Caterpillarchallenger

Caterpillar MTC865

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar MTC865 is the Cat parts-catalog code for the Challenger MT865, a four-wheel-drive Mobil-trac rubber-belt track tractor built for large-acre row-crop and tillage work, not construction. It spans three generations: the original 2002-2004 machine ran a Cat C16 (15.8L) rated near 500 hp under Tier 2 rules; the 2006-2008 "B" series moved to a Cat C18 (18.1L) at roughly 510 hp under Tier 3; the 2008-2013/2016 "C" series carried a Cat C18 ACERT, also 18.1L, at roughly 525 hp, still Tier 3. Operating weight runs about 41,000 to 44,220 lb (18,600-20,060 kg) depending on series and configuration. Standard and high-flow hydraulic pump options (43.5 gpm or 59 gpm), four to six rear remote valves, independent PTO, and a Category III/IV drawbar/hitch were all offered across the range, along with different Mobil-trac belt widths.

AGCO bought the Challenger brand from Caterpillar in 2002, so the MT865 carries on a tractor lineage Caterpillar originally engineered, while Caterpillar kept building and engineering the engine that powers it - which is why the machine still shows up under a Cat parts code today. Across the B and C series the core C18 engine platform carried forward with power and emissions-tier updates, plus revised hydraulic couplers, cab layout, and electronics on the C series. No model picked up the MTC865 number directly; AGCO continued the Mobil-trac tractor line under its own MT800/900-series naming. In the used and parts market the MTC865 matters because it split support between two channels - engine parts through Cat dealers, chassis and driveline parts through AGCO/Challenger - and because wear items like the Mobil-trac belts and reaction-arm bearings keep steady demand alive on a machine no longer in production but still working full seasons on large farms.

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 MTC865 specifications

Engine

Engine (early series, 2002-2004)Caterpillar C16 turbocharged diesel, 964 cu in (15.8 L), 6-cylinder inline, compression ratio 15.5:1, Tier 2 emissions
Gross power (early series)500 hp (372.9 kW) at 2100 rpm
Engine ("B" series, 2006-2008)Caterpillar C18 turbocharged / air-to-air aftercooled diesel, 1,106 cu in (18.1 L), 6-cylinder / 24-valve, compression ratio 16.5:1, Tier 3 emissions
Rated power ("B" series)510 hp (380.3 kW) at 2100 rpm; peak torque 1,835 lb-ft (2,488 Nm) at 1,251 rpm
Engine ("C" series, 2008-2013/2016)Caterpillar C18 ACERT turbocharged / air-to-air aftercooled diesel, 1,106 cu in (18.1 L), 6-cylinder / 24-valve, Tier 3 emissions, MEUI fuel system with ADEM 4 full electronic control
Rated power ("C" series)525 hp (391 kW) at 2100 rpm; peak power 567 hp (422 kW) at 1800 rpm (8% power growth); torque rise 42% at 1,400 rpm
PTO power ("B"/"C" series, claimed)425 hp (316 kW) at rated 2100 rpm
Notes on displacementThe 18.1 L C18 is shared with sibling 865/875-class models in the same tractor family; the earlier (2002-2004) machine used the smaller 15.8 L C16 instead. Confirm engine generation against the chassis serial plate before ordering engine parts.

Weights

Shipping weight ("B" series)approx. 42,200 lb (19,141 kg)
Shipping weight ("C" series)42,200 lb (19,142 kg)
Shipping weight (early series, 2002-2004)approx. 41,000 lb (18,597 kg); some listings show a higher figure near 44,220 lb, likely reflecting a different ballast or measurement basis - treat as a range
Maximum operating weight ("C" series)50,000 lb (22,680 kg)

Dimensions

Wheelbase118 in (2,997 mm)
Overall width, wide gauge141.8 in (3,601 mm)
Overall lengthapprox. 270 in (6,863 mm); some "B" series references show a slightly shorter 265.9 in (675 cm), likely a measurement-point difference
Overall height to top of cab138.1 in (3,509 mm)
Drawbar/ground clearance14.4 in (366 mm)
Track gauge, adjustable range90 to 128 in (2,286 to 3,251 mm), infinitely adjustable bar axle, no spacers or de-tensioning needed
Belt width optionsGeneral Ag belt: 30 or 36 in (762 or 914 mm); Extreme Application belt: 18, 30, or 36 in (457, 762, or 914 mm)

Performance

TransmissionCaterpillar Powershift, 16 forward / 4 reverse, electronically controlled
Maximum travel (transport) speed24.6 mph (39.6 km/h)
Field working speed rangeapprox. 4 to 9.3 mph (6.4 to 14.9 km/h) across 8 closely-spaced working gears
SteeringCaterpillar differential steering (track-driven, non-articulated chassis)
PTO-tested power (Nebraska-type test, varies by series)approx. 534 to 544 hp (398 to 406 kW), higher than the claimed rating due to test methodology
Drawbar-tested power (varies by series)approx. 391 hp (292 kW) on "B" series, approx. 410 hp (306 kW) on "C" series
Drawbar load rating10,000 lb (4,536 kg)
3-point hitch lift capacity (Cat 3/4N or Cat 4, optional)19,500 lb (8,845 kg)
Hardbar oscillationstabilizer bar with 8-degree range of motion per side, for undercarriage articulation over uneven ground

Service capacities (summary)

Fuel tank330 US gal (1,249 L)
Hydraulic system typeClosed-center, load-sensing, pressure-flow compensated system with Load Independent Flow Division
Hydraulic pump flowstandard 43.5 US gpm (164.7 L/min); optional high-flow pump 59 US gpm (224.2 L/min); up to 36 US gpm (136.3 L/min) directed to a single remote coupler
Maximum hydraulic system pressure2,900 psi (200 bar)
Engine oil capacitynot published in the factory literature reviewed for this exact configuration - confirm with your dealer or the engine service manual
Cooling system capacitynot published in the factory literature reviewed for this exact configuration - confirm with your dealer or the engine service manual
Fluid specifications (by type)Cat DEO-class diesel engine oil, Cat TDTO-class powershift transmission/hydraulic oil, Cat ELC-type extended life coolant are typical for this engine family - verify against the specific serial-number range before servicing

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

MTC865 fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter) - Cat C18 ACERT Tier III (18.1 L / 1,105 cu in, the engine used on this 510-525 hp track tractor; smaller series siblings use the 15.2 L Cat C15 ACERT)Not published in the factory sales/service literature reviewed for this track-tractor series - confirm exact figure against the OMM for the specific serial range. Cat C18-family industrial crankcases generally run in the 40-53 L (10.5-14 US gal) range depending on oil pan/sump configuration, offered as a rough reference onlyCat DEO (Diesel Engine Oil); select viscosity grade from Cat's standard multigrade chart by ambient temperature - typically SAE 15W-40 for moderate climates, with lighter grades (0W-40/10W-30) recommended for cold-weather starting
Cooling systemNot published in the factory literature reviewed for this seriesCat ELC (Extended Life Coolant) - listed as factory-fill in the standard equipment list for this tractor family
Fuel tank330 US gal (approx. 1,249-1,254 L, figure varies slightly by brochure year) - the standard tank on this 865-size track model, made up of a 305 US gal (1,155-1,159 L) main tank plus a 25 US gal (95 L) auxiliary tank that ships standard on the larger series members. Smaller series siblings ship with the 305 US gal tank and offer the 330 US gal tank as an optionDiesel fuel per Cat's standard fuel specification; ultra-low-sulfur diesel required for the Tier III ACERT engine
Hydraulic / transmission / steering-differential / final-drive (shared reservoir)No standalone reservoir volume is published in the literature reviewed. The OMM treats this as one shared system - a single sight gauge at the rear of the tractor is used to check combined hydraulic, transmission, steering, differential and final-drive oil levels, rather than separate compartment capacities. Standard pump flow is 43.5 US gpm (164.7 L/min); optional high-flow pump is 59 US gpm (223-224 L/min); maximum system pressure is 2,900 psi (200 bar)Cat TDTO (Transmission/Drive Train Oil) or Cat TDTO-TMS across the shared hydraulic-powertrain circuit; select viscosity grade by ambient temperature per Cat's TDTO chart - lighter grades for cold-start conditions, heavier grades for sustained high-temperature field work
Mobil-trac undercarriage (track drive, idler and midwheel bearings)Sealed, maintenance-free design - no grease zerks or scheduled daily lubrication pointsNone required; belt tension is monitored electronically (TMC tension gauge) rather than serviced with grease or fluid
Grease points (drawbar, hitch and 3-point linkage pivots)Not itemized by point in the factory literature reviewedStandard Cat multipurpose chassis grease at normal service intervals

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

Caterpillar MTC865 maintenance schedule

Service intervalTasks
Every 50 h
  • Check engine oil level and top off with Cat DEO as needed
  • Check coolant level in the Cat ELC system and inspect hoses/radiator for leaks
  • Check the Mobil-trac belt tension via the nitrogen-cushion accumulator gauge - do not rely on the cab alarm alone
  • Check the combined hydraulic/transmission/steering/differential sight gauge oil level
  • Drain water and sediment from the fuel/water separator
  • Grease PTO driveline and steering linkage points, and clear debris from undercarriage rollers
Every 250 h
  • Change engine oil and replace the engine oil filter (Cat DEO)
  • Replace primary and secondary fuel filters
  • Check reaction-arm bearing oil level in both the inner and outer cavities
  • Inspect belt tensioner rollers and bogie/mid-roller wheel bearings for play or wear
  • Service or replace the engine air filter element as dust conditions require
  • Check final drive oil level
Every 500 h
  • Change reaction-arm bearing oil in the inner and outer cavities separately
  • Replace the filter(s) on the combined hydraulic/transmission/steering/differential/final-drive circuit
  • Pull an oil sample from the combined circuit for lab analysis (Cat TDTO/TDTO-TMS)
  • Inspect the Mobil-trac belt for cracking, cord exposure, and edge chunking
  • Inspect track roller frame pivot bushings and oscillation stops
  • Check engine valve lash and adjust if outside spec
Every 1,000 h
  • Change the combined hydraulic/transmission/steering/differential/final-drive oil (Cat TDTO/TDTO-TMS)
  • Replace the hydraulic system breather and suction screen
  • Inspect the turbocharger and aftercooler core for leaks and debris buildup
  • Check alternator and fan belt condition/tension, replace if cracked or glazed
  • Clean radiator, oil cooler, and charge-air cooler cores
  • Torque-check track roller frame and bogie mounting hardware
Every 2,000 h
  • Replace engine coolant (Cat ELC extended-life service)
  • Inspect reaction-arm bearing housings and reseal as needed
  • Replace worn bogie wheels and mid-rollers under the Mobil-trac frame
  • Check turbocharger shaft play and inspect fuel injectors
  • Verify ECM parameters and engine performance against baseline
  • Inspect cab mounts, ROPS structure, and steering linkage pins for wear
Every 4,000 h
  • Replace Mobil-trac rubber belts once tread depth or cord exposure reaches the wear limit
  • Rebuild final drives and reaction-arm bearing assemblies
  • Overhaul the turbocharger or replace engine top-end wear components
  • Replace track-tensioning cylinder seals and the nitrogen accumulator

Servicing the MTC865 beyond the schedule

Predictive maintenance & fluid analysis

Draw oil samples from Cat DEO engine oil and the combined TDTO/TDTO-TMS hydraulic-transmission-steering-differential-final-drive circuit at scheduled intervals; a single sight gauge serves all these systems, so lab analysis catches contamination before it spreads across the shared reservoir. Watch reaction-arm bearing inner and outer cavity oil separately - they don't share the main circuit. Track nitrogen-cushion tension trend readings rather than trusting the cab alarm alone; falling pressure over time flags accumulator seal wear before belt damage occurs.

Corrective & common repairs

Reaction-arm bearing failures are the recurring big-ticket repair on 865-family Mobil-trac tractors; inner and outer cavities fail independently, so isolate which side leaks before ordering seals. Mobil-trac belt edge wear and cord exposure from side-loading on hillsides or headland turns is next most common. Turbocharger and aftercooler issues surface on both C16 and C18/C18 ACERT engines under sustained full-load PTO or drawbar work. Track tensioning cylinder seal leaks show up as slow pressure bleed-down overnight.

Overhaul & rebuild points

Major rebuild targets are the final drives, reaction-arm bearing housings, and bogie/mid-roller wheels under the Mobil-trac frame - all high-wear points from continuous ground contact. C-series C18 ACERT engines add turbocharger and injector overhaul work absent on earlier C16 units. Because the hydraulic, steering, transmission, and differential oil share one combined circuit, a full-system flush and filter replacement is standard practice at rebuild rather than servicing each subsystem separately.

Seasonal & environment servicing

Before spring fieldwork, recheck Mobil-trac belt tension and nitrogen-accumulator pressure after winter storage - cold temperatures drop pressure readings even with no leak. Flush and inspect radiator, charge-air cooler, and oil cooler cores clogged with chaff or dust after harvest season on C16 and C18 engines alike. In freezing climates verify Cat ELC coolant concentration protects to ambient lows; in dusty or tillage conditions shorten air filter and cab filter service intervals below the standard hour interval.

MTC865 common service parts

Part numberPart
1R-0762Filter As-FuelCheck fitment →
161-1705Sensor As-PressureCheck fitment →
111-2645Valve-Pump BypassCheck fitment →
1R-0716Filter As-Engine OilCheck fitment →
9S-8752Nut-FullCheck fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

MTC865 fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
100-3Engine oil pressure sensor circuit: voltage above normalOpen circuit, damaged harness, or failed oil pressure sensorCheck sensor wiring and connector for open/corrosion, then test sensor per engine service manual and replace if faulty
100-4Engine oil pressure sensor circuit: voltage below normalShorted sensor wiring, failed sensor, or genuinely low oil pressureVerify actual oil level and pressure with a mechanical gauge before condemning the sensor; repair short or replace sensor
110-3Engine coolant temperature sensor circuit: voltage above normalOpen circuit or failed coolant temp sensorInspect sensor connector and wiring, test sensor resistance against spec, replace if out of range
110-4Engine coolant temperature sensor circuit: voltage below normalShorted wiring or failed coolant temp sensorInspect for chafed/grounded wiring near the sensor, replace sensor if it fails resistance test
168-3 / 168-4Electrical system (battery) voltage above normal / below normalCharging system fault, loose or corroded battery/ECM connections, weak batteryCheck alternator output, battery state of charge, and ground/power connections at the ECM before replacing components
174-4Fuel temperature sensor circuit: voltage below normalShorted sensor circuit or failed fuel temperature sensorCheck wiring for shorts to ground, test sensor and replace if it reads out of spec
190-8Engine speed/timing sensor: abnormal frequency, pulse width, or periodDamaged speed/timing sensor, excessive air gap, or wiring interferenceInspect sensor mounting and air gap, check wiring shielding, replace sensor if signal remains erratic
1-5 / 1-6 (cylinder injector, e.g. 651-5/651-6)Cylinder injector solenoid current below normal / above normalFaulty injector solenoid, damaged injector harness, or ECM driver faultSwap/test injector wiring continuity, check injector resistance, replace injector or repair harness as needed
152-13 / 630-2ECM calibration/configuration: calibration required or erratic/intermittent memory faultECM software flash interrupted, corrupted parameters, or ECM memory fault after a power interruptionReflash/recalibrate the ECM with Cat ET and verify parameters; replace ECM if the fault persists after reflash

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

MTC865 attachments & work tools

Three-point hitch implements

Rear hitch is Category 3/4N, offered as a standard fixed configuration or an optional steerable hitch that tracks the tractor through headland turns under high draft loads. Reported rear lift capacity runs 16,000-19,500 lb (7,257-8,845 kg) depending on series and configuration.

Drawbar / towed implements

Multiple drawbar choices serve pull-type tillage, planting, and grain-cart implements: a fixed drawbar rated near 11,000 lb vertical load, an optional wide-swing roller drawbar of similar rating, and an optional hydraulically controlled wide-swing drawbar rated up to about 15,000 lb. Swing-type drawbars give roughly 28-32 degrees of horizontal swing each side so the implement follows the tractor through turns.

PTO-driven implements

Rear independent PTO runs at 1000 rpm with a 1-3/4 in (44 mm) spline. Rated PTO output is reported in the 416-425 hp range depending on engine/series; PTO is fitted as standard on some series and offered as an option on others, so confirm availability for the specific serial/build.

Hydraulic remote (SCV) implements

A closed-center, load-sensing hydraulic system powers remote-valve implements such as folding tillage tools, air seeders, and planters. Standard pump flow is reported from roughly 43.5 up to 58 gpm depending on series, with a high-flow pump option reported as high as 85 gpm (and a dual-pump arrangement cited up to about 116 gpm on some configurations). Four rear remote valves are standard, expandable to six.

Rubber-belt (Mobil-trac) undercarriage configuration

The tractor runs Caterpillar-designed Mobil-trac rubber belts rather than wheels. Belt width options for this power/size class are commonly cited at 18 in, 30 in, and 36 in (about 457, 762, and 914 mm), with steel-cable-reinforced belt constructions matched to row-crop versus heavy tillage use. Belt/tread choice is a factory or dealer-fit configuration decision, not a bolt-on attachment.

Ballast and weighting

Front and chassis ballast weight kits are offered to balance the machine and improve headland handling and drawbar pull, particularly when running heavy rear 3-point or towed implements. Exact weight increments are not documented for this specific model/series - confirm with a dealer.

Undercarriage guarding

General roller/undercarriage guarding is offered across Cat track-machine lines, but a guard package specific to this tractor is not documented in available sources. Verify guarding options for the exact serial range with a dealer before ordering.

All MTC865 assemblies by section

Every catalogued assembly group for the Caterpillar MTC865. 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***25Gasket; (Air Inlet Manifold)(Intake Manifold Inlet)1
10***03Elbow; (Air Inlet)1
20***32Elbow Group-Air Inlet1
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205-1231 Elbow Gp-Air Inlet
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
10***25Gasket; (Air Inlet Manifold)(Intake Manifold Inlet)1
10***03Elbow; (Air Inlet)1
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114-1904 Lines Gp-Air
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
11***04Lines Group-Air1
5H***04Packing,Preformed Elbow Part Of Kit P/N 5r***262
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126-0076 Lines Gp-Air -Turbocharger Outlet
12***73Elbow1
12***76Lines Group-Air; -Turbocharger Outlet1
12***29Clamp; (V-Band)1
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135-6552 Manifold Gp-Exhaust
10***54Manifold-Exhaust; (Center)1
10***08Manifold-Exhaust; (End)(End)2
10***92Stud-Taperlock; (3/8-16x3.93in)11
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117-2688 Manifold Gp-Exhaust
10***13Gasket6
11***89Manifold-Exhaust; (Center)1
11***15Stud-Taperlock; (M10x85-mm Oal)12
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116-5405 Manifold Gp-Inlet
11***05Manifold Group-Inlet1
11***06Manifold; (Inlet)1
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve1
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193-3931 Turbocharger Gp
19***08Turbocharger Group1
19***31Turbocharger Group1
1S***95Gasket-Turbocharger To Manifold; Gasket Turbocharger To Manifold1
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192-3032 Turbocharger Gp
11***87Bolt; (M6x0.04x10.4-mm)(6mm X 0.04 Thd)1
13***75Clamp As; (Service Repair)1
16***58Clip-Hose1
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191-2248 Turbocharger Gp
19***48Turbocharger Group1
19***32Turbocharger Group1
1S***95Gasket-Turbocharger To Manifold; Gasket Turbocharger To Manifold1
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191-5108 Turbocharger Gp
11***87Bolt; (M6x0.04x10.4-mm)(6mm X 0.04 Thd)1
12***53Clamp As; (Turbine)1
16***58Clip-Hose1
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Basic Engine
133-9907 Adapter Gp-Pump Drive
13***06Adapter1
13***07Adapter Group-Pump Drive; -Remote1
1B***67Ball Bearing2
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122-1248 Base Gp-Valve Cover & Inj Harn
10***18Clip3
10***19Clip3
10***34Kit-Receptacle; (12-Pin)(Valve Cover & Inj Harness)1
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138-2546 Bracket Gp-Support
13***46Bracket Group-Support; -Refrigerant Compressor1
16***80Bracket1
6V***22Bolt (M10x1.50x35mm)2
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171-3062 Camshaft Gp
11***59Cover1
12***11Journal1
13***68Gasket; (Camshaft Cover)1
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185-9699 Camshaft Gp
10***89Cover1
11***36Screw-Flat Head; (5/16-18x0.875-In)3
18***99Camshaft Group; (Single)1
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212-9551 Cover Gp-Cylinder Block
06***55Seal-O-Ring (Id=47.22mm)2
21***51Cover Group-Cylinder Block1
6V***17Bolt; (M8x1.25x20-mm)(At Location Y)4
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107-6736 Cover Gp-Cylinder Block
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
10***36Cover Group-Cylinder Block; -Remote1
4N***99Gasket; (Oil Drain)1
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115-2985 Cover Gp-Cylinder Block
11***85Cover Group-Cylinder Block1
4P***87Cover1
6V***50Seal-O-Ring (Id=39.34mm)1
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107-6737 Cover Gp-Cylinder Block
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
10***37Cover Group-Cylinder Block; -Remote1
4N***99Gasket; (Oil Drain)1
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192-2042 Cover Gp-Engine
12***81Seal-Integral; (Air Compressor Mounting)1
14***14Cover1
16***87Hose-Fumes Disposal1
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209-6669 Cover Gp-Front Housing
12***81Seal-Integral; (Air Compressor Mounting)1
14***14Cover1
20***69Cover Group-Front Housing; (Air Compressor)1
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159-6159 Cover Gp-Front Housing
03***55Locknut; (5/16-18-Thd)(Marked X)2
15***59Cover Group-Front Housing1
16***71Seal1
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235-8781 Cover Gp-Front Housing
03***53Seal-O-Ring; (08.92mm Id)1
10***32Gasket1
18***09Plug As; (High Temperature)1
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150-3141 Cover Gp-Valve Mechanism
14***76Cover-Valve Mechanism1
14***78Grommet1
15***41Cover Group-Valve Mechanism1
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187-1326 Cover Gp-Valve Mechanism
14***78Grommet1
18***25Cover As-Valve1
18***26Cover Group-Valve Mechanism1
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345-9238 Cover Gp-Valve Mechanism
15***35Cover Group-Valve Mechanism2
18***26Cover Group-Valve Mechanism1
34***38Cover Group-Valve Mechanism1
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187-3316 Cover Gp-Valve Mechanism
15***41Cover Group-Valve Mechanism2
15***43Cover Group-Valve Mechanism1
18***16Cover Group-Valve Mechanism1
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159-9343 Cover Gp-Valve Mechanism
14***78Grommet1
15***43Cover Group-Valve Mechanism1
17***39Cover As-Valve; (Breather)1
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150-3135 Cover Gp-Valve Mechanism
14***78Grommet1
15***57Cover-Valve Mech1
15***35Cover Group-Valve Mechanism1
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132-3212 Crankshaft Gp
12***82Bearing-Main; (0.51-mm Us)(.51mm U.S.)0
12***83Bearing-Main; (0.76-mm Us)(.76mm U.S.)0
12***84Bearing-Main; (0.51-mm Os)(.51mm O.S.)0
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160-3912 Crankshaft Gp
16***99Crankshaft As1
16***12Crankshaft Group1
16***20Gear-Crankshaft; (80-Teeth)1
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160-3913 Crankshaft Gp
15***32Crankshaft As1
16***13Crankshaft Group1
16***20Gear-Crankshaft; (80-Teeth)1
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200-2054 Cylinder Block As
11***66Cap; (Bearing)7
17***54Bolt-Hex Head; (M16x160mm)14
20***54Cylinder Block As1
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204-3449 Cylinder Block As
10***60Seal; (Liner)6
16***63Shim-Liner; -Cylinder0
16***64Shim-Liner; -Cylinder0
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301-3016 Cylinder Block As
11***20Seal-O-Ring; (Mid-Liner)6
13***17Seal D-Ring6
13***81Liner-Cylinder Block6
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267-4631 Cylinder Block As
16***81Cap-Crankshaft Bearing7
16***83Bolt; (7/8-14x7.5-In)14
26***31Cylinder Block As1
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155-0741 Cylinder Block As
11***20Seal-O-Ring; (Mid-Liner)6
13***17Seal D-Ring6
13***81Liner-Cylinder Block6
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267-4632 Cylinder Block As
11***20Seal-O-Ring; (Mid-Liner)6
14***17Seal-O-Ring; (140.20mm Id)6
14***72Seal-Liner; (Coolant)6
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155-0056 Cylinder Block As
11***20Seal-O-Ring; (Mid-Liner)6
14***17Seal-O-Ring; (140.20mm Id)6
14***72Seal-Liner; (Coolant)6
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234-9709 Cylinder Block As
11***20Seal-O-Ring; (Mid-Liner)6
13***17Seal D-Ring6
13***81Liner-Cylinder Block6
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234-5997 Cylinder Block Gp
11***20Seal-O-Ring; (Mid-Liner)6
14***17Seal-O-Ring; (140.20mm Id)6
14***72Seal-Liner; (Coolant)6
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115-2983 Cylinder Block Gp
11***83Cylinder Block Group1
1N***99Plug-O-Ring; (Straight Thread)2
20***49Cylinder Block As1
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234-9702 Cylinder Block Gp
10***99Plug2
14***29Seal; (Drainback)1
1S***40Dowel; (30.23 mm X 9.37 mm)1
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155-0057 Cylinder Block Gp
10***99Plug2
11***27Seal-O-Ring; (19.18mm Id)1
14***29Seal; (Drainback)1
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155-0740 Cylinder Block Gp
10***99Plug2
11***27Seal-O-Ring; (19.18mm Id)1
14***29Seal; (Drainback)1
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234-5998 Cylinder Block Gp
10***99Plug2
14***29Seal; (Drainback)1
1S***40Dowel; (30.23 mm X 9.37 mm)1
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223-7263 Cylinder Head As
12***47Guide-Valve; (0.51-mm Os)(Standard)0
12***75Guide-Valve; (Standard)24
12***12Guide-Valve; (0.13-mm Os)(Standard)0
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179-9459 Cylinder Head As
11***02Sleeve; (Injector)6
13***06Insert-Valve Seat; (Inlet)(Standard)12
14***52Insert-Valve Seat; (0.508-mm Os Od)(0.508-mm Os Od)12
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281-1640 Cylinder Head As
12***47Guide-Valve; (0.51-mm Os)(Standard)0
12***75Guide-Valve; (Standard)24
12***12Guide-Valve; (0.13-mm Os)(Standard)0
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243-0943 Cylinder Head As
15***82Insert-Valve Seat; (Exhaust)(Standard)12
16***42Insert-Valve Seat; (0.76-mm Os Od, Exhaust)(Standard)0
16***43Insert-Valve Seat; (0.76-mm Os Od, Inlet)0
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243-6741 Cylinder Head As
12***47Guide-Valve; (0.51-mm Os)(Standard)0
12***75Guide-Valve; (Standard)24
12***12Guide-Valve; (0.13-mm Os)(Standard)0
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183-5296 Cylinder Head Gp
15***24Valve; (Exhaust)12
16***78Seal-Valve Stem; (Exhaust)24
17***18Cylinder Head Group1
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116-1085 Cylinder Head Gp
11***85Cylinder Head Group1
14***49Cylinder Head Group1
18***07Gasket As-Cylinder Head1
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191-8423 Cylinder Head Gp
12***54Bolt-12 Point Head; (3/4-16x8.5-In)10
12***55Bolt-12 Point Head; (3/4-16x7.638-In)16
18***96Cylinder Head Group1
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223-9250 Cylinder Head Gp
15***23Valve; (Inlet)12
15***24Valve; (Exhaust)12
16***78Seal-Valve Stem; (Exhaust)24
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148-2149 Cylinder Head Gp
10***50Guide-Valve; (Standard)24
13***29Valve; (Exhaust)12
14***49Cylinder Head Group1
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234-9185 Cylinder Head Gp
10***73Fastener Group-Cylinder Head; (Marked X)10
12***54Bolt-12 Point Head; (3/4-16x8.5-In)1
12***55Bolt-12 Point Head; (3/4-16x7.638-In)1
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176-9918 Cylinder Head Gp
12***47Guide-Valve; (0.51-mm Os)(Standard)0
12***75Guide-Valve; (Standard)24
12***12Guide-Valve; (0.13-mm Os)(Standard)0
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263-5055 Cylinder Head Gp
15***24Valve; (Exhaust)12
16***78Seal-Valve Stem; (Exhaust)24
18***01Rotocoil Assem.24
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192-8982 Damper & Pulley Gp
16***25Damper Assem.1
17***92Adapter1
19***82Damper & Pulley Group1
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193-2261 Damper & Pulley Gp
14***71Bolt; (5/8-18x9-In)6
16***26Damper Assem.1
19***61Damper & Pulley Group1
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6i-3638 Drive Gp-Pump
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)3
13***07Adapter Group-Pump Drive; -Remote1
5M***94Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler4
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116-1083 Fastener Gp-Cylinder Head
11***83Fastener Group-Cylinder Head; (Cylinder Head)1
12***84Bolt; (Hex Head) (M16x2x160mm)26
2S***58Washer-Hard; (17x29x3-mm Thk)(Engine Brake)26
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112-2644 Fastener Gp-Front Housing
11***44Fastener Group-Front Housing1
14***67Stud-Taperlock, Plug,Female2
1F***58Nut-Full; (1/2-13-Thd)(Air Lines)2
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4p-6846 Fastener Gp-Front Housing
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
4P***46Fastener Group-Front Housing; -Remote1
5M***94Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler2
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204-5024 Fastener Gp-Front Housing
1F***58Nut-Full; (1/2-13-Thd)(Air Lines)2
20***48Stud-Taperlock2
20***24Fastener Group-Front Housing1
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108-9382 Fastener Gp-Front Housing
10***82Fastener Group-Front Housing1
14***68Stud-Taperlock2
1F***58Nut-Full; (1/2-13-Thd)(Air Lines)2
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138-2539 Fastener Gp-Front Housing
13***39Fastener Group-Front Housing1
6V***49Nut-Hard; (M12 X 1.75)2
7D***49Washer (Flywheel Counter Balance Weight)2
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176-7007 Fastener Gp-Oil Pan
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case24
17***07Fastener Group-Oil Pan1
24***14Sleeve As24
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109-1657 Fastener Gp-Valve Mechanism
10***57Fastener Group-Valve Mechanism1
5J***94Screw,Cap,Socket He Manifold Mtg12
8L***13Strap-Cable(Tie 5.50" Long)6
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154-6189 Flywheel Gp
15***89Flywheel Group1
25***51Gear-Flywheel; (113-Teeth)1
25***53Flywheel As1
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102-3596 Flywheel Gp
10***96Flywheel Group1
16***24Flywheel As1
4N***14Gear; (113-Teeth)(Flywheel Starter)1
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204-9316 Gear Gp-Camshaft
10***26Dowel1
20***16Gear Group-Camshaft1
9X***72Bolt-Locking; (3/8-16x0.875-In)16
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208-9490 Gear Gp-Front
117-2750 Gear Gp-Front
11***50Gear Group-Front1
13***83Shaft1
13***86Gear As; (Idler) (71 Teeth)1
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117-2775 Housing Gp-Flywheel
06***55Seal-O-Ring (Id=47.22mm)1
11***75Housing Group-Flywheel1
14***73Housing-Flywheel, Threaded Tie-Rod, Threaded Tie-Rod; Replaces 421694a11
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205-1230 Housing Gp-Flywheel
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter2
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***461
14***68Seal-Crankshaft; (Rear)(Flywheel Housing)1
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133-7075 Housing Gp-Front
11***24Gear; (Pump Drive) (34 Teeth)1
13***75Housing Group-Front1
16***66Seal Group-Crankshaft; (Front)1
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212-8137 Housing Gp-Front
06***55Seal-O-Ring (Id=47.22mm)1
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case1
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter11
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159-8621 Housing Gp-Front
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case1
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter11
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***822
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192-1563 Idler Gp-Belt -Alternator, Refrigerant Compressor
14***11Pulley As-Idler1
14***01Cover-Dust; (Rear)1
15***98Spacer; (10.4x38.1x20-mm Thk)1
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148-2063 Lifter Gp-Valve -Mechanism
0L***26Plug -13mm(.512 In.) Outside Dia.2
12***93Dowel1
14***63Lifter Group-Valve; -Mechanism1
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112-2418 Lifting Gp-Engine
0S***95Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard4
10***86Eye-Lifting1
11***18Lifting Group-Engine1
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111-2088 Lifting Gp-Engine
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly8
10***85Eye-Lifting1
11***88Lifting Group-Engine; (Rear)1
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117-2748 Lifting Gp-Engine
11***05Plate; (Lifting Eye)2
11***48Lifting Group-Engine1
5P***45Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate)6
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190-0009 Mechanism Gp-Fuel Pump & Valve
19***09Mechanism Group-Fuel Pump & Valve1
27***29Rocker Arm Group3
6I***58Bridge-Valve12
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148-7482 Mechanism Gp-Fuel Pump & Valve
14***82Mechanism Group-Fuel Pump & Valve1
19***98Rocker Arm Group3
6I***58Bridge-Valve12
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197-7432 Mounting Gp-Belt Tensioner
14***01Cover-Dust; (Rear)1
15***00Bolt; (M10x1.5x54.25-mm)2
16***58Cover; (Dust)1
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197-7433 Mounting Gp-Belt Tensioner
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender4
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***824
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly3
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243-3014 Mounting Gp-Belt Tensioner
15***00Bolt; (M10x1.5x54.25-mm)1
16***58Cover; (Dust)1
17***98Pulley As-Idler; (8-Groove)2
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252-5557 Mounting Gp-Belt Tensioner
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case4
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***822
0S***08Bolt-Support To Starting Engine Timing Gear Housing2
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138-2550 Mounting Gp-Fan Drive
12***64Stud; (M12x1.75x86.3-mm Oal)2
13***50Mounting Group-Fan Drive; (Short)1
5R***37Washer; (Seal) (1.27mm Thk)2
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116-5408 Mounting Gp-Valve Mechanism
11***83Fastener Group-Cylinder Head; (Cylinder Head)1
11***08Mounting Group-Valve Mechanism1
17***68Bridge As-Valve; (Intake)12
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126-0144 Pan Gp-Oil -Engine
06***58Seal-O-Ring; (Oil Pan Drain Plug)2
10***08Gasket; (Oil Pan)1
12***57Bell As; (Suction)1
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250-1884 Pan Gp-Oil
06***58Seal-O-Ring; (Oil Pan Drain Plug)2
10***08Gasket; (Oil Pan)1
12***57Bell As; (Suction)1
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196-2111 Pan Gp-Oil
06***58Seal-O-Ring; (Oil Pan Drain Plug)1
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold3
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***824
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130-0863 Piston & Rod Gp
11***99Plug-Pin2
11***16Rod Assem.1
11***72Bearing-Connecting Rod1
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176-5745 Piston & Rod Gp
13***63Skirt-Piston1
13***61Ring-Piston; (Top)(Top)1
15***25Bolt; (7/16-14-2a-Thd)1
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134-3071 Piston & Rod Gp
13***71Piston & Rod Group1
13***05Ring-Piston; (Oil Control)1
14***30Ring-Piston; (Intermediate)1
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117-0165 Plug Gp-Cylinder Block
11***65Plug Group-Cylinder Block; -Oil Gallery, End1
3B***23Core Plug--Flywheel Housing Pinion Shaft Hole1
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234-9706 Plug Gp-Cylinder Block
23***06Plug Group-Cylinder Block; -Remote1
6V***48Seal--O-Ring--To Governor Drive Housing1
6V***09Seal-O-Ring (Id=16.36mm); (16.36-mm Id)1
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305-9196 Plug Gp-Cylinder Block
30***96Plug Group-Cylinder Block1
6V***65O-Ring - For Oil Fill Plug1
9S***10Plug; (Straight Thread O-Ring)(Cylinder Head)1
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247-8211 Plug Gp-Cylinder Block
03***53Seal-O-Ring; (08.92mm Id)1
13***27Seal-O-Ring; (19.18mm Id Base Side)1
18***09Plug As; (High Temperature)1
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191-6520 Plug Gp-Cylinder Block
19***20Plug Group-Cylinder Block1
21***66Seal-O-Ring; (Engine Oil)1
30***30Accessory Drive Pulley, Plug As1
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117-0185 Plug Gp-Cylinder Block
11***85Plug Group-Cylinder Block; (Cylinder Block)1
6V***89Seal-O-Ring (Id=19.18mm)1
9S***06Plug (Front 5 Stem Main Control Valve)1
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235-1591 Plug Gp-Cylinder Block
03***53Seal-O-Ring; (08.92mm Id)1
13***27Seal-O-Ring; (19.18mm Id Base Side)1
18***09Plug As; (High Temperature)1
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138-2028 Plug Gp-Cylinder Block
13***28Plug Group-Cylinder Block1
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve1
6V***48Seal--O-Ring--To Governor Drive Housing1
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234-9184 Plug Gp-Cylinder Head
18***08Plug As; (High Temperature)4
23***84Plug Group-Cylinder Head; -Remote1
6V***51Seal-O-Ring (Id=19.18mm)1
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110-1116 Plug Gp-Cylinder Head
11***16Plug Group-Cylinder Head1
7W***92Plug-Pipe; (1/2-14 Nptf Thd)(Use Without Air Compressor)1
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234-9776 Plug Gp-Engine
23***76Plug Group-Engine; -Remote1
6V***09Seal-O-Ring (Id=16.36mm); (16.36-mm Id)1
9S***05Plug-O-Ring; (Straight Thread O-Ring)1
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234-9775 Plug Gp-Engine
23***75Plug Group-Engine; -Remote1
6V***09Seal-O-Ring (Id=16.36mm); (16.36-mm Id)1
8L***86Seal-O-Ring (Id=16.36mm); (16.36-mm Id)1
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278-1929 Rocker Arm Gp
06***39Seal-O-Ring2
19***51Button; (24-mm Od)2
19***69Screw-Arm Adjustment; (9/16-18x2-In)2
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328-4236 Rocker Arm Gp
30***22Shaft As-Rocker Arm, Exhaust Manifold1
32***96Rocker Arm Group; -Intake4
32***36Rocker Arm Group; -Non-Brake1
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328-4238 Rocker Arm Gp
06***39Seal-O-Ring1
19***51Button; (24-mm Od)1
19***69Screw-Arm Adjustment; (9/16-18x2-In)1
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278-1931 Rocker Arm Gp
115-9397 Rocker Arm Gp
09***14Pin; (Spring)1
11***97Rocker Arm Group1
11***98Arm; (Valve Rocker) (Exhaust)2
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320-2796 Rocker Arm Gp -Intake
25***21Button1
27***91Screw-Arm Adjustment; (3/8-24x1.20-In)1
27***17Nut; (3/8-24-Thd)1
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198-9898 Rocker Arm Gp
03***13Seal-O-Ring2
06***39Seal-O-Ring2
19***51Button; (24-mm Od)2
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116-1091 Seal Gp-Crankshaft
10***80Seal-O-Ring (Id=177.17mm)1
11***91Seal Group-Crankshaft; -Single Lip1
16***23Cover1
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319-7401 Seal Gp-Crankshaft -Front
14***67Seal Group-Crankshaft; (Front)1
31***01Seal Group-Crankshaft; -Front1
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193-7412 Support Gp-Engine
19***61Support As1
19***12Support Group-Engine1
5P***45Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate)8
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193-7413 Support Gp-Engine
19***65Support As1
19***13Support Group-Engine1
2H***88Bolt- 12 cm(4.75 In.) Long-Location "F"8
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117-2749 Valve Mechanism Gp -Engine
10***42Base-Valve Mechanism Cover1
10***67Pushrod; (Valve)12
10***68Pushrod-Injector6
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Cooling System
115-2990 Cooler Gp-Engine Oil
06***40Seal-O-Ring (Id=37.69mm)2
10***25Gasket1
11***90Cooler Group-Engine Oil; (Engine Oil)1
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117-2792 Fastener Gp-Oil Cooler -Engine
11***92Fastener Group-Oil Cooler; -Engine1
6V***17Bolt; (M8x1.25x30-mm)(Location Z)1
9M***74Washer-Hard; (8.8x16x2-mm Thk)(Hard)1
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163-1628 Fastener Gp-Oil Cooler -Engine
16***28Fastener Group-Oil Cooler; -Engine1
17***99Stud; (3/8-16-Thd)1
5M***94Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler1
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109-2373 Fastener Gp-Water Pump
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***821
10***73Fastener Group-Water Pump; (Water Pump Cover)1
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116-5456 Housing & Regulator Gp -Engine Coolant Temperature
11***56Housing & Regulator Group; -Engine Coolant Temperature1
11***00Housing As-Regulator1
12***11Stud; (M8x1.25-Thd)(M8x1.25 Thd Both Ends)4
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116-5446 Lines Gp-Water -Water Pump Inlet Elbow
10***35Gasket1
11***46Lines Group-Water; -Water Pump Inlet Elbow1
11***57Elbow-Water Pump1
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116-5460 Lines Gp-Water -Bypass
10***08Flange1
10***95Tube1
11***60Lines Group-Water; -Bypass1
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195-7999 Lines Gp-Water
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)5
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***823
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly6
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117-2783 Lines Gp-Water -Single Thermostat
11***56Housing & Regulator Group; -Engine Coolant Temperature1
11***83Lines Group-Water; -Single Thermostat1
11***97Gasket4
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117-2789 Plug Gp-Water Lines
11***89Plug Group-Water Lines; -Engine Oil Cooler1
6V***27Seal-O-Ring (Id=8.92mm)1
8T***67Plug-Pipe; (Oil Cooler Bonnet Drain)1
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161-5719 Pump Gp-Water
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***821
10***30Bearing As-Roller1
12***17Seal Group; (Water Pump)1
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174-5986 Pump Gp-Water
10***77Seal-O-Ring; (100.97mm Id)1
12***72Seal-O-Ring (215.49mm Id)1
16***19Pump Group-Water1
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176-7000 Pump Gp-Water
10***10Gasket1
14***88Seal As; (Water Pump)1
17***95Cover-Pump1
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117-2674 Pump Gp-Water
11***74Pump Group-Water1
17***00Pump Group-Water1
6V***21Bolt; (M8x1.25x80-mm)2
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Electrical And Starting System
126-7631 Connection Gp-Electrical
12***31Connection Group-Electrical; (Cylinder Block Ground)1
12***49Stud; (3/8-16, 5/8-18x3.1-In)1
5P***47Washer (Bracket To Valve Support)1
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159-9107 Connection Gp-Electrical -Cylinder Head Ground
15***07Connection Group-Electrical; -Cylinder Head Ground1
17***99Stud; (3/8-16-Thd)1
6V***01Nut; (3/8-16-Thd)(Plate To Rh And Lh Bracket As)1
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124-2674 Connection Gp-Electrical
12***74Connection Group-Electrical; -Ground1
5C***61Nut (M8x1.25 Thd); (M8x1.25 Thd)1
6V***64Washer-Hard; (8.8x25.5x5-mm Thk)1
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168-4490 Control & Mtg Gp-Engine Elek
16***90Control & Mtg Group-Engine Elek1
16***94Spacer; (8.5x12.7x54.1-mm)2
17***91Control Group-Engine Electronic1
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191-5208 Control & Mtg Gp-Engine Elek
12***11Spacer; (3x15x17-mm Thk)1
15***96Support As1
15***98Support As1
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210-0849 Control Gp-Engine Electronic
21***49Control Group-Engine Electronic1
32***03Control Group-Engine Electronic1
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178-3091 Control Gp-Engine Electronic
17***91Control Group-Engine Electronic1
21***48Control Group-Engine Electronic1
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240-5304 Control Gp-Engine Electronic
18***72Screw-Pan Head; (No 8-32x9.52-mm)(Wax Coated)1
24***04Control Group-Engine Electronic1
7X***15Strap; (Grounding)1
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322-3603 Control Gp-Engine Electronic
18***72Screw-Pan Head; (No 8-32x9.52-mm)(Wax Coated)1
32***03Control Group-Engine Electronic1
7X***15Strap; (Grounding)1
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210-0848 Control Gp-Engine Electronic
18***72Screw-Pan Head; (No 8-32x9.52-mm)(Wax Coated)1
21***48Control Group-Engine Electronic1
7X***15Strap; (Grounding)1
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192-1623 Mounting Gp-Sensor
16***93Adapter1
19***23Mounting Group-Sensor1
1T***20Bolt-12 Point Head; (3/8-16x1.25-In)1
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192-0883 Sensor Gp-Engine
00***17Elbow1
03***78Connector-Filtered Fuel To Adapter1
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***821
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235-4557 Sensor Gp-Engine
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***821
11***82Seal-O-Ring; (16.36mm Id)1
13***11Sensor Group-Temperature; (Transmission Lubrication Oil)3
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194-6724 Sensor Gp-Pressure
15***60Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness)1
19***26Harness As-Sensor; (16-18 Ga Wire)(Engine Oil Temperature)3
19***24Sensor Group-Pressure; -Air Inlet Manifold1
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194-6722 Sensor Gp-Pressure
15***60Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness)1
18***40Socket-Connector; (14-Ga To 18-Ga)(14-Ga To 18-Ga)3
19***22Sensor Group-Pressure; -Atmospheric Air1
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197-8394 Sensor Gp-Pressure
16***05Sensor As-Pressure; (Unfiltered Engine Oil)1
19***94Sensor Group-Pressure; -Engine Oil1
6V***48Seal--O-Ring--To Governor Drive Housing1
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194-6725 Sensor Gp-Pressure
15***60Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness)1
18***40Socket-Connector; (14-Ga To 18-Ga)(14-Ga To 18-Ga)3
19***25Sensor Group-Pressure; -Engine Oil1
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197-8395 Sensor Gp-Pressure
19***24Sensor Group-Pressure; -Air Inlet Manifold1
19***95Sensor Group-Pressure; -Air Inlet Manifold1
6V***48Seal--O-Ring--To Governor Drive Housing1
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197-8393 Sensor Gp-Pressure
16***03Sensor Group-Pressure; (Turbocharger Inlet, Rh)1
19***93Sensor Group-Pressure; -Atmospheric1
21***68Seal-O-Ring; (11.89-mm Id)1
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197-8396 Sensor Gp-Speed
18***11Sensor Group-Speed; (Crankshaft Timing)1
19***96Sensor Group-Speed; -Timing, Crankshaft1
20***40Seal-O-Ring; (13.94mm Id)1
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197-8397 Sensor Gp-Speed
18***01Sensor Group-Speed; (Camshaft Timing)1
19***97Sensor Group-Speed; -Timing, Camshaft1
20***40Seal-O-Ring; (13.94mm Id)1
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197-8391 Sensor Gp-Temperature
13***45Pad; (Connector)1
19***91Sensor Group-Temperature; -Air Inlet Manifold1
26***97Sensor Group-Temperature; (Air Inlet Manifold)1
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197-8392 Sensor Gp-Temperature
13***45Pad; (Connector)1
19***92Sensor Group-Temperature; -Coolant, Water1
26***97Sensor Group-Temperature; (Air Inlet Manifold)1
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191-6130 Wiring Gp-Electronic Control
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case2
0S***76Bolt 5.08 cm(2 In.) Long2
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
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226-2312 Wiring Gp-Engine
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case2
0S***76Bolt 5.08 cm(2 In.) Long2
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
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171-1103 Wiring Gp-Engine
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
13***89Clip; (Ladder)1
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117-2760 Wiring Gp-Unit Injector
11***60Wiring Group-Unit Injector1
2V***16Clip; (9.52mm Id)4
4P***37Harness Assembly-Wiring; (Unit Injector)1
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Engine Arrangement
235-4673 Engine Ar-Complete
10***36Cover Group-Cylinder Block; -Remote1
10***37Cover Group-Cylinder Block; -Remote1
10***12Fitting Group-Quick Disconnect; -Fuel1
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172-6946 Engine Ar-Complete
10***96Flywheel Group1
11***85Cover Group-Cylinder Block1
11***90Cooler Group-Engine Oil; (Engine Oil)1
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235-4672 Engine Ar-Complete
10***36Cover Group-Cylinder Block; -Remote1
10***37Cover Group-Cylinder Block; -Remote1
10***12Fitting Group-Quick Disconnect; -Fuel1
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172-6957 Engine Ar-Complete
10***36Cover Group-Cylinder Block; -Remote1
10***37Cover Group-Cylinder Block; -Remote1
10***12Fitting Group-Quick Disconnect; -Fuel1
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172-6945 Engine Ar-Complete
10***96Flywheel Group1
11***85Cover Group-Cylinder Block1
11***90Cooler Group-Engine Oil; (Engine Oil)1
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172-6955 Engine Ar-Complete
10***36Cover Group-Cylinder Block; -Remote1
10***37Cover Group-Cylinder Block; -Remote1
10***12Fitting Group-Quick Disconnect; -Fuel1
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185-6149 Engine Ar-Core
12***48Base Group-Valve Cover & Inj Harn1
12***10Injector Group-Fuel6
14***82Mechanism Group-Fuel Pump & Valve1
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185-6150 Engine Ar-Core
12***48Base Group-Valve Cover & Inj Harn1
12***10Injector Group-Fuel6
13***71Piston & Rod Group6
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185-6147 Engine Ar-Core
11***83Cylinder Block Group1
11***85Cylinder Head Group1
11***05Manifold Group-Inlet1
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235-3451 Engine Ar-Core
12***48Base Group-Valve Cover & Inj Harn1
12***10Injector Group-Fuel6
13***71Piston & Rod Group6
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185-6148 Engine Ar-Core
11***83Cylinder Block Group1
11***85Cylinder Head Group1
11***05Manifold Group-Inlet1
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235-3450 Engine Ar-Core
12***48Base Group-Valve Cover & Inj Harn1
12***10Injector Group-Fuel6
14***82Mechanism Group-Fuel Pump & Valve1
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Fuel System
116-5436 Filter Gp-Fuel
11***36Filter Group-Fuel; -Secondary1
1R***62Filter As-Fuel; (Advanced Efficiency)(Secondary)1
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116-5434 Fitting Gp-Fuel Lines
11***34Fitting Group-Fuel Lines1
11***35Connector1
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve1
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213-5208 Fitting Gp-Fuel Lines
03***42Seal-O-Ring; (11.89mm Id)1
21***08Fitting Group-Fuel Lines1
2R***06Connector Valve Assembly To; Connector- Tube Assembly To Logic Valve1
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213-5207 Fitting Gp-Fuel Lines
21***07Fitting Group-Fuel Lines1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
6V***98Seal-O-Ring -Line From Gear Pump Output1
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108-2312 Fitting Gp-Quick Disconnect
03***42Seal-O-Ring; (11.89mm Id)1
10***12Fitting Group-Quick Disconnect; -Fuel1
6V***52Cap-Dust; (Fuel Supply Tee Connection)1
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170-5252 Injector Gp-Fuel
11***84Seal-O-Ring; (32.99mm Id)1
17***52Injector Group-Fuel1
9X***17Seal-O-Ring; (9.6mm Id)1
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128-8510 Injector Gp-Fuel
10***72Spacer; (9.8x15.85x37.6-mm Thk)1
12***10Injector Group-Fuel1
21***25Injector Group-Fuel1
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203-7685 Injector Gp-Fuel
11***84Seal-O-Ring; (32.99mm Id)1
20***85Injector Group-Fuel1
21***98Seal-O-Ring; (34.56mm Id)1
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193-1561 Lines Gp-Fuel
03***47Elbow-Filtered Fuel From Based Assembly2
03***28Seal-O-Ring1
03***42Seal-O-Ring; (11.89mm Id)12
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216-7887 Lines Gp-Fuel
03***47Elbow-Filtered Fuel From Based Assembly2
11***02Hose As1
11***16Hose Assem.1
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189-0351 Pump Gp-Fuel Injection
15***01Bolt; (8x1.25x7-mm)(M8x1.25x70mm)1
17***52Injector Group-Fuel1
18***51Pump Group-Fuel Injection1
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116-5411 Pump Gp-Fuel Priming -Hand
11***11Pump Group-Fuel Priming; -Hand1
13***41Pump Group-Fuel Priming; (Hand)1
1P***36Gasket; (Fuel Priming Pump)(Fuel Priming Pump)1
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145-1695 Pump Gp-Fuel Transfer
09***70Washer-Sealing2
10***69Seal-O-Ring; (Fuel Transfer Pump)1
14***95Pump Group-Fuel Transfer1
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139-9095 Pump Gp-Fuel Transfer
0S***73Stud2
10***72Cover; (Hydraulic Pump Drive)1
10***69Seal-O-Ring; (Fuel Transfer Pump)2
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139-9094 Pump Gp-Fuel Transfer
10***69Seal-O-Ring; (Fuel Transfer Pump)2
13***03Cover-Pump1
13***94Pump Group-Fuel Transfer; -Remote1
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238-0296 Valve Gp-Check -Fuel
03***33Seal-O-Ring; (12.42mm Id)1
23***96Valve Group-Check; -Fuel Filter1
6V***23Ring; (Backup) (13.16mm Id)1
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156-5783 Valve Gp-Check -Fuel
03***33Seal-O-Ring; (12.42mm Id)1
15***83Valve Group-Check; -Fuel1
6V***23Ring; (Backup) (13.16mm Id)1
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233-6742 Valve Gp-Check -Fuel
23***42Valve Group-Check; -Fuel Filter1
23***96Valve Group-Check; -Fuel Filter1
6V***89Seal-O-Ring (Id=19.18mm)1
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281-2725 Valve Gp-Check -Fuel
03***33Seal-O-Ring; (12.42mm Id)1
28***25Valve Group-Check; -Fuel1
6V***23Ring; (Backup) (13.16mm Id)1
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Lubrication System
154-4327 Base Gp-Oil Filter -Engine
15***27Base Group-Oil Filter; -Engine1
17***63Base Group-Oil Filter; -Engine1
1P***67Plunger; (Engine Oil Cooler Relief Valve)2
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166-1329 Base Gp-Oil Filter -Engine
11***45Valve-Pump Bypass; (Engine Oil Filter)1
16***28Base Assem.1
16***29Base Group-Oil Filter; -Engine1
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209-6302 Base Gp-Oil Filter -Engine
06***40Seal-O-Ring (Id=37.69mm)2
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
15***27Base Group-Oil Filter; -Engine1
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155-5005 Base Gp-Oil Filter
06***40Seal-O-Ring (Id=37.69mm)2
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
15***80Elbow1
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176-1363 Base Gp-Oil Filter -Engine
17***63Base Group-Oil Filter; -Engine1
2P***04Stud-Hollow; (1.5-16x1.339-In)1
9L***57Plug-Cup2
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117-2786 Cover Gp-Oil Filter Base -Engine
11***86Cover Group-Oil Filter Base; -Engine1
5S***34Seal-O-Ring; (97.79mm Id)1
7C***42Cover; (Filter Base)1
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4n-2481 Fastener Gp-Oil Pump Mounting -Engine
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender2
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)1
4N***81Fastener Group-Oil Pump Mounting; Oil Pump Mounting Fastener Group1
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192-8993 Filler Gp-Engine Oil
06***55Seal-O-Ring (Id=47.22mm)1
19***93Filler Group-Engine Oil1
19***32Cap As; (Engine Oil Filler)1
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110-8876 Filler Gp-Engine Oil
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter2
10***99Tube As-Oil Filler; (Engine)1
11***76Filler Group-Engine Oil1
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226-2313 Filler Gp-Engine Oil -Left Front
06***55Seal-O-Ring (Id=47.22mm)1
19***32Cap As; (Engine Oil Filler)1
22***58Tube-Oil Filler1
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192-8992 Filler Gp-Engine Oil
10***69Seal-O-Ring; (Fuel Transfer Pump)1
19***92Filler Group-Engine Oil1
19***53Bracket1
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117-2751 Filter Gp-Engine Oil
11***51Filter Group-Engine Oil1
13***45Bolt-Hex Head; (M10x1.50x30)6
16***29Base Group-Oil Filter; -Engine1
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154-4325 Filter Gp-Engine Oil
0S***08Bolt-Support To Starting Engine Timing Gear Housing2
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***462
12***72Stud-Mounting; (3/8-16x1.564-In)(3/8-16 Thd)2
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209-5777 Filter Gp-Engine Oil
0S***08Bolt-Support To Starting Engine Timing Gear Housing2
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***462
1A***29Bolt (1-1/8") Tube Assembly To Transfer Drive Case6
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123-0783 Valve Gp-Fluid Sampling
12***83Fitting Group-Fuel Lines; -Fuel1
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve1
6V***52Cap-Dust; (Fuel Supply Tee Connection)1
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212-8218 Fumes Disposal Gp
19***32Hose As-Fumes; (Disposal)1
19***49Bracket1
21***18Fumes Disposal Group1
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143-2656 Gauge Gp-Oil Level (Dipstick)
12***19Gauge As-Oil Level (Dipstick)1
14***54Tube As-Gauge Guide1
14***56Gauge Group-Oil Level (Dipstick); -Engine1
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217-4518 Guide Gp-Oil Level Gauge
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold1
11***68Seal-O-Ring; (15.54mm Id)1
16***70Plug3
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209-7314 Lines Gp-Turbocharger Oil
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case2
10***44Elbow1
11***87Seal-O-Ring (23.16 mm Id)1
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138-4773 Lines Gp-Turbocharger Oil
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case2
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter2
10***44Elbow1
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235-2421 Lines Gp-Turbocharger Oil
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case2
10***44Elbow1
11***87Seal-O-Ring (23.16 mm Id)1
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211-2820 Lines Gp-Turbocharger Oil
10***69Tube As; (Oil)1
11***87Seal-O-Ring (23.16 mm Id)1
11***42Adapter1
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165-0592 Lines Gp-Turbocharger Oil
03***33Seal-O-Ring; (12.42mm Id)1
11***87Seal-O-Ring (23.16 mm Id)1
11***42Adapter1
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117-2746 Pump Gp-Engine Oil
06***61Seal-O-Ring (Id=40.87mm)1
11***03Tube Assem.1
11***46Pump Group-Engine Oil1
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233-5220 Pump Gp-Engine Oil
23***20Pump Group-Engine Oil1
6D***46Seal-O-Ring (Id=101.27mm)1
6V***17Bolt; (M8x1.25x30-mm)(Location Z)4
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161-4113 Pump Gp-Engine Oil
12***56Cover As-Pump1
16***13Pump Group-Engine Oil1
1M***44Bolt; (3/8-16x2-1/4 In)2
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138-2535 Valve Gp-Fluid Sampling -Engine Oil
13***35Valve Group-Fluid Sampling; -Engine Oil1
3J***54Packing,Preformed Part Of Kit P/N 5r***271
5P***17Adapter- To Logic Valve 1u***591
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Frequently asked questions

What engine does the Caterpillar MTC865 use?

It depends on series. The original 2002-2004 machine runs a Cat C16 (15.8L) rated near 500 hp. The 2006-2008 B series switches to a Cat C18 (18.1L) at roughly 510 hp. The 2008-2013/2016 C series uses a Cat C18 ACERT, also 18.1L, at roughly 525 hp. All three are Caterpillar-built diesels even though the tractor itself is sold under the AGCO Challenger brand.

What is the operating weight of the Caterpillar MTC865?

Operating weight runs roughly 41,000 to 44,220 lb (18,600-20,060 kg) depending on series and configuration. Ballast, rear hitch equipment, and belt width all shift the figure within that range, so treat any single number as an approximation.

What replaced the Caterpillar MTC865?

No model carries the MTC865 designation forward. AGCO owns the Challenger brand outright after acquiring it from Caterpillar in 2002 and continued the Mobil-trac tractor line under its own MT800/900-series naming and engineering. There is no confirmed direct Caterpillar successor in this numeric line.

What MTC865 owners discuss

How does the Mobil-trac track tensioning system behave, and what do track-tension warning lights usually mean?
Tension is mostly spring-loaded, with a nitrogen-charged cylinder taking up the last bit of travel and cushioning shock loads on each side independently. A track-tension warning is most often a slow nitrogen leak on one side rather than a mechanical problem - owners have diagnosed this by checking sensor voltage at the harness (readings near 3.0-3.1V at moderate ambient temperature are typical of a properly charged side; a low reading on one side versus the other points to a leak). Pulling the dash fuse silences the light but does not fix anything. Recharging nitrogen is a routine DIY task with the right fill kit, but if the warning keeps returning after a recharge, the tensioning cylinder seal is usually shot and needs replacement, not just a top-up. Because this is a pressurized system tied to track retention, have your dealer verify cylinder and seal condition before returning the machine to heavy pulling work.
What wear patterns show up on the rubber tracks and bogie/idler wheels?
Belt life is heavily duty-cycle dependent - operations running these tractors hard in scraper/pan pulling report getting roughly 1,500 hours out of a track and bogie-wheel set before replacement, while lighter tillage use stretches well beyond that. A recurring complaint is uneven lug wear biased toward the inside edge of the belt; when that shows up, swapping the track from one side of the tractor to the other evens out the wear and extends life. On original, higher-hour tracks, check where the mid-rollers ride for wire strands starting to poke through the rubber - that's a sign the belt is due for replacement soon. Front idler wheels have been reported cracking on some units, so a visual crack check around the idler rim is worth doing at every service interval.
Is there a real difference in how the C16 (A-series) and C18 ACERT (B/C-series) engines behave day to day?
Yes. The C18 in the B and C series burns noticeably more fuel than the C16 in the original A-series under full load - owners report roughly 95-114 L/hr (25-30 gal/hr) at full pull on the C18, more than the C16 on paper for comparable output. Well-maintained A-series C16 units get described as pulling hard and being easy on fuel by comparison. A smaller number of owners running C18-powered units in severe-duty earthmoving-type work (not typical row-crop/tillage duty) have flagged liner wear as a concern over time; that pattern is not widely reported in normal ag service. Confirm which engine and series a given machine actually has before comparing fuel-burn or wear expectations - the A/B/C letter and year are the fastest way to tell them apart.
What transmission problems come up most in owner discussions?
These use a powershift transmission with a clutch pack arrangement (commonly referenced as the "H" clutch, covering the mid-range and reverse gears). Shift-quality complaints and clutch pack wear are frequently tied to operator technique - riding or feathering the inching pedal instead of using it briefly accelerates clutch wear. More serious cases include a documented reverse-clutch failure where debris from the failed clutch migrated into the transmission case, clogged filters, and damaged gears, requiring a full transmission rebuild. Given the cost and complexity of a rebuild, treat any hesitation, flare, or delayed engagement in a shift as a reason to have your dealer verify clutch pack condition before it progresses to a case-contamination failure.
What electrical and sensor issues show up repeatedly?
Track-tension sensors are the most commonly discussed sensor issue - besides genuine nitrogen leaks, owners have traced false tension warnings to a loose or corroded battery ground connection, and in at least one case to mice chewing through the sensor wiring harness, which was fixed by splicing in a new section. Cab blower motor failures come up more than once, and on humid days some owners report the A/C evaporator icing up and cutting off airflow; A/C compressor replacement has also been needed on some units. None of these are unique to one series - they show up across the A/B/C lineup as normal wear items on a machine with this many operating hours.
What's involved in servicing the reaction-arm (final drive) bearings, and why does it matter for a used machine?
Each side has its own oil cavity split between an outer and inner chamber - draining only from the outside plug leaves old oil trapped in the inner cavity, so both sides need to be drained and refilled individually rather than assumed to share a common sump. Some higher-hour units show reaction-arm bearings that were previously updated or replaced, which suggests this is a known wear point over the life of the machine rather than an isolated failure. When reviewing service records on a used unit, look specifically for reaction-arm bearing oil changes and any bearing replacement history - machines without any record of this service are more likely to be due.
What should I check before buying a used MTC865?
Confirm the actual series first (A-series C16 versus B/C-series C18 ACERT) against the serial plate and year, since fuel burn, power rating, and known wear patterns differ between them. Pull transmission service records and ask directly about clutch pack (H-clutch) history and any past rebuild - a rebuild done thousands of hours ago followed by renewed shift problems is a red flag. Check track and bogie-wheel wear against hours run, look for inside-edge lug wear or exposed wire strands, and inspect the front idlers for cracks. Cycle the track-tension system on both sides and compare sensor readings; a lopsided reading points to a slow nitrogen leak or a failing cylinder seal. Ask for reaction-arm bearing oil-change history, check cab blower and A/C function, and review overall service records for consistency with the hour meter. Have your dealer verify transmission clutch pack condition and track-tensioning cylinder integrity before final purchase, since both are costly to repair if neglected.

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

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