Caterpillarchallenger
Caterpillar 85C
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 85C Challenger is a rubber-belted (Mobil-trac) agricultural tractor built for heavy tillage and high-drawbar-pull row-crop work, sitting at the top of Caterpillar's C-series Challenger lineup alongside the 65C and 75C. It runs the Caterpillar 3176 ATAAC, a 10.3L (629 cu in) turbocharged, air-to-air aftercooled inline-six diesel rated at 355 hp (265 kW) gross at 2100 rpm, paired with a 10-speed forward/2-speed reverse full powershift transmission. Operating weight runs around 15,261 kg (33,645 lb) in standard trim, with final weight shifting depending on track width, ballast, and attached implements. Caterpillar built the 85C from 1994 to 1996; it was the first machine to carry the '85' designation, introduced as the C-series pushed the Challenger range past 350 hp, and it was directly succeeded by the 85D (1996-1997, a bump to roughly 370 hp) and later the 85E. Buyers could spec 25 in or 30 in rubber belt widths and choose between standard and higher-flow hydraulic pump options to suit the attached tillage or planting equipment.
The C-series brought a mechanical-spring-plus-nitrogen-charge track tensioner and split alignment shims to the 85C, replacing the spring-only tensioning and one-piece shims used on the earliest Challenger 65 and 75 models; that change made routine track service and alignment noticeably faster than on the pre-1993 machines, and it carried forward largely unchanged into the D- and E-series. Power and weight crept up generation to generation while the belt, midroller, idler, and drivewheel architecture stayed common across the 65-95 family, which is why used parts and undercarriage components interchange so freely across those model numbers today. In the used and parts market, the 85C matters because it represents a large, well-understood population of high-hour rubber-track tractors still working tillage ground; values and parts demand track closely with undercarriage condition (belts, idlers, midrollers, tensioners) and with whether the engine has developed the block-to-head coolant seepage common on higher-hour 3176 units, rather than with cosmetic condition alone.
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 85C specifications
Engine
| Engine model | Cat 3176 ATAAC inline-6 diesel (C-series Challenger build, 1994-1996) |
| Displacement / cylinders | 10.3 L (629 ci), 6 cylinders inline |
| Bore x stroke | 125 x 140 mm (4.92 x 5.51 in) |
| Compression ratio | 16:1 |
| Aspiration | Turbocharged, air-to-air aftercooled (ATAAC) |
| Gross power | 265 kW (355 hp) at 2100 rpm |
| Emissions tier | Not published — predates EPA Tier / Cat ACERT certification, 1994-1996 build |
Weights
| Operating weight | 15,261 kg (33,645 lb) |
| Ground pressure | 0.4 bar (5.2 psi), on 76 cm (30 in) tracks |
| Shipping weight | Not published separately from operating weight — verify with dealer |
Dimensions
| Overall length | 589 cm (232 in) |
| Overall width | 304 cm (120 in) |
| Height to cab | 325 cm (128 in) |
| Height to exhaust stack | 366 cm (144 in) |
| Wheelbase / track length on ground | 272 cm (107.1 in) |
| Track gauge | 228 cm (90 in) |
| Track width | 76 cm (30 in); narrower 64 cm (25 in) track also offered — varies by configuration |
| Ground clearance at drawbar | 38 cm (15 in) |
| Track ground contact area | 4.1 m² (6,428 in²) |
Performance
| Transmission | Full powershift, electro-hydraulic clutch control, 10 forward / 2 reverse |
| PTO speed | 1000 rpm |
| PTO power, rated | 227 kW (305 hp) claimed; 227.1 kW (304.57 hp) on Nebraska OECD test |
| Drawbar power | 209 kW (280 hp) claimed; 203.1 kW (272.42 hp) on Nebraska OECD test |
| Travel speed | Not consistently published across sources for this exact model/track configuration — verify with your dealer |
| Hydraulic system pressure/flow | Closed-center system, 175.8 bar (2,550 psi); pump flow 102.2 L/min (27 gpm) standard, 132.5 L/min (35 gpm) optional; steering flow 232.4 L/min (61.4 gpm) |
| Brakes | Hydraulic wet disc brakes |
Service capacities (summary)
| Fuel tank | 791 L (209 US gal) |
| Hydraulic system | 110 L (29 US gal) |
| Engine oil | 30.0 L (31.7 qt) |
| Cooling system | 75.7 L (80 qt / 20 US gal) |
| Transmission (reference) | 56.8 L (60 qt) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
85C fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 30.0 L (31.7 US qt / 7.9 US gal) | Cat DEO Diesel Engine Oil for the 3176 ATAAC diesel. SAE 15W-40 for normal ambient operation; step down to SAE 10W-30 in cold climates for easier starting and oil flow. |
| Cooling system | 75.7 L (80 US qt / 20.0 US gal) | Ethylene-glycol base Cat antifreeze/coolant, minimum 30% concentrate to 70% water. Maintain a liquid supplemental coolant additive (SCA) at 3-6% concentration and check SCA level at every coolant service. |
| Fuel tank | 791.1 L (209 US gal) | No. 2-D diesel fuel meeting Cat's diesel fuel specification for the 3176 engine; use clean, low-sulfur diesel and keep the tank filled at the end of each shift to limit condensation. |
| Power train / transmission case (powershift transmission and steering differential, shared reservoir) | 56.8 L (60 US qt / 15.0 US gal) | Cat TDTO (Transmission/Drive Train Oil). Shipped from the factory as straight SAE 10W; dealer may select a different TDTO viscosity to match ambient operating temperature and duty cycle. |
| Final drives (each side, track sprocket housings) | Not separately published in the sources reviewed for this model - each final drive has its own check/fill plug serviced on the maintenance chart interval; confirm the exact fill volume against the OMM or with a dealer | Cat TDTO, same family used in the power train case. |
| Hydraulic system (implement and steering hydraulics, including tank) | 109.8 L (29 US gal) | Cat TDTO, straight SAE 10W as shipped from the factory. Challengers of this era run drive-train oil through the hydraulic circuit rather than a dedicated hydraulic fluid; confirm reservoir-only refill volume separately from total system capacity in the OMM. |
| Grease (chassis, pins, bushings, undercarriage rollers/idlers) | Per lubrication interval - not a fill capacity | Cat Multipurpose Grease (MPGM), NLGI 2 lithium-complex EP grease; use a moly-fortified grease at undercarriage pivot points where specified. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 85C maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the 85C beyond the schedule
Predictive Maintenance & Fluid Analysis
Run oil sampling on the 3176 ATAAC's engine, transmission, hydraulic, and final-drive/back-end sumps at every scheduled change to catch bearing and injector wear before it becomes a failure. Track coolant condition closely; the block-to-head aluminum spacer is a known weep point on high-hour 85C engines, so watch for falling coolant level or rising sodium/silicon trends. Log infrared guide-lug temperature checks after each track service - a spread beyond roughly 15-20F flags misalignment that eats midrollers and drivewheels well before it shows up as a repair bill.
Corrective & Common Repairs
Nitrogen-charged track tensioners lose charge over time, showing up as an uneven-pull warning light or a tractor that steers to one side; recharge first and rebuild only if the unit won't hold gas. Air suspension bags run 65-90 psi (75 psi target) and must match side to side - mismatched pressure is a common, inexpensive fix that gets mistaken for a driveline problem. Front tensioner bushings wear quickly if greasing is skipped; if the pin sits off-center in the bushing, replace it before it damages the tension cylinder rod.
Overhaul & Rebuild Points
Rubber belts, drivewheels, and front idlers wear as a set - plan on belt replacement in the 4000-6000 hour range and idler service around 3000-5000 hours, sooner in abrasive soil. The powershift transmission, final drive, and hydraulic system run in separate sumps by design, so contamination in one won't spread to the others - change all three at 1000-hour intervals rather than assuming a shared fluid. On engines past roughly 7000 hours, inspect the block/head aluminum spacer seal for coolant seepage; repairing it is shop-level work, not a field fix.
Seasonal & Environment Servicing
Before cold starts, confirm the ether starting aid and block heater are functional - the 3176 ATAAC relies on both in low temperatures. Drain fuel-water separators more often during humid or wet-season storage to protect the injection pump from moisture. Between tillage seasons, ease track tension slightly if the tractor will sit idle for weeks to reduce load on the tensioner bushings and midrollers, and clear chaff and mud from the radiator and oil cooler fins before it bakes on and restricts airflow.
85C common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 6I-2505 | Filter Element As-Air | Air intake service | Check fitment → |
| 6I-2506 | Filter Element As-Air | Air intake service | Check fitment → |
| 9T-0973 | Filter-Oil | Hydraulic service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
85C fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CID 001-006 FMI 05/06 | Cylinder injector solenoid circuit current below normal (05) or above normal (06), one entry per cylinder 1 through 6 | Open or shorted injector solenoid wiring, corroded harness connector at the valve cover, or a failed injector solenoid | Check injector wiring and connectors for damage or corrosion, verify harness continuity to the ECM, then test the injector solenoid resistance against spec |
| CID 022 FMI 13 | Engine timing sensor calibration not performed or out of calibration | ECM replaced, timing sensor replaced, or calibration lost after a battery disconnect | Run the engine speed/timing sensor calibration procedure with Cat Electronic Technician before further diagnosis |
| CID 041 FMI 03/04 | 8 volt DC sensor supply voltage above normal (03) or below normal (04) | Short to battery or ground on the 8V supply circuit, or a failing ECM regulator feeding the sensor group | Disconnect sensors fed by the 8V supply one at a time to isolate the shorted circuit, then check supply voltage at the ECM connector |
| CID 091 FMI 08/13 | Throttle position sensor signal frequency abnormal (08) or sensor out of calibration (13) | Throttle sensor linkage worn or misadjusted, damaged sensor, or calibration never performed after service | Inspect throttle linkage for binding or wear, then run the throttle position sensor calibration with Cat ET |
| CID 100 FMI 01/03/04 | Engine oil pressure low or very low (01), or oil pressure sensor signal voltage above/below normal (03/04) | Low oil level, worn oil pump, or a faulty oil pressure sensor and wiring | Check oil level and condition first, confirm pressure with a mechanical gauge, then test the sensor circuit if readings disagree |
| CID 102 FMI 03/04 | Boost (turbo inlet manifold) pressure sensor signal voltage above or below normal range | Damaged sensor, pinched or disconnected sense line, or chafed harness wiring near the turbo | Inspect the pressure sense line and connector for damage, then verify sensor supply and signal voltage against spec |
| CID 110 FMI 00/03/04 | Engine coolant temperature above normal operating range (00), or coolant temperature sensor signal voltage abnormal (03/04) | Low coolant level, restricted radiator airflow, failing thermostat, or a faulty coolant temperature sensor/wiring | Check coolant level and radiator condition first, then verify sensor resistance and wiring if the gauge reading looks wrong |
| CID 168 FMI 00/01 | Electrical system (battery) voltage above normal (00) or below normal (01) | Failing alternator, loose or corroded battery cables, or a parasitic draw pulling the system low | Load-test the batteries and alternator output, then inspect charging system wiring and grounds |
| CID 190 FMI 02/08 | Engine speed/timing sensor signal erratic or intermittent (02), or abnormal frequency (08) | Damaged sensor, incorrect air gap, or a chafed harness near the flywheel housing | Check sensor air gap and mounting, inspect harness routing for chafe points, then confirm signal with Cat ET before replacing the sensor |
| CID 253 FMI 02 | Personality module (ECM programmed parameters) signal erratic or intermittent | Corrupted engine programming, loose ECM connector, or an ECM hardware fault | Reseat and inspect the ECM connectors, then reflash or reprogram the engine parameters with Cat ET |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
85C attachments & work tools
Drawbar / three-point hitch (tillage & general draft work)
85C track tractors were factory-built in both with-3-point-hitch and without-3-point-hitch configurations, so hitch setup varies by unit. Rear linkage pairs with a swinging or rigid drawbar for pulled tillage and seeding implements sized to the 300-355 hp engine class; exact hitch category is not published, verify against the data plate or dealer parts book.
Scraper drawbar / hitch kits
A reinforced 4-ear drawbar kit is offered for the Challenger 65/70/75/85/95 track-tractor family (with or without factory 3-point hitch) to carry earthmoving scrapers, including tandem hookups and scrapers above about 15 cu yd (11.5 m3). The 4-ear design pulls the vertical hitch pin close to the tractor for better weight transfer under scraper loading; a reverse adapter can convert the drawbar back to standard ag use.
Rear PTO
Rear power take-off runs at 1000 rpm with roughly 305 hp (227 kW) available at the shaft, suited to PTO-driven implements such as large pull-type mowers, grain augers, and similar draft-class attachments in this horsepower bracket.
Rear hydraulic remotes / hitch-mounted work tools
Closed-center hydraulic system with 4 rear remote valves, roughly 2550 psi (176 bar) system pressure, and pump flow of about 27 gpm (102 L/min) standard, with an optional 35 gpm (132 L/min) pump for higher-demand implements. Remotes use standard quick-release coupler bodies for connecting hoses on hitch-mounted or trailed hydraulic implements.
Undercarriage / rubber belt track options
Runs on rubber belt tracks shared in width options across the Challenger 65/75/85/95 series, commonly 25 in (635 mm) or 30 in (762 mm) wide depending on the track/tire package ordered; width choice affects flotation and ground pressure for field work. Standard mid-roller and drive-wheel undercarriage components are common across this model group.
Ballast / weight kits
Front-frame suitcase-style weight kits are available for the Challenger line to balance heavy rear-mounted or drawn tillage implements and maintain traction and steering control under draft load; ballast needs vary with the implement and 3-point configuration in use.
All 85C assemblies by section
Every catalogued assembly group for the Caterpillar 85C. 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 |
6i2585 Air Cleaner Gp
| 6I***05 | Filter Element As-Air; -Primary | 1 |
| 6I***06 | Filter Element As-Air; -Secondary | 1 |
| 6I***85 | Air Cleaner Group | 1 |
1003819 Air Cleaner Gp
| 10***19 | Air Cleaner Group | 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 |
1003901 Lines Gp-Air
| 10***01 | 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 |
1073580 Turbocharger Gp*R
| 10***80 | Turbocharger Group | 1 |
1075775 Turbocharger Gp
| 10***75 | Turbocharger Group | 1 |
Basic Engine
6i1601 Camshaft Gp-Single
| 6I***01 | Camshaft Group | 1 |
7c1741 Cover Gp-Air Compressor
| 7C***41 | Cover Group-Air Compressor | 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 |
9y4054 Crankshaft Gp
| 9Y***54 | Crankshaft Group | 1 |
6i2753 Cylinder Block Gp
| 6I***53 | Cylinder Block Group | 1 |
1043847 Cylinder Head As
| 10***47 | 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 |
1014004 Cylinder Head Gp*R
| 10***04 | Cylinder Head Group | 1 |
1014003 Cylinder Head Gp
| 10***03 | Cylinder Head Group | 1 |
1006176 Damper & Pulley Gp
| 10***76 | 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 |
1023596 Flywheel Gp
| 10***96 | Flywheel Group | 1 |
1025839 Gear Gp-Front
| 10***39 | Gear Group-Front | 1 |
7c1749 Housing Gp-Flywheel
| 7C***49 | Housing Group-Flywheel | 1 |
1025838 Housing Gp-Front
| 10***38 | Housing Group-Front | 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 |
7e4844 Plug Gp
| 7E***44 | Plug Group-Cylinder Block | 1 |
1003817 Pulley Gp
| 10***17 | Pulley Group | 1 |
1004384 Pulley Gp-Auxiliary Drive
| 10***84 | Pulley Group-Auxiliary Drive | 1 |
6i1616 Rocker Arm Gp-Valve
| 6I***16 | 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 |
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 |
1061377 Cooler Gp-Transmission Oil
| 10***77 | 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 |
1030749 Lines Gp-Water
| 10***49 | Lines Group-Water | 1 |
4p9387 Lines Gp-Water
| 4P***87 | Lines Group-Water | 1 |
1047889 Lines Gp-Water
| 10***89 | Lines Group-Water | 1 |
1047885 Pump Gp-Water
| 10***85 | Pump Group-Water | 1 |
1003610 Radiator Gp
| 10***10 | Radiator Group | 1 |
1003609 Radiator Gp
| 10***09 | 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 |
1082369 Valve & Mounting Gp
| 10***69 | Valve & Mounting Group | 1 |
9t8435 Valve Gp-Pilot
| 9T***35 | Valve Group-Pilot | 1 |
9t4880 Valve Gp-Pilot
| 9T***80 | Valve Group-Pilot | 1 |
6e3064 Valve Gp-Pilot
| 6E***64 | Valve Group-Pilot | 1 |
9t4904 Valve Gp-Pressure Control
| 9T***04 | Valve Group-Pressure Control | 1 |
9u1710 Control Gp-Steering-Part 1 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 2 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 |
1035554 Lines Gp-Pump
| 10***54 | 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-Steering
| 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-Slipper-Part 1 Of 2
| 6E***46 | Pump Group-Piston | 1 |
6e4946 Pump Gp-Piston-Slipper-Part 2 Of 2
| 6E***46 | Pump Group-Piston | 1 |
Drawbar, Three Point Hitch And Pto
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 |
4e2716 Control Gp-Power Takeoff
| 4E***16 | Control Group-Power Take-Off | 1 |
9u1695 Drawbar Gp-Swinging
| 9U***95 | Drawbar Group-Swinging | 1 |
9u1675 Lines Gp-Power Takeoff
| 9U***75 | Lines Group-Power Take-Off | 1 |
9u1674 Mounting Gp-Power Takeoff
| 9U***74 | Mounting Group-Power Take-Off | 1 |
1011349 Power Takeoff Ar
| 10***49 | Power Take-Off Ar | 1 |
| 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 |
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 |
Electrical System
1094576 Alternator Gp-Charging
| 10***76 | Alternator Group-Charging | 1 |
1171379 Alternator Gp-Charging*R
| 11***79 | Alternator Group-Charging | 1 |
9x9096 Alternator Gp-Charging*R
| 9X***96 | 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
4p9538 Control & Mounting Gp
| 4P***38 | Control & Mtg Group-Engine Elek | 1 |
1126935 Control Gp-Electronic
| 11***35 | Control Group-Electronic | 1 |
1025872 Control Gp-Electronic
| 10***72 | Control Group-Eng Ratings Elek | 1 |
3e0360 Control Gp-Electronic
| 3E***60 | Control Group-Engine Electronic | 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 |
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 |
4p9536 Wiring Gp-Unit Injector
| 4P***36 | Wiring Group-Unit Injector | 1 |
Engine Arrangement
1006130 Engine Ar-Part 2 Of 2
| 10***30 | Engine Ar | 1 |
| 10***48 | Pump Group-Fuel Injection | 6 |
| 10***49 | Lines Group-Water | 1 |
1006130 Engine Ar-Part 1 Of 2
| 10***30 | Engine Ar | 1 |
| 10***76 | Damper & Pulley Group | 1 |
| 10***03 | Cylinder Head Group | 1 |
Final Drive
7i4162 Final Drive Gp
| 7I***62 | Final Drive Group | 1 |
Frame And Body
1004548 Axle Gp-Front
| 10***48 | Axle Group-Front | 1 |
1r1030 Belt & Drive Gp
| 1R***30 | Belt & Drive Group | 1 |
1r0977 Belt Ar
| 1R***77 | Belt Ar | 1 |
| 1R***03 | Track-Rubber; (Belt) | 1 |
| 1R***04 | Track-Rubber; (Belt) | 1 |
1r1080 Belt Ar
| 1R***76 | Track-Rubber; (Belt) | 2 |
| 1R***80 | Belt Ar | 1 |
1r0979 Belt Ar
| 1R***79 | Belt Ar | 1 |
| 1R***05 | Belt | 2 |
1r0974 Belt Ar
| 1R***74 | Belt Ar | 1 |
| 1R***98 | Belt 626 mm (25") Wide | 2 |
1r0950 Belt Ar
| 1R***50 | Belt Ar | 1 |
| 1R***97 | Track-Rubber | 2 |
1r0976 Belt Ar
| 1R***76 | Belt Ar | 1 |
| 1R***01 | Track-Rubber; (Belt) | 1 |
| 1R***02 | Track-Rubber; (Belt) | 1 |
1r1137 Belt Ar
| 1R***34 | Track-Rubber | 2 |
| 1R***37 | Belt Ar | 1 |
1r0980 Belt Ar
| 1R***80 | Belt Ar | 1 |
| 1R***06 | Belt | 2 |
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 |
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 |
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 |
1058661 Support Gp-Suspension
| 10***61 | Support Group-Suspension | 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 |
7c6399 Filter Gp-Primary Fuel
| 7C***99 | Filter Group-Primary Fuel | 1 |
6i0145 Filter Gp-Primary Fuel
| 6I***45 | Filter Group-Primary Fuel | 1 |
9u1666 Lines Gp-Fuel-Part 2 Of 2
| 9U***66 | Lines Group-Fuel | 1 |
9u1666 Lines Gp-Fuel-Part 1 Of 2
| 9U***66 | Lines Group-Fuel | 1 |
1112701 Lines Gp-Fuel Injection
| 11***01 | Lines Group-Fuel Injection | 1 |
4p9546 Lines Gp-Fuel Injection
| 4P***46 | Lines 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 |
4p9532 Pump Gp-Fuel Transfer
| 4P***32 | Pump Group-Fuel Transfer | 1 |
Hydraulic System
1054200 Detent Gp-Control Valve
| 10***00 | Detent Group-Control Valve | 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 |
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 |
1092853 Pump Ar-Special-57cc-Part 1 Of 2
| 10***53 | Pump Ar | 1 |
1092853 Pump Ar-Special-57cc-Part 2 Of 2
| 10***53 | Pump Ar | 1 |
1071246 Pump Gp-Piston-Slipper
| 10***46 | Pump Group-Piston | 1 |
6e5477 Pump Gp-Piston-Slipper
| 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 |
9u1677 Valve & Mounting Gp
| 9U***77 | Valve & Mounting Group | 1 |
1082363 Valve Gp-Bank-4
| 10***63 | Valve Group-Bank | 1 |
6e5247 Valve Gp-Bank-4
| 6E***47 | Valve Group-Bank | 1 |
1051873 Valve Gp-Control
| 10***73 | Valve Group-Control | 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 |
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 |
9y8257 Filler Gp-Oil
| 9Y***57 | Filler Group-Engine Oil; -Left Front | 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 |
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 |
3e7763 Control Gp-Electronic
| 3E***63 | Control Group-Electronic; (Ground Speed Sensor) | 1 |
1073578 Control Gp-Electronic
| 10***78 | Control Group-Electronic | 1 |
7x1940 Control Gp-Electronic (Lightbar)
| 7X***40 | Control Group-Electronic | 1 |
3e6107 Radio Gp-Am/Fm-Cassette
| 3E***07 | Radio Group-Am/Fm | 1 |
9u4541 Seat Gp
| 9U***41 | 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 1 Of 3
| 11***27 | Seat Group | 1 |
9u4857 Seat Gp
| 9U***57 | Seat Group | 1 |
3w6744 Seat Gp-Part 1 Of 3
| 3W***44 | Seat Group; Seat Gp-Adjustable | 1 |
1124037 Seat Gp
| 11***37 | Seat Group | 1 |
1173027 Seat Gp-Part 2 Of 3
| 11***27 | Seat Group | 1 |
1173027 Seat Gp-Part 3 Of 3
| 11***27 | Seat Group | 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 |
3e7394 Wiper Gp
| 3E***94 | Wiper Group; -Front | 1 |
9u1178 Wiper Gp
| 9U***78 | Wiper Group | 1 |
3w5042 Wiper Gp
| 3W***42 | Wiper Group; -Front | 1 |
1043281 Absorber Gp-Shock
| 10***81 | Absorber Group-Shock | 1 |
1043269 Air Compressor Gp
| 10***69 | Air Compressor 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 |
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 3 Of 5
| 9U***20 | Cab Group | 1 |
9u1320 Cab Gp-Part 1 Of 5
| 9U***20 | Cab Group | 1 |
9u1320 Cab Gp-Part 5 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 4 Of 5
| 9U***20 | Cab Group | 1 |
9u1320 Cab Gp-Part 2 Of 5
| 9U***20 | Cab Group | 1 |
1043274 Cam As-Sliding
| 10***74 | Cam As-Sliding | 1 |
3e1907 Compressor Gp-Clutch & Refrigerant
| 3E***07 | Compressor Group-Clutch & Refrig | 1 |
1045812 Compressor Gp-Refrigerant
| 10***12 | Compressor Group-Refrigerant | 1 |
1064547 Condenser & Mounting Gp
| 10***47 | Condenser & Mounting 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 |
9x8180 Lamp Gp-Head
| 9X***80 | Lamp Group-Head | 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 |
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 2 Of 3
| 10***62 | Seat Group-Suspension | 1 |
1043262 Seat Gp-Suspension-Part 3 Of 3
| 10***62 | Seat Group-Suspension | 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 |
1012787 Sensor & Mounting Gp
| 10***87 | Sensor & Mounting Group | 1 |
9u1707 Sensor & Mounting Gp
| 9U***07 | 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 |
1043261 Suspension Gp-Seat-Air
| 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 |
1063673 Wiring Gp-Machine-Part 3 Of 3
| 10***73 | Wiring Group | 1 |
1063673 Wiring Gp-Machine-Part 2 Of 3
| 10***73 | Wiring Group | 1 |
1043278 Wiring Gp
| 10***78 | Wiring Group | 1 |
1063673 Wiring Gp-Machine-Part 1 Of 3
| 10***73 | Wiring Group | 1 |
9u1693 Wiring Gp-Cab-Part 2 Of 2
| 9U***93 | Wiring Group-Cab | 1 |
9u1693 Wiring Gp-Cab-Part 1 Of 2
| 9U***93 | Wiring Group-Cab | 1 |
Service Equipment And Supplies
1082685 Film Gp
| 10***85 | Film Group | 1 |
Name Plates & Films
| 10***12 | Film-Instruction; (Alternate Exit, Remove Window) | 1 |
| 10***64 | Film-Notice | 1 |
| 10***85 | Film Group | 1 |
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 Cover Gp-Shipping
| 6T***40 | Cover Group-Shipping; Covers Gp-Shipping | 1 |
3w5074 Lines Gp-Filter
| 3W***74 | Lines Group-Transmission Filter | 1 |
7t7953 Pump Gp-Gear
| 7T***53 | Pump Group-Gear | 1 |
7t7990 Pump Gp-Gear
| 7T***90 | Pump Group-Gear; Pump Gp-Gear | 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 |
6i8635 Case & Parts Gp-Planetary-Part 1 Of 3
| 6I***35 | Case & Parts Group-Planetary | 1 |
6i8634 Case & Parts Gp-Planetary-Part 3 Of 3
| 6I***34 | Case & Parts Group-Planetary | 1 |
6i8635 Case & Parts Gp-Planetary-Part 2 Of 3
| 6I***35 | Case & Parts Group-Planetary | 1 |
6i8635 Case & Parts Gp-Planetary-Part 3 Of 3
| 6I***35 | Case & Parts Group-Planetary | 1 |
6i8634 Case & Parts Gp-Planetary-Part 2 Of 3
| 6I***34 | Case & Parts Group-Planetary | 1 |
6i8634 Case & Parts Gp-Planetary-Part 1 Of 3
| 6I***34 | Case & Parts Group-Planetary | 1 |
6i8630 Clutch Gp-Part 2 Of 2
| 6I***30 | Clutch Group | 1 |
6i8626 Clutch Gp-Part 1 Of 2
| 6I***26 | Clutch Group | 1 |
6i8626 Clutch Gp-Part 2 Of 2
| 6I***26 | Clutch Group | 1 |
6i8630 Clutch Gp-Part 1 Of 2
| 6I***30 | Clutch Group | 1 |
8e7038 Control Gp-Transmission Hydraulic
| 8E***38 | Control Group-Transmission Hydraulic | 1 |
6i8632 Drive Gp-Pump
| 6I***32 | Drive Group-Pump; -Transmission | 1 |
9u8841 Drive Gp-Pump
| 9U***41 | Drive Group-Pump | 1 |
9u1673 Filler Gp-Power Train Oil
| 9U***73 | Filler Group-Power Train Oil | 1 |
6i9139 Planetary Gp-Part 3 Of 3
| 6I***39 | Planetary Group-Transmission | 1 |
6i9139 Planetary Gp-Part 2 Of 3
| 6I***39 | Planetary Group-Transmission | 1 |
6i9139 Planetary Gp-Part 1 Of 3
| 6I***39 | Planetary Group-Transmission | 1 |
1038861 Drive Shaft Gp
| 10***61 | Shaft Group-Drive | 1 |
1020406 Shaft Gp-Input
| 10***06 | Shaft Group-Input | 1 |
6i8624 Shaft Gp-Input
| 6I***24 | Shaft Group-Input | 1 |
6i8623 Transmission Ar
| 11***45 | Kit-Gasket; (Parts And Case) | 0 |
| 11***46 | Kit-Gasket; (Hydraulic Control) | 0 |
| 11***47 | Kit-Gasket; (Planetary) | 0 |
6i8622 Transmission Ar
| 6I***22 | Transmission Ar | 1 |
| 6I***24 | Shaft Group-Input | 1 |
| 6I***26 | Clutch Group | 1 |
8e7037 Valve Gp-Relief
| 8E***37 | Valve Group-Relief | 1 |
85C serial number reference
On the 85C the PIN/serial plate is a riveted metal tag on the machine frame, readable by walking around the front of the tractor near the articulation joint. Read it as an 8-character Cat PIN: the first 3 characters are the model/plant prefix (9TK for the 85C), the remaining digits are the sequential unit number within that prefix run. Confirm exact plate placement against the plate on your own unit or with your dealer, since exact mounting position can vary by production run.
| Prefix | Identifies | Notes |
|---|---|---|
| 9TK | 85C Challenger, rubber-track (crawler) belted ag tractor, full power shift transmission | Continuous production run 9TK00001-up; earliest block 9TK00001-00999 dates to 1994, later units 9TK01000-up, no configuration break noted between blocks. Fitted with the Cat 3176 turbocharged, intercooled diesel, 10.3 L displacement, rated 355 hp (265 kW) gross; tested output about 305 hp PTO / 272 hp drawbar. Assembled at the Peoria, Illinois plant. Model years fall roughly 1993-1996 depending on source; one aggregator lists 1994-1996, parts/serial records show 9TK serials already in use in 1993. |
Frequently asked questions
What engine powers the Caterpillar 85C Challenger?
A Caterpillar 3176 ATAAC, a 10.3L (629 cu in) turbocharged, air-to-air aftercooled inline-six diesel rated at 355 hp (265 kW) gross at 2100 rpm.
What is the operating weight of the 85C?
About 15,261 kg (33,645 lb) in standard configuration. Actual weight varies with track width (25 in or 30 in), ballast, and attached drawbar or hitch equipment.
What replaced the Caterpillar 85C?
The 85D succeeded it in 1996-1997 with output bumped to roughly 370 hp gross, followed by the 85E through the end of the 1990s. The broader Challenger tractor line continued under AGCO after Caterpillar sold its agricultural equipment business in 2002.
What 85C owners discuss
What's the reputation of the 3176 engine in the 85C, and what quirks show up as hours climb?
Owners generally call the 3176 ATAAC strong and long-lived when oil intervals are kept current. The recurring complaint past roughly 7,000 hours is a weep at the aluminum spacer deck between the cylinder block and head; reassembly needs the block-to-liner ledge resealed correctly or the leak returns. Camshaft and valve-train wear shows up on units run with stretched or contaminated oil intervals, and rod-bearing failures have been reported on high-hour units. Parts for the earlier B-series 3176 are getting scarce, so factor that into a repower-versus-rebuild decision. Have your dealer verify oil analysis and camshaft condition before committing to a rebuild.
Any known transmission or driveline weak points?
The powershift transmission is one of the 85C's strong points; outright transmission failures are rare. Operators credit the separate sumps for transmission, final drive, and hydraulics with keeping a failure in one circuit from contaminating the others. The one common gripe is power de-rating in the lower gears under heavy pull, with some operators dropping two gears instead of one when the load gets tough. That's normal behavior for the drivetrain, not a sign of a fault.
How does the differential steering hold up, and what causes pulling to one side?
The hydrostatic differential steering on the 85C is simple and rarely fails on its own. If the tractor pulls or steers unevenly, operators check track tension and the air-bag suspension first; both bags should carry equal pressure, about 414 kPa (60 psi), and a mismatch between sides is a common, easy-to-miss cause of a pull. Have your dealer verify steering-motor and pump condition if tension and air pressure both check out even.
What undercarriage and track wear patterns are typical for this machine?
Track tensioners are nitrogen-charged spring units mounted just ahead of each track. The mounting bushes see heavy load and wear out, and over time the nitrogen charge itself can seep down, letting side-to-side tension go uneven. Midrollers wear from heat buildup under load; look for the roller face rounding or doming, with more rubber left in the middle than at the edges, as the normal progression toward replacement. Loose or missing guide blocks let a track wander out of line and speed up wear on both the track and the rollers. Early C-series undercarriages used grease-zerk bearings rather than sealed ones, and units that missed scheduled greasing show noticeably faster wear than sealed-carriage machines.
What electrical or sensor issues come up on the 3176-equipped Challengers?
The most-reported symptom is intermittent stalling or an erratic shutdown traced to a faulty RPM or timing sensor, damaged wiring, or an ECM fault rather than a fuel problem. A pattern of cranking fine, starting only with ether, then dying has also been tied to crank or cam sensor faults on this engine. Hard starting in field conditions is sometimes traced to simple battery drain rather than the engine or fuel system, so rule that out first. Have your dealer verify sensor and ECM fault codes with a proper diagnostic read before swapping parts.
Any cab or comfort quirks specific to this generation?
Operators note the factory air conditioning is underwhelming in hot conditions. The C-series cab has fixed rear and side glass that doesn't open, unlike earlier B-series tractors, so this generation shipped with a carbide-tipped hammer for emergency glass egress. The lower right corner of the cab shell is also a spot operators flag as showing wear or damage first.
What should a buyer check before purchasing a used 85C?
Confirm service history and hours. A well-maintained 85C can run well past 10,000-15,000 hours with major components intact, so low hours paired with poor records is a bigger red flag than moderate hours with solid documentation. Walk the tracks: check for tread wear and cuts, and inspect the inside face where the idlers ride, which should be smooth with no exposed steel banding. Confirm all guide blocks are tight and in place, since looseness lets a track run out of line. Check the nitrogen-charged track tensioners for leakage and even side-to-side tension, and verify both suspension air bags hold equal pressure. Look underneath for cracked trash-shield plates that can break loose and wedge into a track. Confirm which undercarriage type is fitted, greasable zerk versus sealed, and ask for grease records if it's the zerk style. Check transmission oil level and condition for signs of overfill or cross-contamination from hydraulic fluid, and confirm the correct fluid types are in service. Have your dealer verify engine oil analysis, camshaft and valve-train condition, and any ECM fault history before finalizing a purchase.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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