Caterpillar CS-663E
Caterpillarpaving compactorvibratory compactor

Caterpillar CS-663E

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar CS663E is a single-drum vibratory soil compactor in Cat's E-Series lineup, built for subgrade, road-base, and large fill compaction rather than asphalt mat rolling. It runs a smooth steel drum on the front axle with rubber tires on the rear; the padfoot-shell version of the same base machine is sold as the CP663E, and a factory shell kit lets a smooth drum be converted to padfoot in the field. Every E-Series 663 uses the Cat 3056E turbocharged diesel, rated at 129 kW (173 hp) gross and 123 kW (165 hp) net, with air-to-air aftercooling that holds full power up to 2500 m altitude without derating. Operating weight runs roughly 16.5-19.4 t (18.1-21.4 US ton) depending on drum type, cab versus open ROPS canopy, and ballast. Cat built the 663E from 2001 through 2007; it followed Cat's earlier D-Series soil compactors and was succeeded by the CS74 production-class compactor, later updated to the CS74B, carrying the same power class forward under Cat's later model naming.

Across the E-Series update, Cat kept the 663 platform's size and power class largely unchanged but moved the drum's vibratory bearings to sealed, replaceable pod units with long lube intervals, simplified routine service points, and improved the operator station's sightline to the drum edge. The 663E shares its Operation and Maintenance Manual, drum bearing design, and most consumable parts with its 563E, 573E, and 583E siblings and with the wider-drum 683E, which keeps parts sourcing simple across the family. On the used and parts market, the 3056E engine's pre-emissions-aftertreatment design is the draw: no DPF or DEF system to fail, simpler field rebuilds, and a large surviving population out of landfill, roadbase, and quarry fleets. The parts that drive demand are the drum drive motor and bearing pods, the eccentric weight housing, the final drives, and the smooth-to-padfoot shell hardware.

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 CS-663E specifications

Engine

Engine modelCat 3056E turbocharged diesel, in-line 6-cylinder, four-stroke, air-to-air aftercooled, electronic fuel control
Gross power129 kW (173 hp) at 2200 rpm
Net power123 kW (165 hp) at 2200 rpm, per EEC80/1269 and ISO 9249
Displacement, bore x stroke6.0 L (366 in³); bore 100 mm (3.94 in) x stroke 127 mm (5.00 in)
Emissions tierMeets EU Stage II (97/68/EC) requirements
Altitude capabilityNo power derating required up to 3000 m altitude (turbo-aftercooled design rated for high-altitude operation)

Weights

Operating weight, open platform16 400 kg (36 155 lb)
Operating weight, ROPS/FOPS canopy16 700 kg (36 817 lb)
Operating weight, ROPS/FOPS cab17 100 kg (37 699 lb)
Weight at drum, ROPS/FOPS cab configuration11 600 kg (25 574 lb)
Ground pressure (static linear load, drum)54.4 kg/cm (304 lb/in) of drum width
Ground pressure (dynamic/centrifugal linear force, drum)1.56 kN/cm at 30 Hz

Dimensions

Operating length6.00 m (19 ft 8 in)
Max. machine width2.36 m (7 ft 9 in)
Compaction (drum) width2.13 m (7 ft 0 in)
Drum diameter1524 mm (60.0 in)
Drum shell thickness40 mm (1.6 in)
Height, ROPS/FOPS canopy or cab3.02 m (9 ft 11 in)
Wheelbase2.90 m (9 ft 6 in)
Ground clearance525 mm (20.7 in)
Rear axle width1.67 m (5 ft 6 in)
Turning radius, inside / outside3.68 m (12 ft 1 in) inside / 5.81 m (19 ft 1 in) outside

Performance

Travel speed, low range (fwd/rev)5.7 km/h (3.5 mph)
Travel speed, high range (fwd/rev)11.3 km/h (7.0 mph)
Vibration frequency30 Hz
Nominal amplitude, high / low1.8 mm (0.07 in) high / 0.9 mm (0.035 in) low, selectable from the operator's console
Centrifugal force at 30 Hz, max / min332 kN (74 600 lbf) max / 166 kN (37 300 lbf) min
Steering angle / frame oscillation±34° steering each direction; ±15° frame oscillation each direction
GradeabilityNo numeric gradeability figure published for this model; factory literature credits the dual-pump propel system (separate balanced flow to drum drive and rear axle) with superior grade-climbing tractive effort. Verify a specific grade percentage with your dealer if needed
Operator sound level76 dB(A) in cab, doors and windows closed, per ISO 6394
Exterior sound power level112 dB(A) per 2000/14/EC

Service capacities (summary)

Fuel tank300 L (79.3 US gal)
Hydraulic system80 L (21.1 US gal)
Engine oil (crankcase)14 L (3.7 US gal)
Cooling system35 L (9.2 US gal)
Vibratory bearing lube24 L (6.3 US gal), 3-year/3000-hour change interval
Differential and final drives28 L (7.4 US gal)

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

CS-663E fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (Cat 3056 ATAAC turbocharged diesel, with filter)13.6 L (3.6 US gal)Cat DEO Multigrade, Cat DEO SYN, Cat Arctic DEO SYN, or an oil meeting Cat ECF-1 / API CG-4 multigrade. Viscosity by climate: SAE 15W-40 for roughly -9.5 to 50°C, SAE 10W-40 for -18 to 50°C, SAE 5W-40 for -30 to 50°C, stepping down to SAE 0W-20/0W-30/0W-40 for cold starts as low as -40°C.
Cooling system26 L (8.9 US gal) per the current factory refill table for this model group; an earlier factory spec sheet lists 35 L (9.2 US gal) - varies by production series/configurationCat ELC (Extended Life Coolant), premixed or concentrate, or a commercial long-life coolant meeting the Cat EC-1 specification. Coolant extender is added at 6000 hours/3 years; a full coolant change is due at 12,000 hours/6 years.
Fuel tank300 L (79.3 US gal)Standard ultra-low-sulfur diesel fuel; no separate branded fuel spec beyond normal diesel fuel requirements.
Hydraulic system and tank64 L (16.9 US gal) per the current factory refill table for this model group; an earlier factory spec sheet lists 80 L (21.1 US gal) - varies by production series/configurationCat HYDO Advanced 10 is the preferred fluid (SAE 10W, roughly -20 to 40°C ambient). Second choice: Cat HYDO, Cat MTO, Cat DEO, Cat TDTO, or Cat TDTO-TMS. Third choice: commercial oils meeting Cat ECF-1, ECF-2, ECF-3, TO-4, or TO-4M with a minimum 0.09% zinc additive. Cat BIO HYDO (HEES) biodegradable oil is an option for roughly -40 to 43°C. Viscosity grades range from SAE 0W-20 in extreme cold up to SAE 30 in hot climates.
Rear axle differential (center housing)17 L (4.5 US gal), plus an axle and brake oil additive added at each oil changeCat TDTO or a commercial oil meeting the Cat TO-4 specification. SAE 30 for roughly -20 to 43°C, SAE 50 for 10 to 50°C, or Cat TDTO-TMS synthetic blend for a wider -30 to 43°C range.
Final drive planetary (axle), each side3.5 L (0.93 US gal) per sideSame family as the axle differential: Cat TDTO or a commercial TO-4 oil, graded SAE 30 to SAE 50 by climate, or Cat TDTO-TMS for a wider temperature range.
Eccentric weight housing, each side of drum13 L (3.4 US gal) per sideCat synthetic gear and bearing oil (ISO viscosity grade 220, PAO base stock, no viscosity improvers) or a commercial full-synthetic equivalent with a minimum viscosity index of 150-152, for roughly -20 to 50°C. For extreme cold down to -47°C use a synthetic ISO 68 gear/bearing lubricant. Do not use API GL-4 or GL-5 gear oil in this compartment.
Vibratory support housing0.95 L (0.25 US gal)Same as the eccentric weight housing: Cat synthetic ISO 220 gear/bearing oil or a commercial full-synthetic equivalent for roughly -20 to 50°C, or a synthetic ISO 68 lubricant for extreme cold. Do not use API GL-4 or GL-5 gear oil.
Final drive planetary (drum)4.3 L (1.13 US gal)Same family as the eccentric weight housing and vibratory support: Cat synthetic ISO 220 gear/bearing oil, a commercial full-synthetic equivalent for roughly -20 to 50°C, or synthetic ISO 68 for extreme cold. Do not use API GL-4 or GL-5 gear oil.
Drum cooling oil (cooling purpose only, not a scheduled change item)21 L (5.6 US gal)Same fluid options as the hydraulic system: Cat HYDO Advanced 10 preferred, or Cat HYDO, Cat MTO, Cat DEO, Cat TDTO, Cat TDTO-TMS, or a commercial TO-4/ECF-1 equivalent.
Grease (chassis points: steering cylinder ends, leveling blade pivots, steering frame area)Spec only - no refill capacity appliesNot named by product in the factory lubricant-viscosity table available for this model; use a Cat multipurpose grease or dealer-recommended NLGI 2 lithium-complex grease and verify the exact spec with your Cat dealer.

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

Caterpillar CS-663E maintenance schedule

Service intervalTasks
Every 50 h
  • Check the engine oil level before starting.
  • Check the coolant level at the sight glass with the engine stopped and cool.
  • Check the hydraulic tank oil level.
  • Test the backup alarm and the cab gauges and indicators.
  • Drain water and sediment from the fuel tank weekly.
  • Lubricate the steering cylinder ends and leveling blade pivots, and check rear-axle tire inflation weekly.
Every 250 h
  • At the initial 250-hour service, change the rear axle oil and both final drive planetary (axle and drum) oils.
  • At the initial 250-hour service, change the vibratory support (pod) oil.
  • Inspect, adjust, or replace the drive belts.
  • Pull an engine oil sample for the SOS program.
  • Check the final drive planetary oil levels and the vibratory support oil level.
  • Inspect the drum isolation mounts for cracking or separation.
Every 500 h
  • Change the engine oil and filter.
  • Replace the primary fuel filter.
  • Pull an oil sample from the rear axle housing.
  • Pull an oil sample from the hydraulic system.
  • Pull an oil sample from the vibratory support (pod) housing.
Every 1,000 h
  • Change the rear axle oil.
  • Check and adjust engine valve lash and injector fuel timing.
  • Inspect the engine water pump and clean or replace the cooling system pressure cap.
  • Change the final drive planetary (axle and drum) oils and pull fresh samples.
  • Change the hydraulic system oil, replace the hydraulic filter and tank breather, and clean the hydraulic tank strainer.
  • Change the vibratory support (pod) oil, check the vibratory system, and inspect the ROPS structure and mounting hardware.
Every 2,000 h
  • Clean the engine crankcase breather.
  • Inspect the crankshaft vibration damper.
  • Pull a Level 2 coolant sample.
  • Replace the air conditioning refrigerant dryer, if equipped.
Every 3,000 h
  • Replace the cooling system water temperature regulator (thermostat).
  • Change the eccentric weight housing oil.
  • Replace the seat belt regardless of its condition.
Every 6,000 h
  • Add coolant extender (ELC) to maintain corrosion inhibitor levels in the cooling system.
  • Review accumulated engine, axle, and vibratory-pod oil sample trends to plan the next major component overhaul.
  • Inspect the frame, ROPS mounts, and drum shell welds for fatigue cracking.
Every 12,000 h
  • Change the cooling system coolant (ELC) completely.
  • Evaluate the engine block, cylinder head, and turbocharger for an in-frame rebuild at this run life.
  • Inspect wiring harnesses and connectors for insulation fatigue after a decade of service.

Servicing the CS-663E beyond the schedule

Predictive Maintenance & Fluid Analysis

Run the Cat SOS program on the 3056E's engine oil at every 500-hour change, and pull parallel samples from the rear axle housing, hydraulic tank, and the vibratory support (pod) bearings on the same clock. The drum carries two separate lubricated cavities, the vibratory support bearings and the eccentric weight housing, so trend them independently; a spike in either points to drum-end bearing wear before it reaches the final drive. Watch turbo boost and aftercooler condition on the ATAAC 3056E, since altitude derate protection depends on a clean air-to-air cooler.

Corrective & Common Repairs

Typical field repairs on the CS663E center on the drum end: isolation mounts crack and separate under sustained high-amplitude work and should be checked every 250 hours, and drum scrapers wear fast in cohesive or wet soils. Hydraulic drive motor seals at the drum and rear axle final drives are the next most common leak points, given the dual hydrostatic propel and vibratory circuits. On the engine side, injector timing and valve lash drift by 1000 hours on the 3056E and cause rough idle or power loss if left unchecked.

Overhaul & Rebuild Points

Major rebuild candidates are the eccentric weight housing and vibratory support bearing pods, both designed as replaceable units rather than field-rebuildable assemblies. Plan on pod replacement once oil samples trend toward metal contamination rather than attempting an in-housing bearing swap. Final drive planetaries (axle and drum) are the next tier, usually needing attention before the 3056E itself, which is a straightforward, pre-aftertreatment platform that tolerates in-frame overhaul at high hours. Hydraulic propel and vibratory pumps and motors round out the major line items on high-hour machines.

Seasonal & Environment Servicing

In cold climates, confirm the ELC coolant mix and the ether-assist canister, if fitted, before winter, and drain the fuel water separator weekly rather than monthly since condensation builds faster in the tank-mounted fuel system. In hot, dusty roadbase or quarry work, clean the radiator core and engine air filter ahead of the standard 250-hour point, and watch the ATAAC aftercooler, since the 3056E's altitude-derate protection depends on unrestricted airflow. Swap to the padfoot shell kit for wet, cohesive soils; run the smooth CS663E drum on granular and semi-cohesive material.

CS-663E common service parts

Part numberPart
067-6897Element Kit, Fuel FilterCheck fitment →
131-8821Filter Element As-AirCheck fitment →
131-8822Filter Element As-AirCheck fitment →
180-7487Filter Element-Cab AirCheck fitment →
113-0305Filter Element-Cab AirCheck fitment →

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

CS-663E fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
Check Engine lampECM has logged an engine electronic faultSensor circuit, wiring, or fuel-system electronic fault detected by the engine controllerNote operating conditions when lamp lit, then connect Cat ET at the service connector to pull the stored CID/FMI code before further diagnosis
Action Lamp (second-level warning)A malfunction already flagged by another gauge or lamp has escalatedThe condition behind the first indicator (oil pressure, coolant temp, hydraulic temp, etc.) is worseningStop in a safe area, identify which primary indicator triggered it, and do not resume operation until that fault is resolved
Engine Oil Pressure lampOil pressure below normal or oil pressure circuit malfunctionLow oil level, worn oil pump, plugged filter, or a faulty oil pressure sensor/circuitShut the engine down immediately when the alarm sounds; check oil level and filter condition before restart
Engine Coolant Temperature lampCoolant overheating or coolant temperature circuit malfunctionLow coolant level, restricted radiator, failed thermostat, or faulty coolant temperature sensorStop in a convenient area, let the engine idle down, and check coolant level and radiator once cool
Hydraulic Oil Temperature lampHydraulic tank oil temperature too highLow hydraulic oil level, restricted oil cooler, or sustained high-load operationMove throttle to low idle and let the machine idle to cool; check oil level and cooler fins if temperature does not drop
Hydraulic Charge Pressure lampCharge pump pressure has dropped below normal operating pressureWorn charge pump, clogged hydraulic filter, or low hydraulic reservoir levelStop the machine, inspect and change hydraulic filters, then verify charge pressure before returning to service
Alternator lampCharging system malfunctionLoose or broken alternator belt, failed alternator, or charging circuit wiring faultStop in a safe area and inspect belt condition and tension before checking the alternator output
High Temperature Combustion Air lampIntake/charge air temperature above normal, with audible alarm if it keeps risingRestricted air-to-air aftercooler core, dirty air filter, or high ambient temperature under sustained loadReduce load and throttle, then inspect the aftercooler core and air filter for blockage once safely stopped
CID 100 (Engine Oil Pressure) FMI 3/4Oil pressure sensor circuit reading voltage above or below the normal rangeOpen or shorted sensor wiring, corroded connector, or a failed oil pressure sensorRetrieve the code with Cat ET, inspect sensor wiring and connector, then replace the sensor if wiring checks out good
CID 110 (Engine Coolant Temperature) FMI 3/4Coolant temperature sensor circuit reading voltage above or below the normal rangeOpen or shorted sensor wiring, corroded connector, or a failed coolant temperature sensorRetrieve the code with Cat ET, inspect sensor wiring and connector, then replace the sensor if wiring checks out good

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

CS-663E attachments & work tools

Smooth-to-padfoot drum conversion (shell kit)

The CS-663E smooth drum accepts a padfoot shell kit to convert it for cohesive/semi-cohesive soil work, matching the factory CP-663E padfoot configuration on the same base chassis. Two kit levels exist: a full drum-change kit (hydraulic drive motor, brackets, gear and support boxes, shell, mounts, pods, front bumper, scrapers) and a minimal shell-only kit (shell, drive plate, front bumper, scraper) for machines already carrying compatible drive components.

Drum diameter and compaction width (size class)

Drum diameter runs 1,524 mm (60 in) with a compaction/drum width of about 2,134 mm (84 in), typical for the 16-19 t (17.6-20.9 US ton) single-drum soil compactor class this model competes in.

Drum scrapers

Standard equipment is steel scrapers mounted at the rear of the drum. An optional urethane scraper kit fits front and rear for continuous drum contact and is offered as a direct swap for the standard steel scraper.

Operator protection: ROPS/FOPS canopy vs cab

A four-post ROPS/FOPS canopy bolts to flanges on the operator platform and meets ISO 3471. A full ROPS/FOPS cab option (meeting ISO 3449 and ISO 3471) adds a rotating cloth seat, access door, tinted safety glass, front and rear electric wipers, heater/defroster, sliding side windows, mirrors, front and rear work lights, dome light and coat hook. Choice of open platform, canopy, or cab changes operating weight by several hundred kilograms.

Transmission/driveline guard

A bolt-on heavy steel guard plate covers the rear axle, axle drive motor, and input gearbox for protection on rough or debris-heavy sites.

Brake release pump

A hand-pump kit provides manual override of the secondary/parking brake so the compactor can be towed when the engine cannot be started; mounts near the brake circuit and ties into the existing hydraulic brake release line.

Fast-fill fuel tank

An optional fuel tank variant adds extra connection points to accept a fast-fill fueling system, aimed at high-utilization rental and fleet operations needing quick turnaround refueling.

Beacon/warning light kit

A rotating beacon and mounting bracket is offered for jobsite visibility, compatible with either the ROPS/FOPS canopy or the ROPS/FOPS cab structure.

Vandalism protection guards

Lockable guard covers for engine and operator-area access points are offered to reduce tampering and theft risk on unattended jobsites; specific coverage varies by configuration.

Coupler/mounting system

This model has no bucket-style quick-coupler; it is a single-drum roller, not a boom or loader machine. Work-tool changes (drum shell kits, scraper sets, guards) are bolt-on/bracket-mounted to the drum, axle, and platform rather than hydraulic quick-attach.

All CS-663E assemblies by section

Every catalogued assembly group for the Caterpillar CS-663E. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
165-0166 Air Cleaner Gp
11***17Valve-Dust; (Air Cleaner)1
13***21Filter Element As-Air; (Secondary)1
13***22Filter Element As-Air; (Primary)1
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175-6290 Air Cleaner Gp
16***66Air Cleaner Group1
17***92Bracket1
17***37Hose-Air Cleaner1
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174-1538 Muffler Gp
14***97Gasket1
16***94Muffler As1
17***38Muffler Group1
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195-6007 Turbocharger Gp
16***82Housing1
16***83Housing1
16***84Cartridge Group-Turbocharger1
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195-6008 Turbocharger Gp
03***48Fitting-Brass1
10***53Stud6
10***66Gasket1
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Basic Engine
198-0988 Camshaft Gp
06***79Dowel1
06***97Element Kit, Fuel Filter1
06***99Bushing-Idler Gear2
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161-2843 Cover Gp-Accessory Drive
06***10Washer1
10***30Bolt; (M10x1.5x20-mm)1
13***68Plate1
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193-0165 Cover Gp-Valve Mechanism
10***04Gasket1
10***75Seal4
11***04Seal-O-Ring1
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198-0993 Crankshaft Gp
03***90Washer-Thrust; (Standard-Upper)(Upper)2
03***91Washer-Thrust; (Standard-Lower)(Lower)2
06***73Washer-Thrush (Upper) .18mm (.007in)2
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209-5566 Cylinder Block Gp
03***68Bolt; (5/8-18x3.75-In)14
03***02Bearing1
06***02Dowel14
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161-9823 Cylinder Block Gp
03***68Bolt; (5/8-18x3.75-In)14
03***02Bearing1
06***02Dowel14
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198-0994 Cylinder Block Gp
03***45Dowel2
11***15Liner1
11***40Housing As1
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198-0991 Cylinder Head Gp
06***43Plug-Side-(1.251 Dia.)4
15***73Gasket-Cylinder Head1
17***50Cylinder Head Group1
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170-1650 Cylinder Head Gp
06***44Plug-Cylinder Head (Top Face)1
06***45Washer-(640mm Id, .064 Thk.)1
12***79Plug1
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185-5367 Drain Gp-Engine Oil
15***55Adapter1
18***67Drain Group-Engine Oil1
1P***78Clamp; (Hose)1
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184-6602 Drive Gp-Pump
0T***24Bolt 9.525 mm(.375 In.) Dia. N. C.8
10***33. Pedestal, Flange-Nylon1
14***32Plate-Adapter1
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171-1090 Fastener Gp-Alternator
17***90Fastener Group-Alternator1
6I***54Bolt; (M8x1.25x30-mm)2
6I***39Bolt; (M8x1.25x70-mm)1
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171-1423 Fastener Gp-Cylinder Head
12***15Bolt; (M8x16x1.25-mm)3
17***23Fastener Group-Cylinder Head1
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147-5466 Flywheel Gp
03***87Ring-Starting Motor; (126-Teeth)1
0S***03Bolt,Machine Fuel Pump Drive Gear Mounting10
10***31Flywheel As1
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147-5465 Housing Gp-Flywheel
10***17Plug3
11***63Bolt; (M8x1.25x12-mm)2
14***65Housing Group-Flywheel1
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198-0989 Housing Gp-Front
14***44Shield1
14***45Damper1
16***10Gasket1
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161-2745 Lifting Gp-Engine
14***53Plate1
14***49Plate-Lifting1
16***45Lifting Group-Engine1
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171-1410 Mounting Gp-Engine
10***87Plug6
11***13Stud; (M16x45-Thd)3
17***10Mounting Group-Engine1
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174-3852 Mounting Gp-Engine Flexible
13***79Support2
17***52Mounting Group-Engine Flexible1
23***45Support-Engine; (Rh)2
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170-3711 Mounting Gp-Fan Drive
17***11Mounting Group-Fan Drive1
6I***50Bolt; (M10x1.5x65-mm)4
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214-5044 Pan Gp-Oil
11***80Pan As-Oil1
11***81Tube As1
11***82Bracket1
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198-0992 Piston & Rod Gp
12***32Bolt-Connecting Rod2
13***48Bushing1
13***73Kit-Piston Ring6
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147-5524 Plug Gp-Cylinder Block
06***24Plug2
14***24Plug Group-Cylinder Block; -Oil Gallery1
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141-8614 Plug Gp-Cylinder Head
06***44Plug-Cylinder Head (Top Face)1
06***45Washer-(640mm Id, .064 Thk.)1
14***14Plug Group-Cylinder Head1
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163-0264 Plug Gp-Engine
16***64Plug Group-Engine1
2B***58Plug--To Block Upper Front Air Manifold2
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147-5488 Pulley Gp-Crankshaft
10***41Bolt; (M12x1.75x25-mm)8
10***54Pulley1
14***88Pulley Group-Crankshaft1
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146-8956 Rocker Arm Gp
00***06Ring-Retaining2
06***83Plug-Shaft End2
06***87Spring-Shaft4
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198-0990 Valve Mechanism Gp
06***95Rod12
12***93Ferrule1
13***53Tappet12
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Braking System
184-3149 Control Gp-Parking Brake
11***75Valve-Needle1
15***44Hose As1
15***17Hose As1
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176-2570 Cylinder Gp-Brake
10***60Spring1
10***64Plug-End1
10***67Retainer1
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178-0649 Lines Gp-Brake & Shift
08***35Tee1
08***86Clamp2
10***45Hose As1
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Cooling System
179-7074 Connection Gp-Water
14***15Seal-O-Ring; (Water Temperature Regulator)1
14***88Seal; (Housing, Regulator)(Temperature Regulator Housing)1
16***36Ring; (Water Temperature Regulator)1
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165-2430 Cooler Gp-Fltr Base & Eng Oil
11***22Bolt; (M8x16-mm)16
13***54Base-Oil Filter1
14***04Adapter1
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177-3558 Fan Gp-Suction
11***32Adapter-Fan1
14***20Motor Group-Gear1
16***59Guard As-Fan1
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176-3220 Pump Gp-Water
10***51Bolt; (M8x1.25x65-mm)2
10***71Bolt1
10***05Bolt; (M8x1.25x90-mm)3
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164-7853 Radiator & Hyd Oil Cooler Gp
14***01Cap-Radiator1
16***53Radiator & Hydraulic Oil Cooler Group1
19***80Isolator24
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185-7094 Radiator & Hyd Oil Cooler Gp
11***33Washer; (11x50x6-mm Thk)4
12***37Clip-Loop1
15***81Sleeve4
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Electrical And Starting System
3e-6328 Alarm Gp
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
18***35Pin-Connector; (16-Ga To 18-Ga)2
3E***28Alarm Group; -Caterpillar Monitoring System-Action1
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174-6581 Alternator Gp-Charging
14***40Bracket As; (Alternator Adjusting)1
14***13Bracket As1
14***14Strap As1
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9w-3043 Alternator Gp-Charging
09***66Washer; (Hard) (4.5x9x1mm Thk)5
10***63Regulator As-Alternator; (24-Volt)1
1H***44Lockwasher (Bracket To Cab)1
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179-9571 Battery & Wiring Gp
03***97Boot1
13***18Cable As1
15***66Angle As2
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183-5804 Electrical Ar
17***08Warning Group-Backup1
17***71Battery & Wiring Group1
18***20Wiring Group-Machine1
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9x-4381 Lamp Gp-Flood -Suspended
8T***37Screw; (Machine) (M4x0.7x12mm)2
9X***55Body As-Lamp1
9X***63Lamp-Halogen; (24-Volt, 70-Watt)(Floodlight)1
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9x-1439 Lamp Gp-Flood -Vertical
8T***37Screw; (Machine) (M4x0.7x12mm)2
9X***39Lamp Group-Flood; -Rear-Ladder Access-Engine Work Light1
9X***55Body As-Lamp1
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162-3294 Lamp Gp-Flood -Vertical Mount
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
15***52Bezel1
16***94Lamp Group-Flood; -Rear-Ladder Access-Engine Work Light1
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108-1029 Lamp Gp-Warning Beacon -Amber
10***29Lamp Group-Warning Beacon; (24-Volt, Amber)1
27***00Lens; (Amber)(Warning Beacon)1
9R***42Plug As1
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190-0361 Lighting Gp-Flood -Cab
11***39Spacer; (10.5x18x21-mm Thk)4
11***59Plate2
13***54Screw-Truss Head; (M4x0.7x10-mm)4
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189-4435 Lighting Gp-Flood
14***01Grommet8
16***65Bolt-Socket Head; (M4x0.7x16-mm)8
18***35Lighting Group-Flood1
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179-1920 Lighting Gp-Flood
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
13***87Harness As-Lighting; (Floodlight)(Open Rops)1
17***20Lighting Group-Flood1
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189-4896 Lighting Gp-Signal
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
10***58Flasher As; (24-Volt)1
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210-8376 Lighting Gp-Warning
10***29Lamp Group-Warning Beacon; (24-Volt, Amber)1
21***76Lighting Group-Warning1
3L***87Lockwasher 7.24mm(.285in.)O.D.; (3.7x7.24x.48mm Thk)2
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157-5563 Lighting Gp-Warning Beacon
10***29Lamp Group-Warning Beacon; (24-Volt, Amber)1
15***63Lighting Group-Warning Beacon1
3L***87Lockwasher 7.24mm(.285in.)O.D.; (3.7x7.24x.48mm Thk)2
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157-5594 Lighting Gp-Warning Beacon
10***29Lamp Group-Warning Beacon; (24-Volt, Amber)1
12***36Plate1
15***94Lighting Group-Warning Beacon1
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081-4135 Regulator Gp-Voltage
08***02Washer1
08***01Screw1
08***44Rotary Eccentric Relay1
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120-3885 Sensor Gp-Speed
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
12***85Sensor Group1
15***71Kit-Connecting Plug; (4-Pin)1
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120-4187 Solenoid Gp-Throttle
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
11***17Solenoid1
12***87Solenoid Group-Throttle; -Governor1
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216-2861 Starting Aid Gp
06***98Nut; (3/8-24-Thd)1
06***99Ferrule1
10***83Nut; (3/16), . Drum1
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141-6390 Starting Aid Gp
03***59Plug-Start1
14***90Starting Aid Group; -Heater1
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168-3499 Starting Motor Gp-Electric
03***23Bolt; (1/4-28x1-In)5
10***63Terminal As-Starter1
10***49Housing As-Starter1
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174-3109 Starting Motor Gp-Electric
13***83Bolt-12 Point Head; (M10x1.5x30-mm)3
16***04Spacer1
16***99Starting Motor Group-Electric1
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207-1516 Starting Motor Gp-Electric
03***23Bolt; (1/4-28x1-In)5
10***63Terminal As-Starter1
10***49Housing As-Starter1
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7n-0718 Switch Gp-Disconnect -Battery
2H***22Lockwasher2
6F***45Nut-Full; (3/8-24-Thd)2
7N***18Switch As-Disconnect; -Battery-Ground Level1
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167-0138 Switch Gp-Magnetic
15***70Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness)1
16***38Switch Group-Magnetic; -Main Relay-Main Power Relay1
18***36Socket-Connector; (16-Ga To 18-Ga)2
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141-7829 Switch Gp-Pressure
03***63Plug1
14***29Switch Group-Pressure; -Engine Oil1
7W***38Switch As-Pressure; (Engine Oil)1
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108-3190 Switch Gp-Temperature
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
10***90Switch Group-Temperature; -Engine Coolant1
8T***29Pin-Connector; (16-Ga To 18-Ga)(Throttle Position Sensor)3
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179-2508 Warning Gp-Backup
17***08Warning Group-Backup1
3T***15Alarm Group; (Backup)(Back-Up)1
8T***21Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm)2
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179-6281 Wiring Gp-Air Conditioner
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***04Suppressor As-Arc1
11***18Clip2
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143-5923 Wiring Gp-Cab -Wiper
14***23Wiring Group-Cab; -Wiper1
15***02Harness As-Cab1
3S***93Strap-Cable-To Tie Harnesses Together34
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180-2320 Wiring Gp-Machine
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***77Switch As-Pressure; (Engine Oil)1
10***11Switch As-Pressure; (Engine Oil)1
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Engine Arrangement
163-9275 Engine Ar-Primary
14***90Starting Aid Group; -Heater1
14***29Switch Group-Pressure; -Engine Oil1
14***14Plug Group-Cylinder Head1
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184-6538 Installation Ar-Engine
14***11Valve Group-Fluid Sampling1
17***38Muffler Group1
17***05Governor Group1
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Frame And Body
187-6573 Actuator Gp-Power
07***77Bushing-Terminal2
07***59Fitting-Grease2
09***01. Body Ass'Y, Setscrew-Socket; (M5x0.8x6-mm)1
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176-5737 Bumper Gp
16***70Bumper As1
17***81Spacer; (1.6-mm Thk)2
17***82Spacer; (2-mm Thk)2
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176-5736 Bumper Gp-Front
16***71Bumper As1
17***81Spacer; (1.6-mm Thk)2
17***82Spacer; (2-mm Thk)2
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176-5735 Bumper Gp-Front
16***49Bumper As1
17***81Spacer; (1.6-mm Thk)2
17***82Spacer; (2-mm Thk)2
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176-5451 Bumper Gp-Front
16***49Bumper As1
17***51Bumper Group-Front1
17***81Spacer; (1.6-mm Thk)2
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171-2506 Enclosure Gp-Engine
03***74Washer; (6.6x19x1.5-mm Thk)1
08***29Cable1
11***18Clip2
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164-6259 Frame Gp-Front
14***64Hitch Group-Articulating & Osc; -Smooth Drum1
14***66Plate-End1
16***59Frame Group-Front1
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174-6437 Frame Gp-Rear
07***27Screw-Drive; (No.12x12.7-mm)2
14***53Clamp2
16***54Frame As1
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184-3150 Guard Gp-Axle
17***08Guard1
18***50Guard Group-Axle1
8T***22Washer-Hard-To Lock Carrier Rollers4
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159-8726 Handrail Gp
15***27Handrail2
15***26Handrail Group1
5P***76Washer Guard To Support Assembly And Guard Assembly4
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141-9864 Hitch Gp-Articulating & Osc -Smooth Drum
14***64Hitch Group-Articulating & Osc; -Smooth Drum1
14***65Cap-Bearing4
14***56Bearing-Tapered Roller4
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187-3892 Scraper Gp-Padded Drum
14***34Scraper As1
16***77Shim; (1.5-mm Thk)(1.5mm Thk)3
17***68Scraper18
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146-8417 Scraper Gp-Smooth Drum
11***34Plate-Backing2
11***35Scraper; (Flexible)1
11***27Plate-Retaining1
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146-8415 Scraper Gp-Smooth Drum -Flex, Front
11***34Plate-Backing2
11***35Scraper; (Flexible)1
11***27Plate-Retaining1
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201-1727 Scraper Gp-Smooth Drum -Flex, Rear
15***70Scraper-Steel1
15***71Bracket3
15***63Bolt; (M20x2.5x54-mm)(M20x2.5x15.9-mm)3
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208-7753 Scraper Gp-Smooth Drum
11***34Plate-Backing2
11***35Scraper; (Flexible)1
11***27Plate-Retaining1
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153-9542 Scraper Gp-Smooth Drum
14***15Scraper Group-Smooth Drum; -Flex, Front1
14***17Scraper Group-Smooth Drum1
15***42Scraper Group-Smooth Drum1
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146-3165 Scraper Gp-Smooth Drum -Flex, Front
14***65Scraper Group-Smooth Drum; -Flex, Front1
15***70Scraper-Steel1
15***71Bracket3
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175-4016 Step Gp
17***49Hinge As1
17***24Step As1
17***16Step Group1
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184-3148 Suppression Gp-Sound
17***11Insulation2
18***48Suppression Group-Sound1
18***91Insulation1
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Fuel System
141-7844 Base Gp-Fuel Filter
10***39Nut1
10***40Cap; (Fuel Filter)1
10***41Seal; (Plunger)1
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146-7807 Filter & Lines Gp-Fuel
03***47Ferrule1
03***14Nut; (7/16-In)1
06***68Nut-Fuel Line; (1/2-In)6
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174-2105 Governor Gp
11***18Clip1
11***18Ball Joint1
12***87Solenoid Group-Throttle; -Governor1
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177-9528 Lines Gp-Fuel
00***14Coupling-Pipe2
10***71Tube As1
17***28Lines Group-Fuel1
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220-4323 Pump Gp-Fuel Injection
03***25Elbow1
06***64Fitting-Flared1
06***65Fitting-Brass1
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196-5119 Pump Gp-Fuel Injection
13***11Cap; (Tamper Resistant)1
14***45Valve Group-Solenoid; (24-Volt)(Fuel Shutoff)1
15***68Seal-O-Ring1
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157-0512 Separator Gp-Water
03***00Washer; (0.531x0.718x0.064-In Thk)2
03***49Plug2
06***68Nut-Fuel Line; (1/2-In)2
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138-3097 Separator Gp-Water
10***39Nut1
10***40Cap; (Fuel Filter)1
10***41Seal; (Plunger)1
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201-8785 Tank Gp-Fuel
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***81Bolt; (Socket Head) (M12x1.75x35mm)4
12***72Hose-Hydraulic; (129-In)0
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180-8418 Tank Gp-Fuel
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
12***72Hose-Hydraulic; (129-In)0
12***19Cap As-Filler; (Fuel)1
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Hydraulic System
177-6949 Actuator Gp-Pump -Propel
11***73Seal-O-Ring2
14***10Cover1
14***11Cover1
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195-1747 Actuator Gp-Pump -Vibratory
11***73Seal-O-Ring2
14***12Ring2
14***13Ring-Seal2
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087-1788 Cap & Strainer Gp-Hyd Oil Fill
08***88Cap Group-Hydraulic Oil Tank1
1L***72Dowel (Part Of 8s***99 Assem.)1
2J***61Ring-Retaining1
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7r-7638 Cylinder Gp-Hydraulic -Blade
07***86Lockwire1
08***05Seal1
08***80Kit-Seal; (Hydraulic Cylinder)1
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164-6402 Cylinder Gp-Hydraulic -Steering
16***02Cylinder Group-Hydraulic; -Steering1
25***87Kit-Seal; (Steering Cylinder)1
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174-7863 Filter & Mtg Gp-Hydraulic
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
11***18Tee-Swivel2
16***21Switch As-Pressure; (Transmission)2
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192-2071 Head Gp-Pump -Propel, Drum
08***72Plug-O-Ring2
11***28Screw2
11***79Bushing; (External)1
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227-8311 Head Gp-Pump -Vibratory
08***72Plug-O-Ring1
09***87Bolt-Socket Head; (M14x2x45-mm)4
11***80Bushing; (Internal)1
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177-4171 Head Gp-Pump -Propel, Axle
08***72Plug-O-Ring2
11***28Screw2
11***79Bushing; (External)1
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195-2322 Head Gp-Pump -Vibratory Pump
08***72Plug-O-Ring1
09***87Bolt-Socket Head; (M14x2x45-mm)4
11***28Screw2
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184-3146 Hydraulic Ar
14***41Shim,2.75mm Thk, Console Group-Operator1
17***73Lines Group-Hydraulic Filter1
17***67Lines Group-Vibratory1
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184-3680 Hydraulic Ar-Auxiliary
17***33Pump & Mtg Group-Steering1
17***63Filter & Mtg Group-Hydraulic1
17***72Lines Group-Hydraulic Filter1
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178-1787 Lines Gp-Auxiliary Hydraulic
10***53Clamp2
14***39Clamp4
17***87Lines Group-Auxiliary Hydraulic1
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223-8084 Lines Gp-Blade
03***80Spacer; (9x16x36-mm)1
14***39Clamp26
14***03Hose As2
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176-9173 Lines Gp-Hydraulic Filter
12***41Hose As; (3/8-16x4.75in)1
12***99Hose As1
17***73Lines Group-Hydraulic Filter1
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176-9172 Lines Gp-Hydraulic Filter
12***41Hose As; (3/8-16x4.75in)1
17***72Lines Group-Hydraulic Filter1
18***44Hose As1
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177-9835 Lines Gp-Hydraulic Oil Cooler
17***35Lines Group-Hydraulic Oil Cooler1
17***70Bracket As1
17***06Hose As1
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143-3520 Motor Gp-Gear
09***95Pin, Dowel4
14***20Motor Group-Gear1
17***66Flange1
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184-7436 Motor Gp-Piston -Vibratory
09***95Dowel1
15***57Seal-O-Ring1
17***54Rotating Group-Motor; -Vibratory1
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123-5259 Motor Gp-Piston -Propel, Drum
03***39Seal-O-Ring (Id=9.25mm)3
03***41Seal-O-Ring1
10***17Seal-O-Ring1
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123-5260 Motor Gp-Piston -Propel, Axle
03***39Seal-O-Ring (Id=9.25mm)3
03***41Seal-O-Ring1
10***17Seal-O-Ring1
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150-0730 Pump Gp-Gear -Charge
11***41Seal-O-Ring1
11***78Bushing; (Bearing)1
11***22Seal-Ring1
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150-0720 Pump Gp-Gear -Charge
11***22Seal-Ring1
12***44Plate As1
15***20Pump Group-Gear; -Charge1
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170-6058 Pump Gp-Gear
12***16Key-Woodruff1
13***15Seal-Shaft1
16***99Nut; (M12x1.5-Thd)1
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185-6762 Pump Gp-Piston -Vibratory
09***45Plug-Hex; (9/16-18 Thd)1
11***28Screw4
12***94Plug; (Break Off)2
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159-9458 Pump Gp-Piston -Propel, Axle
08***74Nozzle2
11***28Screw4
11***30Screw; (1-5/16-Thd)1
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183-5031 Pump Gp-Piston -Vibratory, Fixed Displacement
09***45Plug-Hex; (9/16-18 Thd)1
11***28Screw4
12***94Plug; (Break Off)2
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183-5036 Pump Gp-Piston -Propel, Drum
08***74Nozzle2
09***45Plug-Hex; (9/16-18 Thd)2
11***28Screw4
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171-6854 Rotating Gp-Motor -Vibratory
11***19Screw-Special; (M5x0.8x8-mm)7
14***90Plate1
16***66Piston As1
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137-4581 Rotating Gp-Motor -Propel
13***81Rotating Group-Motor; -Propel1
13***84Piston7
13***86Kit-Spring; (Motor Rotating Group)1
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177-3633 Rotating Gp-Pump -Propel, Axle
09***41Ring-Retaining1
10***65Circlip1
11***57Pin1
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178-0613 Rotating Gp-Pump -Propel, Drum
09***41Ring-Retaining1
10***65Circlip1
11***57Pin1
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276-8206 Rotating Gp-Pump -Propel
10***65Circlip1
11***51Bearing1
19***83Seal-Shaft1
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251-1733 Rotating Gp-Pump -Vibratory
09***41Ring-Retaining2
10***65Circlip1
11***45Shim; (1.2-mm Thk)1
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195-1096 Rotating Gp-Pump -Vibratory
09***41Ring-Retaining1
10***65Circlip1
11***57Pin1
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174-5734 Tank Gp-Hydraulic
08***88Cap Group-Hydraulic Oil Tank1
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
11***14Switch As-Temperature; (Hydraulic Oil)1
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183-3116 Valve & Mtg Gp-Bypass
16***53Valve Group-Bypass; -Hydraulic Oil Cooler1
18***16Valve & Mtg Group-Bypass1
3D***24O-Ring - For Oil Drain & Level Plug (Items 3 & 7)1
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179-9527 Valve & Mtg Gp-Control
12***47Elbow1
17***27Valve & Mtg Group-Control1
19***01Control Group-Propel1
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148-5608 Valve & Mtg Gp-Control
14***08Valve & Mtg Group-Control1
22***33Valve Group-Control; -Shift-Brake1
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve3
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7x-8382 Valve Gp-Control
11***07Kit-Detent; (Valve Control)1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
5L***18Bolt-Socket Head; (1/4-20x1.75-In)4
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162-2453 Valve Gp-Bypass -Hydraulic Oil Cooler
12***34Valve Group-Bypass; (Hydraulic Oil Cooler)1
16***53Valve Group-Bypass; -Hydraulic Oil Cooler1
19***64Body-Valve1
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147-6937 Valve Gp-Control
14***37Valve Group-Control1
15***86Valve Group-Solenoid1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
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220-4133 Valve Gp-Control
22***33Valve Group-Control; -Shift-Brake1
22***65Valve Group-Solenoid; -Shift1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
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139-7747 Valve Gp-Flushing -Propel Motor
10***17Seal-O-Ring2
12***91Plug2
12***96Valve-Piston1
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194-8505 Valve Gp-Flushing -Vibratory Piston Motor
10***17Seal-O-Ring2
10***18Seal-O-Ring2
10***04Seal-O-Ring1
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139-3269 Valve Gp-Flushing -Propel Motor
13***69Valve Group-Flushing; -Propel Motor1
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195-4972 Valve Gp-Pump Control
11***16Seal1
12***94Plug; (Break Off)1
12***69Plug2
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198-5431 Valve Gp-Pump Control -Vibratory
12***13Gasket-Control1
13***75Bolt-Socket Head1
13***78Spring1
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177-9810 Valve Gp-Pump Control -Propel, Drum
09***22Bolt-Socket Head; (M5x0.8x10-mm)2
11***74Lever1
11***77Screw1
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177-7867 Valve Gp-Pump Control -Propel, Axle
09***22Bolt-Socket Head; (M5x0.8x10-mm)2
11***74Lever1
11***77Screw1
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243-4349 Valve Gp-Pump Control -Vibratory
19***53Gasket1
20***35Pin2
24***49Valve Group-Pump Control; -Vibratory1
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227-8307 Valve Gp-Pump Control -Vibratory, Fixed Displacement
12***94Plug; (Break Off)2
16***57Plug1
19***70Solenoid As1
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152-1811 Valve Gp-Relief -Pressure Override
12***63Kit-Seal; (Contains Parts Marked J)1
15***11Valve Group-Relief; -Pressure Override-Hydrostatic Pump1
6E***07Locknut-Sealing1
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177-7122 Valve Gp-Relief
11***45Spring1
16***15Retainer-Spring1
17***22Valve Group-Relief; -Charge Pressure-Vibratory Pump1
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151-7986 Valve Gp-Solenoid
15***86Valve Group-Solenoid1
16***12Coil; (24-Volt)1
16***13Kit-Seal; (Shift Solenoid Valve)1
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220-4165 Valve Gp-Solenoid -Shift
16***13Kit-Seal; (Shift Solenoid Valve)0
22***65Valve Group-Solenoid; -Shift1
22***66Cartridge As-Valve1
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Implements
179-9526 Blade Ar
08***19Ballast0
10***06Plate As4
17***37Bumper Group1
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Lubrication System
198-0987 Pump Gp-Engine Oil
06***33Gasket1
10***17Pump As-Engine Oil1
10***16Bolt; (M6x16-mm)2
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140-8911 Valve Gp-Fluid Sampling
14***11Valve Group-Fluid Sampling1
3J***54Packing,Preformed Part Of Kit P/N 5r***271
6V***29Adapter1
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Machine Arrangement
185-4115 Chassis Ar
16***59Frame Group-Front1
17***06Enclosure Group-Engine1
17***34Tank Group-Hydraulic1
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185-4114 Chassis Ar
14***65Scraper Group-Smooth Drum; -Flex, Front1
16***59Frame Group-Front1
17***06Enclosure Group-Engine1
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213-9176 Conversion Ar-Machine
18***96Lighting Group-Signal1
21***76Conversion Ar-Machine1
21***84Platform Ar-Cab1
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213-9179 Conversion Ar-Machine
18***96Lighting Group-Signal1
21***79Conversion Ar-Machine1
21***87Platform Ar-Cab1
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168-6974 General Ar
16***75Engine Ar-Primary1
16***74General Ar1
17***03Power Train Ar1
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168-6975 General Ar
16***75Engine Ar-Primary1
16***75General Ar1
17***30Power Train Ar1
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Operator Station
155-6361 Air Conditioner & Mounting Gp
11***09Knob-Control1
11***59Gasket; (Air Conditioner)1
14***00Switch As-Rocker; (Vibratory Select On/Off)1
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214-1111 Air Conditioner Ar
15***61Air Conditioner & Mounting Group1
16***24Plate-Instruction; (Air Conditioner)(Air Conditioner)1
17***18Lines Group-Cab Heater1
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183-9304 Air Conditioner Ar
15***61Air Conditioner & Mounting Group1
16***24Plate-Instruction; (Air Conditioner)(Air Conditioner)1
17***00Compressor Group-Refrigerant1
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156-6821 Air Conditioner Gp
03***26Retainer1
03***38Clamp2
10***43Plate-Orifice2
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214-7636 Arm Gp-Window Wiper -Front
13***88Clip3
13***90Nozzle As-Washer1
19***21Bolt-Socket Head; (M6x1x25-mm)4
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189-4432 Cab Ar
11***26Film-Window; (Front)(Top Inside Windshield)1
18***32Cab Ar1
18***33Cab Group1
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189-5679 Cab Ar
14***12Rops Group-Enclosed1
14***14Liner Group-Cab1
14***16Wiper & Washer Group-Window1
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189-4438 Cab Ar
11***26Film-Window; (Front)(Top Inside Windshield)1
18***29Seat Group-Adjustable1
18***32Cab Ar1
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177-7817 Cab Ar
10***42Mirror Group-Rear View; -Exterior1
14***13Filter Group-Cab Air1
14***21Panel Group-Instrument1
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146-1672 Cab Gp
10***45Glass-Front; (Center)(Lh)1
10***46Glass-Cab Corner; (Lh Rear)1
10***47Glass; (Rear)1
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189-4433 Cab Gp
09***59Washer, Spring1
10***11Screw-Machine; (3/8-16x0.75-In)1
11***04Plate Assem.; (Lh)1
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106-5122 Compressor Gp-Refrigerant
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***22Compressor Group-Refrigerant; -Air Conditioner1
18***39Pin-Connector; (14-Ga To 18-Ga)(For 14 Gauge Wire)2
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179-1300 Compressor Gp-Refrigerant
10***22Compressor Group-Refrigerant; -Air Conditioner1
14***23Plate As1
14***24Bracket As1
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179-1501 Condenser & Mtg Gp-Refrigerant
17***36Bracket-Rh2
17***37Bracket-Lh2
17***01Condenser & Mtg Group-Refrigerant1
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148-5641 Console Gp-Operator
03***38Screw; (6-32x1.0in)4
09***73Splice-Wire3
09***66Washer; (Hard) (4.5x9x1mm Thk)4
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194-3890 Control Gp-Blade
14***38Boot1
19***90Control Group-Blade1
1B***01Nut Generator Line Leads; Nut-Generator Line Leads2
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210-8208 Control Gp-Direction & Speed
10***50Support Assem.1
11***75Plate1
14***04Bracket1
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143-5924 Control Gp-Direction & Speed
03***48Clip; (11.11mm .437in Id)1
09***49Bolt; (M8x1.25x40-mm)2
10***50Support Assem.1
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186-3380 Control Gp-Handle -Propel Lever
08***72Seal-O-Ring1
10***16Screw; (4-40x15.88-mm)4
10***19Switch-Push Button; (Vibratory Select On/Off)1
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197-3300 Control Gp-Propel
00***58Nut; (1/4-20-Thd)2
03***55Locknut; (5/16-18-Thd)(Marked X)1
07***67Race-Thrust Bearing2
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197-3301 Control Gp-Propel
00***58Nut; (1/4-20-Thd)2
03***55Locknut; (5/16-18-Thd)(Marked X)1
07***67Race-Thrust Bearing2
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188-2505 Door Gp-Cab
10***17Cover; (Lh)(Lh)1
16***47Plate1
16***57Latch As-Door; (Hold Open)(Lh)1
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146-1692 Door Gp-Cab
09***23Ring-Retaining; (External)2
10***15Door Assem.; (L.H.)1
10***17Cover; (Lh)(Lh)1
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143-5948 Duct Gp-Cab Air
10***91Screw; (Flat Head) (No.6-20x0.5in)28
11***59Screw-Pan Head; (10-16x0.75-In)15
14***48Duct Group-Cab Air1
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143-5913 Filter Gp-Cab Air
11***05Filter Element-Cab Air; (Standard Efficiency)2
11***56Knob-Control2
14***13Filter Group-Cab Air1
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160-6367 Floor Mat Gp -Cab
14***99Floor Mat-Cab1
14***00Insulation1
16***67Floor Mat Group; -Cab1
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179-4690 Floor Mat Gp -Open Platform
17***90Floor Mat Group; -Open Platform1
17***99Floor Mat As1
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183-6617 Gauge Gp-Vibratory
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
12***32Tachometer; (-Instrument)1
13***80Harness As-Sensor; (Vibratory)1
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211-0059 Guard Gp-Vandalism
08***06Piston, Mount-Resilient1
12***78Locknut; (M6x1-Thd)1
17***66Plate1
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143-5928 Heater & Mtg Gp-Cab
11***09Knob-Control1
11***59Gasket; (Air Conditioner)1
14***28Heater & Mtg Group-Cab1
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213-9189 Heater Gp-Cab
14***28Heater & Mtg Group-Cab1
17***18Lines Group-Cab Heater1
21***89Heater Group-Cab1
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156-6820 Heater Gp-Cab
03***26Retainer1
03***38Clamp2
10***43Plate-Orifice2
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135-2929 Module Gp-Warning Indicator -Engine Temperature
11***79Lamp; (24-Volt)(Temperature Selection)4
13***29Lighting Group-Warning; -Engine Temperature1
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143-5914 Liner Gp-Cab
10***32Lamp Group-Dome1
11***61Insulation1
11***19Lamp; (24-Volt, 10-Watt)1
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189-4434 Liner Gp-Cab
18***34Liner Group-Cab1
19***58Insulation1
19***60Insulation1
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179-2011 Lines Gp-Air Conditioner
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
11***33Switch As-Pressure; (A/C)1
12***53Spacer-Special; (Split)3
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177-7818 Lines Gp-Cab Heater
00***43Elbow 5wd342 - Up Including 5wd329 - 335, 5wd337 - 3402
10***41Connector-Tube1
13***53Hose; (192.5cm) (X2)0
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201-7205 Meter Gp-Vibratory
20***05Meter Group-Vibratory1
20***25Box; (Indicator)1
20***26Cable1
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167-1325 Meter Gp-Vibratory
16***19Box; (Processor)1
16***20Harness As-Wiring; (Vibratory)1
16***21Gauge Group-Compaction1
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159-2809 Meter Gp-Vibratory
11***27Screw-Machine; (M6x1x30-mm)4
13***46Converter Group-Electrical; (24-Volt To 12-Volt)1
15***09Meter Group-Vibratory1
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240-7043 Meter Gp-Vibratory -Variable Frequency
08***35Regulator As1
11***27Screw-Machine; (M6x1x30-mm)4
11***60Terminal-Blade; (12-Ga To 14-Ga)1
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201-7200 Meter Gp-Vibratory
08***83Washer; (0.8mm Thk)2
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
10***09Kit-Connecting Plug; (4-Pin)(Sensor Wiring Harness)1
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107-4643 Mirror Gp-Rear View -Interior
10***43Mirror Group-Rear View; -Interior1
11***56Plate2
23***46Nut-Jam; (3/8-16-Thd)2
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189-4442 Mirror Gp-Rear View
18***42Mirror Group-Rear View1
19***95Mount As2
19***31Mirror As2
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107-4642 Mirror Gp-Rear View
10***42Mirror Group-Rear View; -Exterior1
12***21Bracket Assem. (L.H.)1
12***22Bracket Assem. (R.H.)1
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184-3147 Module Gp-Speed & Vibratory
08***72Seal1
08***35Regulator As1
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
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155-5784 Motor Gp-Window Wiper
13***11Motor Group-Window Wiper; (24-Volt, 2-Speed)(Front)1
15***84Motor Group-Window Wiper; -24-Volt1
20***23Cap; (Wiper)1
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155-5783 Motor Gp-Window Wiper
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
15***83Motor Group-Window Wiper; -Front1
18***35Pin-Connector; (16-Ga To 18-Ga)5
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143-5926 Mounting Gp-Cab
05***74Pin4
14***26Mounting Group-Cab1
15***42Washer; (70.75x143x10-mm Thk)2
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193-8272 Mounting Gp-Cab
15***26Sleeve; (Mounting)2
19***72Mounting Group-Cab1
3E***83Sleeve2
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198-1447 Mounting Gp-Cab
19***47Mounting Group-Cab1
7X***63Bolt-Plt; (M20 X 2.5 X 60)8
8T***23Washer-Plated; (22x35x3.5-mm Thk)16
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177-7992 Operator Ar
14***24Control Group-Direction & Speed1
14***31Control Group-Steering1
14***33Panel Group-Control1
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143-5934 Panel Gp-Control
09***66Washer; (Hard) (4.5x9x1mm Thk)2
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
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143-5934 Panel Gp-Instrument
09***66Washer; (Hard) (4.5x9x1mm Thk)2
10***16Plug1
10***42Diode Group3
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143-5933 Panel Gp-Control
03***49Nut-Self Lock; (No.10.Unc)2
03***14Screw; (10-32x1-In)2
09***66Washer; (Hard) (4.5x9x1mm Thk)3
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143-5921 Panel Gp-Instrument
03***49Nut-Self Lock; (No.10.Unc)2
03***14Screw; (10-32x1-In)2
09***66Washer; (Hard) (4.5x9x1mm Thk)3
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213-9187 Platform Ar-Cab
14***21Panel Group-Instrument1
14***24Control Group-Direction & Speed1
14***31Control Group-Steering1
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213-9184 Platform Ar-Cab
14***21Panel Group-Instrument1
14***24Control Group-Direction & Speed1
14***31Control Group-Steering1
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179-0483 Platform Gp-Operator
05***74Pin4
14***69Cover As1
15***42Washer; (70.75x143x10-mm Thk)2
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189-4423 Platform Gp-Operator
14***03Floorplate As1
14***99Floor Mat-Cab1
18***23Platform Group-Operator1
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143-5912 Rops Gp-Enclosed
14***12Rops Group-Enclosed1
14***03Floorplate As1
14***72Cab Group1
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143-5944 Seat Gp -Vinyl
14***44Seat Group; -Vinyl1
15***94Seat Group-Adjustable; -Vinyl1
17***23Tether2
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201-0848 Seat Gp
10***97Kit-Fastener1
14***69Seat Belt Group1
17***23Tether2
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143-5925 Seat Gp -Cloth
14***25Seat Group; -Cloth1
15***95Seat Group-Adjustable; -Cloth1
17***75Bracket2
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189-4429 Seat Gp-Adjustable
18***29Seat Group-Adjustable1
18***30Seat Group-Suspension1
18***31Bracket2
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156-6195 Seat Gp-Adjustable -Cloth
15***10Kit-Stop; (Adjustable Seat)1
15***11Kit-Spring; (Adjustable Seat)1
15***13Kit-Cushion; (Adjustable Seat)1
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156-6194 Seat Gp-Adjustable -Vinyl
15***10Kit-Stop; (Adjustable Seat)1
15***11Kit-Spring; (Adjustable Seat)1
15***12Kit-Cushion; (Adjustable Seat)1
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189-4430 Seat Gp-Suspension
18***30Seat Group-Suspension1
20***52Cushion-Backrest1
20***53Cushion-Seat1
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155-4774 Tank Gp-Window Washer
15***74Tank Group-Window Washer1
15***77Reservoir1
7T***90Pump As; (Washer)2
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196-4078 Washer Gp-Window
12***12Adapter-Arm1
13***14Tank As-Window Washer1
14***95Hose; (650-cm Each)0
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130-3643 Window Gp -Lh
09***57Screw-Machine; (M5x0.8x5.2-mm)6
13***43Window Group; -Lh1
13***70Seal; (326-cm)0
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193-8948 Window Gp-Cab
11***29Washer; (6.6x22x2-mm Thk)1
18***29Handle1
18***34Seal0
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153-7817 Window Gp-Cab -Rh
09***57Screw-Machine; (M5x0.8x5.2-mm)6
13***70Seal; (326-cm)0
15***15Gasket1
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180-2535 Window Gp-Door
13***70Seal; (326-cm)0
14***69Stop1
15***15Gasket1
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143-5916 Wiper & Washer Gp-Window
14***16Wiper & Washer Group-Window1
14***95Hose; (650-cm Each)0
15***74Tank Group-Window Washer1
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191-6076 Wiper Gp-Window
15***79Wiper Arm Pivot Group1
15***81Arm-Window Wiper; (Rear)(Rear)1
15***82Arm As-Wiper; (Front)(Front)1
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Power Train
174-4053 Axle & Mtg Gp-Drive
15***44Planetary Group-Final Drive1
16***87Axle Group1
17***53Axle & Mtg Group-Drive1
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169-3287 Axle Gp
05***44Rod-Brake Control2
05***55Pin-Pivot4
05***56Link-Plain4
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163-0053 Differential Gp
176-0335 Drive Gp-Drum
11***52Seal-O-Ring1
12***59Motor Group-Piston; -Propel, Drum1
14***70Plate-Drum Drive1
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161-1155 Drive Gp-Drum
11***52Seal-O-Ring1
12***59Motor Group-Piston; -Propel, Drum1
16***55Drive Group-Drum1
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161-2357 Drum Gp-Drive & Vibratory
16***55Drive Group-Drum1
16***57Drive Group-Support & Vibratory1
16***57Drum Group-Drive & Vibratory1
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161-1154 Drum Gp-Drive & Vibratory
16***54Drum Group-Drive & Vibratory1
16***57Drive Group-Support & Vibratory1
16***61Drum Group-Smooth1
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201-2248 Drum Gp-Padded
16***57Drum Group-Drive & Vibratory1
17***36Bumper Group-Front1
18***92Scraper Group-Padded Drum1
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161-2358 Drum Gp-Padded
06***58Seal-O-Ring; (Oil Pan Drain Plug)2
12***16Plate As2
14***21Shaft1
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201-2249 Drum Gp-Padded
12***16Plate As2
16***59Drum As-Padded1
16***36Plate-Drum Drive1
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201-2246 Drum Gp-Smooth
14***65Scraper Group-Smooth Drum; -Flex, Front1
16***54Drum Group-Drive & Vibratory1
17***51Bumper Group-Front1
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201-2247 Drum Gp-Smooth
12***76Shell1
12***16Plate As2
14***79Drum As-Smooth1
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161-1161 Drum Gp-Smooth
06***58Seal-O-Ring; (Oil Pan Drain Plug)2
14***21Shaft1
14***79Drum As-Smooth1
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9r-6598 Housing Gp-Axle -Center
2S***80Cup-Tapered Roller; Cup-Roller Bearing1
6L***20Plug-Zinc Rod2
8M***93Ring-Retaining1
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184-3413 Hydraulic Ar-Propel
14***06Motor & Mtg Group-Propel1
14***08Valve & Mtg Group-Control1
17***27Pump & Mtg Group-Propel1
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180-2944 Installation Gp-Drum
16***75Spacer; (1.6-mm Thk)2
17***44Spacer; (1.6-mm Thk)2
17***48Spacer; (2.0mm Thk)2
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178-0650 Lines Gp-Propel
12***41Hose As; (3/8-16x4.75in)1
13***08Clamp As1
14***47Hose As1
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148-5606 Motor & Mtg Gp-Propel
12***60Motor Group-Propel; -Propel, Axle1
14***06Motor & Mtg Group-Propel1
3D***24O-Ring - For Oil Drain & Level Plug (Items 3 & 7)1
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201-3413 Planetary Gp-Final Drive
09***07Bolt; (M16x2x120-mm)6
09***58Ring-Retaining3
13***64Disc-Friction5
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155-6744 Planetary Gp-Final Drive
09***92Pin-Spring2
09***19Ring-Retaining3
15***16Plug-Drain; (Final Drive Planetary)1
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177-0903 Power Train Ar
16***54Drum Group-Drive & Vibratory1
17***53Axle & Mtg Group-Drive1
17***03Power Train Ar1
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177-0930 Power Train Ar
16***57Drum Group-Drive & Vibratory1
17***53Axle & Mtg Group-Drive1
17***30Power Train Ar1
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176-9827 Pump & Mtg Gp-Propel
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
12***01Hub As-Coupling; (Propel Pump)1
12***09Elbow4
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180-1503 Wheel & Tire Gp
18***03Wheel & Tire Group1
18***06Wheel & Tire Group1
18***72Wheel & Tire Group1
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179-2227 Wheel & Tire Gp
13***66Wheel & Tire Group2
17***27Wheel & Tire Group1
5H***04Washer Rear Bracket Assembly To Frame; Washer-Rear Bracket Assembly To Frame16
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180-1506 Wheel & Tire Gp
07***95Cap, Valve Stem1
07***06Nut-Valve Stem1
07***92Valve1
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183-9572 Wheel & Tire Gp
07***95Cap, Valve Stem1
07***06Nut-Valve Stem1
07***92Valve1
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201-3074 Wheel & Tire Gp
20***73Rim Group1
20***74Wheel & Tire Group1
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130-7966 Wheel & Tire Gp
07***95Cap, Valve Stem1
07***06Nut-Valve Stem1
07***92Valve1
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201-3075 Wheel & Tire Gp
20***74Wheel & Tire Group2
20***75Wheel & Tire Group1
5H***04Washer Rear Bracket Assembly To Frame; Washer-Rear Bracket Assembly To Frame16
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Service Equipment And Supplies
220-2112 Film Gp
10***64Plate-Warning; (No Clearance)2
13***03Film-Warning; (Jump Start, Read Omm)2
19***45Plate-Warning; (Read Operation Manual)1
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161-6359 Film Gp
16***59Film Group; -English1
16***73Plate-Warning; (Read Operation Manual)1
16***83Plate-Warning-Rops/Fops; (4 Post)1
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201-0183 Film Gp -Stripe
20***83Film Group; -Stripe1
20***69Film-Stripe; (Lh)1
20***70Film-Stripe; (Rh)1
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166-8527 Plate & Film Gp
16***75Plate-Warning; (Read Operation Manual)1
16***85Plate-Warning-Rops/Fops1
16***27Plate & Film Group1
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166-8528 Plate & Film Gp
16***99Plate-Warning; (Read Operation Manual)1
16***86Plate-Warning-Rops/Fops1
16***28Plate & Film Group1
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213-9211 Plate & Film Gp
11***40Film-Identification; (Hydraulic Oil Level)1
13***13Tag-Antifreeze; (Extended Life Coolant)1
15***02Reflector; (Red)2
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190-1724 Plate & Film Gp
11***40Film-Identification; (Hydraulic Oil Level)1
13***13Tag-Antifreeze; (Extended Life Coolant)1
15***02Reflector; (Red)2
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166-8526 Plate & Film Gp
16***74Plate-Warning; (Read Operation Manual)1
16***84Plate-Warning-Rops/Fops1
16***26Plate & Film Group1
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166-8529 Plate & Film Gp
16***00Plate-Warning; (Read Operation Manual)1
16***87Plate-Warning-Rops/Fops1
16***29Plate & Film Group1
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191-1748 Plate & Film Gp
11***40Film-Identification; (Hydraulic Oil Level)1
13***13Tag-Antifreeze; (Extended Life Coolant)1
15***02Reflector; (Red)2
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Steering System
143-5931 Control Gp-Steering
03***57Wheel-Hand Steering1
10***84Bolt-Socket Head; (M10x1.5x25-mm)4
10***41Cover1
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177-4157 Cylinder & Mtg Gp-Steering
10***40Spacer; (10.74x17.14x7-mm Thk)4
10***06Pin As2
14***42Hose As; (Winch)1
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177-7512 Lines Gp-Steering
10***53Clamp2
14***39Clamp4
15***81Hose As1
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183-2959 Lines Gp-Steering Cylinder
11***46Hose As1
18***59Lines Group-Steering Cylinder1
18***71Hose As1
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174-5433 Pump & Mtg Gp-Steering
09***66Bolt; (M8x1.25x75-mm)1
17***58Pump Group-Gear1
17***33Pump & Mtg Group-Steering1
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1g-9787 Pump Gp-Metering
05***50Seal3
07***45Bearing Kit (Consists Of Parts Marked K)1
10***53Kit-Parts Control1
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Vibratory System
161-1157 Drive Gp-Support & Vibratory
06***58Seal-O-Ring; (Oil Pan Drain Plug)1
16***57Drive Group-Support & Vibratory1
16***58Support Group-Vibratory1
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161-1162 Housing Gp-Eccentric Weight
12***87Shaft1
12***39Seal2
12***40Bearing2
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161-1165 Housing Gp-Eccentric Weight
12***88Shaft1
12***39Seal4
12***40Bearing2
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184-3412 Hydraulic Ar-Vibratory
17***73Lines Group-Hydraulic Filter1
17***78Pump & Mtg Group-Vibratory1
17***67Lines Group-Vibratory1
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177-4367 Lines Gp-Vibratory
10***53Clamp2
13***08Clamp As2
14***50Guard1
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185-6763 Pump & Mtg Gp-Vibratory
11***64Flange-Adapter2
12***85Elbow 90 Degree1
18***62Pump Group-Piston; -Vibratory, Variable Displacement1
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177-4278 Pump & Mtg Gp-Vibratory
11***64Flange-Adapter2
12***85Elbow 90 Degree1
14***27Connector Group1
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161-1163 Shaft Gp-Eccentric Weight
14***92Shaft1
16***63Shaft Group-Eccentric Weight1
16***64Lobe-Weight1
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161-1158 Support Gp-Vibratory
12***75Boot-Seal1
15***46Plug-Magnetic; (Final Drive Planetary)1
16***58Support Group-Vibratory1
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Work Tools
224-3391 Blade Gp-Compactor
07***70Bushing-Terminal1
14***48Edge-Cutting2
14***49Edge-Cutting2
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CS-663E serial number reference

The Product Identification Number (PIN) plate is a riveted metal tag on the machine frame; the factory manual's own illustration points to the lower front area of the machine near the bumper/articulation section. Effective the first quarter of 2001, Caterpillar changed the PIN format from 8 characters to 17 characters: characters 1-3 are the World Manufacturing Code, characters 4-8 are the Machine Descriptor, character 9 is a check character, and characters 10-17 are the Machine Indicator Section (the sequential build number, formerly called the Serial Number). Machines built before the first quarter of 2001 kept the older 8-character format (3-letter prefix plus digits). Because CS-663E production began right around this changeover, a given unit may carry either PIN style. In both formats the 3-letter prefix (ASB or DAG for CS-663E) identifies the model and production block, and the digits that follow are the sequential build number within that block. Caterpillar issues combined parts and service literature that lists CS-663E and CP-663E (padfoot) prefixes side by side, so always confirm the prefix against the PIN plate or with your dealer before ordering parts by prefix alone.

PrefixIdentifies
ASBCS-663E vibratory soil compactor, earlier production build
DAGCS-663E vibratory soil compactor, later production build

Frequently asked questions

What engine does the Caterpillar CS663E use?

The CS663E runs the Cat 3056E turbocharged diesel, rated at 129 kW (173 hp) gross power and 123 kW (165 hp) net power, with air-to-air aftercooling that holds full power up to 2500 m (about 8,200 ft) elevation without derating.

What is the operating weight of the CS663E?

Operating weight runs roughly 16.5-19.4 t (18.1-21.4 US ton). It varies by configuration: drum type, cab versus open ROPS canopy, and ballast all shift the number, so confirm the exact figure against the specific machine's build sheet.

What replaced the Caterpillar CS663E?

Cat discontinued the E-Series 663 around 2007 and carried its power class forward into the CS74 production-class vibratory soil compactor, later updated to the CS74B. The CS663E itself had succeeded Cat's earlier D-Series soil compactors.

What CS-663E owners discuss

What engine powers the CS-663E, and does it have any known quirks?
The CS-663E is powered by the Cat 3056E turbocharged diesel, rated roughly 129 kW (173 hp) gross / 123 kW (165 hp) net (exact rating varies by configuration/series). Owners of 3056E-powered Cat equipment report the fuel system is more finicky to bleed than most diesels of this class, and trapped air after filter changes is a common no-start complaint. Fuel restriction from debris in the tank has also shown up as intermittent power loss or hard starting. On some machines a voltage-load protection module mounted near the ECM has been blamed for crank-but-no-start faults. Have your dealer verify any fuel-system or ECM-related fault codes before assuming a fix.
How does the dual propel/hydraulic system behave in the field?
The CS-663E uses a dual propel pump layout, one balanced hydraulic circuit to the rear axle and a separate one to the front drum motor, which owners credit for good gradeability and reduced spin-out on grade. When the system is worn, the complaint pattern is uneven drive between drum and axle (one end spinning while the other lags) rather than a total loss of propel. Weak or no vibration is more often traced to the eccentric weight-shaft bearings or restricted oil flow through the vibratory circuit than to the propel pumps themselves, so techs are told not to jump straight to a pump swap. Have your dealer verify hydraulic pressures with a gauge before condemning a pump or motor.
What wear patterns show up in the drum and vibratory system?
The weight-shaft bearings inside the drum are sealed to keep the bearing lubricant isolated from outside contamination, but once that seal or bearing wears, the shaft binds and vibration output drops or disappears. The rubber anti-vibration mounts (AVM/drum isolators) between the drum and frame harden and crack with age and heat cycling; when they go, vibration transmits into the frame and cab instead of the ground, and ride and noise get noticeably worse. Inspection checklists for this compactor class also flag the drum cross-roller ring and the du-cone seal as recurring wear points worth checking at every service interval.
What electrical or sensor issues come up most often?
Cat's own electrical documentation groups the CS-563E/CP-563E, CS-573E, CS-583E, CS-663E/CP-663E and CS-683E under one shared wiring architecture, so the same troubleshooting sequence applies across the family. When vibration will not engage, the standard first pass is the instrument-panel fuse, then wiring continuity to the vibratory switch and solenoid valve, then the solenoid and relief valve function inside the anti-lope valve; only after those check out does attention turn to the pump. Corroded connectors at the drum switch are a repeat culprit for intermittent (works-sometimes) vibration rather than a hard failure. Have your dealer verify wiring and solenoid function with a meter, since these circuits interact with the machine's vibration safety interlocks.
Are there structural wear points beyond the drum worth watching?
The articulation joint is called out repeatedly as one of the pricier repairs on articulated compactors this size; listen for clunking or feel for excess play when turning under load. Steering and brake valve plumbing near the hydraulic pump should be checked for leaks and chafed hoses at every inspection. The articulation lock pin (used for transport and service) needs to be confirmed fully seated and secured; it is a structural safety item, not just convenience hardware. Have your dealer verify articulation bearing play and lock-pin engagement, since a folding machine during loading or transport is a serious safety event.
What should I check before buying a used CS-663E?
Run the engine cold and confirm a clean start on the 3056E; a hesitant crank or reliance on ether is a red flag given the known ECM/voltage-module and fuel-bleed issues reported on this engine line. Cycle propel in both directions and load the machine on a grade to check for uneven drum/axle drive from pump or motor wear. Run the vibratory system through its full frequency and amplitude range (roughly 23-30 Hz on this platform, exact range varies by configuration/series) and feel for weak or fading vibration, which points to weight-shaft bearing wear. Check the articulation joint for play, confirm the lock pin is present and functional, and look over the drum's rubber isolator mounts for cracking or collapse. Pull service records if available; because this compactor shares its electrical and hydraulic architecture with the rest of the 563E/573E/583E/663E/683E family, a shop familiar with any one of them can usually diagnose this one. Have your dealer verify hydraulic pressures and any fault-code history as part of a pre-purchase inspection.

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

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