Caterpillarchallenger
Caterpillar 75C
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 75C Challenger is a rubber-track (Mobil-Trac) crawler agricultural tractor built from 1993 to 1996, the high-horsepower flagship of Caterpillar's original Challenger row-crop and four-wheel-drive-class lineup. It runs the Cat 3176 ATAAC turbocharged, air-to-air aftercooled 10.3 L inline-six diesel, rated 242.4 kW (325 hp) gross at 2100 rpm, paired with a 10-speed forward/2-speed reverse full powershift transmission and closed-center hydraulics. Operating weight runs around 15,107 kg (33,305 lb), varying with ballast and drawbar or three-point configuration. Cat carried the serial prefix 4KK for this generation and offered it in drawbar and PTO-equipped configurations for tillage and row-crop work. It replaced the base Challenger 75 (4CJ prefix) and was itself replaced by the 75D (5AR prefix, 3176C ATAAC, roughly 330 hp), followed later by the 75E (1HM prefix).
Across the 75-series, Caterpillar kept the same Mobil-Trac undercarriage and swing-arm chassis layout while pushing engine output up each generation, moving from the base 75 through the 75C, 75D, and 75E mainly through injection and aftercooling refinements on the 3176/3176C rather than a chassis redesign. The 75C sits near the peak of Caterpillar's original agricultural-tractor era, built only a few years before Caterpillar exited farm equipment and sold the line to AGCO, which carried the Challenger name forward on a different platform. In today's used and parts market, the 75C holds value because its engine, powershift transmission, and Mobil-Trac undercarriage share heavy parts commonality with the 75 and 75D siblings, keeping sourcing viable well past the brand's short Cat-era production run, and its rubber-belt undercarriage keeps steady demand for belts, rollers, and idler wheel parts.
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 75C specifications
Engine
| Engine model | Cat 3176 ATAAC, turbocharged and air-to-air aftercooled diesel, 6-cylinder inline, liquid-cooled |
| Displacement | 10.3 L (629 cu in) |
| Bore x stroke | 125 x 140 mm (4.92 x 5.5 in) |
| Compression ratio | 16:1 |
| Rated engine speed | 2100 rpm |
| Gross power | 242.4 kW (325 hp) at 2100 rpm |
| Drawbar power | 190.9 kW (256 hp) claimed; 187.2 kW (251 hp) as tested |
| PTO power | 208.8 kW (280 hp) claimed; 225.1 kW (301.85 hp) as tested |
| Cold-start aids | Dual dry-element air cleaner, ether-assist starting fluid injection, coolant block heater |
| Starting system | 12V electric start |
| Emissions tier | Not applicable — 1993-1996 production predates modern emissions-tier certification |
Weights
| Operating weight | 15,107 kg (33,305 lb) |
| Ground pressure | 0.4 bar (5.2 psi) |
| Shipping weight | Not separately published — operating weight is the figure carried on spec sheets for this crawler tractor |
Dimensions
| Overall length | 589 cm (232 in) |
| Overall width | 304 cm (120 in) |
| Height at cab | 325 cm (128 in) |
| Height at exhaust | 365 cm (144 in) |
| Wheelbase / track length on ground | 272 cm (107.1 in) |
| Track gauge | 228 cm (90 in) |
| Track shoe width (standard) | 76 cm (30 in) |
| Ground contact area | 4.1 sq m (6,428 sq in) |
| Drawbar clearance | 38 cm (15 in) |
Performance
| Maximum drawbar pull (tested) | 15,562 kg (34,309 lb) |
| Transmission | Full power-shift with electro-hydraulic dual-clutch control, 10 forward / 2 reverse speeds |
| PTO speed | 1000 rpm, rear, manually engaged |
| Steering | Hydrostatic power steering with hydraulic wet-disc brakes |
| Travel speed | Not documented to a verifiable, model-specific figure across available spec sheets — verify with operator's manual or dealer |
| Fuel consumption (tested, full load) | 59.4 L/hr (15.7 gal/hr) at drawbar; 61.3 L/hr (16.2 gal/hr) at PTO |
Service capacities (summary)
| Fuel tank | 791.1 L (209 gal) |
| Hydraulic system, total | 109.8 L (29 gal) |
| Hydraulic pump flow | 102.2 L/min (27 gpm) standard, 132.5 L/min (35 gpm) optional; closed-center system at 175.8 bar (2550 psi) |
| Steering pump flow | 232.4 L/min (61.4 gpm) at approx. 419.9 bar (6090 psi) |
| Engine oil | 30.0 L (31.7 qt) |
| Cooling system | 56.8 L (60 qt) |
| Transmission/final drive oil | 56.8 L (60 qt) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
75C fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase, with filter (Cat 3176 ATAAC, 10.2-10.3L inline-6) | 28 L (7.4 US gal per factory spec sheet, rounded to 8 US gal in the source table); independent tractor-spec databases list 30.0 L (31.7 qt) | Cat DEO (Diesel Engine Oil) meeting API CD/CF-4/CH-4 era spec. SAE 15W-40 for normal ambient operation; drop to SAE 10W-30 or 0W-30 for sustained cold-weather starting below freezing. |
| Cooling system | 57 L (15 US gal) | Cat heavy-duty antifreeze/coolant (Cat DEAC-era formulation), minimum 30% concentration in clean water, maintained with a spin-on supplemental coolant additive (SCA) element per the engine's built-in coolant conditioner. Raise antifreeze percentage for lower ambient temperatures per the freeze-protection chart. |
| Fuel tank | 719 L (190 US gal) per the Cat factory spec sheet; some independent tractor-spec databases instead list about 791 L (209 US gal) - varies by source/configuration, confirm against the tank sight gauge | No. 2-D diesel fuel for normal temperatures; No. 1-D diesel in cold weather for improved cold-flow. |
| Transmission (10-speed full-powershift, direct-drive) | 57 L (15 US gal) | Factory fill is a straight-viscosity SAE 10W hydraulic/transmission oil (Cat HYDO 10W or equivalent). Cat's current cross-reference for this system on older Challenger tractors is Cat MTO (Multipurpose Tractor Oil). Note: this factory 10W fill is a documented point of dealer disagreement - several service outlets recommend stepping up to an SAE 15W-30 spec fluid to reduce gear and clutch wear. |
| Differential and final drive (combined, both sides) | 189 L (50 US gal) | Same fluid family as the transmission - factory-fill straight SAE 10W (Cat HYDO/Cat MTO), with the SAE 15W-30 alternative noted by some dealers for heavier-duty service. |
| Hydraulic system (closed-center, load-sensing reservoir) | 95 L (25 US gal) standard; 105 L (28 US gal) on tractors equipped with the three-point hitch | Cat HYDO straight SAE 10W is the documented factory fill for this closed-center load-sensing system, with Cat MTO as the modern cross-reference. Because the hydraulic reservoir shares fluid with attached implements, oil that has run in this tractor carries the lighter 10W viscosity into other equipment - flush and refill with a heavier oil if moving an implement to a different make of tractor. |
| Grease (all fittings, spec only) | N/A - spec only, no reservoir capacity | Cat Multipurpose Grease or Cat Advanced 3Moly Grease, NLGI Grade 2, applied per the lubrication interval chart at bogie pivots, steering linkage, driveline U-joints, and PTO shaft if equipped. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 75C maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 6,000 h |
|
Servicing the 75C beyond the schedule
Predictive Maintenance & Fluid Analysis
Run oil sampling on the 3176 ATAAC's engine oil, the powershift transmission oil, and the closed-center hydraulic oil to catch wear trends before failure. Watch final drive oil samples closely, since track-drive torque loading shows up as metal fines earlier than on wheeled machines. Track coolant conditioner concentration to protect the block from cavitation pitting. Log Mobil-Trac belt tension and wear trends between services to plan belt replacement before steel cord exposure.
Corrective & Common Repairs
Power loss or smoke on the 3176 ATAAC usually traces to turbocharger boost leaks, aftercooler core damage, or worn injectors. Powershift clutch slippage shows up as delayed shifts or hunting under load. Mobil-Trac belts suffer edge wear and cord separation from tight-radius turns and side-hill work, so check tension and tracking often. Final drive housing seals leak with age and should be checked at every oil-level inspection, and idler or roller wheel play signals bearing wear needing correction.
Overhaul & Rebuild Points
Mid-life rebuild points on the 75C center on the 3176 ATAAC's turbocharger cartridge, fuel injectors, injection pump calibration, and water pump. Valve lash needs periodic reset. Powershift clutch packs and steering-clutch modulation wear with hours and eventually need rebuild. On the undercarriage, swing-arm pivot bearings are sealed but not lifetime parts, and Mobil-Trac drive sprocket segments and mid-roller wheels wear enough to need replacement well before the belts themselves are due.
Seasonal & Environment Servicing
Before high-torque tillage season, check Mobil-Trac belt tension and wear, since cold rubber is less forgiving under load. Verify coolant concentration and cold-start aids for the 10.3 L inline-six ahead of winter. Row-crop dust loads the radiator and aftercooler core faster than other duty cycles, so clean cores often during harvest. At end of season, stabilize fuel, drain the water separator, and relieve belt tension during storage to prevent flat-spotting the rubber tracks.
75C common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 9T-0973 | Filter-Oil | Hydraulic service | Check fitment → |
| 8C-5346 | Film | Hydraulic service | Check fitment → |
| 8C-5347 | Film-Identification | Lubrication service | Check fitment → |
| 8C-8902 | Film | Lubrication service | Check fitment → |
| 7X-0293 | Bolt-For Transmission Filter Return Line | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
75C fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CID 190-08 (engine speed sensor, MID 36) | Engine control detects an abnormal frequency, pulse width, or period on the engine speed/timing sensor signal | Sensor air gap out of spec against the timing wheel, a damaged timing-wheel tooth, or a corroded sensor connector | Check sensor air gap and connector condition before replacing the sensor; confirm with the service tool that the signal cleans up |
| CID 110-03 (coolant temperature sensor, MID 36) | Coolant temperature sensor circuit reads voltage above the normal range (open circuit or short to a higher-voltage source) | Open sensor wiring, a corroded/loose connector, or a failed sensor element | Inspect the sensor connector and wiring for an open circuit, test sensor resistance against spec, replace the sensor if out of range |
| CID 091-02 (throttle/governor position sensor, MID 36) | Throttle or governor control position sensor signal is erratic or intermittent | Worn or loose linkage at the sensor, an intermittent connector, or sensor wear | Inspect linkage and sensor mounting, clean and reseat the connector, recalibrate or replace the sensor if the fault persists |
| CID 102-04 (turbocharger compressor/boost pressure sensor, MID 36) | Boost pressure sensor circuit reads current below normal, consistent with an open circuit | Open sensor wiring, a disconnected sense line, or a failed sensor | Check sensor wiring and sense line for a break or disconnect, test the sensor, replace if the circuit stays open |
| CID 168-02 (electrical system voltage, MID 36) | Engine control sees erratic or intermittent system voltage at its power supply | Loose battery terminals or ground straps, a marginal charging system, or a poor ECM power/ground connection | Check battery terminals, ground straps, and charging output before suspecting the control module itself |
| CID 253-13 (system/customer configuration parameters, MID 36) | One or more customer or system configuration parameters are out of calibration or unprogrammed | ECM was replaced or reset and parameters were never reprogrammed, or parameter memory was corrupted | Reprogram customer and system parameters with the Caterpillar service tool per the machine's data plate |
| CID 001-05 through CID 006-05 (per-cylinder injector solenoid, MID 36) | Injector solenoid circuit on the numbered cylinder reads current below normal, consistent with an open circuit | Open solenoid coil, damaged harness or connector to that injector, or a failed driver in the control module | Check wiring and connector to the affected injector, measure solenoid coil resistance, repair the harness or replace the injector as needed |
| CID 035-02 (gear/transmission switch position, MID 36) | Gear switch position signal used by the engine control is erratic or intermittent | Worn, misaligned, or contaminated gear position switch, or a wiring fault at the switch connector | Inspect and clean the gear switch and connector, verify switch adjustment, replace the switch if the signal stays erratic |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
75C attachments & work tools
Drawn tillage tools (primary work-tool family)
Heavy chisel plows, disc harrows, subsoilers/rippers and field cultivators sized for the 300+ engine hp / roughly 250 hp drawbar class are the main implements matched to this tractor. These pull off the drawbar rather than the three-point arm on the heaviest jobs.
Three-point-hitch implements
Rear three-point linkage is offered in this size class, commonly cited as Category III (some large Challenger track tractors of this era spec Category IIIN). Published lift-capacity figures are inconsistent across sources, so treat capacity as varying by configuration/series and confirm on the data plate or dealer spec sheet.
PTO-driven implements
Rear PTO runs at 1000 rpm with a large-diameter spline (reported as 1-3/4 in on machines in this horsepower class), suited to PTO pumps and heavy rotary/flail tools. PTO use is secondary on this class of row-crop track tractor compared to drawbar and hitch work, and some units were built drawbar/hitch-only without PTO.
Drawbar / coupling system
Standard coupling is a swinging drawbar on a multi-ear hanger support, located with a heavy drawbar pin (reported around 1-5/8 in), sized for high-draft pull-type tools. A hydraulically actuated swinging drawbar is discussed for easier turning on hillside pulls with rippers, but sourcing points to this being a dealer/owner conversion rather than a confirmed factory catalog item - verify before ordering.
Track/undercarriage width option
Rubber belt track is offered in two widths for this size class, 635 mm (25 in) and 762 mm (30 in), traded off for flotation versus traction/ground pressure. Some 75C serial ranges cannot run the 30 in belt because it interferes with the track tension cylinder, so belt width choice depends on the specific serial/production run - check the machine before ordering the wider belt.
Ballast / weight kits
Front weight bracket kits and suitcase-style added weights are documented accessories for this tractor family, used to balance the machine when heavy rear-mounted or drawn implements are in use. No factory front-mount blade or dozer attachment is documented for this model; blades seen on 65/75-class Challengers are aftermarket conversions, not a catalog work tool.
Hydraulic remote/valve kit
Closed-center hydraulic system with a standard remote valve bank (reported at 4 valves) and roughly 27 gpm (102 l/min) pump flow; a higher-flow pump option near 35 gpm (132 l/min) is documented for implements needing more hydraulic capacity. Exact valve count and flow can vary by build/configuration.
All 75C assemblies by section
Every catalogued assembly group for the Caterpillar 75C. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
7e7921 Aftercooler Gp-Air
| 7E***21 | Aftercooler Group-Air | 1 |
6i3841 Air Cleaner Gp
| 6I***41 | Air Cleaner Group | 1 |
6i0154 Air Cleaner Gp
| 6I***54 | Air Cleaner Group | 1 |
4p2880 Cartridge Gp-Turbocharger*R
| 4P***80 | Cartridge Group-Turbocharger | 1 |
4p2881 Cartridge Gp-Turbocharger*R
| 4P***81 | Cartridge Group-Turbocharger | 1 |
6i0153 Dust Ejector Gp
| 6I***53 | Dust Ejector Group | 1 |
6i0151 Extension Gp-Air Cleaner
| 6I***51 | Extension Group-Air Cleaner | 1 |
6i0138 Exhaust Extension Gp
| 6I***38 | Extension Group-Exhaust | 1 |
9u1690 Indicator Gp-Filter Change
| 9U***90 | Indicator Group-Filter Change | 1 |
6i0140 Lines Gp-Air
| 6I***40 | Lines Group-Air | 1 |
7e8424 Lines Gp-Air
| 7E***24 | Lines Group-Air | 1 |
7c1757 Manifold Gp-Exhaust
| 7C***57 | Manifold Group-Exhaust | 1 |
4p9427 Manifold Gp-Inlet
| 4P***27 | Manifold Group-Inlet | 1 |
6i0136 Muffler Gp
| 6I***36 | Muffler Group | 1 |
4p2870 Turbocharger Gp*R
| 4P***70 | Turbocharger Group | 1 |
1073580 Turbocharger Gp*R
| 10***80 | Turbocharger Group | 1 |
1075775 Turbocharger Gp
| 10***75 | Turbocharger Group | 1 |
4p0624 Turbocharger Gp
| 4P***24 | Turbocharger Group | 1 |
Basic Engine
6i1533 Camshaft Gp-Single
| 6I***33 | Camshaft Group | 1 |
6i1601 Camshaft Gp-Single
| 6I***01 | Camshaft Group | 1 |
4p9916 Cover Gp-Air Compressor
| 4P***16 | Cover Group-Air Compressor | 1 |
7c1740 Cover Gp-Hydraulic Pump Drive
| 7C***40 | Cover Group-Hydraulic Pump Drive | 1 |
6i2756 Cover Gp-Valve Mechanism
| 6I***56 | Cover Group-Valve Mechanism | 1 |
9y4057 Cover Gp-Valve Mechanism
| 9Y***57 | Cover Group-Valve Mechanism | 1 |
9y4054 Crankshaft Gp
| 9Y***54 | Crankshaft Group | 1 |
6i1006 Cylinder Block As
| 6I***06 | Cylinder Block As | 1 |
4p9140 Cylinder Block Gp
| 4P***40 | Cylinder Block Group | 1 |
6i2753 Cylinder Block Gp
| 6I***53 | Cylinder Block Group | 1 |
1012066 Cylinder Head As
| 10***66 | Cylinder Head As | 1 |
1170196 Cylinder Head As
| 11***96 | Cylinder Head As | 1 |
1043880 Cylinder Head As*R
| 10***80 | Cylinder Head As | 1 |
1043847 Cylinder Head As
| 10***47 | Cylinder Head As | 1 |
1011537 Cylinder Head As*R
| 10***37 | Cylinder Head As | 1 |
1012067 Cylinder Head Gp*R
| 10***67 | Cylinder Head Group | 1 |
1014004 Cylinder Head Gp*R
| 10***04 | Cylinder Head Group | 1 |
7c8575 Cylinder Head Gp
| 7C***75 | Cylinder Head Group | 1 |
1014003 Cylinder Head Gp
| 10***03 | Cylinder Head Group | 1 |
7e7882 Damper & Pulley Gp
| 7E***82 | Damper & Pulley Group | 1 |
9y3661 Drive Gp-Accessory
| 9Y***61 | Drive Group-Accessory | 1 |
7e7679 Drive Gp-Fan (Belt)
| 7E***79 | Drive Group-Fan | 1 |
7e7784 Flywheel Gp
| 7E***84 | Flywheel Group | 1 |
1023596 Flywheel Gp
| 10***96 | Flywheel Group | 1 |
1025839 Gear Gp-Front
| 10***39 | Gear Group-Front | 1 |
7e8429 Gear Gp-Front
| 7E***29 | Gear Group-Front | 1 |
7c1749 Housing Gp-Flywheel
| 7C***49 | Housing Group-Flywheel | 1 |
1025838 Housing Gp-Front
| 10***38 | Housing Group-Front | 1 |
9y3594 Housing Gp-Front
| 9Y***94 | Housing Group-Front | 1 |
7c1795 Lifter Gp
| 7C***95 | Lifter Group-Valve | 1 |
6i1605 Lifter Gp
| 6I***05 | Lifter Group-Valve | 1 |
7c8271 Lifting Gp
| 7C***71 | Lifting Group-Engine | 1 |
7e7675 Mounting Gp-Engine
| 7E***75 | Mounting Group-Engine | 1 |
7e7678 Mounting Gp-Fan Drive
| 7E***78 | Mounting Group-Fan Drive | 1 |
6i1175 Pan Gp-Oil
| 6I***75 | Pan Group-Oil | 1 |
6i2717 Piston & Rod Gp
| 6I***17 | Piston & Rod Group | 1 |
9y0213 Piston & Rod Gp
| 9Y***13 | Piston & Rod Group | 1 |
7e4844 Plug Gp
| 7E***44 | Plug Group-Cylinder Block | 1 |
7e7914 Pulley Gp
| 7E***14 | Pulley Group | 1 |
1004384 Pulley Gp-Auxiliary Drive
| 10***84 | Pulley Group-Auxiliary Drive | 1 |
7e9583 Pulley Gp-Fan Drive
| 7E***83 | Pulley Group-Fan Drive | 1 |
6i1616 Rocker Arm Gp-Valve
| 6I***16 | Rocker Arm Group | 1 |
7w7818 Rocker Arm Gp-Valve
| 7W***18 | Rocker Arm Group | 1 |
7c8572 Seal Gp-Crankshaft
| 7C***72 | Seal Group-Crankshaft | 1 |
1138997 Spacer Gp-Block
| 11***97 | Spacer Group-Block | 1 |
7e7673 Support Gp-Engine
| 7E***73 | Support Group-Engine; -Front | 1 |
6i1604 Valve Mechanism Gp
| 6I***04 | Valve Mechanism Group | 1 |
7c1738 Valve Mechanism Gp
| 7C***38 | Valve Mechanism Group | 1 |
Braking System
3w5071 Brake Gp-Parking
| 3W***71 | Brake Group-Parking | 1 |
1061561 Cylinder Gp-Master
| 10***61 | Cylinder Group-Master | 1 |
9u1224 Lines Gp-Brake
| 9U***24 | Lines Group-Brake | 1 |
Cooling System
7w5058 Fan Gp-Suction
| 7W***58 | Fan Group-Suction | 1 |
7e4054 Coolant Conditioner Gp
| 7E***54 | Coolant Conditioner Group | 1 |
4p3755 Cooler Gp-Engine Oil
| 4P***55 | Cooler Group-Engine Oil | 1 |
6i0734 Cooler Gp-Oil
| 6I***34 | Cooler Group-Oil | 1 |
4p3757 Cooler Gp-Transmission Oil
| 4P***57 | Cooler Group-Transmission Oil | 1 |
4n3586 Heater Gp-Jacket Water
| 4N***86 | Heater Group-Jacket Water; (120v) | 1 |
4p9756 Housing & Regulator Gp
| 4P***56 | Housing & Regulator Group | 1 |
7e7883 Regulator Gp
| 7E***83 | Housing & Regulator Group | 1 |
1004503 Lines Gp-Power Train Cooler
| 10***03 | Lines Group-Power Train Cooler | 1 |
9y4162 Lines Gp-Water
| 9Y***62 | Lines Group-Water | 1 |
1047889 Lines Gp-Water
| 10***89 | Lines Group-Water | 1 |
4p9387 Lines Gp-Water
| 4P***87 | Lines Group-Water | 1 |
1030749 Lines Gp-Water
| 10***49 | Lines Group-Water | 1 |
4p3756 Lines Gp-Water
| 4P***56 | Lines Group-Water | 1 |
9y4161 Pump Gp-Water
| 9Y***61 | Pump Group-Water | 1 |
1047885 Pump Gp-Water
| 10***85 | Pump Group-Water | 1 |
7e8554 Pump Gp-Water*R
| 7E***54 | Pump Group-Water | 1 |
1025844 Pump Gp-Water*R
| 10***44 | Pump Group-Water | 1 |
7e7330 Radiator Gp
| 7E***30 | Radiator Group | 1 |
1003610 Radiator Gp
| 10***10 | Radiator Group | 1 |
7e7335 Radiator Gp
| 7E***35 | Radiator Group | 1 |
1119783 Tank Gp-Coolant
| 11***83 | Tank Group-Coolant | 1 |
Differential Steering System
9t5751 Rotating Gp-Motor
| 9T***51 | Rotating Group-Motor | 1 |
9t4908 Rotating Gp-Pump
| 9T***08 | Rotating Group-Pump | 1 |
9t1823 Valve & Mounting Gp
| 9T***23 | Valve & Mounting Group | 1 |
6e3064 Valve Gp-Pilot
| 6E***64 | Valve Group-Pilot | 1 |
9t8435 Valve Gp-Pilot
| 9T***35 | Valve Group-Pilot | 1 |
9t4880 Valve Gp-Pilot
| 9T***80 | Valve Group-Pilot | 1 |
9t4904 Valve Gp-Pressure Control
| 9T***04 | Valve Group-Pressure Control | 1 |
9u1710 Control Gp-Steering-Part 2 Of 3
| 9U***10 | Control Group-Steering | 1 |
9u1710 Control Gp-Steering-Part 3 Of 3
| 9U***10 | Control Group-Steering | 1 |
6e0181 Control Gp-Steering
| 6E***81 | Control Group-Steering | 1 |
9u1710 Control Gp-Steering-Part 1 Of 3
| 9U***10 | Control Group-Steering | 1 |
1056150 Head Gp-Motor
| 10***50 | Head Group-Motor | 1 |
1056151 Head Gp-Pump
| 10***51 | Head Group-Pump | 1 |
9u1225 Lines Gp-Pump
| 9U***25 | Lines Group-Pump | 1 |
9u1681 Lines Gp-Steering-Part 2 Of 2
| 9U***81 | Lines Group-Steering | 1 |
9u1681 Lines Gp-Steering-Part 1 Of 2
| 9U***81 | Lines Group-Steering | 1 |
1081619 Motor & Lines Ar
| 10***19 | Motor & Lines Ar | 1 |
9u1687 Motor & Mounting Gp
| 9U***87 | Motor & Mounting Group | 1 |
6e4947 Motor Gp-Piston-Link
| 6E***47 | Motor Group-Piston | 1 |
8e7805 Planetary Gp-Differential Steering-Part 3 Of 3
| 8E***05 | Planetary Group-Differential Ster | 1 |
8e7805 Planetary Gp-Differential Steering-Part 1 Of 3
| 8E***05 | Planetary Group-Differential Ster | 1 |
8e7805 Planetary Gp-Differential Steering-Part 2 Of 3
| 8E***05 | Planetary Group-Differential Ster | 1 |
9u1686 Pump & Mounting Gp
| 9U***86 | Pump & Mounting Group | 1 |
6e5329 Pump Gp-Gear
| 6E***29 | Pump Group-Gear | 1 |
6e4946 Pump Gp-Piston-Part 2 Of 2
| 6E***46 | Pump Group-Piston | 1 |
6e4946 Pump Gp-Piston-Part 1 Of 2
| 6E***46 | Pump Group-Piston | 1 |
Drawbar, Three Point Hitch And Pto
9t9517 Cylinder Gp-Hitch Lift (Chgs. 00-01)
| 9T***17 | Cylinder Group-Hitch Lift | 1 |
9t9517 Cylinder Gp-Hitch Lift (Chg 02)
| 9T***17 | Cylinder Group-Hitch Lift | 1 |
7t3000 Drive Gp-Power Takeoff
| 7T***00 | Drive Group-Power Take-Off | 1 |
3w5020 Power Takeoff Gp-Rear
| 3W***20 | Power Take-Off Group-Rear; Power Take-Off Gp-Rear | 1 |
3w5101 Shaft Gp-Power Takeoff
| 3W***01 | Shaft Group-Power Take-Off; Shaft Gp-Power Take-Off | 1 |
3w5023 Support Gp-Drawbar
| 3W***23 | Support Group-Drawbar | 1 |
6t4739 Valve Gp-Modulating
| 6T***39 | Valve Group-Modulating | 1 |
9w0664 Valve Gp-Modulating
| 9W***64 | Valve Group-Modulating; Valve Gp-Modulating | 1 |
9u1676 Control & Mounting Gp
| 9U***76 | Control & Mounting Group | 1 |
3e7706 Control Gp-Electronic
| 3E***06 | Control Group-Electronic | 1 |
4e2716 Control Gp-Power Takeoff
| 4E***16 | Control Group-Power Take-Off | 1 |
1043055 Quick Coupler Gp
| 10***55 | Coupler Group-Quick | 1 |
9u1695 Drawbar Gp-Swinging
| 9U***95 | Drawbar Group-Swinging | 1 |
9u3283 Hitch Ar-3 Point
| 10***82 | Hitch Group-3 Point | 1 |
| 10***41 | Lines Group-Hydraulic | 1 |
| 10***55 | Coupler Group-Quick | 1 |
7i3411 Hitch Ar-3 Point
| 10***82 | Hitch Group-3 Point | 1 |
| 10***70 | Valve Group-Bank | 1 |
| 10***41 | Lines Group-Hydraulic | 1 |
1092863 Hitch Ar-3 Point
| 10***82 | Hitch Group-3 Point | 1 |
| 10***41 | Lines Group-Hydraulic | 1 |
| 10***55 | Coupler Group-Quick | 1 |
1092864 Hitch Ar-3 Point
| 10***82 | Hitch Group-3 Point | 1 |
| 10***41 | Lines Group-Hydraulic | 1 |
| 10***55 | Coupler Group-Quick | 1 |
1137308 Hitch Gp-3 Point
| 11***08 | Hitch Group-3 Point | 1 |
1005582 Hitch Gp-3 Point
| 10***82 | Hitch Group-3 Point | 1 |
9u1675 Lines Gp-Power Takeoff
| 9U***75 | Lines Group-Power Take-Off | 1 |
4e7866 Link Gp
| 4E***66 | Link Group | 1 |
4e7872 Link Gp
| 4E***72 | Link Group | 1 |
9u1674 Mounting Gp-Power Takeoff
| 9U***74 | Mounting Group-Power Take-Off | 1 |
9u3370 Power Takeoff Ar
| 3W***20 | Power Take-Off Group-Rear; Power Take-Off Gp-Rear | 1 |
| 3W***01 | Shaft Group-Power Take-Off; Shaft Gp-Power Take-Off | 1 |
| 4E***16 | Control Group-Power Take-Off | 1 |
9u3364 Power Takeoff Ar
| 3W***20 | Power Take-Off Group-Rear; Power Take-Off Gp-Rear | 1 |
| 3W***01 | Shaft Group-Power Take-Off; Shaft Gp-Power Take-Off | 1 |
| 4E***16 | Control Group-Power Take-Off | 1 |
9u3371 Valve & Lines Gp
| 0S***08 | Bolt-Support To Starting Engine Timing Gear Housing | 3 |
| 10***97 | Cover | 1 |
| 10***89 | Manifold As | 1 |
7i3410 Wiring Gp-3 Point Hitch
| 7I***10 | Wiring Group-3 Point Hitch | 1 |
Electrical System
1171379 Alternator Gp-Charging*R
| 11***79 | Alternator Group-Charging | 1 |
9x9096 Alternator Gp-Charging*R
| 9X***96 | Alternator Group-Charging | 1 |
7e7913 Alternator Gp
| 7E***13 | Alternator Group-Charging | 1 |
9u3369 Battery Gp
| 9U***69 | Battery Group | 1 |
9x9009 Guard Gp-Alternator
| 9X***09 | Guard Group-Alternator | 1 |
7i4108 Starting Aid Gp-Ether
| 7I***08 | Starting Aid Group-Ether | 1 |
3e7863 Motor Gp-Electric
| 3E***63 | Starting Motor Group-Electric | 1 |
1018936 Starting Motor Gp-Electric
| 10***36 | Starting Motor Group-Electric | 1 |
Electronics
4p9434 Control & Mounting Gp
| 4P***34 | Control & Mounting Group | 1 |
4p0508 Control & Mounting Gp
| 4P***08 | Control & Mounting Group | 1 |
4p9538 Control & Mounting Gp
| 4P***38 | Control & Mtg Group-Engine Elek | 1 |
3e5472 Control Gp-Electric
| 3E***72 | Control Group-Electrical | 1 |
1126932 Control Gp-Electronic
| 11***32 | Control Group-Electronic | 1 |
1392255 Control Gp-Electronic
| 13***55 | Control Group-Electronic | 1 |
1041921 Control & Mounting Gp
| 10***21 | Control Group-Eng Ratings Elek | 1 |
1172763 Harness As
| 10***00 | Kit-Connecting Plug; (12-Pin)(Electronic Control) | 0 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 0 |
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 0 |
4p9429 Sensor Gp-Electronic
| 4P***29 | Sensor Group-Electronic | 1 |
4p9545 Sensor Gp-Electronic
| 4P***45 | Sensor Group-Engine | 1 |
3e6410 Control Gp-Electronic
| 3E***10 | Sensor Group-Speed; (Engine Speed\Timing) | 1 |
4p9534 Wiring Gp-Electronic Control
| 4P***34 | Wiring Group-Electronic Control | 1 |
4p9428 Wiring Gp-Electronic Control
| 4P***28 | Wiring Group-Electronic Control | 1 |
4p0502 Wiring Gp-Unit Injector
| 4P***02 | Wiring Group-Unit Injector | 1 |
4p9536 Wiring Gp-Unit Injector
| 4P***36 | Wiring Group-Unit Injector | 1 |
Engine Arrangement
1006125 Engine Ar-Part 1 Of 2
| 10***25 | Engine Ar | 1 |
| 10***03 | Cylinder Head Group | 1 |
| 10***96 | Flywheel Group | 1 |
7e3713 Engine Ar-Part 2 Of 2
| 10***81 | Single Cylinder Head | 0 |
| 3E***30 | Kit-Cylinder Block; (Rear Structure) | 0 |
| 3E***29 | Kit-Gasket; (Oil Cooler And Lines) | 0 |
7e3713 Engine Ar-Part 1 Of 2
| 10***38 | Housing Group-Front | 1 |
| 4P***08 | Control & Mounting Group | 1 |
| 4P***55 | Cooler Group-Engine Oil | 1 |
1006125 Engine Ar-Part 2 Of 2
| 10***25 | Engine Ar | 1 |
| 10***48 | Pump Group-Fuel Injection | 6 |
| 10***80 | Kit-Gasket; (Central And Lower Structure) | 0 |
Final Drive
7i4162 Final Drive Gp
| 7I***62 | Final Drive Group | 1 |
4e8506 Final Drive Gp
| 4E***06 | Final Drive Group | 1 |
Frame And Body
8r4978 Guard Gp-Track Roller
| 8R***78 | Guard Group-Track Roller | 1 |
3w5063 Support Gp-Suspension
| 3W***63 | Support Group-Suspension | 1 |
1058661 Support Gp-Suspension
| 10***61 | Support Group-Suspension | 1 |
3w5062 Suspension Gp
| 3W***62 | Suspension Group | 1 |
1004548 Axle Gp-Front
9u1845 Axle Gp-Front
| 9U***45 | Axle Group-Front | 1 |
1r1030 Belt & Drive Gp
| 1R***30 | Belt & Drive Group | 1 |
1r0977 Belt Ar
| 1R***00 | Belt 900 mm (35") Wide | 1 |
| 1R***01 | Belt 900 mm (35") Wide | 1 |
| 1R***77 | Belt Ar | 1 |
1r0950 Belt Ar
| 1R***50 | Belt Ar | 1 |
| 1R***97 | Track-Rubber | 2 |
1r0980 Belt Ar
| 1R***96 | Belt 524 mm (21") Wide | 2 |
| 1R***80 | Belt Ar | 1 |
1r1080 Belt Ar
| 1R***76 | Track-Rubber; (Belt) | 2 |
| 1R***80 | Belt Ar | 1 |
1r0975 Belt Ar
| 1R***93 | Belt 700 mm (28") Wide | 2 |
| 1R***75 | Belt Ar | 1 |
1r0976 Belt Ar
| 1R***98 | Belt 900 mm (35") Wide | 1 |
| 1R***99 | Belt 900 mm (35") Wide | 1 |
| 1R***76 | Belt Ar | 1 |
1r1137 Belt Ar
| 1R***34 | Track-Rubber | 2 |
| 1R***37 | Belt Ar | 1 |
1r0979 Belt Ar
| 1R***95 | Belt 524 mm (21") Wide | 2 |
| 1R***79 | Belt Ar | 1 |
1r0974 Belt Ar
| 1R***66 | Belt 626 mm (25") Wide | 2 |
| 1R***74 | Belt Ar | 1 |
1013873 Cap Gp-Hub
| 10***73 | . Sprocket, Cap Group-Hub | 1 |
| 9U***78 | Gasket | 1 |
| 9U***79 | Cap-Hub | 1 |
1081108 Counterweight Gp-Front
| 10***08 | Counterweight Group; -Front | 1 |
1228591 Counterweight Gp-Front
| 12***91 | Counterweight Group; -Front | 1 |
6e1428 Cylinder Gp (Chgs 02-14)
| 6E***28 | Cylinder Group | 1 |
1086296 Cylinder Gp-Belt Tensioner (Chg 03)
| 10***96 | Cylinder Group-Belt Tensioner | 1 |
1166977 Kit-Driver
| 11***77 | Driver Group-Wheel | 1 |
9u1688 Fender Gp
| 9U***88 | Fender Group | 1 |
1031005 Frame Gp
| 10***05 | Frame Group | 1 |
9u1679 Frame Gp
| 9U***79 | Frame Group | 1 |
9u3263 Hood & Guard Gp
| 9U***63 | Hood & Guard Group | 1 |
3e6114 Sensor As-Pressure
| 3E***14 | Sensor Group-Pressure; -Engine Oil, Fuel | 1 |
9u1689 Step Gp
| 9U***89 | Step Group | 1 |
1048030 Suspension Gp-Bogie
| 10***30 | Suspension Group-Bogie | 1 |
9u1844 Tensioner Gp-Belt
| 9U***44 | Tensioner Group-Belt | 1 |
4t4273 Valve Gp-Breaker Relief
| 4T***73 | Valve Group-Breaker Relief | 1 |
1035460 Valve Gp-Relief
| 10***60 | Valve Group-Relief | 1 |
Fuel System
1112702 Filter Gp-Fuel
| 11***02 | Filter Group-Fuel | 1 |
7c1760 Filter Gp-Fuel
| 7C***60 | Filter Group-Fuel | 1 |
6i0145 Filter Gp-Primary Fuel
| 6I***45 | Filter Group-Primary Fuel | 1 |
7c6399 Filter Gp-Primary Fuel
| 7C***99 | Filter Group-Primary Fuel | 1 |
9u1666 Lines Gp-Fuel-Part 1 Of 2
| 9U***66 | Lines Group-Fuel | 1 |
9u1666 Lines Gp-Fuel-Part 2 Of 2
| 9U***66 | Lines Group-Fuel | 1 |
4p9546 Lines Gp-Fuel Injection
| 4P***46 | Lines Group-Fuel Injection | 1 |
1112701 Lines Gp-Fuel Injection
| 11***01 | Lines Group-Fuel Injection | 1 |
9y8289 Lines Gp-Fuel Injection
| 9Y***89 | Lines Group-Fuel Injection | 1 |
4p0509 Pump Gp-Fuel Injection
| 4P***09 | Pump Group-Fuel Injection | 1 |
1006448 Pump Gp-Fuel Injection
| 10***48 | Pump Group-Fuel Injection | 1 |
7c2919 Pump Gp-Fuel Priming
| 7C***19 | Pump Group-Fuel Priming | 1 |
9y4183 Pump Gp-Fuel Transfer
| 9Y***83 | Pump Group-Fuel Transfer | 1 |
4p3777 Pump Gp-Fuel Transfer
| 4P***77 | Pump Group-Fuel Transfer | 1 |
4p9532 Pump Gp-Fuel Transfer
| 4P***32 | Pump Group-Fuel Transfer | 1 |
Hydraulic System
1051873 Valve Gp-Control
| 10***73 | Valve Group-Control | 1 |
9t1799 Valve Gp-Control
| 9T***99 | Valve Group-Control; Valve Gp-Control | 1 |
9t1819 Valve Gp-Relief
| 9T***19 | Valve Group-Relief | 1 |
1054200 Detent Gp-Control Valve
| 10***00 | Detent Group-Control Valve | 1 |
1034041 Lines Gp-Hydraulic
| 10***41 | Lines Group-Hydraulic | 1 |
9u1678 Lines Gp-Hydraulic
| 9U***78 | Lines Group-Hydraulic | 1 |
9u1680 Lines Gp-Hydraulic Oil-Part 1 Of 2
| 9U***80 | Lines Group-Hydraulic | 1 |
1137309 Lines Gp-Hydraulic
| 11***09 | Lines Group-Hydraulic | 1 |
9u1680 Lines Gp-Hydraulic Oil-Part 2 Of 2
| 9U***80 | Lines Group-Hydraulic | 1 |
9u3918 Mounting Gp-Hydraulic Tank
| 9U***18 | Mounting Group-Hydraulic Tank | 1 |
9u1685 Pump & Mounting Gp
| 9U***85 | Pump & Mounting Group | 1 |
1092854 Pump & Mounting Gp
| 10***46 | Pump Group-Piston | 1 |
| 10***54 | Pump & Mounting Group | 1 |
| 2H***34 | Seal Transfer Pump To Plate | 1 |
1095145 Pump Ar-Special-57cc-Part 2 Of 2
| 10***45 | Pump Ar | 1 |
1095145 Pump Ar-Special-57cc-Part 1 Of 2
| 10***45 | Pump Ar | 1 |
1092853 Pump Ar-Special-57cc-Part 2 Of 2
| 10***53 | Pump Ar | 1 |
1092853 Pump Ar-Special-57cc-Part 1 Of 2
| 10***53 | Pump Ar | 1 |
1071246 Pump Gp-Piston
| 10***46 | Pump Group-Piston | 1 |
6e5477 Pump Gp-Piston
| 6E***77 | Pump Group-Piston | 1 |
6e6569 Rotating Gp-Pump
| 6E***69 | Rotating Group-Pump; -Implement | 1 |
9t2031 Rotating Gp
| 9T***31 | Rotating Group-Pump; -Steering, Pilot | 1 |
1072376 Tank Gp-Hydraulic & Fuel
| 10***76 | Tank Group-Hydraulic & Fuel | 1 |
9u1664 Tank Gp-Hydraulic & Fuel
| 9U***64 | Tank Group-Hydraulic & Fuel | 1 |
1082369 Valve & Mounting Gp
| 10***69 | Valve & Mounting Group | 1 |
9u1677 Valve & Mounting Gp
| 9U***77 | Valve & Mounting Group | 1 |
6e5246 Valve Gp-Bank-4
| 6E***46 | Valve Group | 1 |
1082364 Valve Gp-Bank-4
| 10***64 | Valve Group-Bank | 1 |
6e5247 Valve Gp-Bank-4
| 6E***47 | Valve Group-Bank | 1 |
1082365 Valve Gp-Bank 5
| 10***65 | Valve Group-Bank | 1 |
1082363 Valve Gp-Bank-4
| 10***63 | Valve Group-Bank | 1 |
1023070 Valve Gp-Bank 5
| 0S***08 | Bolt-Support To Starting Engine Timing Gear Housing | 3 |
| 10***70 | Valve Group-Bank | 1 |
| 10***97 | Cover | 1 |
1080391 Valve Gp-Pressure & Flow Compensator
| 10***91 | Valve Group-Press & Flow Cmpnstr; (Pressure, Flow Compensator) | 1 |
1010971 Valve Gp-Pressure & Flow Compensator
| 10***71 | Valve Group-Press & Flow Cmpnstr; (Pressure, Flow Compensator) | 1 |
1003915 Valve Gp-Solenoid
| 10***15 | Valve Group-Solenoid | 1 |
Lubrication System
6e5215 Filter Gp-Hydraulic Oil
| 6E***15 | Filter Group-Hydraulic; -Steering Oil Cooler | 1 |
| 9T***73 | Filter-Oil; (Advanced Efficiency)(Hydraulic) | 1 |
1112720 Base Gp-Oil Filter
| 11***20 | Base Group-Oil Filter | 1 |
7c1741 Cover Gp-Air Compressor
| 7C***41 | Cover Group-Air Compressor | 1 |
9y8257 Filler Gp-Oil
| 9Y***57 | Filler Group-Engine Oil; -Left Front | 1 |
4p8509 Filler Gp-Oil
| 4P***09 | Filler Group-Oil | 1 |
9u1682 Filter & Mounting Gp
| 9U***82 | Filter & Mtg Group | 1 |
9y3899 Filter Gp-Oil
| 9Y***99 | Filter Group-Engine Oil | 1 |
9y4839 Fumes Disposal Gp
| 9Y***39 | Fumes Disposal Group | 1 |
4p8507 Gauge Gp-Oil Level (Dipstick)
| 4P***07 | Gauge Group-Oil Level (Dipstick) | 1 |
4p8298 Lines Gp-Engine Oil
| 4P***98 | Lines Group-Engine Oil | 1 |
6i2541 Lines Gp-Turbocharger Oil
| 6I***41 | Lines Group-Turbocharger Oil | 1 |
6i2515 Lines Gp-Turbocharger Oil
| 6I***15 | Lines Group-Turbocharger Oil | 1 |
9y8073 Pump Gp-Engine Oil*R
| 9Y***73 | Pump Group-Engine Oil | 1 |
9y3791 Pump Gp-Engine Oil
| 9Y***91 | Pump Group-Engine Oil | 1 |
Operator Station
8r1626 Arm Gp-Swing
| 8R***26 | Arm Group-Swing | 1 |
7x1940 Control Gp-Electronic
| 7X***40 | Control Group-Electronic | 1 |
1073578 Control Gp-Electronic
| 10***78 | Control Group-Electronic | 1 |
3e7763 Control Gp-Electronic
| 3E***63 | Control Group-Electronic; (Ground Speed Sensor) | 1 |
3e6107 Radio Gp-Am/Fm-Cassette
| 3E***07 | Radio Group-Am/Fm | 1 |
9u4857 Seat Gp
| 9U***57 | Seat Group | 1 |
1173027 Seat Gp-Part 1 Of 3
| 11***27 | Seat Group | 1 |
1173027 Seat Gp-Part 2 Of 3
| 11***27 | Seat Group | 1 |
3w6744 Seat Gp-Part 2 Of 3
| 3W***44 | Seat Group; Seat Gp-Adjustable | 1 |
3w6744 Seat Gp-Part 3 Of 3
| 3W***44 | Seat Group; Seat Gp-Adjustable | 1 |
1173027 Seat Gp-Part 3 Of 3
| 11***27 | Seat Group | 1 |
1124037 Seat Gp
| 11***37 | Seat Group | 1 |
9u4541 Seat Gp
| 9U***41 | Seat Group | 1 |
3w6744 Seat Gp-Part 1 Of 3
| 3W***44 | Seat Group; Seat Gp-Adjustable | 1 |
3w5053 Seat Gp-Adjustable
| 10***97 | Bracket | 1 |
| 3W***53 | Seat Group-Adjustable | 1 |
| 3W***44 | Seat Group; Seat Gp-Adjustable | 1 |
4e3342 Suspension Gp
| 4E***42 | Suspension Group | 1 |
3w5042 Wiper Gp
| 3W***42 | Wiper Group; -Front | 1 |
3e7394 Wiper Gp
| 3E***94 | Wiper Group; -Front | 1 |
9u1178 Wiper Gp
| 9U***78 | Wiper Group | 1 |
1043281 Absorber Gp-Shock
| 10***81 | Absorber Group-Shock | 1 |
1043269 Air Compressor Gp
| 10***69 | Air Compressor Group | 1 |
3e6482 Air Conditioner Gp-Part 2 Of 2
| 3E***82 | Air Conditioner Group | 1 |
1079169 Air Conditioner Gp-Part 1 Of 2
| 10***69 | Air Conditioner Group | 1 |
1079169 Air Conditioner Gp-Part 2 Of 2
| 10***69 | Air Conditioner Group | 1 |
3e6482 Air Conditioner Gp-Part 1 Of 2
| 3E***82 | Air Conditioner Group | 1 |
1043267 Bar Gp
| 10***67 | Bar Group | 1 |
1043279 Bearing Gp-Lower
| 10***79 | Bearing Group-Lower | 1 |
1043280 Bellows Gp
| 10***80 | Bellows Group | 1 |
9u1320 Cab Gp-Part 1 Of 5
| 9U***20 | Cab Group | 1 |
7i3412 Cab Gp
| 3W***42 | Wiper Group; -Front | 1 |
| 4E***87 | Control Group-Governor | 1 |
| 4E***35 | Control Group-Transmission | 1 |
9u1320 Cab Gp-Part 3 Of 5
| 9U***20 | Cab Group | 1 |
9u1704 Cab Gp
| 3W***42 | Wiper Group; -Front | 1 |
| 4E***87 | Control Group-Governor | 1 |
| 4E***35 | Control Group-Transmission | 1 |
9u1320 Cab Gp-Part 5 Of 5
| 9U***20 | Cab Group | 1 |
9u1320 Cab Gp-Part 2 Of 5
| 9U***20 | Cab Group | 1 |
9u1320 Cab Gp-Part 4 Of 5
| 9U***20 | Cab Group | 1 |
1043274 Cam As-Sliding
| 10***74 | Cam As-Sliding | 1 |
1012966 Compressor Gp
| 10***66 | Compressor Group | 1 |
3e1907 Compressor Gp-Clutch Refrigerant
| 3E***07 | Compressor Group-Clutch & Refrig | 1 |
3e7704 Compressor Gp-Clutch & Refrigerant
| 3E***04 | Compressor Group-Clutch & Refrig | 1 |
1122610 Compressor Gp-Refrigerant
| 11***10 | Compressor Group-Refrigerant | 1 |
1064547 Condenser & Mounting Gp
| 10***47 | Condenser & Mounting Group | 1 |
7e7672 Condenser Gp
| 7E***72 | Condenser Group | 1 |
9u1698 Control Gp-Brake & Clutch
| 9U***98 | Control Group-Clutch & Brake | 1 |
4e1187 Control Gp-Governor
| 4E***87 | Control Group-Governor | 1 |
4e1246 Control Gp-Hydraulic Hand
| 4E***46 | Control Group-Hydraulic Hand | 1 |
9u1705 Control Gp-Steering
| 9U***05 | Control Group-Steering | 1 |
4e1235 Control Gp-Transmission
| 4E***35 | Control Group-Transmission | 1 |
9u1701 Cover Gp-Dash
| 9U***01 | Cover Group-Dash | 1 |
9u1703 Duct & Control Gp
| 9U***03 | Duct & Control Group | 1 |
9u1672 Installation Gp-Cab-Part 1 Of 2
| 9U***72 | Installation Group-Cab | 1 |
9u1672 Installation Gp-Cab-Part 2 Of 2
| 9U***72 | Installation Group-Cab | 1 |
9u1177 Installation Gp-Radio
| 9U***77 | Installation Group-Radio | 1 |
1364506 Kit-Panel
| 13***06 | Kit-Panel | 1 |
| 2N***62 | Screw-Machine; (10-24x1.25-In) | 6 |
| 6V***45 | Screw; (Machine) (10-32x0.87 In) | 6 |
3e7303 Lamp Gp
| 3E***03 | Lamp Group | 1 |
3e6344 Lamp Gp
| 3E***44 | Lamp Group | 1 |
3e7301 Lamp Gp-Dome
| 3E***01 | Lamp Group-Dome; -With Switch | 1 |
9x7779 Lamp Gp-Flood
| 9X***79 | Lamp Group-Flood; -Roading Lights | 1 |
3e9346 Lamp Gp-Signal
| 3E***46 | Lamp Group-Signal | 1 |
3e7302 Lamp Gp-Signal
| 3E***02 | Lamp Group-Signal | 1 |
1043266 Lever Gp-Control
| 10***66 | Lever Group-Control | 1 |
9u1692 Lighting Gp
| 9U***92 | Lighting Group | 1 |
1043271 Lines Gp-Air Compressor
| 10***71 | Lines Group-Air Compressor | 1 |
1035553 Lines Gp-Air Conditioner
| 10***53 | Lines Group-Air Conditioner | 1 |
9u1709 Lines Gp-Air Conditioner
| 9U***09 | Lines Group-Air Conditioner | 1 |
1043277 Linkage Gp-Suspension
| 10***77 | Linkage Group-Suspension | 1 |
9u3824 Monitor Ar-Ground Speed
| 9U***24 | Monitor Ar-Ground Speed | 1 |
9u1706 Monitor Ar-Ground Speed
| 9U***06 | Monitor Ar-Ground Speed | 1 |
9u1700 Panel Gp-Instrument
| 9U***00 | Panel Group-Instrument | 1 |
1043276 Plate Gp-Lower
| 10***76 | Plate Group-Lower | 1 |
1043263 Plate Gp-Upper
| 10***63 | Plate Group-Upper | 1 |
3e7140 Radio Gp-Am/Fm-Cassette
| 3E***40 | Radio Group | 1 |
4e9422 Seat Belt As
| 4E***22 | Seat Belt As | 1 |
1043262 Seat Gp-Suspension-Part 1 Of 3
| 10***62 | Seat Group-Suspension | 1 |
1173026 Seat Gp-Suspension
| 11***26 | Seat Group-Suspension | 1 |
1043262 Seat Gp-Suspension-Part 2 Of 3
| 10***62 | Seat Group-Suspension | 1 |
1043262 Seat Gp-Suspension-Part 3 Of 3
| 10***62 | Seat Group-Suspension | 1 |
9u1707 Sensor & Mounting Gp
| 9U***07 | Sensor & Mounting Group | 1 |
1012787 Sensor & Mounting Gp
| 10***87 | Sensor & Mounting Group | 1 |
1108190 Control Gp-Electronic
| 11***90 | Sensor Group-Position; (Rotary Position Sensor) | 1 |
3e5400 Control Gp-Electronic
| 3E***00 | Sensor Group-Position; -Accelerator Control | 1 |
3e7762 Control Gp-Electronic*R
| 3E***62 | Sensor Group-Speed; (Ground Speed Sensor) | 1 |
1043273 Spring Gp-Air
| 10***73 | Spring Group-Air | 1 |
1043264 Stop Gp
| 10***64 | Stop Group | 1 |
1124039 Suspension Gp-Seat-Air
| 11***39 | Suspension Group-Seat | 1 |
1043261 Suspension Gp-Seat-Air. S/N 4kk1-196,198-223
| 10***61 | Suspension Group-Seat | 1 |
9u1839 Tachometer Gp-Electric
| 9U***39 | Tachometer Group-Electric | 1 |
3e7502 Wiper Gp-Windshield
| 3E***02 | Wiper Group-Windshield | 1 |
9u1697 Wiring Gp-Vehicle-Part 1 Of 3
| 9U***97 | Wiring Group | 1 |
9u1697 Wiring Gp-Vehicle-Part 3 Of 3
| 9U***97 | Wiring Group | 1 |
1035566 Wiring Gp-Vehicle-Part 3 Of 3
| 10***66 | Wiring Group | 1 |
1035566 Wiring Gp-Vehicle-Part 1 Of 3
| 10***66 | Wiring Group | 1 |
9u1697 Wiring Gp-Vehicle-Part 2 Of 3
| 9U***97 | Wiring Group | 1 |
1035566 Wiring Gp-Vehicle-Part 2 Of 3
| 10***66 | Wiring Group | 1 |
1043278 Wiring Gp
| 10***78 | Wiring Group | 1 |
9u1693 Wiring Gp-Cab-Part 1 Of 2
| 9U***93 | Wiring Group-Cab | 1 |
9u1693 Wiring Gp-Cab-Part 2 Of 2
| 9U***93 | Wiring Group-Cab | 1 |
Service Equipment And Supplies
1082684 Film Gp
| 10***84 | Film Group | 1 |
Name Plates & Films-Part 1 Of 2
| 10***12 | Film-Instruction; (Alternate Exit, Remove Window) | 1 |
| 10***68 | . Roller (With Bushing), Plate-Rops/Fops | 1 |
| 3E***14 | Film-Identification On Inside Vertical | 1 |
Name Plates & Films-Part 2 Of 2
| 1P***07 | Film-Symbol; 2 On Bottom Of Upper Frame Below Engine. 2 On Front Of Upper Frame Above Boom Articulation | 4 |
| 3E***16 | Film-Warning-On Top Master Shield | 1 |
| 7X***44 | Film; (Instruction) (Tie Down) (To Front Tie Down Eyes) | 4 |
Transmission
9w0342 Actuator Gp-Rotary
| 9W***42 | Actuator Group-Rotary | 1 |
9w5623 Cover Gp-Shipping
| 9W***23 | Cover Group-Shipping; Cover Gp-Shipping | 1 |
6t4740 Covers Gp-Shipping
| 6T***40 | Cover Group-Shipping; Covers Gp-Shipping | 1 |
9u8841 Drive Gp-Pump
| 9U***41 | Drive Group-Pump | 1 |
7t3443 Drive Gp-Pump
| 7T***43 | Drive Group-Pump; Drive Gp-Transmission Pump | 1 |
3w5074 Lines Gp-Filter
| 3W***74 | Lines Group-Transmission Filter | 1 |
7t7990 Pump Gp-Gear
| 7T***90 | Pump Group-Gear; Pump Gp-Gear | 1 |
7t7953 Pump Gp-Gear
| 7T***53 | Pump Group-Gear | 1 |
1038861 Drive Shaft Gp
| 10***61 | Shaft Group-Drive | 1 |
3w5066 Drive Shaft Gp
| 3W***66 | Shaft Group-Drive | 1 |
3w5032 Support Gp-Transmission
| 3W***32 | Support Group-Transmission | 1 |
8y1293 Universal Joint Gp
| 8Y***93 | Universal Joint Group | 1 |
6t4733 Valve Gp
| 6T***33 | Valve Group | 1 |
6y0185 Valve Gp-Modulating
| 6Y***85 | Valve Group-Modulating | 1 |
9w1580 Valve Gp-Pressure Control-Part 2 Of 2
| 9W***80 | Valve Group-Pressure Control | 1 |
9w1580 Valve Gp-Pressure Control-Part 1 Of 2
| 9W***80 | Valve Group-Pressure Control | 1 |
6t4735 Valve & Selector Gp
| 6T***35 | Valve Group-Selector & Press Cont | 1 |
9u9778 Case & Parts Gp-Planetary-Part 2 Of 3
| 9U***78 | Case & Parts Group-Planetary | 1 |
9u9779 Case & Parts Gp-Planetary-Part 2 Of 3
| 9U***79 | Case & Parts Group-Planetary | 1 |
9u9778 Case & Parts Gp-Planetary-Part 1 Of 3
| 9U***78 | Case & Parts Group-Planetary | 1 |
9u9779 Case & Parts Gp-Planetary-Part 3 Of 3
| 9U***79 | Case & Parts Group-Planetary | 1 |
9u9778 Case & Parts Gp-Planetary-Part 3 Of 3
| 9U***78 | Case & Parts Group-Planetary | 1 |
9u9779 Case & Parts Gp-Planetary-Part 1 Of 3
| 9U***79 | Case & Parts Group-Planetary | 1 |
9n4504 Clutch Gp-Part 1 Of 2
| 9N***04 | Clutch Group | 1 |
7t6126 Clutch Gp-Part 1 Of 2
| 7T***26 | Clutch Group | 1 |
9n4504 Clutch Gp-Part 2 Of 2
| 9N***04 | Clutch Group | 1 |
7t6126 Clutch Gp-Part 2 Of 2
| 7T***26 | Clutch Group | 1 |
8e7038 Control Gp-Transmission Hydraulic
| 8E***38 | Control Group-Transmission Hydraulic | 1 |
9u1673 Filler Gp-Powertrain Oil
| 9U***73 | Filler Group-Power Train Oil | 1 |
6y1242 Planetary Gp-Part 1 Of 3
| 6Y***42 | Planetary Group | 1 |
6y1242 Planetary Gp-Part 2 Of 3
| 6Y***42 | Planetary Group | 1 |
6y1242 Planetary Gp-Part 3 Of 3
| 6Y***42 | Planetary Group | 1 |
8r4592 Shaft Gp-Input
| 8R***92 | Shaft Group-Input | 1 |
8e5141 Shaft Gp-Input
| 8E***41 | Shaft Group-Input | 1 |
1020406 Shaft Gp-Input
| 10***06 | Shaft Group-Input | 1 |
9u8839 Transmission Ar
| 11***45 | Kit-Gasket; (Parts And Case) | 0 |
| 11***46 | Kit-Gasket; (Hydraulic Control) | 0 |
| 11***47 | Kit-Gasket; (Planetary) | 0 |
9u8840 Transmission Ar
| 6Y***42 | Planetary Group | 1 |
| 7T***00 | Drive Group-Power Take-Off | 1 |
| 7T***43 | Drive Group-Pump; Drive Gp-Transmission Pump | 1 |
8e7037 Valve Gp-Relief
| 8E***37 | Valve Group-Relief | 1 |
75C serial number reference
The PIN plate on a 75C sits on the tractor frame, commonly near the cab entry or engine bay - check the operator's manual diagram if grease or paint has obscured it. The PIN prefix is the first three characters of the stamped serial (letter-number-letter pattern like 4KK), followed by a 5-digit sequence number; the prefix ties the unit to its model and production run, the digits after it are the individual machine's build sequence.
| Prefix | Identifies | Notes |
|---|---|---|
| 4KK | 75C Challenger, all configurations | Sole PIN prefix used for the 75C Challenger track tractor. Covers the full 75C production run, roughly 1993-1996, ahead of the 75D that followed. Built at the Peoria, Illinois plant. Machine is powered by the Cat 3176 turbo-diesel (10.3L, 6-cyl), rated near 325 gross hp (242 kW). Crawler (rubber-belted) undercarriage with a 10-speed power-shift transmission across the range; no distinct sub-prefix split found for engine or drivetrain variants within 4KK. Two build blocks recorded within the prefix (00001-00999 and 01000-up), same engine and configuration throughout. |
Frequently asked questions
What engine does the Caterpillar 75C Challenger use?
The 75C runs the Cat 3176 ATAAC, a turbocharged and air-to-air aftercooled 10.3 L inline-six diesel rated 242.4 kW (325 hp) gross at 2100 rpm.
What is the operating weight of the Caterpillar 75C Challenger?
Operating weight is approximately 15,107 kg (33,305 lb), varying with ballast and drawbar or three-point configuration.
What replaced the Caterpillar 75C Challenger?
The 75D (5AR serial prefix, 3176C ATAAC engine) replaced the 75C, followed by the 75E (1HM prefix), before Caterpillar sold its agricultural line to AGCO.
What 75C owners discuss
What engine quirk shows up in the 3176 as hours climb on a 75C?
Past roughly 7,000 hours, watch for a coolant weep at the aluminum spacer plate sandwiched between the crankcase and cylinder head. That plate carries the cylinder liners and the head bolts down through it, so any inframe job or overhaul means pulling the camshaft and radiator to get it off and reseal it. Outside of that, the 3176 in this chassis has a reputation for running 15,000 to 20,000 hours before major work, with fuel injectors the most common wear item along the way.
Is the powershift transmission trouble prone on the 75C?
Not really. Shift quality stays smooth apart from the expected bump when a clutch pack changes gears, and outright transmission failures are rare on this platform. The transmission runs its own oil, separate from the final drive and hydraulic reservoirs, so a leak or failure in one system will not contaminate the others. Delayed or hunting shifts are usually the first sign of clutch pack wear worth having checked with the transmission diagnostic tool.
What hydraulic complaints come up most with this machine, and is any of it safety related?
The 75C runs closed-center, pressure-compensated hydraulics. Owners describe occasional total loss of hydraulic function even with the tank full, traced to worn resolver seals inside the main control valve. A leaking flip-flop valve is another repeat offender: it slowly overfills the transmission case while draining the hydraulic tank, and some owners plug and jumper the hoses around it as a lasting fix. Separately, a smaller number of operators report the machine hesitating on steering response or running straight instead of turning during a hard turn under load, pointing to a worn steering control valve, contaminated fluid, or air in the steering circuit. Because this affects directional control, have your dealer verify the steering circuit before returning the machine to work.
What wear pattern shows up in the rubber-track undercarriage?
Wear concentrates in the same spots across the rubber-track lineup this machine belongs to: idler wheel rubber pits and cracks, the rear drive wheel rim rubber wears thin, and guide blocks work loose or go missing if they are not checked on a routine basis. Misalignment or incorrect track tension accelerates all of it and shows up as uneven tread wear or exposed steel banding on the inside of the belt. Keeping the undercarriage clean and walking the guide block hardware regularly heads off most of it.
How does track tension work, and what typically fails?
A spring supplies most of the tensioning force, with a nitrogen-charged cylinder fine-tuning the final setting. A dash warning light and alarm fire once charge pressure drops enough that the drive wheel can start slipping inside the belt. The tensioner's front seal is a known slow-leak point; soapy water sprayed on the cylinder finds it quickly. Some owners keep their own nitrogen bottle, regulator, and charging hose on hand rather than scheduling a dealer visit every time it needs a top-off. The tension sensor wiring also runs where rodents can reach it during storage, and a chewed wire will trigger false low-tension warnings.
What electrical or sensor issues come up most often?
Most electrical complaints trace back to the ECM or its sensors rather than wiring elsewhere on the tractor. A no-start that only fires on starting fluid points first at the crank or cam speed-timing sensor and its harness. Corroded ECM connector pins and a worn diagnostic data port are also common causes of intermittent power loss or fault codes that clear themselves before anyone can chase them down. Because a failing ECM or timing sensor can mimic several unrelated symptoms, pulling stored codes with the engine diagnostic tool before swapping parts saves time and money.
What should a buyer check on a used 75C?
Start with hour totals and service history. These machines hold up well into the tens of thousands of hours when properly maintained, and individual examples have run well past 14,000 hours on the original engine with nothing more than an injector or injector tube swap. On the engine, look for coolant weeping around the spacer plate and head joint, more likely the higher the hours climb. Confirm the track tensioner cylinders hold nitrogen pressure evenly side to side, and check idler and drive wheel rubber for cracking or pitting. Check the separate sight glasses for transmission, final drive, and hydraulic oil condition; cloudy or metallic oil in any one flags a problem isolated to that system since they do not share fluid. Cycle the hydraulics and every remote, and run the machine through a hard turn under load, watching for hesitation or loss of steering response. Pull stored fault codes with a diagnostic reader if the seller allows it.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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