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Caterpillar TH48-E70

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar TH48-E70 is not a complete machine; it is a standalone well-service transmission, a torque-converter-and-powershift assembly built into oilfield power-train packages rather than mounted on a chassis of its own. It carries a SAE #0 flywheel input and mates to a Cat C27 ACERT, Cat C32 ACERT, or Cummins QST30 engine rated 895 to 1118 bkW (1200 to 1500 bhp), driving straight spur planetary gearing through seven forward speeds with no reverse via electro-hydraulic, multidisc clutches under Cat Electronic Clutch Pressure Control (ECPC) on a J1939 datalink. As a component it has a fixed dry weight near 1692 kg (3735 lb) rather than an operating-weight range, since it ships without chassis, fuel tank, or its own cooling circuit, all of which are supplied by the truck-package builder. Its core gear train traces back to Cat's 777 off-highway truck transmission, adapted for well-service duty, and it is built in several configurations tracked by serial prefixes such as PKZ, JGC, PKG, KSH, and PKY that correspond to the paired engine and target application.

Caterpillar's well-service transmission line split by power class as pressure-pumping horsepower climbed. The TH48-E70 covers the 1200 to 1500 bhp input tier, while the heavier TH48-E80 was later developed in-house for higher torque loads and has since evolved into the current CX48-P2300, Cat's present-day flagship for large frac and coil-tubing packages. What carried through that progression is the core architecture: ECPC clutch modulation, TDTO-4 lubrication, and J1939 integration with the paired engine's control module. In the used and parts market, TH48-E70 units stay in demand because so many pressure-pumping, kill-mud-pump, coil-tubing, nitrogen, and acidizing fleets were built around the C27/C32/QST30 power range it serves. Operators rebuilding or re-powering older frac trailers look for compatible cores, clutch packs, torque converters, and coolers rather than complete new transmissions, and the shared TDTO/ECPC architecture across the TH48 family keeps salvaged and remanufactured units serviceable well after a given truck package is retired.

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 TH48-E70 specifications

Engine

Unit typeTH48-E70 is a well-service (oilfield) transmission, not a self-contained engine-driven machine. It has no engine of its own; power comes from a separately mounted diesel.
Compatible enginesOptimized for use with Cat C27 ACERT and Cat C32 ACERT diesel engines, and with Cummins QST30 diesel engines
Gross input power rating895 to 1118 bkW (1200 to 1500 bhp), matching the 950 to 1500 bhp rating range of the paired engines
Rated input speed2100 rpm

Weights

Dry weightapprox. 1694 kg (3735 lb)
Configuration variantsNo published weight variants by configuration; figure applies to the base TH48-E70 unit

Dimensions

Overall length1681 mm (66 in)
Overall width866 mm (34 in)
Overall height1092 mm (43 in)
Input connectionSAE No. 0 flywheel connection
Output connectionGWB 390.60 / GWB 390.65 yoke

Performance

Gear configuration7 forward speeds, no reverse, straight spur planetary gearing
Gear ratios (1st-7th)6.16, 4.52, 3.33, 2.47, 1.82, 1.36, 1.00
Gross peak input torque4422 ft-lb (approx. 5995 N·m)
Maximum turbine torque7442 ft-lb (approx. 10,089 N·m)
RotationInput and output both rotate counterclockwise, viewed from the rear
Clutch typeElectro-hydraulic, fully modulated, oil-cooled multidisc clutches with integral torque converter
Control systemElectronic control unit (ECU) with SAE J1939 data link, 24V electrical system
Typical applicationsPressure pumping, kill mud pumps, coil tubing pump support, nitrogen units, and acidizing units

Service capacities (summary)

Oil/hydraulic fill capacityapprox. 114 L (30 gal), varies with cooler size, line length, and installation
Oil specificationCat Transmission/Drive Train Oil-4 (TDTO) or equivalent
Filter type6-micron synthetic, cartridge, remote-mount
Continuous oil temperature90°C (195°F)
Maximum operating oil temperature99°C (210°F)

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

TH48-E70 fluids & capacities

SystemCapacityRecommended fluid
Transmission / torque converter sump and hydraulic circuit (oil cooler lines and cooler included)approx. 114 L (30 US gal); actual fill varies with cooler size, line length, and installationCat TDTO (Transmission/Drive Train Oil-4) or equivalent. Filtered through a 6-micron synthetic cartridge, remote-mount filter. Viscosity by climate per Cat TDTO line: SAE 30 for roughly 0°C to 35°C (32°F to 95°F); SAE 10W for roughly -20°C to -43°C (-4°F to -45°F); Cat TDTO Cold Weather synthetic blend for extended cold-climate range. Sump oil runs continuous around 90°C (195°F), max 99°C (210°F).

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

Caterpillar TH48-E70 maintenance schedule

Service intervalTasks
Every 50 h
  • Check torque converter and transmission oil level with the unit at operating temperature before duty.
  • Inspect TDTO cooler lines, hoses, and fittings for leaks, chafing, or vibration wear.
  • Check ECPC/ECU wiring harness connectors for looseness or corrosion at the wellsite.
  • Listen for abnormal noise or delayed engagement during clutch shift sequencing.
  • Drain any water or sediment from the sump sight glass or drain, if equipped.
Every 250 h
  • Pull a TDTO-4 sample for S·O·S fluid analysis covering wear metals, viscosity, and contamination.
  • Inspect the 6-micron synthetic filter element and replace it if the bypass indicator has tripped.
  • Clean or replace the transmission breather if loaded with sand or proppant dust.
  • Inspect cooler core fins for mud or sand packing and clean as needed.
  • Compare ECPC clutch modulation pressures against baseline calibration values.
Every 500 h
  • Replace the transmission oil filter cartridge regardless of bypass indicator status.
  • Inspect the SAE #0 flywheel input coupling and splines for wear or backlash.
  • Check torque converter stall and lockup operation under load.
  • Torque-check transmission mounting hardware and cooler line fittings.
  • Download ECU fault code history over J1939 and log it for trend review.
Every 1,000 h
  • Change TDTO-4 sump fluid and the filter together as a set.
  • Inspect internal clutch pack discs through the inspection port for wear indicators.
  • Recalibrate ECPC clutch pressure control through Cat Electronic Technician.
  • Inspect wiring harness insulation for chafe or heat damage near the engine bay routing.
  • Pressure-test the oil cooler circuit for internal leakage.
Every 2,000 h
  • Perform a full TDTO-4 change with a cooler-circuit flush.
  • Remove and inspect the torque converter for stator and turbine wear.
  • Inspect the planetary gearset and bearings through the drain and inspection covers.
  • Replace the transmission breather assembly.
  • Verify J1939 datalink integrity between the transmission ECU and the engine ECM.
  • Re-torque all structural mounting hardware to specification.
Every 6,000 h
  • Remove the transmission for complete teardown and clutch pack disc replacement.
  • Replace all seals, bearings, and wear-prone splined couplings.
  • Rebuild or exchange the integral torque converter assembly.
  • Inspect and resurface or replace planetary gear sets as wear dictates.
  • Recalibrate and functionally test ECPC clutch control before return to service.

Servicing the TH48-E70 beyond the schedule

Predictive Maintenance & Fluid Analysis

Run scheduled TDTO-4 S·O·S sampling to catch clutch-pack and planetary wear metals before they surface as shift flare or torque-converter slip. Track sump temperature against the 90°C (195°F) continuous and 99°C (210°F) maximum limits, since sustained over-temp on a pressure-pumping duty cycle degrades TDTO fast. Pull ECU fault history over J1939 and trend ECPC clutch modulation pressures against baseline calibration; drift there flags a solenoid or clutch-pack problem long before it strands a frac spread.

Corrective & Common Repairs

Expect clutch-pack wear and glazing from repeated stall-and-lug cycles inherent to pressure-pumping duty, showing up as delayed engagement or shift shock. Cooler-line fittings and hose crimps loosen under wellsite vibration and are a common source of leaks that trigger low-oil trips. The 6-micron synthetic filter loads quickly in sandy, proppant-dust environments, so bypass-indicator trips are routine rather than a fault condition. ECPC harness connectors at the ECU corrode from wash-down and weather exposure, producing intermittent shift faults traced to connector pins, not the solenoid itself.

Overhaul & Rebuild Points

A full rebuild centers on the multidisc clutch packs, the planetary gearset, and the integral torque converter, the three points that see the heaviest stress from pressure-pumping stall duty. Inspect the SAE #0 flywheel input coupling and splines for backlash before reinstalling on a rebuilt engine. Check torque-converter stator and turbine wear whenever the converter is pulled for cooler-circuit contamination. Replace seals, bearings, and the breather as a set at teardown, then recalibrate ECPC clutch pressure control and run a full functional test before the unit returns to a truck package.

Seasonal & Environment Servicing

Warm the TDTO-4 sump before loading the transmission in cold-basin winter operation; cold, viscous fluid starves clutch modulation and can flare shifts on startup. In sandy or dusty fields, check the breather and cooler fins more often than the standard interval, since proppant and frac-site dust load them faster than the filter-change schedule assumes. For idle or stacked units between jobs, verify corrosion protection on ECU connectors and cooler lines, and cycle the torque converter periodically rather than leaving fluid static for months.

TH48-E70 common service parts

Part numberPart
1D-4540Bolt,Machine Fuel Filter MountingCheck fitment →
220-8678Seal-RingCheck fitment →
326-1642Filter As-Water Sep & FuelCheck fitment →
1R-0755Filter As-FuelCheck fitment →
8N-2556Filter Element As-AirCheck fitment →

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

TH48-E70 fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
SPN 177 / FMI 3 or 4Transmission oil temperature sensor circuit reading voltage above (FMI 3) or below (FMI 4) the normal rangeFailed or degraded oil temperature sensor, corroded or damaged connector pins, or a chafed harness near the transmission caseInspect sensor wiring and connectors for damage or corrosion, check sensor resistance against spec, replace the sensor if out of range, then clear and retest under load
SPN 191 / FMI 2 or 13Transmission output shaft speed signal erratic, intermittent, or not available to the control unitDamaged or contaminated output speed sensor, worn tone wheel, or an open/shorted circuit between the sensor and the ECUCheck sensor air gap and wiring continuity, clean or replace the sensor, verify the fault clears before returning the unit to service
SPN 173 / FMI 0 or 3Torque converter outlet (output) temperature reading abnormally high or the signal is out of the expected rangeSustained high-load stall operation, restricted or undersized cooler circuit, low fluid level, or a faulty temperature sensor giving a false high readingConfirm actual fluid temperature with a handheld probe against the gauge reading, check cooler flow and fluid level, inspect the sensor circuit if the readings disagree
SPN 523 / FMI 2Transmission current (actual) gear does not match the commanded or selected gearSlipping or dragging clutch pack, low system pressure, or a modulating valve not fully shifting the clutch as commandedCheck main and clutch pressures against spec with Cat ET, inspect the affected clutch pack and modulating valve, correct pressure or valve faults before returning to service
SPN 573Torque converter lockup clutch fails to engage or disengage as commanded by the control strategyFaulty lockup solenoid or modulating valve, low system pressure, or a wiring fault in the lockup clutch circuitVerify lockup solenoid operation and circuit resistance, check system pressure, inspect the modulating valve group before condemning the converter
Clutch modulating valve (ECPC) solenoid circuit faultOpen or short circuit detected on one of the electro-hydraulic clutch modulating valve drivers that Cat's Electronic Clutch Pressure Control (ECPC) uses to apply each disc packDamaged solenoid coil, corroded connector, or chafed wiring at the valve body; the same ECPC modulating valve group is used across Cat's well-servicing transmission lineTest solenoid coil resistance and wiring continuity at the valve body connector, repair or replace the modulating valve as needed, then verify normal clutch apply/release with Cat ET
Loss of J1939 data link communication (engine ECU to transmission ECU)The transmission's electronic control unit loses communication with the engine control module over the J1939 data link, which can force the transmission into a protective default stateCorroded, loose, or damaged connector pins along the data link harness, a blown data link fuse, or a failed control moduleInspect and reseat data link connectors and check backbone resistance/termination, confirm power and ground at both control units, clear the code and confirm it does not return

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

TH48-E70 attachments & work tools

Machine identity

TH48-E70 Petroleum Transmission is a well-service (oilfield) transmission, not a telehandler or boom machine. It has no bucket, fork, grapple, or coupler compatibility; work-tool fitment for this product means pump and driveline hardware bolted to the transmission, not lift attachments.

PTO / pump-drive interface

Engine-driven power take-off available at three clock positions (3, 5, and 9 o'clock viewed from the rear), each on an SAE 8-bolt (J704) mounting pad. Rated PTO output is about 112 kW (150 hp) continuous; the 5 o'clock position rotates with engine direction and is limited to roughly 90 hp (67 kW).

Output / pump mount hardware

Main output uses GWB 390.60 or GWB 390.65 yoke connections. Auxiliary PTO pads use SAE C (J744) interfaces, offered as 2-bolt or 4-bolt pump mount patterns with a 14-tooth splined output shaft, matching common oilfield pump-drive hardware.

Orientation / installation options

Four housing orientation configurations are offered: forward-facing angled A, forward-facing angled B, rearward-facing angled A, and rearward-facing angled B, letting installers match the transmission to different truck or skid chassis layouts.

Input connection and engine pairing

Input is an SAE #0 flywheel connection sized for high-horsepower diesels. The transmission is factory-matched to Cat C27 ACERT and C32 ACERT engines and to the Cummins QST30, spanning a gross input power range of about 895 to 1118 bkW (1200 to 1500 bhp), varies by engine rating selected.

Clutch and control system

Integral torque-converter transmission with electro-hydraulic, fully modulated, oil-cooled multidisc clutches managed by Cat Electronic Clutch Pressure Control (ECPC). An onboard ECU handles shift control over an SAE J1939 data link on a 24V electrical system, with one main electrical connector.

Cooling / hydraulic kit

Runs on Cat TDTO-spec transmission/drive-train oil. System fill is approximately 114 L (30 gal), but actual capacity varies by configuration/series depending on cooler size, external line length, and installation. Filtration is a 6-micron synthetic cartridge element, remote-mounted, with two oil-cooler line connections.

Typical application packages

Sold as a driveline component for oilfield service units: pressure pumping trucks, kill/mud pump units, coil tubing pump support, nitrogen pumping units, and acidizing units. No guarding, bucket, or blade options apply; guarding is limited to standard driveline/PTO shaft guards specified by the truck or skid builder.

All TH48-E70 assemblies by section

Every catalogued assembly group for the Caterpillar TH48-E70. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
5n-7822 Air Cleaner Gp
5N***22Air Cleaner Group; -2 Required1
8N***56Filter Element As-Air; (Secondary)1
8N***59Gasket-Air Cleaner Cover1
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4p-0559 Air Cleaner Gp -Heavy-Duty
3S***13Nut-Full-Straps & Brackets8
4P***59Air Cleaner Group; -Heavy-Duty1
4P***09Housing As-Air Cleaner1
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336-3750 Air Cleaner Gp
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case16
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter12
10***81Hose4
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255-8169 Elbow Gp-Air Inlet
20***51Elbow-Air1
21***84Elbow; (Air)1
24***41Clamp-Band2
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280-2734 Elbow Gp-Air Inlet
21***84Elbow; (Air)2
24***41Clamp-Band2
28***34Elbow Group-Air Inlet1
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293-0377 Elbow Gp-Air Inlet
20***51Elbow-Air1
24***41Clamp-Band1
29***77Elbow Group-Air Inlet1
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284-3093 Elbow Gp-Air Inlet
21***84Elbow; (Air)1
24***41Clamp-Band1
28***93Elbow Group-Air Inlet1
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299-4316 Lines Gp-Air
03***32Strap--Harness Assembly To Compressor2
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
29***15Pipe2
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253-8265 Lines Gp-Air -Front
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting3
0S***87Bolt-Bracket Assembly To Timing Gear1
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
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304-4018 Lines Gp-Air
03***32Strap--Harness Assembly To Compressor2
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
30***18Lines Group-Air1
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253-8266 Lines Gp-Air -Rear
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting3
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***822
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336-3754 Lines Gp-Air
06***76Reducer2
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold2
10***12Spacer; (11.13x19.05x53-mm Thk)4
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285-4292 Lines Gp-Air -Rear
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
13***32Tube As; (Exhaust)(Lh)1
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299-4317 Lines Gp-Air
03***32Strap--Harness Assembly To Compressor2
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
29***17Lines Group-Air1
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253-8264 Manifold Gp-Exhaust
11***23Spacer; (11.13x19.05x19-mm Thk)24
12***52Gasket-Exhaust Manifold12
25***64Manifold Group-Exhaust1
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283-1004 Manifold Gp-Exhaust
11***23Spacer; (11.13x19.05x19-mm Thk)24
23***88Gasket12
24***65Seal-O-Ring10
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255-8166 Manifold Gp-Inlet
22***98Manifold-Inlet2
22***13Gasket2
25***66Manifold Group-Inlet1
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337-9646 Manifold Gp-Inlet
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold2
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
0S***15Bolt 19 mm (.75 In.) Long Return Air Console To Enclosed Rops2
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319-2257 Manifold Gp-Inlet
22***98Manifold-Inlet2
22***13Gasket2
2P***13Bolt-Washer Head; (3/8-16x4.50-In)26
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287-4508 Manifold Gp-Inlet
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold2
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
0S***15Bolt 19 mm (.75 In.) Long Return Air Console To Enclosed Rops2
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319-2256 Manifold Gp-Inlet
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold2
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
0S***15Bolt 19 mm (.75 In.) Long Return Air Console To Enclosed Rops2
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262-6877 Muffler
336-3757 Muffler Gp
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting20
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)48
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly8
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258-4478 Shield Gp-Manifold
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case28
25***59Bracket As1
25***78Shield Group-Manifold1
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284-3147 Shield Gp-Manifold
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case24
28***47Shield Group-Manifold1
29***17Shield As-Manifold2
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267-1364 Shutoff Gp-Air -Intake Manifold
15***98Seal-O-Ring1
21***19Spring1
23***05Pin-Spring1
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267-1360 Shutoff Gp-Air -Intake Manifold
15***98Seal-O-Ring1
21***19Spring1
23***05Pin-Spring1
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284-3043 Shutoff Gp-Air -Intake Manifold
24***41Clamp-Band1
26***60Shutoff Group-Air; -Intake Manifold1
28***43Shutoff Group-Air; -Intake Manifold1
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299-8205 Shutoff Gp-Air -Intake Manifold
24***41Clamp-Band1
26***64Shutoff Group-Air; -Intake Manifold1
29***05Shutoff Group-Air; -Intake Manifold1
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255-8168 Shutoff Gp-Air -Intake Manifold
24***41Clamp-Band2
25***68Shutoff Group-Air; -Intake Manifold1
26***64Shutoff Group-Air; -Intake Manifold2
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234-5913 Support Gp-Aftercooler -Rear
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting2
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)1
21***23Brace1
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236-8766 Support Gp-Aftercooler -Rear
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)4
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***822
23***66Support Group-Aftercooler; (Rear Housing)1
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336-3763 Support Gp-Exhaust
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
33***63Support Group-Exhaust1
33***58Bracket4
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268-2878 Turbocharger Gp -Basic
13***02Clamp As; (Turbine)(Turbine)1
19***97Cartridge Group-Turbocharger1
26***78Turbocharger Group; -Basic1
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284-2965 Turbocharger Gp
28***65Turbocharger Group1
29***12Turbocharger Group2
2N***65Bolt-High Temperature; (3/8-16x1.75-In)8
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294-7412 Turbocharger Gp
14***04Housing (Turbine)1
19***58Cartridge Group-Turbocharger1
29***12Turbocharger Group1
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257-2702 Turbocharger Gp -Basic
25***02Turbocharger Group; -Basic1
26***78Turbocharger Group; -Basic4
2N***65Bolt-High Temperature; (3/8-16x1.75-In)16
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Basic Engine
267-7194 Adapter Gp-Auxiliary Drive
23***61Adapter1
23***62Coupling1
26***94Adapter Group-Auxiliary Drive1
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267-7192 Adapter Gp-Auxiliary Drive
23***55Adapter1
23***57Coupling1
26***92Adapter Group-Auxiliary Drive1
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260-8665 Adapter Gp-Flywheel
26***65Adapter Group-Flywheel1
26***12Bolt-12 Pt Head; (5/8-18x6.55-In)12
3G***56Washer-Special; (5.0mm Thk)12
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284-3136 Adapter Gp-Flywheel
01***07Bolt-Socket Head; (1/2-20x1-In)12
28***36Adapter Group-Flywheel1
4N***14Gear; (113-Teeth)(Flywheel Starter)1
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230-4659 Adapter Gp-Pump Drive
23***59Adapter Group-Pump Drive1
23***61Adapter1
23***62Coupling1
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266-8451 Adapter Gp-Pump Drive
26***51Adapter Group-Pump Drive1
26***52Adapter1
26***55Coupling1
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283-0751 Adapter Gp-Pump Drive
26***52Adapter1
26***55Coupling1
28***51Adapter Group-Pump Drive1
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230-4653 Adapter Gp-Pump Drive
23***53Adapter Group-Pump Drive1
23***55Adapter1
23***57Coupling1
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126-6110 Air Compressor Gp
12***10Air Compressor Group1
15***46Kit-Unloader; (Air Compressor)1
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326-2691 Air Compressor Gp
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
0S***56Bolt 4 1/4 In. (108 mm) --Front Support Assembly To Frame2
12***66Air Compressor Group1
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283-6395 Air Compressor Gp
0S***08Bolt-Support To Starting Engine Timing Gear Housing2
12***66Air Compressor Group1
13***71Sump-Compressor1
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122-8966 Air Compressor Gp
12***66Air Compressor Group1
15***46Kit-Unloader; (Air Compressor)1
2B***95Cap Screw--Tube Assembly To Air Inlet Pipe2
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226-4927 Base Gp-Valve Cover & Inj Harn
10***18Clip4
10***19Clip2
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
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223-6408 Base Gp-Valve Cover & Inj Harn
1A***79Capscrew (5/16 - 18 Nc X 1 1/2 Gd5, Hex)32
22***08Base Group-Valve Cover & Inj Harn1
22***27Base Group-Valve Cover & Inj Harn2
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320-7948 Base Gp-Valve Cover & Inj Harn
1A***79Capscrew (5/16 - 18 Nc X 1 1/2 Gd5, Hex)28
22***27Base Group-Valve Cover & Inj Harn2
23***59Stud; (5/16-18x2.36-In)4
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260-9307 Camshaft Gp
26***07Camshaft Group1
30***54Camshaft; (Right Bank)1
30***57Camshaft; (Left Bank)1
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260-9308 Camshaft Gp
26***08Camshaft Group1
30***53Camshaft; (Right Bank)1
30***58Camshaft; (Left Bank)1
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279-8839 Cover Gp-Access -Pto
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly1
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***461
23***37Seal-Integral1
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270-8542 Cover Gp-Access -Rear
06***55Seal-O-Ring (Id=47.22mm)1
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
22***38Seal-O-Ring2
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284-3038 Cover Gp-Camshaft
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)6
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)4
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly3
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254-8738 Cover Gp-Camshaft
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)4
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly3
0T***73Bolt (3/8) (63.5mm Long) (On Cab Of Cover Assem.)4
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320-5099 Cover Gp-Camshaft
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)4
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)4
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly3
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253-8267 Cover Gp-Camshaft
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)6
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)4
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly3
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238-6474 Cover Gp-Cylinder Block
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly7
23***37Seal-Integral1
23***74Cover Group-Cylinder Block1
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258-4475 Cover Gp-Cylinder Block
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
0T***73Bolt (3/8) (63.5mm Long) (On Cab Of Cover Assem.)3
23***37Seal-Integral1
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258-4476 Cover Gp-Cylinder Block
0T***73Bolt (3/8) (63.5mm Long) (On Cab Of Cover Assem.)3
23***71Seal-Integral1
25***76Cover Group-Cylinder Block1
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254-9940 Cover Gp-Cylinder Block
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly3
23***71Seal-Integral1
25***40Cover Group-Cylinder Block1
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249-0058 Cover Gp-Flywheel Housing
0S***85Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine2
22***76Cover1
24***58Cover Group-Flywheel Housing1
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267-7193 Cover Gp-Flywheel Housing
26***93Cover Group-Flywheel Housing1
28***55Seal-Integral1
2A***39Bolt,Machine Tube To Torque Converter And Tube To Oil Cooler2
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232-1077 Cover Gp-Flywheel Housing
1A***60Capscrew, Hex Head (1/2 - 13 X 2 G5); (Hex Head) (1/2-13x2 Gd 8 Z)2
23***77Cover Group-Flywheel Housing1
5P***45Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate)2
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255-8164 Cover Gp-Flywheel Housing
06***55Seal-O-Ring (Id=47.22mm)1
0S***66Bolt-Pulley To Crankshaft Adapter6
0S***85Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine2
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133-3089 Cover Gp-Flywheel Housing
0S***89Bolt, Hex. Hd., 5/8"-11 N.C. X 1 3/4"3
13***89Cover Group-Flywheel Housing1
4D***04Washer,Flat Cover Mtg,Accessory Drive3
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282-6845 Cover Gp-Flywheel Housing
28***45Cover Group-Flywheel Housing1
31***57Gasket1
5M***52Cover1
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267-7195 Cover Gp-Flywheel Housing
1A***60Capscrew, Hex Head (1/2 - 13 X 2 G5); (Hex Head) (1/2-13x2 Gd 8 Z)2
26***95Cover Group-Flywheel Housing1
5P***45Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate)2
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285-5866 Cover Gp-Flywheel Housing
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***462
23***37Seal-Integral2
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247-6393 Cover Gp-Flywheel Housing
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
13***16Cover1
24***93Cover Group-Flywheel Housing1
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283-0752 Cover Gp-Flywheel Housing
28***52Cover Group-Flywheel Housing1
5F***06Packing,Preformed Pump Mtg Part Of Kit P/N 5r***251
5P***47Washer (Bracket To Valve Support)2
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232-1076 Cover Gp-Flywheel Housing
23***76Cover Group-Flywheel Housing1
28***55Seal-Integral1
2A***39Bolt,Machine Tube To Torque Converter And Tube To Oil Cooler2
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280-2732 Cover Gp-Flywheel Housing
06***55Seal-O-Ring (Id=47.22mm)1
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter8
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly6
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127-5728 Cover Gp-Flywheel Housing
0S***89Bolt, Hex. Hd., 5/8"-11 N.C. X 1 3/4"3
12***28Cover Group-Flywheel Housing; (Flywheel Housing)1
4D***04Washer,Flat Cover Mtg,Accessory Drive3
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238-9863 Cover Gp-Front Housing
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)4
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly3
0T***73Bolt (3/8) (63.5mm Long) (On Cab Of Cover Assem.)4
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265-5831 Cover Gp-Oil Pan -Engine
0S***87Bolt-Bracket Assembly To Timing Gear4
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter3
10***39Plug-Drain; (Engine Oil Pan)1
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269-6543 Cover Gp-Oil Pan -Engine
0S***87Bolt-Bracket Assembly To Timing Gear2
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
10***39Plug-Drain; (Engine Oil Pan)1
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269-6960 Cover Gp-Oil Pan -Engine
06***58Seal-O-Ring; (Oil Pan Drain Plug)1
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
23***72Seal-Integral2
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269-6544 Cover Gp-Oil Pan -Engine
06***58Seal-O-Ring; (Oil Pan Drain Plug)1
0S***87Bolt-Bracket Assembly To Timing Gear2
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
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239-2252 Cover Gp-Valve Mechanism
21***28Washer-Isolator36
22***06Seal-Valve Cover; (Valve Cover)6
22***07Stud; (5/16-18-Thd)(Bolt)4
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300-4909 Cover Gp-Valve Mechanism
21***28Washer-Isolator36
22***06Seal-Valve Cover; (Valve Cover)6
22***07Stud; (5/16-18-Thd)(Bolt)5
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224-3250 Crankshaft Gp
22***35Gear-Crankshaft; (99-Teeth)1
22***50Crankshaft Group1
22***52Crankshaft As1
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230-7181 Cylinder Block As
22***65Sleeve4
22***66Sleeve1
23***81Cylinder Block As1
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324-6139 Cylinder Block As
15***09Seal-Liner12
15***10Seal-Liner12
15***93Seal-Liner12
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253-9883 Cylinder Block As
15***09Seal-Liner12
15***10Seal-Liner12
15***93Seal-Liner12
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253-9882 Cylinder Block Gp
21***28Stud; (3/8-16, 1/8-27x3.5-In)1
22***00Plate-Spacer2
24***43Washer; (12.45x22.35x1.82-mm Thk)14
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284-2787 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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284-8892 Cylinder Head Gp
15***23Valve; (Inlet)12
15***24Valve; (Exhaust)12
16***78Seal-Valve Stem; (Exhaust)24
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284-8891 Cylinder Head Gp
10***92Stud-Taperlock; (3/8-16x3.93in)24
10***73Fastener Group-Cylinder Head; (Marked X)20
12***54Bolt-12 Point Head; (3/4-16x8.5-In)1
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284-8895 Cylinder Head Gp
10***92Stud-Taperlock; (3/8-16x3.93in)24
10***73Fastener Group-Cylinder Head; (Marked X)20
12***54Bolt-12 Point Head; (3/4-16x8.5-In)1
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253-8210 Damper & Pulley Gp
13***80Bolt; (5/8-18x5.5-In)8
1A***60Capscrew, Hex Head (1/2 - 13 X 2 G5); (Hex Head) (1/2-13x2 Gd 8 Z)12
21***99Damper As1
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283-6422 Damper Gp
13***80Bolt; (5/8-18x5.5-In)8
1F***58Nut-Full; (1/2-13-Thd)(Air Lines)12
21***99Damper As1
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234-1579 Damper Gp
10***26Dowel1
23***79Damper Group1
9X***72Bolt-Locking; (3/8-16x0.875-In)16
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299-3506 Damper Gp
0V***75Screw,Cap,Hexagon H Shaft Mtg,Accessory Drive12
13***80Bolt; (5/8-18x5.5-In)8
21***99Damper As1
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230-4641 Drive Gp-Accessory
1B***67Ball Bearing1
1J***74Ring-Retaining1
22***19Gear; (44-Teeth)1
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267-7191 Drive Gp-Accessory
1B***67Ball Bearing1
1J***74Ring-Retaining1
22***19Gear; (44-Teeth)1
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283-6397 Drive Gp-Fan
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case6
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
1B***74Plug,Pipe Base Assembly,Engine Oil Filter Assembly1
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295-4346 Fastener Gp-Coupling
29***46Fastener Group-Coupling1
8M***30Bolt-12 Point Head (1/2-13x1.25in); (1/2-13x1.25-In)16
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280-7423 Fastener Gp-Engine
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender1
28***23Fastener Group-Engine1
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236-8820 Fastener Gp-Front Housing
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)2
23***20Fastener Group-Front Housing1
5M***94Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler2
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269-0310 Flywheel Gp
13***80Bolt; (5/8-18x5.5-In)12
26***10Flywheel Group1
4D***04Washer,Flat Cover Mtg,Accessory Drive12
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288-4811 Flywheel Gp
27***96Flywheel As1
28***11Flywheel Group1
3G***56Washer-Special; (5.0mm Thk)12
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228-0051 Flywheel Gp
1N***25Bolt-12 Point Head; (5/8-18x6.75-In)12
22***51Flywheel Group1
3G***56Washer-Special; (5.0mm Thk)12
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235-0993 Gear Gp-Front
03***85Bolt 5t***57 Plate As To Fuel Pump Group6
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case2
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting1
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224-1213 Gear Gp-Rear
03***85Bolt 5t***57 Plate As To Fuel Pump Group6
10***65Plate-Thrust1
10***61Plate-Thrust; (Camshaft)2
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4n-9680 Governor Gp-Air Compressor
2K***98Seal-O-Ring1
2S***23Cover As; (Governor)1
4N***80Governor Group-Air Compressor1
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7e-4832 Governor Gp-Air Compressor
1D***40Bolt,Machine Fuel Filter Mounting2
4N***80Governor Group-Air Compressor1
5F***34Valve As-Vent; (Governor Air Compressor)1
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263-5258 Guard Gp-Damper
26***57Guard1
26***58Guard Group-Damper1
26***17Spacer; (10.5x20x71-mm Thk)2
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285-6085 Housing Gp-Flywheel
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender16
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***462
22***42Gasket; (Flywheel Housing)1
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284-3098 Housing Gp-Flywheel
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender16
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***462
22***42Gasket; (Flywheel Housing)1
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271-4496 Housing Gp-Flywheel
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender24
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***462
14***68Seal-Crankshaft; (Rear)(Flywheel Housing)1
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239-3646 Housing Gp-Flywheel
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender24
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***462
22***42Gasket; (Flywheel Housing)1
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284-3040 Housing Gp-Flywheel
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender16
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***462
22***42Gasket; (Flywheel Housing)1
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238-9862 Housing Gp-Front
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)4
21***27Gasket; (Cylinder Block)1
23***60Dowel2
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233-2462 Housing Gp-Rear
03***46Elbow, 90 Deg Adj., 1/4in. J.I.C. X 7/16in.-14 Str. Thd.1
05***94Bolt-12 Point Head; (3/8-16x1.75-In)2
06***39Seal-O-Ring1
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235-2014 Lifting Gp-Engine
23***50Eye As-Lifting1
23***61Eye-Lifting1
23***14Lifting Group-Engine1
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283-6413 Lines Gp-Air Compressor
03***95Connector-Flared1
03***69Elbow-Flared; (1/2-14 Nptf)1
1F***50Nut Rops Support1
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307-8228 Lines Gp-Air Compressor
03***89Connector-Flared1
03***95Connector-Flared1
03***69Elbow-Flared; (1/2-14 Nptf)1
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336-3756 Lines Gp-Air Compressor
03***69Elbow-Flared; (1/2-14 Nptf)1
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly1
0S***08Bolt-Support To Starting Engine Timing Gear Housing1
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260-9631 Mechanism Gp-Fuel Pump & Valve
26***31Mechanism Group-Fuel Pump & Valve1
32***93Rocker Arm Group; -Valve6
33***62Bolt-12 Point Head; (1/2-13x88.9-mm)24
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283-6391 Mounting Gp-Alternator
0S***23Bolt (.50 In. Diameter)1
22***93Guard As-Alternator1
26***28Bracket1
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285-6421 Mounting Gp-Alternator
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case1
0S***23Bolt (.50 In. Diameter)1
1A***64Bolt (4.75 In. Long-Location "B")2
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266-0326 Mounting Gp-Alternator
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case1
1A***64Bolt (4.75 In. Long-Location "B")2
26***26Mounting Group-Alternator1
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308-3410 Pan Gp-Oil -Engine
2P***03Bolt-Washer Head; (3/8-16x1.25-In)40
30***10Pan Group-Oil; -Engine1
6N***96Gasket-Oil Pan1
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269-8342 Pan Gp-Oil -Engine
26***42Pan Group-Oil; -Engine1
2P***03Bolt-Washer Head; (3/8-16x1.25-In)40
6N***96Gasket-Oil Pan1
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4n-2647 Pan Gp-Oil -Engine
2P***03Bolt-Washer Head; (3/8-16x1.25-In)40
4N***47Pan Group-Oil; -Engine1
6N***96Gasket-Oil Pan1
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239-6144 Piston & Rod Gp
15***56Bolt-Special; (Oil Jet)1
18***50Pin-Piston1
21***17Bolt; (Mj11x1.25x84-mm)4
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213-4835 Piston & Rod Gp
15***56Bolt-Special; (Oil Jet)1
18***50Pin-Piston1
18***03Ring-Piston; (Intermediate)1
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258-4477 Plug Gp-Cylinder Block
13***27Seal-O-Ring; (19.18mm Id Base Side)5
25***77Plug Group-Cylinder Block1
7W***34Plug-Pipe (3/8-18 Nptf Thd)4
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306-7141 Plug Gp-Cylinder Block
13***27Seal-O-Ring; (19.18mm Id Base Side)5
30***41Plug Group-Cylinder Block1
7W***34Plug-Pipe (3/8-18 Nptf Thd)4
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284-3118 Plug Gp-Cylinder Block
13***27Seal-O-Ring; (19.18mm Id Base Side)6
28***18Plug Group-Cylinder Block1
7W***34Plug-Pipe (3/8-18 Nptf Thd)4
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223-6407 Plug Gp-Cylinder Head
22***07Plug Group-Cylinder Head1
3B***45Plug Flywheel Housing Turbocharger Drain Hole4
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279-6022 Plug Gp-Cylinder Head
27***22Plug Group-Cylinder Head1
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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279-6020 Plug Gp-Cylinder Head
27***20Plug Group-Cylinder Head1
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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279-6021 Plug Gp-Cylinder Head
27***21Plug Group-Cylinder Head1
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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279-6023 Plug Gp-Cylinder Head
27***23Plug Group-Cylinder Head1
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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301-5349 Rocker Arm Gp
30***49Rocker Arm Group1
30***50Rocker Arm Group2
30***52Rocker Arm Group; -Unit Injector2
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320-2793 Rocker Arm Gp -Valve
30***52Rocker Arm Group; -Unit Injector2
31***85Shaft As-Rocker Arm1
32***93Rocker Arm Group; -Valve1
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320-2794 Rocker Arm Gp -Exhaust
25***21Button1
27***91Screw-Arm Adjustment; (3/8-24x1.20-In)1
27***17Nut; (3/8-24-Thd)1
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301-5352 Rocker Arm Gp -Unit Injector
06***39Seal-O-Ring1
19***51Button; (24-mm Od)1
19***69Screw-Arm Adjustment; (9/16-18x2-In)1
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301-5350 Rocker Arm Gp
25***21Button1
27***91Screw-Arm Adjustment; (3/8-24x1.20-In)1
27***17Nut; (3/8-24-Thd)1
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342-6643 Rocker Arm Gp -Valve
30***52Rocker Arm Group; -Unit Injector2
31***85Shaft As-Rocker Arm1
32***94Rocker Arm Group; -Exhaust4
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301-5354 Rocker Arm Gp -Valve
25***21Button1
27***91Screw-Arm Adjustment; (3/8-24x1.20-In)1
27***17Nut; (3/8-24-Thd)1
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280-8043 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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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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319-7401 Seal Gp-Crankshaft -Front
14***67Seal Group-Crankshaft; (Front)1
31***01Seal Group-Crankshaft; -Front1
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319-0785 Seal Gp-Crankshaft -Rear
14***68Seal-Crankshaft; (Rear)(Flywheel Housing)1
31***85Seal Group-Crankshaft; -Rear1
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263-4932 Support Gp-Brace
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)6
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***822
15***78Spacer; (13.8x25x20-mm Thk)4
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320-7950 Support Gp-Brace
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)4
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***821
23***07Support-Housing; (Rear, Rh)1
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320-7949 Support Gp-Brace
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)6
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***821
15***78Spacer; (13.8x25x20-mm Thk)4
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7e-6385 Support Gp-Engine
0S***66Bolt-Pulley To Crankshaft Adapter4
4D***04Washer,Flat Cover Mtg,Accessory Drive4
4N***84Support-Front Engine1
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255-8163 Trunnion Gp-Engine
0S***73Bolt (102mm Long); (1/2-13x4-In)8
1W***14Adapter As1
25***63Trunnion Group-Engine1
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179-7086 Trunnion Gp-Engine
0S***73Bolt (102mm Long); (1/2-13x4-In)8
17***86Trunnion Group-Engine1
1W***14Adapter As1
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Cooling System
9n-3382 Filter Gp-Coolant
9N***67Coolant Conditioner Element As (Pre - Charge); (Use When System Drained And Refilled)1
9N***68Coolant Conditioner Element As (Maintenance); (For Routine Replacement - System Not Drained)1
9N***82Coolant Conditioner Group1
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4w-0419 Core Gp-Oil Cooler -Transmission
4W***19Core Group-Oil Cooler; -Transmission1
5M***14Pipe Plug Cylinder Block Oil Pressure2
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307-2256 Cover Gp -Cylinder Block
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
2S***50Cover1
30***56Cover Group; -Cylinder Block1
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279-6017 Elbow Gp-Water
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
20***10Seal-O-Ring1
23***53Elbow1
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279-6016 Elbow Gp-Water
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
20***10Seal-O-Ring1
23***53Elbow1
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133-3698 Flange Gp-Oil Cooler
13***98Flange Group1
1A***60Capscrew, Hex Head (1/2 - 13 X 2 G5); (Hex Head) (1/2-13x2 Gd 8 Z)8
5H***47Gasket2
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336-3753 Lines Gp-Coolant
12***37Clip-Loop1
2Y***29Nut-Hard; (M10 X 1.5)1
33***53Lines Group-Coolant1
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255-8167 Lines Gp-Water
03***37Spacer; (10.93x19.05x25.4-mm Thk)1
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender1
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting1
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291-3000 Lines Gp-Water
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender1
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting1
0S***87Bolt-Bracket Assembly To Timing Gear5
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291-2999 Lines Gp-Water
03***37Spacer; (10.93x19.05x25.4-mm Thk)1
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender1
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting1
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266-0325 Lines Gp-Water
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender1
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting1
0S***87Bolt-Bracket Assembly To Timing Gear5
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308-3409 Plug Gp-Water Lines
30***09Plug Group-Water Lines1
6V***63Seal-O-Ring (Id=23.47mm)1
9S***08Plug-O-Ring; (Coolant Temperature Regulator)1
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306-7120 Plug Gp-Water Lines
30***20Plug Group-Water Lines1
6V***63Seal-O-Ring (Id=23.47mm)1
9S***08Plug-O-Ring; (Coolant Temperature Regulator)1
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216-0657 Pump Gp-Water
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***821
10***30Bearing As-Roller1
11***21Plug-Felt; (Water Pump Housing)1
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230-4172 Pump Gp-Water
1A***29Bolt (1-1/8") Tube Assembly To Transfer Drive Case1
21***57Pump Group-Water1
23***72Pump Group-Water1
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338-3892 Radiator Gp
336-3764 Radiator Gp
0L***78Bolt,Machine Governor And Decelerator Control4
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter2
2J***06Nut Front Support To Frame; Nut-Front Support To Frame4
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Electrical And Starting System
316-7251 Alternator Gp-Charging
10***31Fan-Alternator; (11-Blade)1
18***34Nut-Flange; (5/8-18-Thd)1
1H***44Lockwasher (Bracket To Cab)2
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197-8820 Alternator Gp-Charging -24-Volt, 95-Ampere
18***38Collar2
18***39Fan As; (Alternator)1
18***44Coil Assem.1
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200-8277 Alternator Gp-Charging
10***31Fan-Alternator; (11-Blade)1
18***34Nut-Flange; (5/8-18-Thd)1
1H***44Lockwasher (Bracket To Cab)2
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346-3779 Box Gp-Control
15***23Hinge As2
32***51Box As1
33***85Latch As1
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346-3778 Box Gp-Control
15***23Hinge As2
32***52Box As1
33***85Latch As1
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240-6054 Connection Gp-Electrical
12***67Pin-Connector; (14-Ga To 16-Ga)(14-Ga Wire)3
13***67Pin-Connector; (16-Ga To 18-Ga)1
13***69Connector-Socket; (16-Ga To 18-Ga)(40 Pin Connector)1
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239-1466 Connection Gp-Electrical -Battery Charger
23***66Connection Group-Electrical; -Battery Charger1
3B***15Bolt Guard Assembly To Accessory Drive Housing1
5M***94Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler1
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241-0072 Control & Mtg Gp-Engine Elek
22***16Spacer; (5/16-18x1.75-In)4
22***09Bracket1
23***93Bolt-Flange Head; (M6x1x35-mm)1
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239-7904 Control Gp-Engine Electronic
23***04Control Group-Engine Electronic1
27***57Control Group-Electronic1
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273-3750 Electronics Gp-Power Train
27***50Electronics Group-Power Train1
33***02Software Group-Power Train1
33***03Service Group-Power Train1
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329-3333 Electronics Gp-Power Train
32***33Electronics Group-Power Train1
33***53Software Group-Power Train1
33***54Service Group-Power Train1
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131-5526 Fastener Gp-Wiring Harness
11***13Bracket As1
13***26Fastener Group-Wiring Harness; -Ecm Harness1
4M***00Stud-Weld; (3/8-16x1.5-In)1
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240-4574 Fastener Gp-Wiring Harness
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case1
20***99Clip1
24***64Block-Mounting1
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242-7248 Harness As-Engine
11***62Tube-Heat Shrink; (10.85-mm Dia)(299-cm)0
12***75Tube-Heat Shrink; (7.44-mm Dia)(560-cm)0
12***74Cover-Connector; (Wire Router)1
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7w-3354 Sensor Gp-Speed
2W***18Sensor Group-Speed; -Engine Timing1
5P***48Washer--Bracket To L.H. Support Rail1
7W***54Magnetic Pickup Group1
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274-8068 Module Gp-Interface
279-6027 Mounting Gp-Circuit Breaker
03***93Screw-Machine; (10-32x19.05-mm)2
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case2
15***38Bracket1
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238-8306 Sensor Gp-Engine
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case1
12***35Plug-Felt; (Unit Injector Hydraulic Pump)1
13***00Clip; (Tab)1
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239-9957 Sensor Gp-Liquid Level
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
18***35Pin-Connector; (16-Ga To 18-Ga)3
23***57Sensor Group-Liquid Level; -Coolant Loss1
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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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239-2396 Sensor Gp-Pressure
19***25Sensor Group-Pressure; -Engine Oil1
23***96Sensor Group-Pressure; -Engine Oil, Fuel1
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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240-2035 Sensor Gp-Pressure
19***24Sensor Group-Pressure; -Air Inlet Manifold1
24***35Sensor Group-Pressure; -Intake Manifold Air1
6V***48Seal--O-Ring--To Governor Drive Housing1
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239-2395 Sensor Gp-Pressure
19***22Sensor Group-Pressure; -Atmospheric Air1
23***95Sensor Group-Pressure; -Atmospheric Air1
6V***49Seal-O-Ring (Id=11.89mm); (11.89-mm Id)1
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134-0670 Control Gp-Engine Speed
13***70Sensor Group-Rotary Position; -Throttle1
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183-8597 Sensor Gp-Speed
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
17***49Strap; (Marker)1
18***97Sensor Group-Speed; -Transmission Output1
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189-5746 Sensor Gp-Speed
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
14***36Pin-Connector; (14-Ga To 18-Ga)2
17***49Strap; (Marker)1
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2w-8918 Sensor Gp-Speed
17***49Strap; (Marker)1
2W***18Sensor Group-Speed; -Engine Timing1
7N***79Socket-Governor Solenoid Wire To Housing1
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230-7149 Sensor Gp-Speed
20***15Sensor Group-Speed; -Low Output1
22***47Seal-O-Ring1
23***49Sensor Group-Speed; -Crankshaft Speed-Timing, Crankshaft1
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4p-5820 Sensor Gp-Speed
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)2
17***49Strap; (Marker)1
18***35Pin-Connector; (16-Ga To 18-Ga)2
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201-6615 Sensor Gp-Speed
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
12***67Pin-Connector; (14-Ga To 16-Ga)(14-Ga Wire)2
15***70Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness)1
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239-2397 Sensor Gp-Speed
20***16Sensor Group-Speed; -Torque Converter Output1
22***47Seal-O-Ring1
23***97Sensor Group-Speed; -Timing, Camshaft1
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197-8391 Sensor Gp-Temperature
13***11Sensor Group-Temperature; (Transmission Lubrication Oil)1
13***45Pad; (Connector)1
19***91Sensor Group-Temperature; -Air Inlet Manifold1
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197-8392 Sensor Gp-Temperature
13***11Sensor Group-Temperature; (Transmission Lubrication Oil)1
13***45Pad; (Connector)0
19***92Sensor Group-Temperature; -Coolant, Water1
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234-5013 Sensor Gp-Temperature
23***13Sensor Group-Temperature; -Air Inlet Manifold1
23***80Seal-O-Ring1
25***53Sensor As-Temperature; (Torque Converter Outlet Oil)1
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134-2252 Sensor Gp-Temperature
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
13***52Sensor Group-Temperature; -Transmission Oil-Xmsn, Torque Converter1
18***35Pin-Connector; (16-Ga To 18-Ga)3
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6v-0885 Starting Motor Gp-Electric
03***21Shim Lever Housing1
03***23Bolt; (1/4-28x1-In)13
04***65Screw 19.05 mm(.750 In.) Long4
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7n-1059 Starting Motor Gp-Electric
10***28Wire As1
4H***69Gasket Starter Mtg Part Of Kit P/N 5r***251
6V***85Starting Motor Group-Electric; -Cold Weather1
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237-1962 Starting Motor Gp-Electric
03***21Shim Lever Housing1
04***65Screw 19.05 mm(.750 In.) Long4
0S***97Capscrew (1/4 - 28 Nf X 1 Gd8, Hex)13
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4n-1061 Starting Motor Gp-Electric
23***62Starting Motor Group-Electric1
4N***59Gasket; (Starting Motor)1
4N***61Starting Motor Group-Electric1
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164-7577 Switch Gp-Bypass -Oil Filter
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
16***77Switch Group-Bypass; -Xmsn Lubrication Supply Filter-Xmsn Lubrication Charge Filter-Hoist Screen-Tc, Front Brake Cooling-Transmission Oil Filter-Rear Axle Oil Filter1
18***35Pin-Connector; (16-Ga To 18-Ga)2
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209-5582 Switch Gp-Magnetic -24-Volt
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
20***82Switch Group-Magnetic; -Starting Aid Heater Relay-Air Inlet Heater Relay1
3F***56Lockwasher; (8.43x15.5x0.76mm Thk)2
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241-8372 Switch Gp-Magnetic
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
18***35Pin-Connector; (16-Ga To 18-Ga)2
20***82Switch Group-Magnetic; -Starting Aid Heater Relay-Air Inlet Heater Relay1
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275-1253 Switch Gp-Pressure -Fuel Filter
14***36Pin-Connector; (14-Ga To 18-Ga)2
23***11Plug As-Connector; (2-Pin)1
26***29Seal-Connector; (3-cm)1
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258-0883 Switch Gp-Pressure -Fuel
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
18***35Pin-Connector; (16-Ga To 18-Ga)2
25***83Switch Group-Pressure; -Fuel Filter, Differential-Fuel Filter1
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319-8960 Wiring Gp-Electronic Control
06***51Clamp1
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)3
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317-8005 Wiring Gp-Electronic Control
06***51Clamp1
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case2
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter1
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278-5672 Wiring Gp-Electronic Control
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case1
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter2
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
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238-8294 Wiring Gp-Engine Electronic
06***51Clamp1
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case1
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
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274-3809 Wiring Gp-Transmission
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)2
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)2
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
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Enclosures, Guards And Bases
336-3760 Base Gp-Engine
0L***78Bolt,Machine Governor And Decelerator Control4
0S***27Bolt -114.30 mm(4.50 In.) Long2
1J***57Bolt (2" Long)4
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306-6504 Guard Gp-Engine
15***52Pin-Clevis4
21***93Shield As1
30***04Guard Group-Engine1
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Engine Arrangement
252-0150 Engine Ar-Core
11***80Pump Group-Engine Oil1
11***83Fastener Group-Oil Pump Mounting; -Engine1
22***08Base Group-Valve Cover & Inj Harn1
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332-9388 Engine Ar-Core
11***80Pump Group-Engine Oil1
11***83Fastener Group-Oil Pump Mounting; -Engine1
21***35Piston & Rod Group12
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325-5986 General Ar
32***86General Ar1
32***07Transmission Ar1
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339-2046 Installation Ar
23***57Sensor Group-Liquid Level; -Coolant Loss1
28***97Coupling Group-Flexible1
29***46Fastener Group-Coupling1
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Fuel System
202-7956 Filter Gp-Water Sep & Fuel
12***91Base As1
17***18Filter Group-Water Sep & Fuel; -Primary1
20***56Filter Group-Water Sep & Fuel1
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176-5618 Filter Gp-Water Sep & Fuel
17***18Filter Group-Water Sep & Fuel; -Primary1
22***78Seal-Ring; (Fuel And Water Sep Filter)1
32***42Filter As-Water Sep & Fuel1
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336-3755 Lines Gp-Fuel
03***89Connector-Flared2
12***66Spacer; (11x32x24-mm Thk)1
2P***78Union- Tube Assembly To Upper Frame1
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266-0344 Lines Gp-Fuel Filter
00***62Elbow (To Primary Filter Base)1
03***37Connector-Port4
03***42Elbow Hose Assembly To1
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318-4841 Lines Gp-Fuel Filter
03***43Adapter - 45 Degrees - 8 Valve Ports P, T, C1, C21
09***35Spacer; (11x22x5-mm Thk)2
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender4
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255-8162 Lines Gp-Fuel Filter -Water Separator
03***49Elbow; (90 Degree, 37 Degree Flared)1
1S***94Clip-R.H. Side Engine Support1
20***56Filter Group-Water Sep & Fuel1
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318-4842 Lines Gp-Fuel Filter
03***49Elbow; (90 Degree, 37 Degree Flared)1
20***56Filter Group-Water Sep & Fuel1
31***73Tube As1
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223-6421 Pump & Mtg Gp-Fuel Transfer
22***21Pump & Mtg Group-Fuel Transfer1
33***35Pump Group-Fuel Transfer1
3B***15Bolt Guard Assembly To Accessory Drive Housing2
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261-0048 Pump Gp-Fuel Injection
10***72Spacer; (9.8x15.85x37.6-mm Thk)1
23***28Seal-O-Ring; (32.99mm Id)1
23***75Seal-O-Ring; (36.09mm Id)1
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235-1401 Pump Gp-Fuel Injection
10***72Spacer; (9.8x15.85x37.6-mm Thk)1
23***28Seal-O-Ring; (32.99mm Id)1
23***75Seal-O-Ring; (36.09mm Id)1
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331-3635 Pump Gp-Fuel Transfer
22***42Gear-Fuel Pump; (16-Teeth)1
33***35Pump Group-Fuel Transfer1
33***83Kit-Spring1
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286-2531 Pump Gp-Fuel Transfer
22***42Gear-Fuel Pump; (16-Teeth)1
28***31Pump Group-Fuel Transfer1
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242-5174 Pump Gp-Fuel Transfer
22***42Gear-Fuel Pump; (16-Teeth)1
24***74Pump Group-Fuel Transfer1
24***06Pump Group-Fuel Transfer1
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228-7381 Valve Gp-Check -Fuel
03***33Seal-O-Ring; (12.42mm Id)1
22***81Valve Group-Check; -Fuel1
6V***89Seal-O-Ring (Id=19.18mm)1
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139-6873 Valve Gp-Fuel Bypass -Filter
13***73Valve Group-Fuel Bypass; -Filter1
9X***37Seal-O-Ring1
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Hydraulic System
336-3762 Pump Gp-Hydraulic
11***01Seal (Rear Pump To Center Pump)1
17***95Pump Group-Piston; -Steering1
2S***93Washer- 5mm (.196 In.) Thick2
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178-5195 Pump Gp-Piston
09***05Bolt-Socket Head; (M14x2x40-mm)4
10***79Cone-Bearing1
12***27Piston-Control1
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196-0227 Rotating Gp-Pump
16***79Pin3
19***19Plate1
19***25Plate1
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184-5173 Valve Gp-Pump Control -Pressure, Flow Compensator
03***43Seal-O-Ring1
10***45Valve-Orifice; (Hydraulic Oil Check)1
18***73Valve Group-Pump Control; -Pressure, Flow Compensator-Steering Pump1
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Lubrication System
264-1491 Base As-Oil Filter -Engine
26***91Base As-Oil Filter; -Engine1
2P***04Stud-Hollow; (1.5-16x1.339-In)2
6V***48Seal--O-Ring--To Governor Drive Housing1
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119-8583 Fastener Gp-Oil Pump Mounting -Engine
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender1
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***462
11***83Fastener Group-Oil Pump Mounting; -Engine1
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242-8908 Filler Gp-Engine Oil
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter1
1A***29Bolt (1-1/8") Tube Assembly To Transfer Drive Case1
24***08Filler Group-Engine Oil1
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242-8907 Filler Gp-Engine Oil
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter1
1A***29Bolt (1-1/8") Tube Assembly To Transfer Drive Case1
24***07Filler Group-Engine Oil1
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266-8982 Filler Gp-Engine Oil
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter3
1A***29Bolt (1-1/8") Tube Assembly To Transfer Drive Case1
23***72Seal-Integral1
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4n-2357 Filter Gp-Engine Oil
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting4
1R***08Filter As-Engine Oil; (Advanced Efficiency)(High Efficiency)2
2P***03Base As-Oil Filter; (Engine)2
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9y-1911 Filter Gp-Engine Oil
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly5
1P***67Plunger; (Engine Oil Cooler Relief Valve)1
1R***08Filter As-Engine Oil; (Advanced Efficiency)(High Efficiency)2
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264-1492 Filter Gp-Engine Oil
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case1
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly10
1R***08Filter As-Engine Oil; (Advanced Efficiency)(High Efficiency)2
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284-3099 Fumes Disposal Gp
03***12Screw-Forming; (10-24x0.5-In)6
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly1
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280-2733 Fumes Disposal Gp
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly1
11***17Clip1
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258-4471 Fumes Disposal Gp
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly1
11***17Clip1
17***81Plate1
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284-3100 Fumes Disposal Gp
03***12Screw-Forming; (10-24x0.5-In)6
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter4
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly1
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280-7422 Gauge Gp-Oil Level (Dipstick) -Engine
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold1
0T***65Bolt--3/8" X 3 1/2"--Use As Required; Bolt 5t***56 Plate To Cover Gp 4n***722
11***68Seal-O-Ring; (15.54mm Id)1
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261-4488 Gauge Gp-Oil Level (Dipstick) -Engine
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold1
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)1
0S***08Bolt-Support To Starting Engine Timing Gear Housing1
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280-2735 Gauge Gp-Oil Level (Dipstick) -Engine
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)1
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***461
11***68Seal-O-Ring; (15.54mm Id)1
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8n-3036 Lines Gp-Engine Oil -Lh Mounted Filter
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)1
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case1
0S***90Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As)1
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131-3915 Lines Gp-Engine Oil
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold1
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case2
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting1
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130-5475 Lines Gp-Engine Oil
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold3
0L***70Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case5
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting1
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266-8981 Lines Gp-Engine Oil Filter
06***40Seal-O-Ring (Id=37.69mm)4
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 Converter4
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284-3041 Lines Gp-Turbocharger Oil -Rear
11***87Seal-O-Ring (23.16 mm Id)2
11***27Seal-O-Ring; (19.18mm Id)2
12***02Seal-Integral2
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253-8268 Lines Gp-Turbocharger Oil -Front
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter2
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***824
12***02Seal-Integral2
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253-8269 Lines Gp-Turbocharger Oil -Rear
0L***43Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender4
0S***85Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine2
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter2
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116-1980 Pump Gp-Engine Oil
10***82Shaft As-Pump Drive1
10***73Shaft As-Idler1
11***79Body As-Oil Pump1
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Operator Station
298-3860 Control Gp-Transmission -Keypad Shifter
26***30Bracket-Mounting2
29***60Control Group-Transmission; -Keypad Shifter1
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239-5025 Control Gp-Unprgmed Monitor -Messenger
12***12Screw-Pan Head; (8-16x0.32-In)1
23***24Control Group-Monitor; (Messenger)1
23***25Control Group-Unprgmed Monitor; -Messenger1
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275-2081 Gauge Gp-Coolant Temperature -Engine
27***81Gauge Group-Coolant Temperature; -Engine1
4B***43Nut,Plain,Hexagon Plate Mtg2
6V***07Seal-Rectangular1
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275-2096 Gauge Gp-Engine Oil Pressure
27***96Gauge Group-Engine Oil Pressure1
4B***43Nut,Plain,Hexagon Plate Mtg2
6V***07Seal-Rectangular1
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301-3081 Module Gp-Display -Messenger
23***25Control Group-Unprgmed Monitor; -Messenger1
30***81Module Group-Display; -Messenger1
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335-4026 Panel Gp-Instrument
09***42Screw; (Machine) (M6x1.0x16mm)2
09***66Washer; (Hard) (4.5x9x1mm Thk)2
10***41Terminal-Receptacle; (18-Ga To 20-Ga)2
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335-4027 Panel Gp-Instrument
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
10***07Switch-Operator; (Secondary Stop Push Button)1
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353-4576 Panel Gp-Instrument -24-Volt
32***48Harness As-Panel1
32***50Harness As-Platform1
33***26Panel Group-Instrument1
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275-2103 Tachometer Gp-Electric
27***03Tachometer Group-Electric1
4B***43Nut,Plain,Hexagon Plate Mtg2
9B***33Lockwasher; (Int'L Tooth)2
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Prime Package
336-3759 Mounting Gp-Engine & Xmsn
13***05Isolator4
1B***67Bolt, Hex. Hd., 5/8"-11 N.C. X 3"8
1D***09Bolt 6.99 cm(2.75 In.) Long8
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Service Equipment And Supplies
6l-4502 Chart-Plate & Film
11***52Plate & Film Group; -Engine Information1
22***81Film-Warning; -Universal2
3N***69Tag-Instruction; (Engine Prestart)(English And Spanish)1
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338-8904 Kit-Pump Drive
9w-1494 Kit-Service Meter
11***05Film-Identification; (Service Meter)1
19***32Meter Group-Service1
20***19Wire As1
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274-3829 Plate & Film Gp
22***81Film-Warning; -Universal1
27***29Plate & Film Group1
7E***81Plate-Identification; (Caterpillar)(New Tm)1
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256-9739 Plate Gp-Engine Identification
23***03Plate-Identification; (C32 Acert)2
23***04Plate-Stripe1
23***05Plate-Identification; (Cat)2
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Transmission
249-2304 Base Gp-Oil Filter -Power Train
13***98Spring1
16***77Switch Group-Bypass; -Xmsn Lubrication Supply Filter-Xmsn Lubrication Charge Filter-Hoist Screen-Tc, Front Brake Cooling-Transmission Oil Filter-Rear Axle Oil Filter1
24***04Base Group-Oil Filter; -Transmission1
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333-9310 Base Gp-Oil Filter -Power Train
16***77Switch Group-Bypass; -Xmsn Lubrication Supply Filter-Xmsn Lubrication Charge Filter-Hoist Screen-Tc, Front Brake Cooling-Transmission Oil Filter-Rear Axle Oil Filter1
33***10Sealing Washer, Base Group-Oil Filter; -Transmission1
33***79Spring1
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274-3804 Case & Parts Gp-Planetary
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case26
0S***17Bolt --Use Open Hole In Compressor Body10
0T***72Bolt; 7/16" Diameter X 1 1/2" Length Generator To Engine8
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274-3806 Control Gp-Transmission Hyd
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
13***00Clip; (Tab)1
13***89Clip; (Ladder)4
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284-9297 Coupling Gp-Flexible
11***13Bolt-Hex Head; (M16x2x70mm)12
27***44Coupling As1
28***80Washer; (16.3x31.5x1.75-mm Thk)12
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312-4726 Coupling Gp-Flexible
11***13Bolt-Hex Head; (M16x2x70mm)12
27***44Coupling As1
28***80Washer; (16.3x31.5x1.75-mm Thk)12
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261-3053 Cover Gp-Shipping
1F***58Nut-Full; (1/2-13-Thd)(Air Lines)6
26***53Cover Group-Shipping1
26***98Cover-Shipping1
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274-3827 Cover Gp-Shipping
274-3822 Drive Gp-Pump
26***49Gear Group-Idler; -Auxiliary Pump1
27***22Drive Group-Pump1
27***31Gear Group-Idler1
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244-0121 Filter Gp-Oil -Transmission
13***29Seal-O-Ring1
1R***09Filter Element-Oil; (Ultra High Efficiency)(Power Train)1
21***68Seal-O-Ring; (11.89-mm Id)1
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333-6434 Filter Gp-Oil
13***29Seal-O-Ring1
21***68Seal-O-Ring; (11.89-mm Id)2
32***67Housing Group-Filter1
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274-3831 Gear Gp-Idler
26***96Shaft1
26***98Spacer; (40.31x54.36x2.79-mm)1
27***31Gear Group-Idler1
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261-3049 Gear Gp-Idler -Auxiliary Pump
0T***20Bolt (1.25 In. Long X .438 In. Dia.)8
11***24Washer; (12.2x16x3-mm Thk)10
18***69Gasket1
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276-9930 Gear Gp-Transfer
1T***43Ball Bearing1
26***84Shaft1
27***30Gear Group-Transfer1
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274-3802 Housing Gp-Torque Converter
0L***78Bolt,Machine Governor And Decelerator Control11
0S***87Bolt-Bracket Assembly To Timing Gear4
0T***65Bolt--3/8" X 3 1/2"--Use As Required; Bolt 5t***56 Plate To Cover Gp 4n***723
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336-3752 Lines Gp-Power Train Oil
06***40Seal-O-Ring (Id=37.69mm)2
06***55Seal-O-Ring (Id=47.22mm)10
0S***85Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine8
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274-3801 Planetary Gp-Transmission
09***42Ring-Retaining1
0L***52Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex)3
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case8
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276-9940 Pump Gp-Gear
03***31Seal-O-Ring1
0S***95Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard4
0T***72Bolt; 7/16" Diameter X 1 1/2" Length Generator To Engine8
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273-6501 Torque Converter Gp
0S***89Bolt, Hex. Hd., 5/8"-11 N.C. X 1 3/4"24
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly8
0S***95Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard12
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312-4324 Transmission Ar
24***21Filter Group-Oil; -Transmission2
26***53Cover Group-Shipping1
27***01Torque Converter Group1
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274-3800 Transmission Ar
27***50Electronics Group-Power Train1
27***99Transmission Ar1
27***00Transmission Ar1
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274-3799 Transmission Ar
24***21Filter Group-Oil; -Transmission2
26***53Cover Group-Shipping1
27***01Torque Converter Group1
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312-4323 Transmission Ar
27***50Electronics Group-Power Train1
27***99Transmission Ar1
27***29Plate & Film Group1
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274-3807 Valve Gp-Modulating
0S***85Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine8
12***74Valve Group-Relief; -Torque Converter Inlet1
13***00Clip; (Tab)1
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258-8987 Valve Gp-Modulating -Transmission Hydraulic Control
16***08Washer; (13.03x25.4x2.38-mm Thk)1
16***24Nut-Self-Locking; (1/2-28-Thd)1
25***87Valve Group-Modulating; -Transmission Hydraulic Control1
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244-3114 Valve Gp-Modulating -Torque Converter Lockup Clutch
16***08Washer; (13.03x25.4x2.38-mm Thk)1
21***68Seal-O-Ring; (11.89-mm Id)1
21***73Nut; (1/2-28-Thd)1
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284-5303 Valve Gp-Relief -Torque Converter
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
16***67Fitting As; (Quick Disconnect, Male)(Quick Disconnect)1
1L***62Ring-Retaining1
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249-7075 Valve Gp-Relief -Transmission Lubrication
14***25Connector As.2
1M***51Spring-Steering Clutch1
20***05Cover1
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310-9344 Valve Gp-Relief
14***25Connector As.1
16***77Plug As1
1M***51Spring-Steering Clutch1
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126-7174 Valve Gp-Relief
06***40Seal-O-Ring (Id=37.69mm)2
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly4
12***74Valve Group-Relief; -Torque Converter Inlet1
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TH48-E70 serial number reference

On the TH48-E70 petroleum power-train/transmission package, the identification plate is mounted on the transmission housing (or the skid/base frame the unit ships on), not on a cab or chassis rail like a self-propelled machine. Read the serial number as an 8-character string: the first 3 letters are the prefix identifying the specific package/engine build (for example JGC, KSH, PKZ, PKG, PKY), followed by a 5-digit sequence number for that build run. Always match the full prefix plus the powered-by engine callout (C27I, C32P, C32I) before ordering parts, since different engine pairings on the same TH48-E70 base transmission use different prefixes.

PrefixIdentifies
PKZTH48-E70-C27I Petroleum Power Train Package, Cat C27 (Industrial) engine
JGCTH48-E70-C27I Petroleum Power Train Package, Cat C27 (Industrial) engine
PKGTH48-E70-C32P Petroleum Package, Cat C32 petroleum basic engine
KSHPetroleum Transmission / TH48-E70-C32P Petroleum Package, Cat C32
PKYTH48-E70-C32I Petroleum Package, Cat C32 Industrial engine

Frequently asked questions

What engine pairs with the Caterpillar TH48-E70?

The TH48-E70 is matched to a Cat C27 ACERT, Cat C32 ACERT, or Cummins QST30 engine, with a gross input power rating of 895 to 1118 bkW (1200 to 1500 bhp) delivered through its SAE #0 flywheel input.

What is the TH48-E70's dry weight?

As a standalone transmission assembly, without chassis, cooling system, or fluid fill, the TH48-E70 has a dry weight near 1692 kg (3735 lb). It carries no operating-weight rating because it is a drivetrain component, not a self-propelled machine.

What replaced the TH48-E70 in Cat's petroleum transmission lineup?

The higher-power TH48-E80 succeeded it for heavier pressure-pumping and coil-tubing duty, and that design has since evolved into Cat's current CX48-P2300 well-service transmission.

What TH48-E70 owners discuss

How does the TH48-E70 handle the low pump-rate work that well-service jobs demand?
Operators describe the transmission spending most of a job either fully locked up or held in a controlled torque-converter stall, not cycling through gears like a highway unit. The deep first-gear ratio combined with commanded converter stall lets crews trim output speed for low-flow pumping without constantly working the shift lever, which techs say is the main reason this transmission holds up better in pressure-pumping service than a repurposed truck transmission would.
Why do some installs run hot even though the transmission checks out fine mechanically?
Shop consensus ties overheating to cooler sizing versus duty cycle. Heat rejection can run close to 30 percent of net engine output while slipping in converter mode, but drops to roughly 10 percent or less once the unit is locked up. Techs report units that ran fine on their original engine start running hot after a repower to a larger engine because the cooler and lines were carried over instead of being resized to the new heat-rejection numbers. The fix is checking cooler capacity against the actual paired engine, not assuming the old cooler is adequate. Sustained high oil temperature accelerates clutch wear, so have your dealer verify cooler sizing and running temperature before returning a repowered unit to continuous full-load service.
Why does the transmission feel like it hits a wall on a shift instead of shifting smoothly?
A pumping truck has almost no rotating inertia to cushion a shift the way a truck rolling down a highway does, so field techs describe a mistimed shift as hitting a brick wall under load. The consensus is that the ECPC-controlled clutch fill and modulation profiles are tuned specifically for pump duty, and substituting a generic on-highway powershift calibration is what leads to burned clutches or broken shafts on these installs. The fix mechanics point to is confirming the transmission is running the oilfield-specific control software, not a stock calibration, and verifying it against the actual pump load.
What's the usual cause when the lockup or stall function quits working?
A recurring complaint is a lockup solenoid that won't engage, which usually traces back to an active ECPC solenoid diagnostic or a short-to-battery fault that automatically disables stall and lockup as a protective measure rather than a failed solenoid itself. Techs say checking harness chafing and connector corrosion near the transmission controller resolves a good share of these cases before the solenoid is ever replaced. On the communication side, intermittent J1939 faults between the engine ECU and the transmission controller are more often wiring or connector related than a bad control module. Any fault that disables lockup or stall under load should be pulled with Cat ET and pressure-verified by your dealer before the unit goes back into service.
What wear pattern should I expect on the pump-drive (PTO) side?
Because the TH48-E70's auxiliary pump drive is rated for continuous duty rather than occasional use, mechanics note that gear and bearing wear there tracks total pump-engaged hours, not truck mileage. Crews that move a transmission between truck installations are advised to log PTO hours separately, since the drive sees load any time the pump is engaged even if the truck itself sees light road use. Discoloration or metal content in the transmission oil is the earliest practical warning of pump-drive wear.
The transmission shows up paired with different engines, is that normal?
Yes. Community discussion confirms the TH48-E70 is factory-supported behind a Cat C27 ACERT, C32 ACERT, or Cummins QST30, since the unit is sold as a standalone transmission with no engine, chassis, or undercarriage of its own. What matters in practice, per shop experience, is confirming the engine ECM and the transmission ECPC controller were calibrated as a matched pair at build or install time, because torque management runs over J1939 between the two. Mismatched or outdated calibration between a swapped engine and the existing transmission controller is a known source of odd shift and stall behavior on used or repowered units.
What should I check before buying a used TH48-E70?
Field consensus for a pre-purchase check: pull an oil sample of the Cat TDTO fluid and look for metal or discoloration as an early flag for clutch or bearing wear; have Cat ET pull stored fault history on the ECPC controller, not just current codes; run a stall test and clutch pressure check under load to catch a slipping or leaking piston seal before it shows up as a slow shift; confirm the cooler is sized for whichever engine is currently paired, especially if the transmission was moved from another truck; and check PTO hours separately from total transmission hours if it changed installations. Because a lockup or stall fault, or a slipping clutch under full pump load, can strand a job or cause a sudden loss of pump pressure, have your dealer run a full ET diagnostic and a load test before putting a used unit into service.

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

Serial-range & configuration variants

This page covers the Caterpillar TH48-E70. Related factory variants of the same model family:

TH48-E70

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