Caterpillarchallenger
Caterpillar MTC835
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar MTC835 is a Mobil-trac rubber-belted agricultural track tractor, the smallest of the "Series 35" Challenger-family track tractors carried in Caterpillar's own parts catalog under the MTC835 designation and built in 2002-2004. It runs a Cat C-12, 11.9-liter turbocharged inline-six diesel rated at roughly 340 gross hp (253.5 kW) at 2100 rpm, driving a 16-forward/4-reverse Cat powershift transmission through the Mobil-trac undercarriage of front idler, mid-roller/bogie wheels, and rear drive wheel. Operating weight runs around 18,144 kg (40,000 lb), varying with track/belt width, ballast, and attached implements. Field configurations included a rear drawbar, 3-point hitch with quick-hitch, PTO, and hydraulic remotes for pull-type and mounted implements. It sits between Caterpillar's earlier rigid-frame Challenger 65/75/85/95 tractors and the MT835B and MT835C generations that followed it.
Caterpillar sold its agricultural track-tractor business, including the Challenger name and Mobil-trac technology, to AGCO in a deal that closed in 2002. AGCO built the MTC835 from the start of that 2002 production run, while Caterpillar continued supplying the C-12 engine and transmission design and kept the MTC835 name and BAM serial prefix in its own parts catalog alongside AGCO's MT835 branding for the same machine. Later MT835B and MT835C generations carried the AGCO Challenger badge only and moved to the Cat C15 ACERT engine, leaving the original MTC835 as the last Series 35 track tractor with the pre-ACERT C-12 powertrain. That makes it a transitional machine in today's used and parts market: buyers look to it for a mechanically simpler HEUI-injected diesel without later ACERT emissions hardware, while its Mobil-trac undercarriage components share design lineage (and some wear-part commonality) with its larger MT845/MT855/MT865 siblings, keeping parts support active even as factory documentation splits between Caterpillar and AGCO channels.
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 MTC835 specifications
Engine
| Engine model | Caterpillar C12, 6-cylinder diesel, turbocharged with air-to-air aftercooling |
| Displacement | 11.9 L (729 cu in), bore 130 mm x stroke 150 mm |
| Gross power | 340 hp (253.5 kW) at 2100 rpm |
| PTO power (rated) | 275 hp (205.1 kW) |
| PTO power (test peak) | up to 358 hp (267 kW) recorded on official test-stand trial |
| Emissions tier | not documented for this model year range - verify with dealer |
Weights
| Operating weight | approx. 18,144 kg (40,000 lb); one source lists up to 18,769 kg depending on configuration - varies by configuration |
| Ground pressure | not published for this model |
Dimensions
| Overall length | 675 cm (265.9 in) |
| Overall width | 360 cm (142.1 in) |
| Overall height (to cab) | approx. 350-352 cm (138.1-138.7 in), varies by source |
| Wheelbase | 299 cm (118.1 in) |
| Ground clearance | 47 cm (18.7 in) |
| Track width | 46 cm (18 in) |
Performance
| Transmission | 16 forward / 4 reverse full powershift |
| Drawbar power (test peak) | 196.3 kW (263.3 hp) |
| Travel speed | not documented for this exact model - verify with dealer |
| Gradeability | not published for this model |
Service capacities (summary)
| Fuel tank | 1,154 L (305 US gal) standard; 1,249 L (330 US gal) optional |
| Hydraulic system | 265 L (70 US gal), relief pressure 200 bar (2900 psi) |
| Hydraulic pump flow | 165 lpm (43.5 gpm) standard; 223 lpm (59 gpm) optional |
| Engine oil | not documented for this model - verify with dealer |
| Cooling system | not documented for this model - verify with dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
MTC835 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) — Cat C-12, 11.9L 6-cylinder turbocharged diesel | Not confirmed for this exact pan/filter configuration in accessible sources. Typical Cat C-12 industrial crankcase refill runs roughly 30-38 L (32-40 US qt) depending on pan option — verify against the machine OMM or dealer before servicing. | Cat DEO (Diesel Engine Oil). SAE 15W-40 for temperate ambient; SAE 10W-30 in cold climates below about 0°C (32°F); Cat full-synthetic 0W-40 for extreme cold starting, per Cat's viscosity-by-climate guidance for this engine family. |
| Cooling system | Not documented in accessible sources for this model — verify with dealer or the machine-specific OMM. | Cat ELC (Extended Life Coolant) or Cat DEAC (Diesel Engine Antifreeze/Coolant), the standard Cat coolant line for diesel engines of this era. |
| Fuel tank | 1154 L (305 US gal) standard tank; 1249 L (330 US gal) optional extended tank | No. 2-D diesel fuel; No. 1-D blend recommended in cold weather for improved cold-flow, per Cat diesel fuel specification. |
| Hydraulic system and full-powershift transmission (combined circuit) | Approximately 265 L (70 US gal) total system capacity. The OMM may split hydraulic tank vs. transmission sump separately; the individual split is not confirmed in accessible sources — this figure covers the closed-center load-sensing hydraulic circuit together with the powershift transmission. | Cat TDTO (Transmission/Drive Train Oil), SAE 10W base grade, with climate-graded TDTO alternates for cold starts — the shared fluid Cat specifies across hydraulic and powershift-transmission circuits on Challenger track tractors of this generation. |
| Final drives (each side, track drive housings) | Not documented in accessible sources; serviced individually per side — verify with dealer or machine-specific OMM. | Cat TDTO (Transmission/Drive Train Oil), heavier-viscosity grade for final drive housings, same fluid family as the transmission/hydraulic circuit. |
| Grease (chassis and track pivot points, spec only) | No fill volume — serviced per grease-fitting interval, not a reservoir capacity. | Cat Multipurpose Grease (NLGI 2, lithium-complex base), or Cat Extreme Application (XL) grease for high-load pivots and cold-climate service. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar MTC835 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 MTC835 beyond the schedule
Predictive Maintenance & Fluid Analysis
Track the C-12's HEUI-injected diesel with oil samples pulled at every 250-500 hour service, watching for soot loading and fuel dilution typical of turbocharged field duty. Sample powershift transmission and hydraulic oil on the same interval since both share duty with the Mobil-trac belt tensioning circuit. Log belt condition at every walkaround; chunking, edge cracking, or tension drift on the front idler and mid-rollers predicts undercarriage wear well before a belt failure strands the tractor.
Corrective & Common Repairs
Recurring issues on the MTC835 center on the Mobil-trac undercarriage: mid-roller (bogie wheel) wear, front idler bearing seal leaks, and belt de-tracking from low tension or misaligned guide blocks. On the drivetrain, watch for powershift clutch-pack flare as hours climb and HEUI injector or high-pressure oil pump faults on the C-12. Turbocharger shaft wear and alternator/fan belt fatigue are common wear items given the engine's continuous high-load field cycles.
Overhaul & Rebuild Points
Major rebuild work centers on the undercarriage: belts, mid-rollers, and front idler assemblies are typically replaced together once wear reaches limits, since mismatched components accelerate tracking problems. On the C-12, plan top-end work around injectors, turbocharger, and water pump at higher hour counts. Powershift clutch packs and the hydraulic pump/track-tensioning cylinders are the other major rebuild points once slip, flare, or belt tension loss shows up in service checks.
Seasonal & Environment Servicing
Cold starts on the C-12 benefit from a block heater and cold-weather fuel handling given the engine's large displacement; rubber Mobil-trac belts also stiffen and need a tension recheck after hard winter starts. Summer row-crop and tillage work packs dust and chaff into the radiator, oil cooler, and charge-air cooler fins, so clean cores more often during peak field season. Between seasons, purge and protect the drawbar, PTO, and hydraulic remotes, and back belt tension off slightly for extended storage.
MTC835 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 1R-0762 | Filter As-Fuel | Fuel system service | Check fitment → |
| 161-1705 | Sensor As-Pressure | Lubrication service | Check fitment → |
| 111-2645 | Valve-Pump Bypass | Lubrication service | Check fitment → |
| 1R-0716 | Filter As-Engine Oil | Lubrication service | Check fitment → |
| 9S-8752 | Nut-Full | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
MTC835 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CID 0100 FMI 01 | Engine oil pressure below normal operating range for current engine speed | Low oil level, worn oil pump, plugged oil filter, or badly worn bearings | Shut engine down, check oil level and confirm actual pressure with a mechanical test gauge before restarting |
| CID 0100 FMI 03 | Engine oil pressure sensor circuit reading voltage above normal (open circuit) | Corroded or unplugged sensor connector, chafed harness wire open to ground | Inspect the oil pressure sensor connector and wiring harness for damage or corrosion before replacing the sensor |
| CID 0110 FMI 03/04 | Engine coolant temperature sensor circuit voltage above or below normal range | Failed sensor element or damaged/corroded sensor wiring | Check sensor connector and harness continuity, verify actual coolant temperature with a test gauge, replace sensor if wiring checks good |
| CID 0168 FMI 02 | Electrical system (battery) voltage erratic or intermittent | Loose or corroded battery terminals, failing alternator or voltage regulator, chafed charging harness | Clean and tighten battery connections, load-test the battery, check charging system output at the alternator |
| CID 0172 FMI 03/04 | Intake manifold air temperature sensor circuit fault | Damaged sensor or open/shorted sensor wiring | Inspect sensor and connector, test wiring for continuity and shorts, replace sensor if faulty |
| CID 0190 FMI 08 | Engine speed/timing sensor signal abnormal frequency | Loose or misadjusted timing sensor, metal debris on sensor tip, damaged sensor or wiring | Check sensor mounting and air gap, clean off debris, inspect wiring before replacing the sensor |
| CID 0001-0006 FMI 05 | Cylinder injector solenoid circuit current below normal (open circuit) | Open injector wiring harness connector or a failed injector solenoid coil | Check the injector wiring harness and connector for that cylinder, test solenoid resistance, replace injector if wiring is good |
| CID 0253 FMI 12 | ECM personality module failure | Corrupted ECM software/calibration or an internal ECM fault | Connect Cat ET to confirm the fault, reflash or reprogram the ECM, replace the module if the fault persists |
| CID 0247 FMI 09 | Data link (CAT/J1939) communication abnormal update rate | Damaged data link wiring or connector between the ECM and the cab display, missing termination resistance | Inspect data link wiring and connectors, check terminating resistors, verify with Cat ET that other modules are communicating |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
MTC835 attachments & work tools
Rear three-point hitch
Category 5 hitch rated near 19,500 lb (8,845 kg) lift capacity. An optional steerable three-point hitch is offered, letting the hitch pivot for tighter headland turns with wide implements under heavy draft.
Drawbar
Standard wide-swinging roller drawbar with roughly 32 degrees of swing each way. An optional hydraulically controlled drawbar uses cylinders to position or dampen it; combined with the three-point hitch unpinned, swing is about 28 degrees each side.
Rear PTO
Independent rear PTO at 1000 rpm on a 1.75 in (44 mm) spline shaft, offered as optional equipment and managed through the tractor's electronic management console rather than a mechanical lever.
Hydraulic remote valve kit
Closed-center, load-sensing hydraulic system. Standard pump flow is about 43.5 gpm (164 L/min) feeding up to four rear remote valves; an optional 59 gpm (223 L/min) pump supports up to six remotes, with flow divided proportionally across circuits for multiple implements running together.
Mobil-trac undercarriage / track width configuration
Rubber-belt track spacing is adjustable across roughly 90-128 in (2,286-3,251 mm) to suit tillage versus narrow row-crop work. Multiple track belt styles are offered in widths from about 18-36 in (457-914 mm), with idler, mid-wheel, and driver components sized to match belt width.
Ballast and counterweight
Factory-offered wheel weights and a front-mount weight bracket assembly are used to balance the tractor for heavy-draft tillage work and full fuel loads. Undercarriage weight-support components are also part of this family's ballast hardware.
Fuel tank configuration
Standard fuel capacity is about 305 US gal (1,154 L) on the 835/845/855 variants, with an optional center tank raising capacity to about 330 US gal (1,249 L); the largest model in the family ships with the 330 gal tank as standard.
All MTC835 assemblies by section
Every catalogued assembly group for the Caterpillar MTC835. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
205-1232 Elbow Gp-Air Inlet
| 10***25 | Gasket; (Air Inlet Manifold)(Intake Manifold Inlet) | 1 |
| 10***03 | Elbow; (Air Inlet) | 1 |
| 20***32 | Elbow Group-Air Inlet | 1 |
205-1231 Elbow Gp-Air Inlet
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 4 |
| 10***25 | Gasket; (Air Inlet Manifold)(Intake Manifold Inlet) | 1 |
| 10***03 | Elbow; (Air Inlet) | 1 |
126-0076 Lines Gp-Air -Turbocharger Outlet
| 12***73 | Elbow | 1 |
| 12***76 | Lines Group-Air; -Turbocharger Outlet | 1 |
| 12***29 | Clamp; (V-Band) | 1 |
114-1904 Lines Gp-Air
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 2 |
| 11***04 | Lines Group-Air | 1 |
| 5H***04 | Packing,Preformed Elbow Part Of Kit P/N 5r***26 | 2 |
135-6552 Manifold Gp-Exhaust
| 10***54 | Manifold-Exhaust; (Center) | 1 |
| 10***08 | Manifold-Exhaust; (End)(End) | 2 |
| 10***92 | Stud-Taperlock; (3/8-16x3.93in) | 11 |
117-2688 Manifold Gp-Exhaust
| 10***13 | Gasket | 6 |
| 11***89 | Manifold-Exhaust; (Center) | 1 |
| 11***15 | Stud-Taperlock; (M10x85-mm Oal) | 12 |
116-5405 Manifold Gp-Inlet
| 11***05 | Manifold Group-Inlet | 1 |
| 11***06 | Manifold; (Inlet) | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
193-3931 Turbocharger Gp
| 19***08 | Turbocharger Group | 1 |
| 19***31 | Turbocharger Group | 1 |
| 1S***95 | Gasket-Turbocharger To Manifold; Gasket Turbocharger To Manifold | 1 |
192-3032 Turbocharger Gp
| 11***87 | Bolt; (M6x0.04x10.4-mm)(6mm X 0.04 Thd) | 1 |
| 13***75 | Clamp As; (Service Repair) | 1 |
| 16***58 | Clip-Hose | 1 |
191-5108 Turbocharger Gp
| 11***87 | Bolt; (M6x0.04x10.4-mm)(6mm X 0.04 Thd) | 1 |
| 12***53 | Clamp As; (Turbine) | 1 |
| 16***58 | Clip-Hose | 1 |
191-2248 Turbocharger Gp
| 19***48 | Turbocharger Group | 1 |
| 19***32 | Turbocharger Group | 1 |
| 1S***95 | Gasket-Turbocharger To Manifold; Gasket Turbocharger To Manifold | 1 |
Basic Engine
133-9907 Adapter Gp-Pump Drive
| 13***06 | Adapter | 1 |
| 13***07 | Adapter Group-Pump Drive; -Remote | 1 |
| 1B***67 | Ball Bearing | 2 |
122-1248 Base Gp-Valve Cover & Inj Harn
| 10***18 | Clip | 3 |
| 10***19 | Clip | 3 |
| 10***34 | Kit-Receptacle; (12-Pin)(Valve Cover & Inj Harness) | 1 |
138-2546 Bracket Gp-Support
| 13***46 | Bracket Group-Support; -Refrigerant Compressor | 1 |
| 16***80 | Bracket | 1 |
| 6V***22 | Bolt (M10x1.50x35mm) | 2 |
185-9699 Camshaft Gp
| 10***89 | Cover | 1 |
| 11***36 | Screw-Flat Head; (5/16-18x0.875-In) | 3 |
| 18***99 | Camshaft Group; (Single) | 1 |
171-3062 Camshaft Gp
| 11***59 | Cover | 1 |
| 12***11 | Journal | 1 |
| 13***68 | Gasket; (Camshaft Cover) | 1 |
107-6736 Cover Gp-Cylinder Block
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 2 |
| 10***36 | Cover Group-Cylinder Block; -Remote | 1 |
| 4N***99 | Gasket; (Oil Drain) | 1 |
212-9551 Cover Gp-Cylinder Block
| 06***55 | Seal-O-Ring (Id=47.22mm) | 2 |
| 21***51 | Cover Group-Cylinder Block | 1 |
| 6V***17 | Bolt; (M8x1.25x20-mm)(At Location Y) | 4 |
115-2985 Cover Gp-Cylinder Block
| 11***85 | Cover Group-Cylinder Block | 1 |
| 4P***87 | Cover | 1 |
| 6V***50 | Seal-O-Ring (Id=39.34mm) | 1 |
107-6737 Cover Gp-Cylinder Block
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 2 |
| 10***37 | Cover Group-Cylinder Block; -Remote | 1 |
| 4N***99 | Gasket; (Oil Drain) | 1 |
192-2042 Cover Gp-Engine
| 12***81 | Seal-Integral; (Air Compressor Mounting) | 1 |
| 14***14 | Cover | 1 |
| 16***87 | Hose-Fumes Disposal | 1 |
159-6159 Cover Gp-Front Housing
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 2 |
| 15***59 | Cover Group-Front Housing | 1 |
| 16***71 | Seal | 1 |
235-8781 Cover Gp-Front Housing
| 03***53 | Seal-O-Ring; (08.92mm Id) | 1 |
| 10***32 | Gasket | 1 |
| 18***09 | Plug As; (High Temperature) | 1 |
209-6669 Cover Gp-Front Housing
| 12***81 | Seal-Integral; (Air Compressor Mounting) | 1 |
| 14***14 | Cover | 1 |
| 20***69 | Cover Group-Front Housing; (Air Compressor) | 1 |
150-3135 Cover Gp-Valve Mechanism
| 14***78 | Grommet | 1 |
| 15***57 | Cover-Valve Mech | 1 |
| 15***35 | Cover Group-Valve Mechanism | 1 |
187-1326 Cover Gp-Valve Mechanism
| 14***78 | Grommet | 1 |
| 18***25 | Cover As-Valve | 1 |
| 18***26 | Cover Group-Valve Mechanism | 1 |
150-3141 Cover Gp-Valve Mechanism
| 14***76 | Cover-Valve Mechanism | 1 |
| 14***78 | Grommet | 1 |
| 15***41 | Cover Group-Valve Mechanism | 1 |
159-9343 Cover Gp-Valve Mechanism
| 14***78 | Grommet | 1 |
| 15***43 | Cover Group-Valve Mechanism | 1 |
| 17***39 | Cover As-Valve; (Breather) | 1 |
187-3316 Cover Gp-Valve Mechanism
| 15***41 | Cover Group-Valve Mechanism | 2 |
| 15***43 | Cover Group-Valve Mechanism | 1 |
| 18***16 | Cover Group-Valve Mechanism | 1 |
345-9238 Cover Gp-Valve Mechanism
| 15***35 | Cover Group-Valve Mechanism | 2 |
| 18***26 | Cover Group-Valve Mechanism | 1 |
| 34***38 | Cover Group-Valve Mechanism | 1 |
132-3212 Crankshaft Gp
| 12***82 | Bearing-Main; (0.51-mm Us)(.51mm U.S.) | 0 |
| 12***83 | Bearing-Main; (0.76-mm Us)(.76mm U.S.) | 0 |
| 12***84 | Bearing-Main; (0.51-mm Os)(.51mm O.S.) | 0 |
160-3913 Crankshaft Gp
| 15***32 | Crankshaft As | 1 |
| 16***13 | Crankshaft Group | 1 |
| 16***20 | Gear-Crankshaft; (80-Teeth) | 1 |
160-3912 Crankshaft Gp
| 16***99 | Crankshaft As | 1 |
| 16***12 | Crankshaft Group | 1 |
| 16***20 | Gear-Crankshaft; (80-Teeth) | 1 |
155-0741 Cylinder Block As
| 11***20 | Seal-O-Ring; (Mid-Liner) | 6 |
| 13***17 | Seal D-Ring | 6 |
| 13***81 | Liner-Cylinder Block | 6 |
267-4631 Cylinder Block As
| 16***81 | Cap-Crankshaft Bearing | 7 |
| 16***83 | Bolt; (7/8-14x7.5-In) | 14 |
| 26***31 | Cylinder Block As | 1 |
301-3016 Cylinder Block As
| 11***20 | Seal-O-Ring; (Mid-Liner) | 6 |
| 13***17 | Seal D-Ring | 6 |
| 13***81 | Liner-Cylinder Block | 6 |
234-9709 Cylinder Block As
| 11***20 | Seal-O-Ring; (Mid-Liner) | 6 |
| 13***17 | Seal D-Ring | 6 |
| 13***81 | Liner-Cylinder Block | 6 |
204-3449 Cylinder Block As
| 10***60 | Seal; (Liner) | 6 |
| 16***63 | Shim-Liner; -Cylinder | 0 |
| 16***64 | Shim-Liner; -Cylinder | 0 |
155-0056 Cylinder Block As
| 11***20 | Seal-O-Ring; (Mid-Liner) | 6 |
| 14***17 | Seal-O-Ring; (140.20mm Id) | 6 |
| 14***72 | Seal-Liner; (Coolant) | 6 |
267-4632 Cylinder Block As
| 11***20 | Seal-O-Ring; (Mid-Liner) | 6 |
| 14***17 | Seal-O-Ring; (140.20mm Id) | 6 |
| 14***72 | Seal-Liner; (Coolant) | 6 |
200-2054 Cylinder Block As
| 11***66 | Cap; (Bearing) | 7 |
| 17***54 | Bolt-Hex Head; (M16x160mm) | 14 |
| 20***54 | Cylinder Block As | 1 |
234-5998 Cylinder Block Gp
| 10***99 | Plug | 2 |
| 14***29 | Seal; (Drainback) | 1 |
| 1S***40 | Dowel; (30.23 mm X 9.37 mm) | 1 |
155-0057 Cylinder Block Gp
| 10***99 | Plug | 2 |
| 11***27 | Seal-O-Ring; (19.18mm Id) | 1 |
| 14***29 | Seal; (Drainback) | 1 |
115-2983 Cylinder Block Gp
| 11***83 | Cylinder Block Group | 1 |
| 1N***99 | Plug-O-Ring; (Straight Thread) | 2 |
| 20***49 | Cylinder Block As | 1 |
234-9702 Cylinder Block Gp
| 10***99 | Plug | 2 |
| 14***29 | Seal; (Drainback) | 1 |
| 1S***40 | Dowel; (30.23 mm X 9.37 mm) | 1 |
234-5997 Cylinder Block Gp
| 11***20 | Seal-O-Ring; (Mid-Liner) | 6 |
| 14***17 | Seal-O-Ring; (140.20mm Id) | 6 |
| 14***72 | Seal-Liner; (Coolant) | 6 |
155-0740 Cylinder Block Gp
| 10***99 | Plug | 2 |
| 11***27 | Seal-O-Ring; (19.18mm Id) | 1 |
| 14***29 | Seal; (Drainback) | 1 |
179-9459 Cylinder Head As
| 11***02 | Sleeve; (Injector) | 6 |
| 13***06 | Insert-Valve Seat; (Inlet)(Standard) | 12 |
| 14***52 | Insert-Valve Seat; (0.508-mm Os Od)(0.508-mm Os Od) | 12 |
243-6741 Cylinder Head As
| 12***47 | Guide-Valve; (0.51-mm Os)(Standard) | 0 |
| 12***75 | Guide-Valve; (Standard) | 24 |
| 12***12 | Guide-Valve; (0.13-mm Os)(Standard) | 0 |
243-0943 Cylinder Head As
| 15***82 | Insert-Valve Seat; (Exhaust)(Standard) | 12 |
| 16***42 | Insert-Valve Seat; (0.76-mm Os Od, Exhaust)(Standard) | 0 |
| 16***43 | Insert-Valve Seat; (0.76-mm Os Od, Inlet) | 0 |
223-7263 Cylinder Head As
| 12***47 | Guide-Valve; (0.51-mm Os)(Standard) | 0 |
| 12***75 | Guide-Valve; (Standard) | 24 |
| 12***12 | Guide-Valve; (0.13-mm Os)(Standard) | 0 |
281-1640 Cylinder Head As
| 12***47 | Guide-Valve; (0.51-mm Os)(Standard) | 0 |
| 12***75 | Guide-Valve; (Standard) | 24 |
| 12***12 | Guide-Valve; (0.13-mm Os)(Standard) | 0 |
116-1085 Cylinder Head Gp
| 11***85 | Cylinder Head Group | 1 |
| 14***49 | Cylinder Head Group | 1 |
| 18***07 | Gasket As-Cylinder Head | 1 |
148-2149 Cylinder Head Gp
| 10***50 | Guide-Valve; (Standard) | 24 |
| 13***29 | Valve; (Exhaust) | 12 |
| 14***49 | Cylinder Head Group | 1 |
176-9918 Cylinder Head Gp
| 12***47 | Guide-Valve; (0.51-mm Os)(Standard) | 0 |
| 12***75 | Guide-Valve; (Standard) | 24 |
| 12***12 | Guide-Valve; (0.13-mm Os)(Standard) | 0 |
234-9185 Cylinder Head Gp
| 10***73 | Fastener Group-Cylinder Head; (Marked X) | 10 |
| 12***54 | Bolt-12 Point Head; (3/4-16x8.5-In) | 1 |
| 12***55 | Bolt-12 Point Head; (3/4-16x7.638-In) | 1 |
223-9250 Cylinder Head Gp
| 15***23 | Valve; (Inlet) | 12 |
| 15***24 | Valve; (Exhaust) | 12 |
| 16***78 | Seal-Valve Stem; (Exhaust) | 24 |
191-8423 Cylinder Head Gp
| 12***54 | Bolt-12 Point Head; (3/4-16x8.5-In) | 10 |
| 12***55 | Bolt-12 Point Head; (3/4-16x7.638-In) | 16 |
| 18***96 | Cylinder Head Group | 1 |
183-5296 Cylinder Head Gp
| 15***24 | Valve; (Exhaust) | 12 |
| 16***78 | Seal-Valve Stem; (Exhaust) | 24 |
| 17***18 | Cylinder Head Group | 1 |
263-5055 Cylinder Head Gp
| 15***24 | Valve; (Exhaust) | 12 |
| 16***78 | Seal-Valve Stem; (Exhaust) | 24 |
| 18***01 | Rotocoil Assem. | 24 |
193-2261 Damper & Pulley Gp
| 14***71 | Bolt; (5/8-18x9-In) | 6 |
| 16***26 | Damper Assem. | 1 |
| 19***61 | Damper & Pulley Group | 1 |
192-8982 Damper & Pulley Gp
| 16***25 | Damper Assem. | 1 |
| 17***92 | Adapter | 1 |
| 19***82 | Damper & Pulley Group | 1 |
6i-3638 Drive Gp-Pump
| 0S***90 | Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As) | 3 |
| 13***07 | Adapter Group-Pump Drive; -Remote | 1 |
| 5M***94 | Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler | 4 |
116-1083 Fastener Gp-Cylinder Head
| 11***83 | Fastener Group-Cylinder Head; (Cylinder Head) | 1 |
| 12***84 | Bolt; (Hex Head) (M16x2x160mm) | 26 |
| 2S***58 | Washer-Hard; (17x29x3-mm Thk)(Engine Brake) | 26 |
112-2644 Fastener Gp-Front Housing
| 11***44 | Fastener Group-Front Housing | 1 |
| 14***67 | Stud-Taperlock, Plug,Female | 2 |
| 1F***58 | Nut-Full; (1/2-13-Thd)(Air Lines) | 2 |
204-5024 Fastener Gp-Front Housing
| 1F***58 | Nut-Full; (1/2-13-Thd)(Air Lines) | 2 |
| 20***48 | Stud-Taperlock | 2 |
| 20***24 | Fastener Group-Front Housing | 1 |
108-9382 Fastener Gp-Front Housing
| 10***82 | Fastener Group-Front Housing | 1 |
| 14***68 | Stud-Taperlock | 2 |
| 1F***58 | Nut-Full; (1/2-13-Thd)(Air Lines) | 2 |
138-2539 Fastener Gp-Front Housing
| 13***39 | Fastener Group-Front Housing | 1 |
| 6V***49 | Nut-Hard; (M12 X 1.75) | 2 |
| 7D***49 | Washer (Flywheel Counter Balance Weight) | 2 |
4p-6846 Fastener Gp-Front Housing
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 2 |
| 4P***46 | Fastener Group-Front Housing; -Remote | 1 |
| 5M***94 | Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler | 2 |
176-7007 Fastener Gp-Oil Pan
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 24 |
| 17***07 | Fastener Group-Oil Pan | 1 |
| 24***14 | Sleeve As | 24 |
109-1657 Fastener Gp-Valve Mechanism
| 10***57 | Fastener Group-Valve Mechanism | 1 |
| 5J***94 | Screw,Cap,Socket He Manifold Mtg | 12 |
| 8L***13 | Strap-Cable(Tie 5.50" Long) | 6 |
154-6189 Flywheel Gp
| 0S***76 | Bolt 5.08 cm(2 In.) Long | 12 |
| 13***76 | Flywheel As | 1 |
| 15***89 | Flywheel Group | 1 |
102-3596 Flywheel Gp
| 10***96 | Flywheel Group | 1 |
| 16***24 | Flywheel As | 1 |
| 4N***14 | Gear; (113-Teeth)(Flywheel Starter) | 1 |
204-9316 Gear Gp-Camshaft
| 10***26 | Dowel | 1 |
| 20***16 | Gear Group-Camshaft | 1 |
| 9X***72 | Bolt-Locking; (3/8-16x0.875-In) | 16 |
208-9490 Gear Gp-Front
| 03***85 | Bolt-12 Point Hd-Engine Flywheel To | 6 |
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 1 |
| 10***68 | Bearing-Sleeve | 1 |
117-2750 Gear Gp-Front
| 11***50 | Gear Group-Front | 1 |
| 13***83 | Shaft | 1 |
| 13***86 | Gear As; (Idler) (71 Teeth) | 1 |
117-2775 Housing Gp-Flywheel
| 06***55 | Seal-O-Ring (Id=47.22mm) | 1 |
| 11***75 | Housing Group-Flywheel | 1 |
| 14***73 | Housing-Flywheel, Threaded Tie-Rod, Threaded Tie-Rod; Replaces 421694a1 | 1 |
205-1230 Housing Gp-Flywheel
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 2 |
| 0S***19 | Bolt,Machine Gear Retaining Part Of Kit P/N 1w***46 | 1 |
| 14***68 | Seal-Crankshaft; (Rear)(Flywheel Housing) | 1 |
212-8137 Housing Gp-Front
| 06***55 | Seal-O-Ring (Id=47.22mm) | 1 |
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 1 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 11 |
159-8621 Housing Gp-Front
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 1 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 11 |
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 2 |
133-7075 Housing Gp-Front
| 11***24 | Gear; (Pump Drive) (34 Teeth) | 1 |
| 13***75 | Housing Group-Front | 1 |
| 16***66 | Seal Group-Crankshaft; (Front) | 1 |
192-1563 Idler Gp-Belt -Alternator, Refrigerant Compressor
| 14***11 | Pulley As-Idler | 1 |
| 14***01 | Cover-Dust; (Rear) | 1 |
| 15***98 | Spacer; (10.4x38.1x20-mm Thk) | 1 |
148-2063 Lifter Gp-Valve -Mechanism
| 0L***26 | Plug -13mm(.512 In.) Outside Dia. | 2 |
| 12***93 | Dowel | 1 |
| 14***63 | Lifter Group-Valve; -Mechanism | 1 |
111-2088 Lifting Gp-Engine
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 8 |
| 10***85 | Eye-Lifting | 1 |
| 11***88 | Lifting Group-Engine; (Rear) | 1 |
112-2418 Lifting Gp-Engine
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 4 |
| 10***86 | Eye-Lifting | 1 |
| 11***18 | Lifting Group-Engine | 1 |
117-2748 Lifting Gp-Engine
| 11***05 | Plate; (Lifting Eye) | 2 |
| 11***48 | Lifting Group-Engine | 1 |
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 6 |
190-0009 Mechanism Gp-Fuel Pump & Valve
| 19***09 | Mechanism Group-Fuel Pump & Valve | 1 |
| 32***36 | Rocker Arm Group; -Non-Brake | 3 |
| 6I***58 | Bridge-Valve | 12 |
148-7482 Mechanism Gp-Fuel Pump & Valve
| 14***82 | Mechanism Group-Fuel Pump & Valve | 1 |
| 19***98 | Rocker Arm Group | 3 |
| 6I***58 | Bridge-Valve | 12 |
197-7433 Mounting Gp-Belt Tensioner
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 4 |
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 4 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 3 |
243-3014 Mounting Gp-Belt Tensioner
| 15***00 | Bolt; (M10x1.5x54.25-mm) | 1 |
| 16***58 | Cover; (Dust) | 1 |
| 17***98 | Pulley As-Idler; (8-Groove) | 2 |
197-7432 Mounting Gp-Belt Tensioner
| 14***01 | Cover-Dust; (Rear) | 1 |
| 15***00 | Bolt; (M10x1.5x54.25-mm) | 2 |
| 16***58 | Cover; (Dust) | 1 |
252-5557 Mounting Gp-Belt Tensioner
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 4 |
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 2 |
| 0S***08 | Bolt-Support To Starting Engine Timing Gear Housing | 2 |
138-2550 Mounting Gp-Fan Drive
| 12***64 | Stud; (M12x1.75x86.3-mm Oal) | 2 |
| 13***50 | Mounting Group-Fan Drive; (Short) | 1 |
| 5R***37 | Washer; (Seal) (1.27mm Thk) | 2 |
116-5408 Mounting Gp-Valve Mechanism
| 11***83 | Fastener Group-Cylinder Head; (Cylinder Head) | 1 |
| 11***08 | Mounting Group-Valve Mechanism | 1 |
| 17***68 | Bridge As-Valve; (Intake) | 12 |
250-1884 Pan Gp-Oil
| 06***58 | Seal-O-Ring; (Oil Pan Drain Plug) | 2 |
| 10***08 | Gasket; (Oil Pan) | 1 |
| 12***57 | Bell As; (Suction) | 1 |
126-0144 Pan Gp-Oil -Engine
| 06***58 | Seal-O-Ring; (Oil Pan Drain Plug) | 2 |
| 10***08 | Gasket; (Oil Pan) | 1 |
| 12***57 | Bell As; (Suction) | 1 |
196-2111 Pan Gp-Oil
| 06***58 | Seal-O-Ring; (Oil Pan Drain Plug) | 1 |
| 0L***51 | Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold | 3 |
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 4 |
134-3071 Piston & Rod Gp
| 13***71 | Piston & Rod Group | 1 |
| 13***05 | Ring-Piston; (Oil Control) | 1 |
| 14***30 | Ring-Piston; (Intermediate) | 1 |
176-5745 Piston & Rod Gp
| 13***63 | Skirt-Piston | 1 |
| 13***61 | Ring-Piston; (Top)(Top) | 1 |
| 15***25 | Bolt; (7/16-14-2a-Thd) | 1 |
130-0863 Piston & Rod Gp
| 11***99 | Plug-Pin | 2 |
| 11***16 | Rod Assem. | 1 |
| 11***72 | Bearing-Connecting Rod | 1 |
138-2028 Plug Gp-Cylinder Block
| 13***28 | Plug Group-Cylinder Block | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 6V***48 | Seal--O-Ring--To Governor Drive Housing | 1 |
247-8211 Plug Gp-Cylinder Block
| 03***53 | Seal-O-Ring; (08.92mm Id) | 1 |
| 13***27 | Seal-O-Ring; (19.18mm Id Base Side) | 1 |
| 18***09 | Plug As; (High Temperature) | 1 |
117-0185 Plug Gp-Cylinder Block
| 11***85 | Plug Group-Cylinder Block; (Cylinder Block) | 1 |
| 6V***89 | Seal-O-Ring (Id=19.18mm) | 1 |
| 9S***06 | Plug (Front 5 Stem Main Control Valve) | 1 |
117-0165 Plug Gp-Cylinder Block
| 11***65 | Plug Group-Cylinder Block; -Oil Gallery, End | 1 |
| 3B***23 | Core Plug--Flywheel Housing Pinion Shaft Hole | 1 |
234-9706 Plug Gp-Cylinder Block
| 23***06 | Plug Group-Cylinder Block; -Remote | 1 |
| 6V***48 | Seal--O-Ring--To Governor Drive Housing | 1 |
| 6V***09 | Seal-O-Ring (Id=16.36mm); (16.36-mm Id) | 1 |
191-6520 Plug Gp-Cylinder Block
| 19***20 | Plug Group-Cylinder Block | 1 |
| 21***66 | Seal-O-Ring; (Engine Oil) | 1 |
| 30***30 | Accessory Drive Pulley, Plug As | 1 |
305-9196 Plug Gp-Cylinder Block
| 30***96 | Plug Group-Cylinder Block | 1 |
| 6V***65 | O-Ring - For Oil Fill Plug | 1 |
| 9S***10 | Plug; (Straight Thread O-Ring)(Cylinder Head) | 1 |
235-1591 Plug Gp-Cylinder Block
| 03***53 | Seal-O-Ring; (08.92mm Id) | 1 |
| 13***27 | Seal-O-Ring; (19.18mm Id Base Side) | 1 |
| 18***09 | Plug As; (High Temperature) | 1 |
110-1116 Plug Gp-Cylinder Head
| 11***16 | Plug Group-Cylinder Head | 1 |
| 7W***92 | Plug-Pipe; (1/2-14 Nptf Thd)(Use Without Air Compressor) | 1 |
234-9184 Plug Gp-Cylinder Head
| 18***08 | Plug As; (High Temperature) | 4 |
| 23***84 | Plug Group-Cylinder Head; -Remote | 1 |
| 6V***51 | Seal-O-Ring (Id=19.18mm) | 1 |
234-9776 Plug Gp-Engine
| 23***76 | Plug Group-Engine; -Remote | 1 |
| 6V***09 | Seal-O-Ring (Id=16.36mm); (16.36-mm Id) | 1 |
| 9S***05 | Plug-O-Ring; (Straight Thread O-Ring) | 1 |
234-9775 Plug Gp-Engine
| 23***75 | Plug Group-Engine; -Remote | 1 |
| 6V***09 | Seal-O-Ring (Id=16.36mm); (16.36-mm Id) | 1 |
| 8L***86 | Seal-O-Ring (Id=16.36mm); (16.36-mm Id) | 1 |
320-2796 Rocker Arm Gp -Intake
| 25***21 | Button | 1 |
| 27***91 | Screw-Arm Adjustment; (3/8-24x1.20-In) | 1 |
| 27***17 | Nut; (3/8-24-Thd) | 1 |
115-9397 Rocker Arm Gp
| 09***14 | Pin; (Spring) | 1 |
| 11***97 | Rocker Arm Group | 1 |
| 11***98 | Arm; (Valve Rocker) (Exhaust) | 2 |
278-1929 Rocker Arm Gp
| 06***39 | Seal-O-Ring | 2 |
| 19***51 | Button; (24-mm Od) | 2 |
| 19***69 | Screw-Arm Adjustment; (9/16-18x2-In) | 2 |
328-4238 Rocker Arm Gp
| 06***39 | Seal-O-Ring | 1 |
| 19***51 | Button; (24-mm Od) | 1 |
| 19***69 | Screw-Arm Adjustment; (9/16-18x2-In) | 1 |
198-9898 Rocker Arm Gp
| 03***13 | Seal-O-Ring | 2 |
| 06***39 | Seal-O-Ring | 2 |
| 19***51 | Button; (24-mm Od) | 2 |
278-1931 Rocker Arm Gp
| 06***39 | Seal-O-Ring | 2 |
| 19***51 | Button; (24-mm Od) | 2 |
| 19***69 | Screw-Arm Adjustment; (9/16-18x2-In) | 2 |
328-4236 Rocker Arm Gp
| 30***22 | Shaft As-Rocker Arm, Exhaust Manifold | 1 |
| 32***96 | Rocker Arm Group; -Intake | 4 |
| 32***36 | Rocker Arm Group; -Non-Brake | 1 |
116-1091 Seal Gp-Crankshaft
| 10***80 | Seal-O-Ring (Id=177.17mm) | 1 |
| 11***91 | Seal Group-Crankshaft; -Single Lip | 1 |
| 16***23 | Cover | 1 |
319-7401 Seal Gp-Crankshaft -Front
| 14***67 | Seal Group-Crankshaft; (Front) | 1 |
| 31***01 | Seal Group-Crankshaft; -Front | 1 |
193-7412 Support Gp-Engine
| 19***61 | Support As | 1 |
| 19***12 | Support Group-Engine | 1 |
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 8 |
193-7413 Support Gp-Engine
| 19***65 | Support As | 1 |
| 19***13 | Support Group-Engine | 1 |
| 2H***88 | Bolt- 12 cm(4.75 In.) Long-Location "F" | 8 |
117-2749 Valve Mechanism Gp -Engine
| 10***42 | Base-Valve Mechanism Cover | 1 |
| 10***67 | Pushrod; (Valve) | 12 |
| 10***68 | Pushrod-Injector | 6 |
Cooling System
115-2990 Cooler Gp-Engine Oil
| 06***40 | Seal-O-Ring (Id=37.69mm) | 2 |
| 10***25 | Gasket | 1 |
| 11***90 | Cooler Group-Engine Oil; (Engine Oil) | 1 |
117-2792 Fastener Gp-Oil Cooler -Engine
| 11***92 | Fastener Group-Oil Cooler; -Engine | 1 |
| 6V***17 | Bolt; (M8x1.25x30-mm)(Location Z) | 1 |
| 9M***74 | Washer-Hard; (8.8x16x2-mm Thk)(Hard) | 1 |
163-1628 Fastener Gp-Oil Cooler -Engine
| 16***28 | Fastener Group-Oil Cooler; -Engine | 1 |
| 17***99 | Stud; (3/8-16-Thd) | 1 |
| 5M***94 | Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler | 1 |
109-2373 Fastener Gp-Water Pump
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 1 |
| 10***73 | Fastener Group-Water Pump; (Water Pump Cover) | 1 |
116-5456 Housing & Regulator Gp -Engine Coolant Temperature
| 11***56 | Housing & Regulator Group; -Engine Coolant Temperature | 1 |
| 11***00 | Housing As-Regulator | 1 |
| 12***11 | Stud; (M8x1.25-Thd)(M8x1.25 Thd Both Ends) | 4 |
116-5460 Lines Gp-Water -Bypass
| 10***08 | Flange | 1 |
| 10***95 | Tube | 1 |
| 11***60 | Lines Group-Water; -Bypass | 1 |
117-2783 Lines Gp-Water -Single Thermostat
| 11***56 | Housing & Regulator Group; -Engine Coolant Temperature | 1 |
| 11***83 | Lines Group-Water; -Single Thermostat | 1 |
| 11***97 | Gasket | 4 |
195-7999 Lines Gp-Water
| 0L***52 | Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex) | 5 |
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 3 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 6 |
116-5446 Lines Gp-Water -Water Pump Inlet Elbow
| 10***35 | Gasket | 1 |
| 11***46 | Lines Group-Water; -Water Pump Inlet Elbow | 1 |
| 11***57 | Elbow-Water Pump | 1 |
117-2789 Plug Gp-Water Lines
| 11***89 | Plug Group-Water Lines; -Engine Oil Cooler | 1 |
| 6V***27 | Seal-O-Ring (Id=8.92mm) | 1 |
| 8T***67 | Plug-Pipe; (Oil Cooler Bonnet Drain) | 1 |
174-5986 Pump Gp-Water
| 10***77 | Seal-O-Ring; (100.97mm Id) | 1 |
| 12***72 | Seal-O-Ring (215.49mm Id) | 1 |
| 16***19 | Pump Group-Water | 1 |
117-2674 Pump Gp-Water
| 11***74 | Pump Group-Water | 1 |
| 17***00 | Pump Group-Water | 1 |
| 6V***21 | Bolt; (M8x1.25x80-mm) | 2 |
161-5719 Pump Gp-Water
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 1 |
| 10***30 | Bearing As-Roller | 1 |
| 12***17 | Seal Group; (Water Pump) | 1 |
176-7000 Pump Gp-Water
| 10***10 | Gasket | 1 |
| 14***88 | Seal As; (Water Pump) | 1 |
| 17***95 | Cover-Pump | 1 |
Electrical And Starting System
124-2674 Connection Gp-Electrical
| 12***74 | Connection Group-Electrical; -Ground | 1 |
| 5C***61 | Nut (M8x1.25 Thd); (M8x1.25 Thd) | 1 |
| 6V***64 | Washer-Hard; (8.8x25.5x5-mm Thk) | 1 |
126-7631 Connection Gp-Electrical
| 12***31 | Connection Group-Electrical; (Cylinder Block Ground) | 1 |
| 12***49 | Stud; (3/8-16, 5/8-18x3.1-In) | 1 |
| 5P***47 | Washer (Bracket To Valve Support) | 1 |
159-9107 Connection Gp-Electrical -Cylinder Head Ground
| 15***07 | Connection Group-Electrical; -Cylinder Head Ground | 1 |
| 17***99 | Stud; (3/8-16-Thd) | 1 |
| 6V***01 | Nut; (3/8-16-Thd)(Plate To Rh And Lh Bracket As) | 1 |
168-4490 Control & Mtg Gp-Engine Elek
| 16***90 | Control & Mtg Group-Engine Elek | 1 |
| 16***94 | Spacer; (8.5x12.7x54.1-mm) | 2 |
| 21***49 | Control Group-Engine Electronic | 1 |
191-5208 Control & Mtg Gp-Engine Elek
| 12***11 | Spacer; (3x15x17-mm Thk) | 1 |
| 15***96 | Support As | 1 |
| 15***98 | Support As | 1 |
210-0849 Control Gp-Engine Electronic
| 21***49 | Control Group-Engine Electronic | 1 |
| 24***04 | Control Group-Engine Electronic | 1 |
210-0848 Control Gp-Engine Electronic
| 18***72 | Screw-Pan Head; (No 8-32x9.52-mm)(Wax Coated) | 1 |
| 21***48 | Control Group-Engine Electronic | 1 |
| 7X***15 | Strap; (Grounding) | 1 |
322-3603 Control Gp-Engine Electronic
| 18***72 | Screw-Pan Head; (No 8-32x9.52-mm)(Wax Coated) | 1 |
| 32***03 | Control Group-Engine Electronic | 1 |
| 7X***15 | Strap; (Grounding) | 1 |
178-3091 Control Gp-Engine Electronic
| 17***91 | Control Group-Engine Electronic | 1 |
| 21***48 | Control Group-Engine Electronic | 1 |
240-5304 Control Gp-Engine Electronic
| 18***72 | Screw-Pan Head; (No 8-32x9.52-mm)(Wax Coated) | 1 |
| 24***04 | Control Group-Engine Electronic | 1 |
| 7X***15 | Strap; (Grounding) | 1 |
192-1623 Mounting Gp-Sensor
| 16***93 | Adapter | 1 |
| 19***23 | Mounting Group-Sensor | 1 |
| 1T***20 | Bolt-12 Point Head; (3/8-16x1.25-In) | 1 |
192-0883 Sensor Gp-Engine
| 00***17 | Elbow | 1 |
| 03***78 | Connector-Filtered Fuel To Adapter | 1 |
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 1 |
235-4557 Sensor Gp-Engine
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 1 |
| 11***82 | Seal-O-Ring; (16.36mm Id) | 1 |
| 13***11 | Sensor Group-Temperature; (Transmission Lubrication Oil) | 3 |
194-6722 Sensor Gp-Pressure
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 18***40 | Socket-Connector; (14-Ga To 18-Ga)(14-Ga To 18-Ga) | 3 |
| 19***22 | Sensor Group-Pressure; -Atmospheric Air | 1 |
194-6724 Sensor Gp-Pressure
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 19***26 | Harness As-Sensor; (16-18 Ga Wire)(Engine Oil Temperature) | 3 |
| 19***24 | Sensor Group-Pressure; -Air Inlet Manifold | 1 |
194-6725 Sensor Gp-Pressure
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 18***40 | Socket-Connector; (14-Ga To 18-Ga)(14-Ga To 18-Ga) | 3 |
| 19***25 | Sensor Group-Pressure; -Engine Oil | 1 |
197-8395 Sensor Gp-Pressure
| 19***24 | Sensor Group-Pressure; -Air Inlet Manifold | 1 |
| 19***95 | Sensor Group-Pressure; -Air Inlet Manifold | 1 |
| 6V***48 | Seal--O-Ring--To Governor Drive Housing | 1 |
197-8394 Sensor Gp-Pressure
| 16***05 | Sensor As-Pressure; (Unfiltered Engine Oil) | 1 |
| 19***94 | Sensor Group-Pressure; -Engine Oil | 1 |
| 6V***48 | Seal--O-Ring--To Governor Drive Housing | 1 |
197-8393 Sensor Gp-Pressure
| 16***03 | Sensor Group-Pressure; (Turbocharger Inlet, Rh) | 1 |
| 19***93 | Sensor Group-Pressure; -Atmospheric | 1 |
| 21***68 | Seal-O-Ring; (11.89-mm Id) | 1 |
197-8396 Sensor Gp-Speed
| 18***11 | Sensor Group-Speed; (Crankshaft Timing) | 1 |
| 19***96 | Sensor Group-Speed; -Timing, Crankshaft | 1 |
| 20***40 | Seal-O-Ring; (13.94mm Id) | 1 |
197-8397 Sensor Gp-Speed
| 18***01 | Sensor Group-Speed; (Camshaft Timing) | 1 |
| 19***97 | Sensor Group-Speed; -Timing, Camshaft | 1 |
| 20***40 | Seal-O-Ring; (13.94mm Id) | 1 |
197-8392 Sensor Gp-Temperature
| 13***11 | Sensor Group-Temperature; (Transmission Lubrication Oil) | 1 |
| 13***45 | Pad; (Connector) | 0 |
| 19***92 | Sensor Group-Temperature; -Coolant, Water | 1 |
197-8391 Sensor Gp-Temperature
| 13***11 | Sensor Group-Temperature; (Transmission Lubrication Oil) | 1 |
| 13***45 | Pad; (Connector) | 1 |
| 19***91 | Sensor Group-Temperature; -Air Inlet Manifold | 1 |
191-6130 Wiring Gp-Electronic Control
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 2 |
| 0S***76 | Bolt 5.08 cm(2 In.) Long | 2 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
171-1103 Wiring Gp-Engine
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 13***89 | Clip; (Ladder) | 1 |
226-2312 Wiring Gp-Engine
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 2 |
| 0S***76 | Bolt 5.08 cm(2 In.) Long | 2 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
117-2760 Wiring Gp-Unit Injector
| 11***60 | Wiring Group-Unit Injector | 1 |
| 2V***16 | Clip; (9.52mm Id) | 4 |
| 4P***37 | Harness Assembly-Wiring; (Unit Injector) | 1 |
Engine Arrangement
172-6955 Engine Ar-Complete
| 10***36 | Cover Group-Cylinder Block; -Remote | 1 |
| 10***37 | Cover Group-Cylinder Block; -Remote | 1 |
| 10***12 | Fitting Group-Quick Disconnect; -Fuel | 1 |
235-4672 Engine Ar-Complete
| 10***36 | Cover Group-Cylinder Block; -Remote | 1 |
| 10***37 | Cover Group-Cylinder Block; -Remote | 1 |
| 10***12 | Fitting Group-Quick Disconnect; -Fuel | 1 |
172-6957 Engine Ar-Complete
| 10***36 | Cover Group-Cylinder Block; -Remote | 1 |
| 10***37 | Cover Group-Cylinder Block; -Remote | 1 |
| 10***12 | Fitting Group-Quick Disconnect; -Fuel | 1 |
172-6945 Engine Ar-Complete
| 10***96 | Flywheel Group | 1 |
| 11***85 | Cover Group-Cylinder Block | 1 |
| 11***90 | Cooler Group-Engine Oil; (Engine Oil) | 1 |
235-4673 Engine Ar-Complete
| 10***36 | Cover Group-Cylinder Block; -Remote | 1 |
| 10***37 | Cover Group-Cylinder Block; -Remote | 1 |
| 10***12 | Fitting Group-Quick Disconnect; -Fuel | 1 |
172-6946 Engine Ar-Complete
| 10***96 | Flywheel Group | 1 |
| 11***85 | Cover Group-Cylinder Block | 1 |
| 11***90 | Cooler Group-Engine Oil; (Engine Oil) | 1 |
185-6147 Engine Ar-Core
| 11***83 | Cylinder Block Group | 1 |
| 11***85 | Cylinder Head Group | 1 |
| 11***05 | Manifold Group-Inlet | 1 |
235-3451 Engine Ar-Core
| 12***48 | Base Group-Valve Cover & Inj Harn | 1 |
| 12***10 | Injector Group-Fuel | 6 |
| 13***71 | Piston & Rod Group | 6 |
185-6148 Engine Ar-Core
| 11***83 | Cylinder Block Group | 1 |
| 11***85 | Cylinder Head Group | 1 |
| 11***05 | Manifold Group-Inlet | 1 |
185-6150 Engine Ar-Core
| 12***48 | Base Group-Valve Cover & Inj Harn | 1 |
| 12***10 | Injector Group-Fuel | 6 |
| 13***71 | Piston & Rod Group | 6 |
235-3450 Engine Ar-Core
| 12***48 | Base Group-Valve Cover & Inj Harn | 1 |
| 12***10 | Injector Group-Fuel | 6 |
| 14***82 | Mechanism Group-Fuel Pump & Valve | 1 |
185-6149 Engine Ar-Core
| 12***48 | Base Group-Valve Cover & Inj Harn | 1 |
| 12***10 | Injector Group-Fuel | 6 |
| 14***82 | Mechanism Group-Fuel Pump & Valve | 1 |
Fuel System
116-5436 Filter Gp-Fuel
| 11***36 | Filter Group-Fuel; -Secondary | 1 |
| 1R***62 | Filter As-Fuel; (Advanced Efficiency)(Secondary) | 1 |
213-5208 Fitting Gp-Fuel Lines
| 03***42 | Seal-O-Ring; (11.89mm Id) | 1 |
| 21***08 | Fitting Group-Fuel Lines | 1 |
| 2R***06 | Connector Valve Assembly To; Connector- Tube Assembly To Logic Valve | 1 |
116-5434 Fitting Gp-Fuel Lines
| 11***34 | Fitting Group-Fuel Lines | 1 |
| 11***35 | Connector | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
213-5207 Fitting Gp-Fuel Lines
| 21***07 | Fitting Group-Fuel Lines | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 1 |
| 6V***98 | Seal-O-Ring -Line From Gear Pump Output | 1 |
108-2312 Fitting Gp-Quick Disconnect
| 03***42 | Seal-O-Ring; (11.89mm Id) | 1 |
| 10***12 | Fitting Group-Quick Disconnect; -Fuel | 1 |
| 6V***52 | Cap-Dust; (Fuel Supply Tee Connection) | 1 |
128-8510 Injector Gp-Fuel
| 10***72 | Spacer; (9.8x15.85x37.6-mm Thk) | 1 |
| 12***10 | Injector Group-Fuel | 1 |
| 21***25 | Injector Group-Fuel | 1 |
203-7685 Injector Gp-Fuel
| 11***84 | Seal-O-Ring; (32.99mm Id) | 1 |
| 20***85 | Injector Group-Fuel | 1 |
| 21***98 | Seal-O-Ring; (34.56mm Id) | 1 |
170-5252 Injector Gp-Fuel
| 11***84 | Seal-O-Ring; (32.99mm Id) | 1 |
| 17***52 | Injector Group-Fuel | 1 |
| 9X***17 | Seal-O-Ring; (9.6mm Id) | 1 |
216-7887 Lines Gp-Fuel
| 03***47 | Elbow-Filtered Fuel From Based Assembly | 2 |
| 11***02 | Hose As | 1 |
| 11***16 | Hose Assem. | 1 |
193-1561 Lines Gp-Fuel
| 03***47 | Elbow-Filtered Fuel From Based Assembly | 2 |
| 03***28 | Seal-O-Ring | 1 |
| 03***42 | Seal-O-Ring; (11.89mm Id) | 12 |
189-0351 Pump Gp-Fuel Injection
| 15***01 | Bolt; (8x1.25x7-mm)(M8x1.25x70mm) | 1 |
| 18***51 | Pump Group-Fuel Injection | 1 |
| 20***85 | Injector Group-Fuel | 1 |
116-5411 Pump Gp-Fuel Priming -Hand
| 11***11 | Pump Group-Fuel Priming; -Hand | 1 |
| 13***41 | Pump Group-Fuel Priming; (Hand) | 1 |
| 1P***36 | Gasket; (Fuel Priming Pump)(Fuel Priming Pump) | 1 |
139-9095 Pump Gp-Fuel Transfer
| 0S***73 | Stud | 2 |
| 10***72 | Cover; (Hydraulic Pump Drive) | 1 |
| 10***69 | Seal-O-Ring; (Fuel Transfer Pump) | 2 |
145-1695 Pump Gp-Fuel Transfer
| 09***70 | Washer-Sealing | 2 |
| 10***69 | Seal-O-Ring; (Fuel Transfer Pump) | 1 |
| 14***95 | Pump Group-Fuel Transfer | 1 |
139-9094 Pump Gp-Fuel Transfer
| 10***69 | Seal-O-Ring; (Fuel Transfer Pump) | 2 |
| 13***03 | Cover-Pump | 1 |
| 13***94 | Pump Group-Fuel Transfer; -Remote | 1 |
233-6742 Valve Gp-Check -Fuel
| 23***42 | Valve Group-Check; -Fuel Filter | 1 |
| 23***96 | Valve Group-Check; -Fuel Filter | 1 |
| 6V***89 | Seal-O-Ring (Id=19.18mm) | 1 |
281-2725 Valve Gp-Check -Fuel
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 28***25 | Valve Group-Check; -Fuel | 1 |
| 6V***23 | Ring; (Backup) (13.16mm Id) | 1 |
238-0296 Valve Gp-Check -Fuel
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 23***96 | Valve Group-Check; -Fuel Filter | 1 |
| 6V***23 | Ring; (Backup) (13.16mm Id) | 1 |
156-5783 Valve Gp-Check -Fuel
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 15***83 | Valve Group-Check; -Fuel | 1 |
| 6V***23 | Ring; (Backup) (13.16mm Id) | 1 |
Lubrication System
209-6302 Base Gp-Oil Filter -Engine
| 06***40 | Seal-O-Ring (Id=37.69mm) | 2 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 4 |
| 15***27 | Base Group-Oil Filter; -Engine | 1 |
154-4327 Base Gp-Oil Filter -Engine
| 15***27 | Base Group-Oil Filter; -Engine | 1 |
| 17***63 | Base Group-Oil Filter; -Engine | 1 |
| 1P***67 | Plunger; (Engine Oil Cooler Relief Valve) | 2 |
166-1329 Base Gp-Oil Filter -Engine
| 11***45 | Valve-Pump Bypass; (Engine Oil Filter) | 1 |
| 16***28 | Base Assem. | 1 |
| 16***29 | Base Group-Oil Filter; -Engine | 1 |
176-1363 Base Gp-Oil Filter -Engine
| 17***63 | Base Group-Oil Filter; -Engine | 1 |
| 2P***04 | Stud-Hollow; (1.5-16x1.339-In) | 1 |
| 9L***57 | Plug-Cup | 2 |
155-5005 Base Gp-Oil Filter
| 06***40 | Seal-O-Ring (Id=37.69mm) | 2 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 4 |
| 15***80 | Elbow | 1 |
117-2786 Cover Gp-Oil Filter Base -Engine
| 11***86 | Cover Group-Oil Filter Base; -Engine | 1 |
| 5S***34 | Seal-O-Ring; (97.79mm Id) | 1 |
| 7C***42 | Cover; (Filter Base) | 1 |
4n-2481 Fastener Gp-Oil Pump Mounting -Engine
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 2 |
| 0S***90 | Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As) | 1 |
| 4N***81 | Fastener Group-Oil Pump Mounting; Oil Pump Mounting Fastener Group | 1 |
192-8992 Filler Gp-Engine Oil
| 10***69 | Seal-O-Ring; (Fuel Transfer Pump) | 1 |
| 19***92 | Filler Group-Engine Oil | 1 |
| 19***53 | Bracket | 1 |
226-2313 Filler Gp-Engine Oil -Left Front
| 06***55 | Seal-O-Ring (Id=47.22mm) | 1 |
| 19***32 | Cap As; (Engine Oil Filler) | 1 |
| 22***58 | Tube-Oil Filler | 1 |
192-8993 Filler Gp-Engine Oil
| 06***55 | Seal-O-Ring (Id=47.22mm) | 1 |
| 19***93 | Filler Group-Engine Oil | 1 |
| 19***32 | Cap As; (Engine Oil Filler) | 1 |
110-8876 Filler Gp-Engine Oil
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 2 |
| 10***99 | Tube As-Oil Filler; (Engine) | 1 |
| 11***76 | Filler Group-Engine Oil | 1 |
209-5777 Filter Gp-Engine Oil
| 0S***08 | Bolt-Support To Starting Engine Timing Gear Housing | 2 |
| 0S***19 | Bolt,Machine Gear Retaining Part Of Kit P/N 1w***46 | 2 |
| 1A***29 | Bolt (1-1/8") Tube Assembly To Transfer Drive Case | 6 |
117-2751 Filter Gp-Engine Oil
| 11***51 | Filter Group-Engine Oil | 1 |
| 13***45 | Bolt-Hex Head; (M10x1.50x30) | 6 |
| 16***29 | Base Group-Oil Filter; -Engine | 1 |
154-4325 Filter Gp-Engine Oil
| 0S***08 | Bolt-Support To Starting Engine Timing Gear Housing | 2 |
| 0S***19 | Bolt,Machine Gear Retaining Part Of Kit P/N 1w***46 | 2 |
| 12***72 | Stud-Mounting; (3/8-16x1.564-In)(3/8-16 Thd) | 2 |
123-0783 Valve Gp-Fluid Sampling
| 12***83 | Fitting Group-Fuel Lines; -Fuel | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 6V***52 | Cap-Dust; (Fuel Supply Tee Connection) | 1 |
212-8218 Fumes Disposal Gp
| 19***32 | Hose As-Fumes; (Disposal) | 1 |
| 19***49 | Bracket | 1 |
| 21***18 | Fumes Disposal Group | 1 |
143-2656 Gauge Gp-Oil Level (Dipstick)
| 12***19 | Gauge As-Oil Level (Dipstick) | 1 |
| 14***54 | Tube As-Gauge Guide | 1 |
| 14***56 | Gauge Group-Oil Level (Dipstick); -Engine | 1 |
217-4518 Guide Gp-Oil Level Gauge
| 0L***51 | Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold | 1 |
| 11***68 | Seal-O-Ring; (15.54mm Id) | 1 |
| 16***70 | Plug | 3 |
138-4773 Lines Gp-Turbocharger Oil
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 2 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 2 |
| 10***44 | Elbow | 1 |
165-0592 Lines Gp-Turbocharger Oil
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 11***87 | Seal-O-Ring (23.16 mm Id) | 1 |
| 11***42 | Adapter | 1 |
235-2421 Lines Gp-Turbocharger Oil
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 2 |
| 10***44 | Elbow | 1 |
| 11***87 | Seal-O-Ring (23.16 mm Id) | 1 |
209-7314 Lines Gp-Turbocharger Oil
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 2 |
| 10***44 | Elbow | 1 |
| 11***87 | Seal-O-Ring (23.16 mm Id) | 1 |
211-2820 Lines Gp-Turbocharger Oil
| 10***69 | Tube As; (Oil) | 1 |
| 11***87 | Seal-O-Ring (23.16 mm Id) | 1 |
| 11***42 | Adapter | 1 |
233-5220 Pump Gp-Engine Oil
| 23***20 | Pump Group-Engine Oil | 1 |
| 6D***46 | Seal-O-Ring (Id=101.27mm) | 1 |
| 6V***17 | Bolt; (M8x1.25x30-mm)(Location Z) | 4 |
117-2746 Pump Gp-Engine Oil
| 06***61 | Seal-O-Ring (Id=40.87mm) | 1 |
| 11***03 | Tube Assem. | 1 |
| 11***46 | Pump Group-Engine Oil | 1 |
161-4113 Pump Gp-Engine Oil
| 12***56 | Cover As-Pump | 1 |
| 16***13 | Pump Group-Engine Oil | 1 |
| 1M***44 | Bolt; (3/8-16x2-1/4 In) | 2 |
138-2535 Valve Gp-Fluid Sampling -Engine Oil
| 13***35 | Valve Group-Fluid Sampling; -Engine Oil | 1 |
| 3J***54 | Packing,Preformed Part Of Kit P/N 5r***27 | 1 |
| 5P***17 | Adapter- To Logic Valve 1u***59 | 1 |
MTC835 serial number reference
The PIN plate on an MT800-series Challenger/Cat track tractor is mounted on the left side of the main frame rail, usually visible from ground level near the front of the chassis ahead of the cab step. Read the first three characters as the plant/series prefix, which identifies the specific model and build series, and the remaining digits as the unit sequence number. On 17-character PINs, the same 3-letter prefix plus 5-digit sequence forms the trailing 8 characters.
| Prefix | Identifies | Notes |
|---|---|---|
| BAM | MTC835 rubber-belt track tractor, Cat C-12 (11.9L inline-6) power, MT800-series generation | Sequence starts near 20000 for the 2002 build, 30000 for 2003, and 40000 for 2004, the final production year for this generation. Gross engine rating is 340 hp (254 kW) at 2100 rpm. AGCO assembled and marketed this generation as the MT835 following the 2002 sale of the Challenger ag-tractor line by Caterpillar, but Caterpillar supplied the C-12 engine and transmission design, and Cat parts catalogs list the same physical tractor under the MTC835 designation alongside AGCO's MT835 branding. Treat MT835 and MTC835 as two catalog names on one PIN-prefix family. Confirm the MTC-specific catalog linkage with your dealer, since it is drawn from parts-fitment cross-listings rather than a standalone MTC prefix table. |
Frequently asked questions
What engine powers the Caterpillar MTC835?
A Cat C-12, an 11.9-liter turbocharged inline-six diesel rated at approximately 340 gross hp (253.5 kW) at 2100 rpm, paired with a 16-forward/4-reverse Cat powershift transmission.
What is the operating weight of the MTC835?
Approximately 18,144 kg (40,000 lb). Exact weight varies with belt/track width, ballast, and attached implements, so treat this as a class figure rather than a fixed number.
What replaced the Caterpillar MTC835?
AGCO continued the Series 35 track tractor as the MT835B (built roughly 2005-2008) and later the MT835C, both re-engined with the Cat C15 ACERT as production fully shifted to AGCO's own Challenger line.
What MTC835 owners discuss
How does the Cat C-12 engine and powershift transmission hold up in real-world use?
Owners describe the C-12 as a strong lugging engine that pulls consistently under load, and the 16-speed forward / 4-speed reverse powershift is generally regarded as reliable. Staying on the recommended valve-lash and injector service interval is what keeps the engine trouble-free; skipping it is the most common complaint. On higher-hour machines an internal valve can develop a slow leak that lets the transmission case pick up steering oil while the separate steering reservoir runs low over roughly 2000 hours. Check both fluid levels, not just one, at every service. If the steering reservoir keeps running low, have your dealer verify the valve before it affects steering response.
Are there known hydraulic flow limitations on this generation of Challenger track tractor?
This early Cat/AGCO-built generation ran a smaller hydraulic reservoir and, depending on how it was ordered, either a base pump or an optional higher-flow pump around 35 gpm, well under the roughly 42 gpm flow that later E-series machines got. Lower flow and a smaller reservoir mean hydraulic oil runs hotter under sustained high-demand implement work. Owners running large tillage tools or aftermarket carts watch hydraulic temperature and cooler condition rather than assuming stock cooling is enough. Confirm which pump option is fitted before matching it to heavy hydraulic implements.
What wear pattern is typical on the rubber-belt Mobil-trac undercarriage?
Track and undercarriage cost is consistently named as the biggest ongoing expense on this machine, but owners like that the wear is visible rather than hidden inside a chain-and-sprocket system. Midrollers and idlers naturally round or dome with use, ending up with more rubber in the middle and less at the edges; that is normal progression. Flat spots or bare patches down to the carcass on a midroller are not normal and call for replacement before they damage the belt. Track tension needs periodic rechecking: too tight accelerates wear on rollers and sprockets, too loose lets the belt derail or the drive lugs jump. Rebuilt or retreaded belts and reconditioned bogie wheels are a common way owners cut replacement cost once original components wear out.
What electrical or sensor issues come up most often?
The engine and transmission electronics on this era of machine are functional but limited next to later models. The ECM logs fault codes with less diagnostic granularity, so intermittent problems can be harder to pin down without dealer-level diagnostic software. Ground-speed and coolant-temperature sensor faults are the most frequently mentioned nuisance items, along with general wiring and dash gremlins that tend to show up more as the machine ages, separate from actual engine hours. Most of these are not drivetrain-threatening by themselves, but a code that will not clear after a sensor swap is worth having a dealer trace on the harness.
Does the ride and handling differ much from a wheeled tractor this size?
Owners consistently describe the rubber-track ride as smooth in the field, without the rut or wheel-track feel of a tired wheeled chassis, plus better flotation and pulling ability with less soil compaction. On the road the ride is rougher over washboard surfaces than a wheeled tractor, and cab noise is more noticeable since the operator sits close to the engine and hydraulic pump. Tracks also berm more and do not turn as tight in end rows as wheels do, which matters for implements needing frequent tight turns.
What causes the most costly undercarriage failures if neglected?
Letting soil and debris pack around rollers and idlers instead of cleaning them daily accelerates wear on the whole track system. Running belt tension outside spec, too tight or too loose, is the other repeat theme: over-tight tension accelerates roller and sprocket wear, while a loose belt can derail or let the drive lugs jump under load. Because a full belt and roller set replacement is the single largest expense this machine sees over its life, catching midroller flat spots or tension drift early is worth prioritizing over other deferred maintenance. Have your dealer verify track tension and roller condition if you notice any belt tracking or vibration change during operation.
What should I check before buying a used MTC835?
Pull an oil sample for lab analysis on the engine before committing; it is the cheapest way to catch a C-12 heading for trouble. Walk both sides of the undercarriage and compare wear evenly side to side, checking rollers, idlers, sprockets, and the belt itself for flat spots, cracking, or exposed cable, and confirm remaining tread depth on the belt lugs, since worn lugs make it hard to hold tension. Check the transmission fluid level against the separate steering reservoir level; a low steering reservoir paired with an overfull transmission is a known symptom on higher-hour machines. Inspect the fuel tank where it is welded to the frame base for cracking. Cycle every hydraulic remote and implement function to feel for a soft, low-flow circuit consistent with the lower-gpm pump option. Have your dealer verify engine compression or blow-by, ECM fault history, and any structural welds or frame cracking found during inspection 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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