler Group1
18***24Alternator Group-Charging1
18***29Compressor Group-Refrigerant; (Air Conditioner)1
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Installation Arrangement (1852121 N/S)-Engine
18***21Installation Ar-Engine1
18***23Lines Group-Air1
18***24Muffler Group1
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Frame And Body
Frame And Case Group (1567270 N/S)
Chassis Arrangement (1569496 N/S)
10***35Drawbar Group1
10***38Guard Group-Bottom1
15***00Fender Group1
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Door Group (2562592 N/S)-Rh
Door Group (2562591 N/S)-Lh
Drawbar Group (1077235 N/S)
Rear Enclosure Group (1557701 N/S)-Part 2 Of 2
Enclosure Group (1557701 N/S)-Part 2 Of 2
Enclosure Group (1557701 N/S)-Part 1 Of 2
Fender Group (1557700 N/S)
1567273 Frame And Case Assembly
Sand Blast Grid Group (2332130 N/S)
Sand Blast Grid Group (1856145 N/S)
Radiator Plate Group (2334091 N/S)
23***91Grill Group-Radiator; -Heavy Duty1
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Bottom Guard Group (1077238 N/S)-With Pull Hook
Fuel Tank Guard Group (1557770 N/S)
Fuel Tank Guard Group (2153839 N/S)
Radiator Guard Group (2334073 N/S)
Radiator Guard Group (1557698 N/S)
Hood Group (2027336 N/S)-Part 2 Of 2
Hood Group (2027336 N/S)-Part 1 Of 2
Engine Mounting Group (2015515 N/S)
Radiator Plate Group (1559356 N/S)
Fuel System
2178339 Filter Base Assembly
21***39Filter Base Assembly; (24-Volt)1
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Water Separator And Fuel Filter Group (2729226 N/S)
Water Separator And Fuel Filter Group (1865814 N/S)
Fuel Lines Group (1569072 N/S)-Part 1 Of 2
Fuel Lines Group (1569072 N/S)-Part 2 Of 2
Fuel Filter Lines Group (2159260 N/S)
Unit Injection Hydraulic Pump And Mounting Group (2054161 N/S)
20***61Pump & Mtg Group-Unit Inj Hydraulic1
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Fuel Priming Lines Group (2205976 N/S)-Part 3 Of 3
Fuel Priming Lines Group (2205976 N/S)-Part 2 Of 3
Fuel Priming Lines Group (2205976 N/S)-Part 1 Of 3
2123657 Fuel Priming Pump And Primary Filter Group
21***57Pump Group-Fuel Prm & Water Sep; -Electric-Primary Filter1
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1786342 Fuel Injector Group
17***42Pump Group-Unit Injection; -Fuel1
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Fuel Injection Pump Group (1786343 N/S)
17***43Pump Group-Unit Injection; -Fuel1
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1807341 Unit Injector Hydraulic Pump Group
18***41Pump Group-Unit Injector Hydraulic1
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Fuel Tank Group (1557702 N/S)
1225053 Solenoid Valve Group-Pressure Control
Hydraulic System
3176394 Accumulator Group
Pilot Control Arrangement (2303009 N/S)
23***52Lines Group-Pilot1
23***09Control Ar-Hydraulic Implement1
23***28Control Group-Joystick; -Ripper1
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2309136 Pilot Valve Group
23***36Control Group-Handle; -Ripper Control1
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Hydraulic Hand Control Group (1568957 N/S)-Ripper-Part 2 Of 2
15***57Control Group-Hydraulic Hand; -Ripper1
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Hydraulic Hand Control Group (1568948 N/S)-Bulldozer-Part 2 Of 2
15***48Control Group-Hydraulic Hand; -Bulldozer Angle, Lift, Tilt1
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Hydraulic Hand Control Group (1568957 N/S)-Ripper-Part 1 Of 2
15***57Control Group-Hydraulic Hand; -Ripper1
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Hydraulic Hand Control Group (1568948 N/S)-Bulldozer-Part 1 Of 2
15***48Control Group-Hydraulic Hand; -Bulldozer Angle, Lift, Tilt1
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Valve And Mounting Group (2372828 N/S)
23***28Control Group-Joystick; -Ripper1
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Valve And Mounting Group (2300749 N/S)
23***49Control Group-Pilot Operated Hydraulic; -Bulldozer Control1
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2432058 Cylinder Group-Angle-89mm Bore X 435mm Stroke
24***58Cylinder Group-Angling; (Angle)1
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1526482 Cylinder Group-Angle-89mm Bore X 435mm Stroke
15***82Cylinder Group-Angling; (Angle)1
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1677551 Cylinder Group-Lift-108mm Bore X 390mm Stroke
1600045 Cylinder Group-Tilt -121mm Bore X 99mm Stroke
3g9892 Cylinder Group-Ripper-102mm Bore X 451mm Stroke
Hydraulic Arrangement (1569502 N/S)-3 Valve
15***90Lines Group-Pump1
15***48Control Group-Hydraulic Hand; -Bulldozer Angle, Lift, Tilt1
15***02Hydraulic Ar-3 Valve1
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Hydraulic Arrangement (2302103 N/S)-3 Valve
23***43Lines Group-Pump1
23***44Lines Group-Angle & Tilt1
23***48Lines Group-Lift Cylinder1
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Hydraulic Arrangement (2302136 N/S)-4 Valve
23***53Lines Group-Ripper1
23***36Hydraulic Ar-4 Valve1
23***09Control Ar-Hydraulic Implement1
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Hydraulic Arrangement (1569504 N/S)-4 Valve
15***57Control Group-Hydraulic Hand; -Ripper1
15***78Lines Group-Ripper1
15***04Hydraulic Ar-4 Valve1
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Angle And Tilt Lines Group (1569073 N/S)-Part 1 Of 2
Angle And Tilt Lines Group (1879026 N/S)-Part 1 Of 2
Angle And Tilt Lines Group (1879026 N/S)-Part 2 Of 2
Angle And Tilt Lines Group (2300744 N/S)-Part 1 Of 2
Angle And Tilt Lines Group (2343195 N/S)-Part 1 Of 2
Angle And Tilt Lines Group (1569073 N/S)-Part 2 Of 2
Angle And Tilt Lines Group (1879050 N/S)-Part 1 Of 2
Angle And Tilt Lines Group (2300744 N/S)-Part 2 Of 2
Angle And Tilt Lines Group (2343195 N/S)-Part 2 Of 2
Angle And Tilt Lines Group (1879050 N/S)-Part 2 Of 2
Bulldozer Lines Group (1379370 N/S)
Diagnostic Lines Group (2381021 N/S)-Remote-Part 1 Of 2
23***21Lines Group-Diagnostic; -Remote1
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Diagnostic Lines Group (2381021)-Remote-Part 2 Of 2
23***21Lines Group-Diagnostic; -Remote1
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Diagnostic Lines Group (1985178)-Remote-Part 2 Of 2
19***78Lines Group-Diagnostic; -Remote1
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Diagnostic Lines Group (1985178 N/S)-Remote-Part 1 Of 2
19***78Lines Group-Diagnostic; -Remote1
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Lift Cylinder Lines Group (1569074 N/S)
Lift Cylinder Lines Group (2354392 N/S)
Lift Cylinder Lines Group (2300748 N/S)
Pilot Lines Group (2300750 N/S)-Part 2 Of 2
Pilot Lines Group (2300750 N/S)-Part 1 Of 2
Pilot Lines Group (2374428 N/S)-Part 1 Of 2
Pilot Lines Group (2300752 N/S)-Part 2 Of 2
Pilot Lines Group (2374428 N/S)-Part 2 Of 2
Pilot Lines Group (2300752 N/S)-Part 1 Of 2
Pump Lines Group (1564590 N/S)-Part 2 Of 3
Pump Lines Group (2300743 N/S)-Part 1 Of 3
Pump Lines Group (1564590 N/S)-Part 1 Of 3
Pump Lines Group (1564590 N/S)-Part 3 Of 3
Pump Lines Group (2300743 N/S)-Part 2 Of 3
Pump Lines Group (2300743 N/S)-Part 3 Of 3
Ripper Lines Group (1881839 N/S)-Part 1 Of 2
Ripper Lines Group (2300753 N/S)
Ripper Lines Group (1569078 N/S)
Ripper Lines Group (1881839 N/S)-Part 2 Of 2
Valve Mounting Group (2300751 N/S)
23***51Mounting Group-Valve; -Implement Control1
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1576081 Piston Pump Group-Slipper
1687868 Rotating Pump Group
16***68Rotating Group-Pump; -Hydraulic Oil Cooling Fan1
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Hydraulic Tank And Filter Group (2309131 N/S)-Part 2 Of 2
Hydraulic Tank And Filter Group (1744485 N/S)-Part 1 Of 2
Hydraulic Tank And Filter Group (1744485 N/S)-Part 2 Of 2
Hydraulic Tank And Filter Group (2309131 N/S)-Part 1 Of 2
Valve Mounting Group (2149022 N/S)
2309132 Valve Group-Bank-3
23***32Valve Group-Bank 3; -Dozer Angle, Front Lift, Wing Tilt1
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2096765 Valve Group-Bank-3
20***65Valve Group-Bank 3; -Bulldozer Angle, Lift, Tilt1
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Valve Group (2096766 N/S)-Bank-4
20***66Valve Group-Bank 4; -Bulldozer, Ripper1
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2309134 Valve Group-Bank-4
23***34Valve Group-Bank 4; -Bulldozer, Ripper1
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6e4954 Control Valve Group-Angle
6E***54Valve Group-Control; -Blade Angle1
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Control Valve Group (2096762 N/S)-Lift
20***62Valve Group-Control; -Bulldozer Lift1
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6e4952 Control Valve Group-Ripper
2096761 Control Valve Group-Lift
20***61Valve Group-Control; -Bulldozer Lift1
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Control Valve Group (2384827n/S)-Ripper
6e4953 Control Valve Group-Tilt
6E***53Valve Group-Control; -Bulldozer Tilt1
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Control Valve Group (2384824 N/S)-Lift
23***24Valve Group-Control; -Bulldozer Lift1
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2384826 Control Valve Group-Tilt
23***26Valve Group-Control; -Bulldozer Tilt1
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2384825 Control Valve Group-Angle
23***25Valve Group-Control; -Blade Angle1
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2384823 Control Valve Group-Lift
23***23Valve Group-Control; -Bulldozer Lift1
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1620162 Manifold And Reducing Valve Group
16***62Valve Group-Manifold & Reducing; -Implement Pilot Lines1
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2409651 Pilot Valve Group-Part 2 Of 2
24***51Valve Group-Pilot; -Bulldozer Control1
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2409651 Pilot Valve Group-Part 1 Of 2
24***51Valve Group-Pilot; -Bulldozer Control1
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Pilot Control Arrangement (2303010 N/S)
23***49Control Group-Pilot Operated Hydraulic; -Bulldozer Control1
23***50Lines Group-Pilot1
23***10Valve Group-Pilot; -Bulldozer Control1
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2430665 Cartridge Assembly
24***65Valve Group-Pilot Cartridge; -Bulldozer Lift, Lower1
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1633108 Cartridge Assembly
16***08Valve Group-Pilot Cartridge; -Blade Tilt Right, Left1
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1703357 Pressure Reducing Valve Group
17***57Valve Group-Pressure Reducing; -Implement Pilot Lines1
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1682210 Pressure And Flow Compensator Valve Group
16***10Valve Group-Pump Control; -Pressure, Flow Compensator-Hydraulic Oil Clg Fan Piston Pump1
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1703360 Relief Valve Group-Direct Operated
17***60Valve Group-Relief; -Implement Pilot Lines1
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2258026 Relief Valve Group-Direct Operated
22***26Valve Group-Relief; -Pilot Manifold Pressure1
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Implements
Bar Group (1382447 N/S)
11***98Tie Bolt; (4 Roller)1
11***14Spacer Tube1
11***23Lock Washer; (1 3/4) (4 Roller)1
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Brake Assembly (1207698 N/S)
09***71Pipe Plug (1/8 Npt)2
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
10***83Plug; (Hex Socket) (1/4 Npt) (Early) (Current Brake Housing May Be Visually Distinguished From The Early Design By Locating The -6 Orb Plug At The "B" Brake Pressure Port) (The Early Design Used A Socket Head, 1/4 Npt Plug)4
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Brake Assembly (2111630 N/S)
Bulldozer Arrangement (1879312 N/S)-Power Angle And Tilt
10***12Blade Group-Angling1
10***25Link Group-Pitch; -Fine Grading1
10***35C-Frame Group-Power Angling; -Bulldozer1
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Bulldozer Arrangement (1838350 N/S)-Power Angle And Tilt
10***25Link Group-Pitch; -Fine Grading1
10***26Bearing2
10***85Blade Group-Angling1
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C-Frame Group (1838351 N/S)
C-Frame Group (1047435 N/S)
10***35C-Frame Group-Power Angling; -Bulldozer1
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Clutch Assembly (2111631 N/S)
Winch Case Cover Group (1382440 N/S)
Ripper Cylinder And Mounting Group (1081150 N/S)
Drive Group (1433438 N/S)
Drum Drive Group (1433441 N/S)
Fairlead Assembly (1187211 N/S)-3 Rollers
Fairlead Assembly (1187213 N/S)
11***11Fairlead Assembly1
11***13Fairlead Assembly1
17***70Fleet Roller Kit; (4 Roller)1
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Fleet Roller Kit (1744770 N/S)
Gear Group (1433444 N/S)
Gear Group (1407278 N/S)
Winch Control Group (1433440 N/S)-Part 1 Of 2
Winch Control Group (1433440 N/S)-Part 2 Of 2
Bulldozer Link Group (1047425 N/S)
10***25Link Group-Pitch; -Fine Grading1
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Main Drive Shaft Group (1433442 N/S)
Main Drive Shaft Group (1407277 N/S)
Ripper Mounting Group (1081151 N/S)
Pin Group (1356416 N/S)
Ripper Arrangement (1881876 N/S)
10***49Ripper Group1
10***50Cylinder & Mtg Group-Ripper1
10***51Mounting Group-Ripper1
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Ripper Group (1081149 N/S)
Shaft Group (1382443 N/S)
11***87Thrust Washer .217 In. (5.5 mm)1
11***97Spacer1
11***33Countershaft Pin1
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Winch Arrangement (1254289 N/S)-Towing
12***42Winch Pump1
12***24Control Cable - 90 In. (2286 mm); W/O Freespool Qty Is 23
12***89Towing Winch Arrangement1
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Winch Arrangement (1254288 N/S)-Towing
12***42Winch Pump1
12***24Control Cable - 90 In. (2286 mm); W/O Freespool Qty Is 23
12***88Towing Winch Arrangement1
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Winch Adapter Group (1744769 N/S)
Winch Case Group (1407276 N/S)
13***40Covers1
13***47Bar1
14***76Winch Case1
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Winch Case Group (1433439 N/S)
13***40Covers1
13***47Bar1
14***39Winch Case1
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Winch Control Group (1433455 N/S)
Winch Mounting Group (1433456 N/S)
Winch Control Group (1407281 N/S)-Part 2 Of 2
Winch Control Group (1407281 N/S)-Part 1 Of 2
Bevel Gear Group (1382445 N/S)
11***04O-Ring1
11***54Shim Gasket1
11***55Shim; (.005 In.) (.13 mm)2
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Winch Guard Group (1407280 N/S)
Winch Mounting Group (1407279 N/S)
11***82Draw Bar Pin1
14***79Winch Mounting1
14***55Winch Control1
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Winch Pump Group (1207542 N/S)
Winch Shaft Group (1433445 N/S)
Lubrication System
Breather Group (1208971 N/S)
Engine Oil Filter Group (1174074 N/S)
Fumes Disposal Group (2111835 N/S)
Engine Oil Lines Group (2195853 N/S)
2004497 Engine Oil Pump Group
Engine Oil Pump Group (2122270 N/S)
Machine Arrangement
Fan Arrangement (2263405 N/S)-Blower
18***35Engine Ar-Complete1
19***32Belt Group-Serpentine; -With Air Conditioning1
22***05Fan Ar-Blower1
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General Arrangement (1569490 N/S)
15***90General Ar1
15***96Chassis Ar1
15***02Hydraulic Ar-3 Valve1
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General Arrangement (1569492 N/S)
15***92General Ar1
15***96Chassis Ar1
15***02Hydraulic Ar-3 Valve1
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Operator Station
Seat Adjuster Group (1731028 N/S)-Slide
6w8505 Seat Adjuster Group
6W***05Adjuster Group-Seat; -Suspension1
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Air Conditioner Group (1671458 N/S)
10***20Air Conditioner Group; -Waste Handling1
16***58Air Conditioner Group1
17***93Lines Group-Air Conditioner; -Compressor1
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Air Conditioner Group (1080720 N/S)
10***20Air Conditioner Group; -Waste Handling1
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1987281 Blower Group-Part 1 Of 2
1987281 Blower Group-Part 2 Of 2
Cab Arrangement (1569515 N/S)
15***15Mounting Group-Cab1
15***15Cab Ar1
16***56Rops Group; (Enclosed Rops)1
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2491154 Cab Assembly
Cab Group (2173817 N/S)
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
15***65Kit-Connecting Plug; (8-Pin)(Electronic Control Channel)1
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Cab Group (2532421 N/S)
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
15***65Kit-Connecting Plug; (8-Pin)(Electronic Control Channel)1
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Cab Group (1568911 Cab)-Part 1 Of 3
Cab Group (1568911 N/S)-Part 3 Of 3
Cab Group (1568911 N/S)-Part 2 Of 3
Canopy Arrangement (1662156 N/S)
15***50Seat Group-Suspension; -Vinyl1
16***56Canopy Ar-Open Rops1
16***59Rops Group1
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Refrigerant Compressor Group (1892229 N/S)
18***29Compressor Group-Refrigerant; (Air Conditioner)1
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3047249 Condenser Group
30***49Condenser Group-Refrigerant; -Waste Handling1
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2454413 Condenser Group
1752540 Condenser Group
Console Cover Group (1756956 N/S)-Part 1 Of 2
Console Cover Group (1756956 N/S)-Part 2 Of 2
Console Cover Group (2377282 N/S)
23***82Cover Group-Console; -Hydraulic Implement1
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Console Cover Group (2372820 N/S)-Part 1 Of 2
23***20Cover Group-Console; -Hydraulic Implement1
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Console Cover Group (1671463 N/S)-Implement
16***63Cover Group-Console; -Hydraulic Implement1
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Console Cover Group (1773860 N/S)
Console Cover Group (2021871 N/S)-Lh
Console Cover Group (1773860 N/S)-Part 1 Of 2
Console Cover Group (1773860 N/S)-Part 2 Of 2
Console Cover Group (2372820 N/S)-Part 2 Of 2
23***20Cover Group-Console; -Hydraulic Implement1
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8y4206 Cushion Assembly
Door Group (1671451 N/S)-Rh
Door Group (1671453 N/S)-Lh
Harness Assembly (2343321 N/S)
23***21Harness Assembly; (Back-Up Alarm)1
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Harness Assembly (2416745 N/S)
24***45Harness Assembly; (Rops)(Back-Up Alarm)1
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1276424 Harness Assembly
Heater Group (1671465 N/S)-Orops
Cab Heater Group (1757654 N/S)
1631036 Heater Group-Orops-Part 1 Of 2
1631036 Heater Group-Orops-Part 2 Of 2
1742231 Suspension Housing Group-Part 1 Of 2
1742231 Suspension Housing Group-Part 2 Of 2
Indicator Group (1789018 N/S)-Filter Change
17***18Indicator Group-Air Filter Change1
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Lines Installation Group (2046414 N/S)
20***14Installation Group-Lines; -Air Conditioner1
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Radio Installation Group (1943333 N/S)
Security Installation Group (2383281 N/S)
Security Installation Group (1726031 N/S)
Security Installation Group (2220297 N/S)
Security Installation Group (2383282 N/S)
Weather Insulation Group (1773851 N/S)
3e6389 Dome Lamp Group
3E***89Lamp Group-Dome; -With Switch-Cab, Rh, Lh1
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Latch Group (1943315 N/S)
Cab Liner Group (1702084 N/S)
Air Conditioner Lines Group (1719593 N/S)-Part 1 Of 2
17***93Lines Group-Air Conditioner; -Compressor1
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Air Conditioner Lines Group (1719593 N/S)-Part 2 Of 2
17***93Lines Group-Air Conditioner; -Compressor1
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Heater Lines Group (1719592 N/S)
Heater Installation Group (2223800 N/S)
Literature Group (6v1971 N/S)
24***41Padlock Group; (1 On Fuel Tank Cap) (1 On Hydraulic Tank Cap) (1 On Grill Latch)1
5P***58Sleeve; (Cable Splice)1
5P***00Key Total 2 Pieces Per Unit; (Literature Compartment)2
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Literature Group (5p2506 N/S)
5P***06Literature Group1
7F***00Bag Containing Literature; As Specified On The Factory Notification List Of Current Service Publications1
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Rear View Mirror Group (8e8706 N/S)
1666928 Electronic Control Group-Quad Gage Module
16***28Module Group-Quad Gauge; -Engine Coolant Temp, Transmission Oil Temp, Hydraulic Oil Temp, Fuel Level1
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Cover And Mounting Group (1568915 N/S)
Platform Mounting Group (2183137 N/S)-Part 2 Of 2
Platform Mounting Group (2372830 N/S)-Part 1 Of 2
Platform Mounting Group (2183137 N/S)-Part 1 Of 2
Platform Mounting Group (2372830 N/S)-Part 2 Of 2
Rops Mounting Group (1568397 N/S)
1780605 Backrest Pan Group
Pan Group (1807305 N/S)-Backrest
Instrument Panel Group (1652790 N/S)-Part 1 Of 2
16***90Panel Group-Instrument; -Open Rops1
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Instrument Panel Group (1568951 N/S)-Part 2 Of 2
Instrument Panel Group (1568951 N/S)-Part 1 Of 2
Instrument Panel Group (1652790 N/S)-Part 2 Of 2
16***90Panel Group-Instrument; -Open Rops1
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Panel Insulation Group (2173815 N/S)
21***15Panel Group-Insulation; (Sound)1
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2491155 Platform Assembly
Operator Platform Group (1649140 N/S)-Part 1 Of 2
Platform Group (2532424 N/S)
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
15***65Kit-Connecting Plug; (8-Pin)(Electronic Control Channel)1
15***55Control Group-Steering & Xmsn1
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Operator Platform Group (1649140 N/S)-Part 2 Of 2
Platform Group (2183062 N/S)
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
11***03Plug As-Code1
15***65Kit-Connecting Plug; (8-Pin)(Electronic Control Channel)1
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Cab Pressurizer Group (1630152 N/S)-Part 2 Of 2
Cab Pressurizer Group (1630152 N/S)-Part 1 Of 2
Seat Recliner Group (1774935 N/S)
Rollover Group (1671459 N/S)-Open-Part 1 Of 2
Rollover Group (1671459 N/S)-Open-Part 2 Of 2
Rollover Group (1671459 N/S)-Part 2 Of 2
Rollover Group (1671456 N/S)-Erops
Rollover Group (1671459 N/S)-Part 1 Of 2
Protective Screen Group (1757225 N/S)-Orops
Sun Screen Group (1736772 N/S)
1807304 Seat Group-Vinyl
1846011 Seat Group-Vinyl
1780603 Seat Group-Fabric-Part 2 Of 2
1780606 Seat Group-Fabric
1780603 Seat Group-Fabric-Part 1 Of 2
2003174 Suspension Seat Group
20***74Seat Group-Suspension; -Cloth, Air-Cloth1
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Suspension Seat Group (2277011 N/S)-Vinyl
Suspension Seat Group (2277013 N/S)-Vinyl
22***13Seat Group-Suspension; -Vinyl, Low Back1
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6w9744 Suspension Seat Group-Vinyl
6W***44Seat Group-Suspension; -Vinyl, Low Back1
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Suspension Seat Group (2277010 N/S)
Suspension Seat Group (2277012 N/S)-Fabric
22***12Seat Group-Suspension; -Cloth, Air1
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1592950 Suspension Seat Group
1607186 Suspension Seat Group
Step Group (1773852 N/S)
1912933 Seat Suspension Group-Air-Part 1 Of 2
19***33Suspension Group-Seat; -Air-Cloth1
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1607165 Seat Suspension Group-Part 2 Of 2
1912933 Seat Suspension Group-Air-Part 2 Of 2
19***33Suspension Group-Seat; -Air-Cloth1
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1607165 Seat Suspension Group-Part 1 Of 2
6w8502 Seat Suspension Group-Part 2 Of 2
6w8502 Seat Suspension Group-Part 1 Of 2
Sweep Group (2250436 N/S)
Windshield Washer Bottle Group (2270900 N/S)
1662103 Window Group-Lh
1662104 Window Group-Rh
Cab Window Group (1568916 N/S)
Wiper Group (1702086 N/S)-Part 1 Of 2
Wiper Group (1702086 N/S)-Part 2 Of 2
Power Train
Transmission Hydraulic Control Group (2053603 N/S)-Part 1 Of 2
Transmission Hydraulic Control Group (2053603 N/S)-Part 2 Of 2
Transmission Hydraulic Control Group (2053603 N/S)
20***03Control Group-Transmission Hydraulic1
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Final Drive Group (1961863 N/S)-Part 1 Of 2
Final Drive Group (1961862 N/S)-Part 1 Of 2
Final Drive Group (1961863 N/S)-Part 2 Of 2
Final Drive Group (1961862 N/S)-Part 2 Of 2
Transmission Filter Group (1780568 N/S)
17***68Filter Group-Oil; -Power Train-Transmission Charging1
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2386809 Power Train Oil Filter Group
Bevel And Transfer Gear Group (2008647 N/S)-Part 2 Of 2
Bevel And Transfer Gear Group (2008647 N/S)-Part 1 Of 2
Power Train Oil Lines Group (1569071 N/S)-Part 4 Of 4
Power Train Oil Lines Group (1569071 N/S)-Part 3 Of 4
Power Train Oil Lines Group (1569071 N/S)-Part 2 Of 4
Power Train Oil Lines Group (2363975 N/S)-Part 1 Of 4
Power Train Oil Lines Group (1569071 N/S)-Part 1 Of 4
Power Train Oil Lines Group (2363975 N/S)-Part 2 Of 4
Power Train Oil Lines Group (2363975 N/S)-Part 3 Of 4
Power Train Oil Lines Group (2363975 N/S)-Part 4 Of 4
Torque Converter Mounting Group (1759402 N/S)
Transmission Mounting Group (1087039 N/S)
Planetary Transmission Group (2032297 N/S)-Part 2 Of 5
Planetary Transmission Group (2032297 N/S)-Part 1 Of 5
Planetary Transmission Group (2032297 N/S)-Part 4 Of 5
Planetary Transmission Group (2032297 N/S)-Part 3 Of 5
Planetary Transmission Group (2032297 N/S)-Part 5 Of 5
Power Train Arrangement (1751156 N/S)
Power Train Arrangement (1751155 N/S)
Gear Pump Group (1752787 N/S)
17***87Pump Group-Gear; -Power Train Oil1
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1788613 Gear Pump Group
17***13Pump Group-Gear; -Converter Scavenge-Torque Converter Oil-Xmsn Charging1
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Sprocket Segment Group (7g0841 N/S)
7G***41Segment Group-Sprocket; -2 Required1
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Main Drive Shaft Group (1755185 N/S)
Torque Converter Group (1853634 N/S)-Part 1 Of 2
Torque Converter Group (1853634 N/S)-Part 2 Of 2
1t1775 Torque Converter Group
2008643 Transmission Arrangement
2204324 Modulating Valve Group
22***24Valve Group-Modulating; -Transmission Control-Transmission Clutch1
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1863396 Priority Valve Group-Part 1 Of 2
18***96Valve Group-Priority; -Power Train-Power Train Oil1
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1863396 Priority Valve Group-Part 2 Of 2
18***96Valve Group-Priority; -Power Train-Power Train Oil1
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2053602 Relief Valve Group
20***02Valve Group-Relief; -Transmission Control1
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6y8473 Relief Valve Group
6Y***73Valve Group-Relief; -Torque Converter Outlet1
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2695771 Solenoid Valve Group
26***71Valve Group-Solenoid; (Power Train Oil Priority Valve)1
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1984607 Solenoid Valve Group
19***07Valve Group-Solenoid; (Power Train Oil Priority Valve)1
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Service Equipment And Supplies
Film Group (1731622 N/S)
Film Group (1731621 N/S)
Film Group (1693222 N/S)
13***76Film; (Warning) (Universal) (Lh Side Post Inside Cab)1
16***70Film; (No Step)2
16***22Plate & Film Group1
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Film Group (1693220 N/S)
13***76Film; (Warning) (Universal) (Lh Side Post Inside Cab)1
16***70Film; (No Step)2
16***20Plate & Film Group1
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Film Group (2424932 N/S)
13***58Film; (Identification) (On Radiator Filler Cap) (On Near Of Radiator Filler Cap)1
15***64Film; (Instruction) (Hydraulic Oil) (On Forward Of And Above The Hydraulic Tank Sight Gage On Tank Surface)1
17***23Film; (Notice) (Shipping) (On Rh Side Panel Below Engine Enclosure)1
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Film Group (2424930 N/S)
13***58Film; (Identification) (On Radiator Filler Cap) (On Near Of Radiator Filler Cap)1
15***64Film; (Instruction) (Hydraulic Oil) (On Forward Of And Above The Hydraulic Tank Sight Gage On Tank Surface)1
17***23Film; (Notice) (Shipping) (On Rh Side Panel Below Engine Enclosure)1
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Steering And Braking System
Steering And Transmission Control Group (1242354 N/S)-Part 2 Of 2
12***54Adjuster Group-Control; (Steering, Xmsn Control, Elect)1
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Steering And Transmission Control Adjuster Group (1242354 N/S)-Part 1 Of 2
12***54Adjuster Group-Control; (Steering, Xmsn Control, Elect)1
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Steering Brake Group (1950645 N/S)
17***34Clutch & Brake Group-Steering2
19***45Brake Group-Steering1
19***53Fastener Group-Engine; -Steering, Brake Control Valve1
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Steering Clutch And Brake Group (1784434 N/S)-Part 2 Of 2
Steering Clutch And Brake Group (1784434 N/S)-Part 1 Of 2
Governor And Brake Control Group (2480760 N/S)-Part 2 Of 2
Governor And Brake Control Group (2480760 N/S)-Part 1 Of 2
Brake Control Group (1236446 N/S)
Steering And Transmission Control Group (1568955 N/S)
Steering And Transmission Control Group (2003166 N/S)-Part 2 Of 2
Steering And Transmission Control Group (2402571 N/S)
24***71Control Group-Steering & Xmsn; (Adjustable)1
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Steering And Transmission Control Group (2003166 N/S)-Part 1 Of 2
Steering And Transmission Control Group (2402570 N/S)-Part 2 Of 2
Steering And Transmission Control Group (2402570 N/S)-Part 1 Of 2
Steering And Transmission Control Group (2003167 N/S)
20***67Control Group-Steering & Xmsn; (Adjustable)1
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1227372 Steering Gear Group
12***72Gear Group-Steering; -Steering Clutch, Brake, Lh1
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1259664 Steering Gear Group
12***64Gear Group-Steering; -Steering Clutch, Brake, Rh1
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Manifold Group (1646093 N/S)
16***93Manifold & Valve Group; -Steering Clutch, Brake, Rh, Lh1
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Manifold Group (1754972 N/S)
17***72Manifold & Valve Group; -Steering Clutch, Brake, Rh, Lh1
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Governor And Brake Control Group (1994801 N/S)-Part 1 Of 2
2480770 Control And Mounting Group-Pedal
24***70Pedal Group-Governor & Brake; (Pedal)1
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Governor And Brake Control Group (1994801 N/S)-Part 2 Of 2
Steering Clutch Input Shaft Group (1356161 N/S)
13***61Shaft Group-Steering Clutch Input1
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1722392 Solenoid Valve Group
17***92Valve Group-Solenoid; (Parking, Secondary Brake)1
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1744909 Solenoid Valve Group
17***09Valve Group-Solenoid; (Steering Clutch, Brake, Rh, Lh)1
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2017272 Steering And Brake Control Valve Group
20***72Valve Group-Steering & Brake Cont1
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Steering And Brake Control Valve Group (2017270 N/S)
20***70Valve Group-Steering & Brake Cont1
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Undercarriage
Equalizer Bar Group (1729871 N/S)-Lgp
Equalizer Bar Group (1729870 N/S)
Track Idler Cap Group (1106122 N/S)
11***22Cap Group-Track Idler; -Mounting1
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Track Idler Cap Group (1079109 N/S)
Track Roller Frame Group (2483965 N/S)-Lgp
Track Roller Frame Group (1989781 N/S)-Lgp
Track Roller Frame Group (2483964 N/S)
24***64Frame Group-Track Roller; -Systemone1
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Track Roller Frame Group (1989773 N/S)
Track Guide Guard Group (2056122 N/S)
20***22Harness; Wire, Guard Group-Track Guide; -Short Xl1
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Track Guide Guard Group (2056126 N/S)-Center
20***26Guard Group-Track Guide; -Center Lgp1
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Track Roller Guard Group (2518617 N/S)
25***17Guard Group-Track Roller; -Systemone1
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Track Roller Guard Group (2056123 N/S)
Track Guiding Guard Arrangement (2056132 N/S)
12***43Roller Group-Track-Double Flange; -Tall-Heavy-Duty10
20***22Harness; Wire, Guard Group-Track Guide; -Short Xl1
20***32Guiding Ar-Undercarriage; -Heavy-Duty, Xl1
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Track Guiding Guard Arrangement (2056133 N/S)
12***43Roller Group-Track-Double Flange; -Tall-Heavy-Duty10
20***23Guard Group-Track Roller1
20***33Guiding Ar-Undercarriage; -Extreme Service, Xl1
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1901551 Track Idler Group
1901534 Track Idler Group-Rear
1080955 Link Assembly-Track
1080954 Link Assembly-Track
Carrier Roller Mounting Group (1243538 N/S)-Lgp
Carrier Roller Mounting Group (1243537 N/S)
Pivot Shaft Group (1077253 N/S)-Lgp
Pivot Shaft Group (1077252 N/S)
6k9880 Track Carrier Roller Group
6K***80Roller Group-Track Carrier; (Upper)1
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1248243 Track Roller Group-Double Flange
12***43Roller Group-Track-Double Flange; -Tall-Heavy-Duty1
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Track Roller And Mounting Group (1254170 N/S)-Double Flange
12***70Roller Group-Track-Double Flange1
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Track Roller And Mounting Group (1254169 N/S)-Single Flange
12***69Roller Group-Track-Single Flange1
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Track Adjuster And Recoil Group (1088137 N/S)
1082625 Track Group-760mm Grouser Shoe
1082634 Track Group-770mm Self Cleaning Shoe
1082632 Track Group-510mm Grouser Shoe
1082633 Track Group-560mm Grouser Shoe
1082622 Track Group-560mm Grouser Shoe
Undercarriage Arrangement (1738649 N/S)
10***52Pivot Bar Group1
10***22Track Group; -2-Required2
12***37Mounting Group-Carrier Roller1
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Undercarriage Arrangement (1738650 N/S)
10***53Pivot Bar Group1
10***25Track Group; -2-Required2
12***38Mounting Group-Carrier Roller1
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Undercarriage Group (1989780 N/S)
10***09Cap Group-Track Idler8
12***69Roller Group-Track-Single Flange8
12***70Roller Group-Track-Double Flange6
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Undercarriage Group (1989772 N/S)
11***22Cap Group-Track Idler; -Mounting8
12***69Roller Group-Track-Single Flange8
12***70Roller Group-Track-Double Flange6
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Work Tools
Angling Blade Group (1047412 N/S)
Blade Group (1088585 N/S)
Ripper Tooth Group (3g0109 N/S)

D5N serial number reference

The PIN is stamped CAT plus a model designator for D5N plus the 3-letter serial prefix (AGG, CFH, AKD, or CKT) plus a 5-digit sequence number - for example an AGG-block machine's serial reads like AGG00254, and CKT-block numbering starts at CKT00001. The prefix identifies configuration (XL vs LGP) and production block; the 5 digits are the sequential unit number within that block. Cat mounts the PIN plate on the machine frame, but the exact spot varies by dozer model (frame rail near the cab, engine compartment, or one side of the rear frame) - check the operator's manual or ask your dealer to confirm the plate location on a D5N before hunting for it in the field.

PrefixIdentifies
AGGD5N XL track-type tractor, first production serial block
CFHD5N XL track-type tractor, later production serial block
AKDD5N LGP (low ground pressure) track-type tractor, first production serial block
CKTD5N LGP (low ground pressure) track-type tractor, later production serial block

Frequently asked questions

What engine powers the Caterpillar D5N?

The D5N runs a Cat 3126B, a turbocharged and air-to-air aftercooled inline six-cylinder diesel displacing 7.2 L (439 cu in) with HEUI electronic unit injection. Cat rates it near 86 kW (115 hp) net, with gross flywheel figures around 88-90 kW (119-121 hp) depending on the rating standard used on a given spec sheet.

What is the operating weight of the Caterpillar D5N?

Operating weight varies by configuration. The XL arrangement runs about 12.7-12.8 tonnes (28,000-28,300 lb); the wider-tracked LGP arrangement runs about 13.2-13.5 tonnes (29,200-29,800 lb). Exact figures shift with blade, cab, counterweight and attachment choices, so treat these as ranges rather than a single number.

What replaced the Caterpillar D5N?

Caterpillar retired the D5N nameplate after production ended in the mid-to-late 2000s and moved the small/medium elevated-sprocket dozer line to the hydrostatic-drive D5K in 2008, followed by the D5K2. Caterpillar then renamed that line the D3 during its 2021 dozer lineup simplification, so no current model carries the D5N name directly.

What D5N owners discuss

What engine is in the D5N, and what quirks show up over time?
The D5N runs the Cat 3126B diesel with a HEUI (hydraulically actuated, electronically controlled unit injector) fuel system. Reported net power sits in the mid-80s to low-90s kW (115-121 hp) range depending on source and rating point, so treat any single number as configuration-dependent. Owners describe black smoke, misfire, and erratic RPM tied to the HEUI system. A sticking Injection Actuation Pressure control valve, gummed up by sludge or debris, is a recurring culprit, along with a check valve/pressure regulator O-ring on the cylinder heads fuel return port that wears and causes extended cranking or a rough cold start. A known wiring harness chafe point sits behind the HEUI pump at the corner of the intake manifold; if it rubs through, expect an unexpected shutdown. Fuel line pressure on this system runs high, so any suspected leak or persistent hard-start complaint should go to a dealer technician to verify before the machine goes back to work.
How should the powershift transmission be operated, and what causes the overheating complaints?
The D5N uses a powershift transmission with forward and reverse ranges. Consensus among long-time operators is to use the decelerator pedal when shifting between forward and reverse and between speed ranges. The transmission is built to take a shift at full power, but easing off protects the clutch packs since the lighter speed clutches load up first and the heavier directional clutches take the load last. A recurring complaint is a transmission oil temperature warning appearing under sustained load in hot ambient conditions. Before assuming a mechanical fault, confirm oil is actually circulating through the cooler and that the fluid meets Cat TO-4 spec - one documented case involved hydraulic oil mistakenly added to the transmission case, which triggered a major leak and overheating.
What electrical and sensor problems come up most often on the D5N?
The N-series dozers (D5N included) carry a lot of sensors and harness connectors, and connector corrosion or a chafed harness run is the most cited failure mode. One owner reported a repair bill near USD 18,000 for harness and sensor replacement by around 6,000 hours. A specific pattern reported around the 5,000-hour mark is a steering ground-fault warning traced to oil-impregnated solenoid coils and connectors at the steering solenoids; depending on which solenoid is affected, access can require partial transmission removal. Diagnostic codes are read at a 4-pin monitor connector behind the operator seat, grouped by system (monitoring, engine, transmission). Because a steering solenoid fault affects directional control, have a dealer technician verify any steering-related fault code before returning the machine to service.
Why does the blade drop a few inches before it lifts, and what fixes it?
This is a known main control valve sealing issue. Owners who pulled the valve found worn or missing O-rings in the lift section, and reseating or replacing the seal kit resolved the delayed-lift symptom. General hydraulic troubleshooting on this machine starts with isolating whether a solenoid is holding a spool open - unplugging it to see if the drift stops - before pulling the valve apart, since a sticking solenoid and a worn valve seal produce similar symptoms.
What is the track adjuster/roller frame failure pattern to watch for?
Track tension on the D5N is held by grease, not oil - the oil in the adjuster housing is there only to prevent rust. A track that keeps going loose almost always means the adjuster is leaking grease past its seals. A separate, well-documented complaint is a leaking front cap on the roller frame caused by a worn adjuster guide or bushing; the extra play lets pressure spike enough to shear the guide bolts. Lifting the front of the machine and checking how freely the adjuster guide rotates and moves is the standard first check before condemning the cylinder itself.
How do the XL and LGP undercarriage configurations differ in wear and use?
XL runs the narrower track gauge, around 1770 mm (70 in), with a shoe width around 560 mm (22 in), and is favored for finish grading - operators describe it as better balanced than a standard-gauge machine, which some call twitchy on the front end. LGP runs a wider gauge, around 2000 mm (79 in), with wider shoes around 760 mm (30 in), for flotation in soft or wet ground, at some cost to maneuverability and finish work. Reported track wear-life ratings differ between the two configurations, so treat any specific wear-life figure as tied to the configuration rather than a single fixed D5N number.
What should a buyer check on a used D5N?
Undercarriage first - uneven wear, flattened bushings, worn pads, and the shoe/link mating and seal surfaces are the costliest items to replace and the least obvious to an untrained eye. Check the blade and cutting edge for weld repairs or patched plate, a sign of hard use or prior damage. Run the engine and watch idle steadiness, throttle response, and exhaust color; heavier smoke points toward injector or airflow trouble on the 3126B. Cycle the transmission through directions and speed ranges for smooth, predictable engagement, and cycle the blade and ripper repeatedly - slowing cycle times point to internal hydraulic leakage or pump wear. Pull maintenance records for hour totals and prior repairs, and budget for a technician to do a proper wear measurement before committing - the undercarriage alone can run well into five figures to replace, and any transmission, steering, or fuel-system red flag found during inspection should be confirmed by a dealer technician before purchase.

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

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