Caterpillar PS-500
Caterpillarpaving compactorpneumatic compactor

Caterpillar PS-500

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar PS-500 is a self-propelled pneumatic (rubber-tired) roller built for finish compaction of asphalt and soil on road and yard construction work. It runs a naturally aspirated Cat 3208 V8 diesel, 10.4 L (636 cu in) displacement, rated 111.9 kW (150 hp) gross at 2300 rpm, fed by a fully mechanical injection system with no electronic engine controls. Power routes through a powershift transmission to an articulated frame carrying seven tires, three front and four rear, on 15.00R24 rubber. Operating weight runs from about 19,000 kg empty to roughly 35,000 kg (77,200 lb) at maximum ballast, adjusted with water, sand, or steel weights loaded into the frame tanks. Serial records place production in the 1980s into the early 1990s under the 7XD prefix, offered as a single configuration with an enclosed ROPS cab, a water spray system for tire release, and adjustable tire pressure for compaction control.

Unlike the smaller PS-150B, PS-200B, and PS-360B pneumatic rollers, which Caterpillar carried into later B-suffix generations on 3054-family engines, the PS-500 was never updated to a second generation. It stayed a single-series machine through its production run, so specifications and equipment stay consistent across surviving units instead of splitting into an early and late spec table. No documented model directly replaced it; Caterpillar's current pneumatic roller line, the CW series, is a different-generation design, not a stated successor. That single-generation status, combined with the 3208 engine's long service life across Cat trucks, generator sets, and marine applications, keeps parts and rebuild expertise for the PS-500 more available than its age would suggest, which is part of why running units and used parts still trade in the heavy-compaction market today.

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 PS-500 specifications

Engine

Engine modelCat 3208, V8 diesel, naturally aspirated
Gross power111.9 kW (150 hp) at 2300 rpm
Net powerNot documented in available spec sheets
Displacement10.4 L (636 cu in)
Cylinders8
Emissions tierNot documented. This is a legacy design (production dating to the early 1990s) that predates tiered emissions regulation

Weights

Operating weight, standard (no ballast)19,000 kg (41,888 lb)
Operating weight, maximum ballast35,000 kg (77,162 lb)
Average weight per wheel, maximum ballast5,000 kg (11,023 lb)
Shipping weightNot separately published; treat standard operating weight as the base reference and add ballast per configuration

Dimensions

Overall length6.27 m (20.6 ft)
Overall width2.50 m (8.2 ft)
Height, top of ROPS3.63 m (11.9 ft)
Wheelbase4.47 m (14.65 ft)
Ground clearance360 mm (14.2 in)
Tire configuration3 tires front axle, 4 tires rear axle, 15.00R24 standard size; pneumatic (rubber-tired) roller, not a drum design

Performance

Maximum travel speed26.6 km/h (16.5 mph)
GradeabilityNot documented in available spec sheets
Ballast rangeOperating weight is adjustable from 19,000 kg standard up to 35,000 kg with full ballast, used to tune compaction effort by job

Service capacities (summary)

Fuel tank310 L (81.9 gal)
Engine oil12.5 L (3.4 gal)
Water spray / dust-suppression tank350 L (92.5 gal)
Hydraulic systemNot documented in available spec sheets
Cooling systemNot documented in available spec sheets

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

PS-500 fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)12.9 L (3.4 US gal)Cat DEO (Diesel Engine Oil), SAE 15W-40 for ambient -9.5°C to 50°C (15°F to 122°F). Switch to SAE 10W-30 for -18°C to 40°C (0°F to 104°F) service. Naturally aspirated Cat 3208 diesel (V8, 10.4 L displacement, gross rating around 150 hp at 2300 rpm).
Cooling systemNot published for this exact model. Comparable Cat pneumatic-roller cooling packages on similar-class diesels run roughly 28-35 L (7.3-9.2 gal); confirm the actual fill against the machine nameplate or dealer literature before servicing.Cat ELC (Extended Life Coolant), 1:1 premix with water gives protection to -37°C (-34°F); a higher-glycol concentrate mix (up to 60%) extends protection to -52°C (-62°F) for arctic service. Cat DEAC conventional antifreeze plus a supplemental coolant additive is an acceptable second choice. Minimum 30% glycol regardless of climate.
Fuel tank310 L (81.9 US gal)No. 2-D distillate diesel fuel, or a No. 1/No. 2 winter blend in cold climates, meeting Cat's off-highway distillate diesel fuel specification. Modern equivalent is ultra-low-sulfur diesel (15 ppm sulfur or less).
Hydrostatic propel / hydraulic system (tank)Not published for this exact model. Comparable Cat pneumatic-compactor hydraulic tanks of this same hydrostatic-drive design run roughly 55-90 L (14.5-23.7 gal) depending on frame size; the PS-500's larger frame likely sits at or above the high end of that range. Confirm against dealer literature.Cat HYDO Advanced 10 (SAE 10W) is preferred for -20°C to 40°C (-4°F to 104°F). Cat HYDO, Cat MTO, Cat DEO, or Cat TDTO are acceptable alternates for other climate bands. The hydrostatic propel motors draw from the same reservoir as the main hydraulic circuit on this drive design; there is no separate transmission fluid fill.
Final drives / axle (planetary, common reservoir)Not published for this exact model. Sibling Cat pneumatic compactors in this size class use roughly 2.7-7.5 L (0.71-2 US gal) per axle set; the PS-500's larger multi-wheel layout likely falls at or above the upper end. Confirm against dealer literature.Cat TDTO (Transmission/Drive Train Oil) meeting the Cat TO-4 specification. SAE 30 for 0°C to 43°C (32°F to 110°F); step down to SAE 10W for service down to -25°C (-13°F).
Grease (chassis, pivots, oscillation joints)No reservoir; serviced point-by-point per the lubrication chart.Cat Multipurpose Grease (NLGI 2, lithium complex) for general-duty pivot and articulation points in moderate climates. Step up to Cat Advanced 3Moly or Cat Ultra 5Moly Grease for heavily loaded oscillating-wheel and drive-line joints, and to Cat Arctic Platinum Grease for sustained service below -30°C (-22°F).

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

Caterpillar PS-500 maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil, coolant, and fuel level before starting the shift.
  • Check inflation pressure on all seven tires; uneven pressure skews the kneading compaction pattern.
  • Fill the water spray tank and confirm the nozzles wet the tires evenly to stop asphalt pickup.
  • Grease the articulation joint, steering cylinder pins, and tie-rod ends weekly.
  • Inspect ballast tanks for leaks or corrosion and confirm ballast weight matches the target operating weight.
  • Check the powershift transmission oil level and check wheel hubs for loose fasteners or seal seepage.
Every 250 h
  • Change engine oil and filter on the 3208 diesel.
  • Replace the fuel filter and drain sediment from the fuel tank.
  • Check fan and alternator belt tension and condition.
  • Service the air cleaner element; dust load builds fast around an exposed engine bay.
  • Check wheel hub oil level at each wheel station.
  • Clean battery terminals and check electrolyte level.
Every 500 h
  • Pull an engine oil sample and a powershift transmission oil sample for analysis.
  • Check the transmission pan for metal and confirm oil level.
  • Inspect the articulation joint and steering cylinder pins for play.
  • Check wet disc brake adjustment and fluid level.
  • Clean the water spray pump strainer and clear clogged nozzles.
Every 1,000 h
  • Change the powershift transmission oil and filter.
  • Change the hydraulic system oil filter.
  • Check and adjust valve lash on the 3208 engine.
  • Inspect the injection pump and injector lines for fuel seepage at the seals.
  • Check wheel hub oil and change where due.
  • Torque-check tire rim mounting hardware given the heavy per-wheel loading.
Every 2,000 h
  • Change hydraulic tank oil.
  • Change final drive and wheel hub oil.
  • Inspect and repack articulation and steering cylinder pin bushings; replace worn ones.
  • Pressure-test the cooling system and clean the radiator core of packed dust.
  • Drain and inspect ballast tanks for interior corrosion or scale buildup.
  • Check injection pump timing and governor linkage.
Every 4,000 h
  • Drain and refill the cooling system with fresh coolant and inspect the water pump.
  • Reseal or rebuild the injection pump if lift-pump seepage has returned.
  • Replace articulation and steering cylinder seals.
  • Inspect tires and rims fully; replace any tire nearing its wear limit under ballasted load.

Servicing the PS-500 beyond the schedule

Predictive Maintenance & Fluid Analysis

Run scheduled oil sampling on the 3208's crankcase and on the powershift transmission's TO-4 fluid; rising metal content in the transmission sample usually flags clutch pack or gear wear before it strands the machine. Pull a coolant sample alongside it, since this naturally aspirated block is prone to head gasket and overheating trouble if the mix degrades. Track tire pressure across all seven tires at every shift start; pressure drift on one wheel station usually means a valve stem or ballast tank leak, not the tire itself.

Corrective & Common Repairs

Fuel seepage at the injection pump's throttle shaft and lift-pump seals is the most common 3208 NA complaint on these rollers; reseal rather than replace the pump when caught early. Clogged water spray nozzles let asphalt stick to the tires, so clear them before blaming the tires themselves. Wheel hub seals often weep under the PS-500's heavy ballasted loads, and wet disc brakes need periodic adjustment as pad wear increases with operating weight. Overheating traces back to a blocked radiator core or a failing head gasket, not ambient temperature.

Overhaul & Rebuild Points

A full injection pump rebuild, not just a reseal, is the standard fix once lift-pump wear reaches the pumping section. Top-end overhaul on the 3208 covers liners, head gasket, and a valve lash reset, since this mechanical engine has no ECM to compensate for drift. Powershift clutch packs are the wear item inside the transmission and warrant a rebuild at major hour milestones. Articulation joint and steering cylinder pins wear oval under constant ballasted turning load and need bushing replacement; ballast tanks need interior descaling where water ballast has sat.

Seasonal & Environment Servicing

Before winter lay-up, drain the water spray tank and any water ballast completely; a frozen tank or line cracks the steel and voids the ballast system's job as much as an engine failure would. Check coolant strength ahead of cold snaps since the 3208 has no glow-plug assist beyond factory-fit starting aids. In hot, dusty asphalt work, clean the radiator and oil cooler cores more often, since baked-on asphalt dust blocks airflow faster than dirt alone. Recheck tire pressure more often in heat, since pressure and ballast affect finish quality.

PS-500 common service parts

Part numberPart
1D-4540Bolt,Machine Fuel Filter MountingCheck fitment →
1R-0750Filter As-FuelCheck fitment →
2S-1286Filter Element As-AirCheck fitment →
6I-2501Filter Element As-AirCheck fitment →
6I-2502Filter Element As-AirCheck fitment →

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

PS-500 fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
High coolant temperature warning lamp (red)Engine coolant temperature has exceeded the safe operating limit, roughly 102 degC (215 degF) on this mechanically governed 3208 install; exact setpoint varies by configuration.Low coolant level, plugged radiator core or screen, slipping or broken fan belt, faulty water pump, or a stuck thermostat.Idle the engine down, do not shut off while hot. Check coolant level, radiator core, belt tension and fan drive before resuming work.
Low engine oil pressure warning lamp (red)Oil pressure has dropped below the minimum safe threshold for the naturally aspirated 3208 V8.Low oil level, clogged oil filter or suction screen, worn oil pump, or worn main/rod bearings.Stop the engine immediately. Check oil level and filter condition, inspect for leaks, and confirm pressure with a mechanical gauge before restarting.
Charging system (alternator) warning lampBattery is not receiving adequate charge from the alternator.Loose, glazed or broken alternator/fan belt, worn brushes, faulty regulator, or a loose/corroded wiring connection.Check belt tension and condition first, then inspect battery terminals and wiring. Test alternator output if the lamp stays on with a good belt.
Air cleaner (intake) restriction indicatorIntake vacuum across the air filter element has reached the service limit.Dirty or clogged primary (and secondary, if equipped) air filter element, or a collapsed intake hose.Service or replace the air filter element per the indicator, then reset the gauge. Inspect intake piping and clamps for damage.
Low fuel level warningFuel tank level has reached the reserve mark on the gauge.Normal fuel consumption during operation; on a mechanical fuel system this is a simple float-gauge reading, not a system fault.Refuel at a safe stop. Bleed the fuel system if the tank has run dry.

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

PS-500 attachments & work tools

Ballast system (water/sand/steel)

Operating weight on this class of roller is built up with ballast rather than swapped tools. The PS-500 runs close to 19 000 kg (41,900 lb) empty and can reach roughly 35 000 kg (77,200 lb) with ballast chambers filled. Siblings in the same pneumatic-roller line ballast with water, wet sand, steel blocks or a mix, loaded through deck cover plates and a water fill port and unloaded through a bolt-on side cover or drain.

Wheel and tire arrangement

Standard layout is 3 front and 4 rear pneumatic wheels (7 total) on smooth-tread tires around 15.00R24. Front and rear tire paths overlap and the axles oscillate so the machine follows soft spots and holds even compaction across the full rolling width. Higher-ply and radial tire options are offered across this compactor class to change ground contact pressure for harder mixes.

Tire water spray / wetting kit

A tank-fed spray bar wets each wheel row to keep hot-mix asphalt from sticking to the tires. Tank size in this class runs 350-400 liters (92-104 gal), gravity-fed as standard with a pressurized spray option to keep flow constant on grades or as the tank empties.

Tire scrapers and heat-retention shields

Retractable or replaceable scrapers ride against each tire to strip off mud or asphalt and can be swung clear when not needed. Coco mats are an option to hold spray water against the tire longer, and bolt-on heat-retention shields (skirts) trap tire heat so hot mix releases instead of sticking.

Tire pressure / inflation system

An air-on-the-run option lets the operator raise or bleed tire pressure from the control console instead of stopping to service the tires, changing ground contact pressure for different mixes or grades. This option is tied to a higher-ply tire fitment rather than the base tire spec, and pressure/ply pairing varies by configuration.

ROPS and sun canopy

A two-post ROPS bolts to flanges welded into the frame and is standard protection across this compactor class. A sheet-metal sun canopy bolts to the ROPS as the factory weather option; this generation of pneumatic roller is not offered with an enclosed cab.

Lighting packages

Factory light kits come as a working-light package (front and rear floodlights) for low-visibility job-site work, and a roading-light package that adds tail lights, parking lights and flashers for travel on public roads between sites.

Attachment mounting method

This machine class has no hydraulic quick-coupler or swap-tool interface. Every option is a factory-fit accessory, bolted ballast plates or blocks, a bolted ROPS/canopy, or a plumbed-in spray/inflation kit, rather than an interchangeable work tool.

All PS-500 assemblies by section

Every catalogued assembly group for the Caterpillar PS-500. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
4n-3904 Adapter Gp-Air Cleaner
2M***80Seal--To Connector Pump Outlet1
4N***04Adapter Group-Air Cleaner; Air Cleaner Adapter Group1
5M***13Plug To Turbocharger Lubrication Valve Body Assembly2
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1g-3237 Air Cleaner Gp
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly1
0S***18Bolt; (5/16-18x1-In)(Hydraulic Pump)2
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***461
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2p-5080 Air Cleaner Gp
07***26Clamp2
08***00Collar2
08***55Clamp1
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6i-2559 Air Cleaner Gp
07***26Clamp2
08***55Nut2
08***64Collar2
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4n-5867 Elbow Gp-Exhaust
07***26Clamp2
08***55Nut2
08***64Collar2
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1g-3236 Exhaust Gp
1G***36Exhaust Group1
1S***92Cup As-Air Cleaner1
2S***86Filter Element As-Air; (Secondary)(Air Cleaner)1
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6i-3830 Kit-Air Cleaner
4P***24Seal-O-Ring1
6I***01Filter Element As-Air1
6I***02Filter Element As-Air; -Secondary1
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9n-0735 Lines Gp-Pcv
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting8
1D***17Nut-Plate And Angle Assembly To Hydraulic And Fuel Tanks; Nut Plate And Angle Assembly To Hydraulic And Fuel Tanks8
8L***69Elbow2
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4n-5875 Manifold Gp-Exhaust
03***74Washer; (6.6x19x1.5-mm Thk)13
08***35Silencer2
08***85Collar1
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9n-0555 Manifold Gp-Inlet
10***50Film; (Air Cleaner) (Radial Seal) (On Air Cleaner Cover)1
9N***55Manifold Group-Inlet; Inlet Manifold Group1
9S***74Gasket (Outer)1
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4m-0310 Precleaner Gp
2S***40Clamp-Hose To Nipple2
4M***10Precleaner As1
5M***13Plug To Turbocharger Lubrication Valve Body Assembly1
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121-7746 Precleaner Gp
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter16
12***46Precleaner Group1
5B***90Plug-Pipe2
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7c-6353 Valve Gp-Pcv
3B***15Bolt Guard Assembly To Accessory Drive Housing7
6N***39Pipe-Air Inlet1
7C***53Valve As-Pcv1
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128-8011 Valve Gp-Pcv
12***11Valve Group-Pcv1
1M***50Bowl1
1S***63Bolt (5/16)1
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Basic Engine
122-8962 Air Compressor Gp
06***50Hose Assem. 63.50cm(25in.)Long1
0S***91Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***824
12***62Air Compressor Group1
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6n-6090 Air Compressor Gp
12***46Precleaner Group1
12***62Air Compressor Group1
1N***20Fan Group-Blower1
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6n-8895 Air Compressor Gp
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***466
1B***02Nut (.3125" Diameter); Nut-- Generator Line Leads2
1S***07Gasket1
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122-8966 Air Compressor Gp
06***50Hose Assem. 63.50cm(25in.)Long1
0T***72Bolt; 7/16" Diameter X 1 1/2" Length Generator To Engine4
12***66Air Compressor Group2
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9n-0728 Camshaft Gp
15***46Kit-Unloader; (Air Compressor)1
2B***95Cap Screw--Tube Assembly To Air Inlet Pipe2
3B***05Washer,Lock Tube Assembly Mounting; Used On Engine P/N 5r6982
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9l-6065 Cover Gp-Cylinder Block
1N***60Gear As-Camshaft Drive; (102 Teeth)1
4F***25Gasket; (Generator Lube Oil)1
5P***83Dowel .625 In. (15.88 mm) Long1
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9l-7861 Cover Gp-Flywheel Housing
5B***66Plug; (16.2mm O.D.)1
9L***61Cover Group-Flywheel Housing; Flywheel Housing Cover Group1
9N***75Dowel1
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4w-6968 Cover Gp-Valve Mechanism
1C***69Bolt (1/2 In. Long 5/16 In. Dia.); Support Assembly To Heater Group4
2H***55Bolt 15.88mm(.625in.); 1.59cm(.62in.)Lg.4
4W***68Cover Group-Valve Mechanism1
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4w-6973 Cover Gp-Valve Mechanism
4W***73Cover Group-Valve Mechanism1
9L***29Cover-Rocker Arm1
9L***20Gasket-Cover; (Valve Mechanism)1
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9n-0730 Cover Gp-Valve Mechanism
4W***73Cover Group-Valve Mechanism1
4W***66Cover Group-Valve Mechanism1
9L***39Cap-Oil Filler; (Turbocharger)1
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4w-6972 Cover Gp-Valve Mechanism
4W***72Cover Group-Valve Mechanism1
7C***53Valve As-Pcv1
9L***30Cover-Rocker Arm1
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9n-8009 Cover Gp-Valve Mechanism
4W***68Cover Group-Valve Mechanism1
4W***72Cover Group-Valve Mechanism1
9L***39Cap-Oil Filler; (Turbocharger)1
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4w-7066 Cover Gp-Valve Mechanism
4W***66Cover Group-Valve Mechanism1
9L***98Cover Assembly-- Rocker Arm-- L.H.1
9L***20Gasket-Cover; (Valve Mechanism)1
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9n-0169 Cover Gp-Valve Mechanism
12***11Valve Group-Pcv1
9L***97Cover Assembly-- Rocker Arm-- R.H.1
9L***20Gasket-Cover; (Valve Mechanism)1
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9n-6222 Crankshaft Gp
1W***36Crankshaft Seal Group--Rear1
7N***90Gear (51 Teeth)1
9N***21Crankshaft Assem.1
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2w-0085 Crankshaft Gp
2W***85Crankshaft Group1
9L***90Gasket-Cover2
9L***97Cover Assembly-- Rocker Arm-- R.H.1
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9n-3761 Cylinder Block Gp
4W***91Bearing-Thrust1
4W***92Bearing-Main3
4W***93Bearing-Main1
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7c-3807 Cylinder Head As
2N***43Insert-Intake; 47.2mm(1.86in)Id4
7C***07Cylinder Head As1
8M***60Plug-Cup; (Marked Z)4
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7c-2296 Cylinder Head As
7C***96Cylinder Head As1
9L***65Cover Group-Cylinder Block; Cylinder Block Cover Group1
9N***61Cylinder Block Group; Cylinder Block Group1
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1w-4241 Cylinder Head Gp
1W***41Cylinder Head Group1
2B***58Plug--To Block Upper Front Air Manifold1
5M***13Plug To Turbocharger Lubrication Valve Body Assembly2
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9n-1105 Cylinder Head Gp
1W***59Spring-Valve8
1W***60Retainer-Spring8
1W***97Washer-Spring Seat8
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9n-5590 Damper & Pulley Gp
0L***29Bolt- 7.63 cm(3 In.) Long - Location "H"8
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting1
1W***41Cylinder Head Group2
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6n-8622 Drive Gp-Fan
6N***22Drive Group-Fan1
7C***18Damper As-Crankshaft1
9N***88Washer-Clamp1
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7n-6526 Drive Gp-Fan
0S***85Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine4
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***466
1A***29Bolt (1-1/8") Tube Assembly To Transfer Drive Case2
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7n-7613 Drive Gp-Water Pump
0S***85Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine4
0T***65Bolt--3/8" X 3 1/2"--Use As Required; Bolt 5t***56 Plate To Cover Gp 4n***722
1N***00Plate1
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7c-6032 Housing Gp-Flywheel
10***81Bearing-Special Ball2
2D***23Ring (Internal)1
4K***49Plug-Cup1
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7w-3999 Housing Gp-Flywheel
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting2
0V***75Screw,Cap,Hexagon H Shaft Mtg,Accessory Drive2
1A***29Bolt (1-1/8") Tube Assembly To Transfer Drive Case8
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9n-5211 Housing Gp-Front
0S***71Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting2
1A***29Bolt (1-1/8") Tube Assembly To Transfer Drive Case8
1D***66Bolt Bracket Assembly To Yoke2
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4n-6808 Lifting Gp-Engine
03***60Bolt-Self Locking; (5/16-18x1.0)2
1B***74Plug,Pipe Base Assembly,Engine Oil Filter Assembly3
1D***41Bolt 3.00 In.(7.62 cm) Long7
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1g-3242 Lines Gp-Air Compressor
1g-3234 Mounting Gp-Engine
9n-0565 Pan Gp-Oil
08***55Lockwasher; (Cb224b)2
08***61Washer-Seal2
08***82Washer; (Cb525)2
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9n-6434 Panel Gp-Sound Suppression
08***61Washer-Seal2
08***69Seal1
08***16Screw2
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7w-3901 Piston & Rod Gp
2W***40Pan Group-Oil1
3B***25(Washer Serial No. 32y93856 To 32y988641
6V***76Plug-Magnetic Drain; (Sediment)1
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9n-6435 Piston & Rod Gp
1W***51Panel Assem. (L.H.)1
4B***88Bolt (5/16 X 28.58 mm); (5/16-18x1.125-In)6
4N***15Grommet Assem.6
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2w-4841 Piston Gp
2W***41Piston Group1
7E***28Rod As-Connecting1
7E***94Bearing-Connecting Rod; (Standard)1
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7w-3900 Piston Gp
2W***41Piston Group1
7E***28Rod As-Connecting1
7E***94Bearing-Connecting Rod; (Standard)1
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9n-0783 Pulley Gp-Fan Drive
7E***97Ring As-Piston; (Oil)(Standard)1
7W***46Body As-Piston1
9L***33Ring-Piston; (Compression)(Compression)1
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6n-7691 Pulley Gp-Fan Drive
2W***31Body As-Piston; (Standard)1
2W***45Ring As-Piston; (Oil)1
2W***65Ring Group-Piston; (Consists Of A Complete1
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9n-0542 Seal Gp-Crankshaft
3N***05Seal-Lip Type1
4B***88Bolt (5/16 X 28.58 mm); (5/16-18x1.125-In)2
4N***27Kit (Bearing)1
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9n-3763 Cylinder Block Gp
2B***58Plug--To Block Upper Front Air Manifold1
3B***23Core Plug--Flywheel Housing Pinion Shaft Hole1
3H***52Plug (Core)6
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9n-5224 Support Gp-Engine
0S***19Bolt,Machine Gear Retaining Part Of Kit P/N 1w***466
4N***63Pulley (Auxillary)1
9N***24Support Group-Engine1
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9n-0487 Valve Mechanism Gp
7C***60Seal Group-Crankshaft; (Front)1
7W***00Seal Group-Crankshaft1
9N***87Valve Mechanism Group; Valve Mechanism Group1
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Braking System
1g-3266 Brake Gp-Parking
08***97Rim1
08***13Tire Group; (Central)1
1G***66Brake Group-Parking1
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1g-2765 Brake Gp-Parking
08***40Tire Group; (Central)1
08***02Rim1
1G***65Brake Group-Parking1
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082-8607 Brake Gp-Service
08***93Nut4
08***14Edging; (.4-M Each)0
08***29Cable2
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1g-3353 Brake Gp-Service
08***93Nut4
08***00Lockwasher; (2.3mm Thk)10
08***14Edging; (.4-M Each)0
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082-9425 Control Gp-Brake
08***00Lockwasher; (2.3mm Thk)8
08***02Nut; (Cb525,Cb523)8
08***25Control Group-Brake1
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081-4716 Cylinder Gp-Brake
08***16Cylinder Group-Air1
08***21Plate-Locking1
08***10Hood1
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083-0004 Cylinder Gp-Brake
08***99Elbow3
08***11Hose2
08***44Fitting-Grease3
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081-5085 Cylinder Gp-Master
08***68Nut; (Cb224b)14
08***40Washer8
08***98Ring40
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1g-4097 Lines Gp-Parking Brake
08***00Lockwasher; (2.3mm Thk)14
08***02Nut; (Cb525,Cb523)8
08***13Screw14
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1g-3265 Lines Gp-Service Brake
08***00Lockwasher; (2.3mm Thk)10
08***21Plate-Locking1
1G***29Sheet1
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Cooling System
108-3882 Base Gp-Oil Cooler & Filter
10***82Base Group-Oil Cooler & Filter1
1S***63Plug; (Mounted-Bottom2
8F***97Fitting-- Guide Assembly To Oil Pan1
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7w-1764 Cooler Gp-Fltr Base & Eng Oil
10***80Stud-Hollow2
20***53Base As-Oil Filter1
2M***80Seal--To Connector Pump Outlet1
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1w-7526 Cooler Gp-Engine Oil
0S***17Bolt --Use Open Hole In Compressor Body3
1A***36Bolt; (5/16-18x0.687-In)1
1D***16Nut,Plain,Hexagon Clip Uoc:Bsv,Bsx1
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9n-0729 Cooler Gp-Engine Oil
0S***18Bolt; (5/16-18x1-In)(Hydraulic Pump)3
1D***39Bolt-Top Tank,Bottom Tank To Accessory1
1N***65Plunger-Relief Valve1
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1n-4420 Fan Gp-Blower
0S***18Bolt; (5/16-18x1-In)(Hydraulic Pump)10
1N***20Fan Group-Blower1
5M***14Pipe Plug Cylinder Block Oil Pressure1
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9n-0733 Lines Gp-Water
0S***18Bolt; (5/16-18x1-In)(Hydraulic Pump)10
10***82Base Group-Oil Cooler & Filter1
7C***51Gasket-Oil Cooler1
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9n-3654 Pump Gp-Water
1A***29Bolt (1-1/8") Tube Assembly To Transfer Drive Case4
1W***26Cooler Group-Engine Oil1
5M***94Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler4
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Electrical And Starting System
9w-3043 Alternator Gp-Charging
16***74Cover As1
1J***71Seal (10.52 Degrees I.D.); Seal-O-Ring -- To Adapter1
1P***26Washer 1.53 mm (.06 In.) Thick1
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7c-5796 Alternator Gp-Charging
4W***37Pump Group-Gov & Fuel Inj1
7C***96Alternator Group-Charging1
8M***61Seal (Tachometer Drive Adapter To Cover)1
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1g-3283 Electrical Gp
03***14Bolt-Self Locking; (1/4unc X 1/2)2
0S***15Bolt 19 mm (.75 In.) Long Return Air Console To Enclosed Rops7
1D***33Bolt 5.72 cm(2.25 In.) Long3
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1g-3272 Instrument Gp
0S***15Bolt 19 mm (.75 In.) Long Return Air Console To Enclosed Rops7
1D***33Bolt 5.72 cm(2.25 In.) Long3
1D***16Nut,Plain,Hexagon Clip Uoc:Bsv,Bsx1
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083-1124 Wiring Gp-Lighting
03***21Shim Lever Housing1
03***23Bolt; (1/4-28x1-In)5
08***24Kit-Warning1
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1g-4105 Lamp Gp-Head
1G***05Lamp Group-Head1
1J***71Seal (10.52 Degrees I.D.); Seal-O-Ring -- To Adapter1
1P***26Washer 1.53 mm (.06 In.) Thick1
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1g-4104 Lamp Gp-Head
1G***04Lamp Group-Head1
8M***61Seal (Tachometer Drive Adapter To Cover)1
8M***57Seal-Governor Housing To Cylinder Block1
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108-1029 Lamp Gp-Warning Beacon -Amber
08***33Seal Washer1
08***01Lockwasher; (Cb521,Cb523,Cb525)11
08***46Nut; (Cb521,Cb523,Cb525)9
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082-6747 Lamp Gp-Warning Beacon
08***47Lighting Group; (Rotating Beacon)1
1J***71Seal (10.52 Degrees I.D.); Seal-O-Ring -- To Adapter6
3K***60Plug-O-Ring; (1/2-20 Thd)2
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109-6496 Lighting Gp-Warning Beacon
10***96Lighting Group-Warning Beacon1
1P***52Insulator,Bushing Governor2
4L***58Nut,Plain,Hexagon Governor Control1
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1g-4078 Lighting Gp-Warning Beacon
08***27Seal Washer1
08***94Plug1
08***19Seal-Rubber3
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081-4135 Regulator Gp-Voltage
08***35Regulator As1
0S***94Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly2
1A***60Capscrew, Hex Head (1/2 - 13 X 2 G5); (Hex Head) (1/2-13x2 Gd 8 Z)1
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9n-0683 Shutoff Gp-Electrical
03***12Screw-Forming; (10-24x0.5-In)3
06***17Bolt-Frame4
2K***21Locknut (5/8-18 Thd)1
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4n-9314 Solenoid Gp-Shutoff
09***66Washer; (Hard) (4.5x9x1mm Thk)5
10***63Regulator As-Alternator; (24-Volt)1
1H***44Lockwasher (Bracket To Cab)1
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6t-6122 Solenoid Gp-Shutoff
08***27Bolt3
08***76Connector1
08***03Spacer3
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6t-4750 Solenoid Gp-Shutoff
08***27Bolt3
08***76Connector1
08***03Spacer3
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6n-3749 Solenoid Gp-Shutoff
03***17Tread-Nonskid2
08***93Nut4
08***55Nut4
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6n-9987 Solenoid Gp-Shutoff
03***17Tread-Nonskid2
08***93Nut4
08***35Lockwasher4
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6t-4126 Solenoid Gp-Shutoff
08***85Switch; (Differential Lock)1
08***94Screw15
08***28Seal1
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7n-8884 Solenoid Gp-Shutoff
08***89Lamp1
5E***29Support; (Wire)1
5E***63Reflector1
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6n-9988 Solenoid Gp-Shutoff
08***85Switch; (Differential Lock)1
08***94Screw6
08***28Seal2
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7t-0798 Starting Motor Gp-Electric
6N***49Solenoid As-Shutoff; Solenoid Shut-Off Group1
6T***50Solenoid As-Shutoff; Solenoid Shut-Off Group1
7T***98Starting Motor1
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3t-2652 Starting Motor Gp-Electric
27***00Lens; (Amber)(Warning Beacon)1
3T***52Starting Motor Group1
9R***42Plug As1
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8c-3647 Starting Motor Gp-Electric
7N***82Spring1
8C***47Starting Motor Group; Starting Motor Group-Electric1
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6v-4451 Starting Motor Gp-Electric
2N***11Sending Unit (Water Temperature)1
2N***09Tachometer Drive Adapter1
6N***12Harness Assem.1
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6v-5227 Starting Motor Gp-Electric
03***49Wire Assem.1
0S***16Screw,Cap,Hexagon H Receptacle Mtg; Bolt Brackets To Firewall Assembly2
1W***70Switch As-Start1
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106-8552 Starting Motor Gp-Electric
10***52Starting Motor Group-Electric1
6V***76Screw; (Machine) (8-32x0.25 In)2
7X***51Spring1
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6v-5537 Starting Motor Gp-Electric
4N***18Spring1
6V***37Starting Motor Group-Electric1
6V***76Screw; (Machine) (8-32x0.25 In)2
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4n-9312 Starting Motor Gp-Electric
08***20Washer3
08***90Orange Control Lamp; (Diff Control)1
08***47Lighting Group; (Rotating Beacon)1
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6v-5538 Starting Motor Gp-Electric
6T***26Solenoid Group-Shutoff; Solenoid Gp-Shut-Off1
6T***22Solenoid As-Shutoff; Solenoid Gp-Shut-Off--Ledex Inc1
6V***38Starting Motor Group-Electric1
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6v-4454 Starting Motor Gp-Electric
08***02Washer1
08***01Screw1
08***44Rotary Eccentric Relay1
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6v-4458 Starting Motor Gp-Electric
03***49Wire Assem.1
0S***16Screw,Cap,Hexagon H Receptacle Mtg; Bolt Brackets To Firewall Assembly2
2W***47Gasket1
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3k-1650 Switch Gp-Rotary
3K***50Switch As-Light; -Floodlights1
7T***98Starting Motor1
8C***47Starting Motor Group; Starting Motor Group-Electric1
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9w-1077 Switch Gp-Start
3T***52Starting Motor Group1
4H***69Gasket Starter Mtg Part Of Kit P/N 5r***251
8S***32Bolt; (12 Point Head) (5/8-11x1.75in)3
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3n-8782 Switch Gp-Remote Starting
3N***82Switch Group-Remote Starting1
4N***18Spring1
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1g-3298 Warning Gp-Backup
1G***98Warning Group-Backup1
4H***69Gasket Starter Mtg Part Of Kit P/N 5r***251
6V***51Starting Motor Group-Electric1
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085-0732 Warning Gp-Backup
08***32Warning Group-Backup1
6V***54Starting Motor Group-Electric1
6V***58Starting Motor Group-Electric1
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163-1789 Warning Gp-Backup
16***89Warning Group-Backup1
5C***74Nut (M5x.8 Thd); (M5x0.8-Thd)2
7X***62Washer-Hard; (13.5x19x0.8-mm Thk)5
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1g-3205 Wiring Gp-Machine
10***52Starting Motor Group-Electric1
1G***05Wiring Group-Machine1
6V***37Starting Motor Group-Electric1
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Engine Arrangement
1w-0339 Engine Ar
1W***39Engine Ar1
1W***06Pump Group-Engine Oil1
1W***38Filter Group-Engine Oil1
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9e-2226 Engine Ar
1W***39Engine Ar1
2P***80Air Cleaner Group1
3N***82Switch Group-Remote Starting1
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Frame And Body
1g-3276 Frame Gp
08***55Lockwasher; (Cb224b)2
08***38Screw8
08***82Washer; (Cb525)2
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5e-6577 Hood Gp
08***55Lockwasher; (Cb224b)2
08***11Lockwasher; (Cb522,Cb524)8
08***08Lockwasher; (Cb521,Cb523,Cb525)4
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157-5878 Hood Gp
08***16Screw2
08***20Plug1
08***65Tee1
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1g-3261 Lines Gp-Grease
08***21Bearing1
08***23Ring1
08***33Ring-Snap4
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1g-3297 Skirt Gp-Tire
08***22Rotor1
08***24Ring-Snap1
08***26Ring-Snap2
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171-4473 Support Gp-Platform
08***51Kit-Seal1
08***80Kit-Seal1
17***73Support Group-Platform1
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1g-3296 Suppression Gp-Sound
08***20Gasket1
08***60Pump As1
08***61Valve As-Regulator1
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Fuel System
9l-6743 Control Gp-Governor
1M***50Bowl1
9L***43Control Group-Governor; Governor And Control Group1
9M***39Cover Assem.1
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9n-0740 Drive Gp-Governor & Fuel Pump
03***49Nut-Self Lock; (No.10.Unc)1
3B***02Washer,Lock Circuit Breaker Uoc:Bsv,Bsx7
4B***33Screw,Machine Circuit Breaker Uoc:Bsv,Bsx1
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7w-5993 Drive Gp-Tachometer
5P***34Bolt-Flange Head1
6I***10Spring1
7W***93Drive Group-Tachometer1
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9l-6925 Fastener Gp-Fuel Inj Pump
0S***03Bolt,Machine Fuel Pump Drive Gear Mounting1
4W***20Gear; (69 Teeth)(Fuel Pump Drive)1
5M***16Screw-Machine1
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4n-5868 Filter Gp-Fuel
0S***03Bolt,Machine Fuel Pump Drive Gear Mounting1
12***78Washer1
14***09Gear & Weight As; (55 Teeth)1
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3n-8795 Governor Gp
3N***95Governor Group1
5P***47Seal-Lip; (25.48 mm Od)1
7M***44Cap-Protection; (Tachometer Drive)1
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9n-0435 Lines Gp-Fuel Filter
4B***88Bolt (5/16 X 28.58 mm); (5/16-18x1.125-In)2
9M***74Washer-Hard; (8.8x16x2-mm Thk)(Hard)2
9M***29Seal-Fuel Pump Housing1
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9y-0300 Lines Gp-Fuel Injection
1D***40Bolt,Machine Fuel Filter Mounting2
2S***23Cover As; (Governor)1
4N***79Governor As-Air Compressor1
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7w-1998 Lines Gp-Fuel Injection
0T***55Bolt; (3/8-16x4.25-In)(Location S)1
1R***50Filter As-Fuel; (Advanced Efficiency)(Secondary)1
4B***88Bolt (5/16 X 28.58 mm); (5/16-18x1.125-In)2
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9y-0301 Lines Gp-Fuel Injection
03***16Fitting2
0S***50Clip (Small)1
0S***15Bolt 19 mm (.75 In.) Long Return Air Console To Enclosed Rops1
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3n-8796 Mounting Gp-Governor Control
3N***96Mounting Group-Governor Control1
4W***01Line As-Fuel Injection; (No. 1)1
4W***02Line As-Fuel Injection; (No. 2)1
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4n-4314 Pump Gp-Fuel Priming
4N***14Pump Group-Fuel Priming; Fuel Priming Pump Group1
4W***05Line As-Fuel Injection; (No. 5)1
4W***07Line As-Fuel Injection; (No. 7)1
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9y-0509 Pump Gp-Gov & Fuel Inj
5P***39Screw As-Machine; (5/16-10x0.625-In)3
9L***14Clamp 3.97 mm(.156 In.) Hole1
9L***15Clamp 5.57 mm(.219 In.) Hole1
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9y-0491 Pump Gp-Gov & Fuel Inj
1S***47Seal 17.17 mm. (.676 In.) I.D.1
1T***16Bolt; (5/16-18x0.75-In)(12 Point Hd)8
1W***16Washer-Sealing1
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9y-0511 Pump Gp-Gov & Fuel Inj
5P***39Screw As-Machine; (5/16-10x0.625-In)12
9L***13Clamp 5.57 mm(.219 In.) Hole3
9L***14Clamp 3.97 mm(.156 In.) Hole5
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9y-0492 Pump Gp-Gov & Fuel Inj
1T***16Bolt; (5/16-18x0.75-In)(12 Point Hd)8
2W***30Screw-Button Head1
4W***14Washer1
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9y-0512 Pump Gp-Gov & Fuel Inj
3B***02Washer,Lock Circuit Breaker Uoc:Bsv,Bsx2
3N***20Bracket1
4B***29Screw; (10-24x12.7-mm)2
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9n-6519 Separator Gp-Water
10***08Pump As; (Fuel Priming)1
1B***90Bolt; (5/16-18x1.375-In)(Rh Front Cover)1
1H***14Bolt,Machine Engine Oil Filter Assembly1
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1g-3239 Tank Gp-Fuel
1G***39Tank Group-Fuel1
4N***43Pin,Straight Governor And Fuel Injection Pump Group1
4W***07Pump Group-Gov & Fuel Inj1
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6n-0509 Torque Control Gp
1J***71Seal (10.52 Degrees I.D.); Seal-O-Ring -- To Adapter1
1P***26Washer 1.53 mm (.06 In.) Thick1
2M***71Screw,Cap,Hexagon Fuel Injection Pump2
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Hydraulic System
1g-3241 Cooler Gp-Hydraulic Oil
08***32Seal1
08***49Seal1
08***54Plug1
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161-0786 Cylinder & Mtg Gp-Lift
08***90Kit-Repair1
08***54Plug1
08***98Tank-Oil1
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5e-7081 Cylinder Gp-Hydraulic
03***78Wheel-Hand Steering3
08***93Nut4
08***08Grease Nipple4
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082-7253 Cylinder Gp-Hydraulic
08***25Connector1
08***29Hose1
08***42Elbow1
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1g-3259 Cylinder Gp-Hydraulic
08***99Elbow1
08***01Swivel3
08***76Seal-O-Ring1
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082-8149 Filter Gp-Oil
08***78Kit-Seal1
08***15Kit-Seal1
08***42Locknut4
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1g-3262 Lines Gp-Lifting
08***17Valve1
08***28Valve; (Pressure Limiter)1
08***35Pin1
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1g-3263 Piston Gp-Suspension
08***90Plate2
08***18Nut12
08***29Roller As4
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082-9956 Tank Gp-Hydraulic
08***17Valve1
08***28Valve; (Pressure Limiter)1
08***22Kit-Seal; (Incl Items 30-32)1
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082-8655 Valve Gp-Lifting
08***85Plug1
08***07Nut8
08***63Hose1
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159-9504 Valve Gp-Lifting
08***28Spacer4
08***38Spacer4
08***53Cylinder Group-Hydraulic2
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195-8242 Valve Gp-Lifting
08***08Grease Nipple2
08***18Fitting-Grease2
08***06Ball Joint2
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195-6677 Valve Gp-Lifting
08***33Locknut1
08***41End Fitting1
08***74Nut1
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Lubrication System
1w-2638 Filter Gp-Engine Oil
1D***66Bolt Bracket Assembly To Yoke4
1W***38Filter Group-Engine Oil1
3H***54Washer-Hard; (13.5x22.5x3.0-mm Thk)(Hard)4
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7n-4304 Gauge Gp-Oil Level (Dipstick)
1D***40Bolt,Machine Fuel Filter Mounting8
1W***18Bracket-Shaft2
2B***94Bolt Compression Release Shaft Locking4
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9y-0304 Guide Gp-Oil Level Gauge
1R***13Filter As-Engine Oil2
9Y***04Guide Group-Oil Level; Guide Gp-Oil Level (Rear)1
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7c-6492 Lines Gp-Engine Oil
0S***09Bolt (3/4") Filler Tube Assembly To Transfer Drive Case1
1S***63Plug; (Mounted-Bottom1
5M***94Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler2
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9n-6632 Lines Gp-Engine Oil -Rear
0L***51Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold1
1D***17Nut-Plate And Angle Assembly To Hydraulic And Fuel Tanks; Nut Plate And Angle Assembly To Hydraulic And Fuel Tanks2
5M***94Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler3
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1w-2206 Pump Gp-Engine Oil
1S***63Plug; (Mounted-Bottom1
1W***06Pump Group-Engine Oil1
8F***97Fitting-- Guide Assembly To Oil Pan1
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Machine Arrangement
8c-0054 General Ar
08***50Pump Group-Water1
08***02Pump Group1
08***85Cylinder Group-Master1
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Operator Station
081-5047 Control Gp-Transmission
08***47Block Group-Selector1
1G***31Hose Group-Spray1
1G***95Mat & Mtg Group-Water1
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084-9059 Mounting Gp-Instrument
08***59Box Group-Instrument1
5E***07Plate-Cover1
5E***21Screw1
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7r-2072 Mounting Gp-Instrument
08***94Union2
08***01Elbow1
08***08Coupling2
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1g-3285 Cab Gp
08***54Fitting1
08***78Sprayer Clamp8
08***86Cap; (Water Filler)2
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Cab Group
08***85Hose; (6cm)(2 Each)1
08***83Rod-Threaded1
08***64Spring1
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082-8026 Cab Gp
08***00Collar8
08***66Gasket1
08***86Reducer3
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1g-3284 Cab Gp
08***54Fitting1
08***78Sprayer Clamp6
08***86Cap; (Water Filler)2
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1g-3286 Canopy Gp
08***06Hose2
08***11Nut6
08***00Collar12
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1g-3268 Control Gp-Acceleration
08***06Hose2
08***11Nut3
08***00Collar12
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244-7067 Control Gp-Direction & Speed
08***81Body1
08***08Turbine1
08***84Screw4
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245-2586 Control Gp-Direction & Speed
08***35Lockwasher2
08***64Washer; (Cb521, 523 & 525)4
08***73Support1
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1g-2915 Control Gp-Forward/Reverse
08***11Nut3
08***00Collar8
08***83Lockwasher; (Cb521, 523 & 525)13
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5e-5155 Control Gp-Forward/Reverse
08***11Nut3
08***00Collar8
08***83Lockwasher; (Cb521, 523 & 525)13
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082-6673 Control Gp-Direction & Speed
08***00Lockwasher; (2.3mm Thk)14
08***62Rivet6
08***56Hinge7
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133-6129 Control Gp-Direction & Speed
08***81Body1
08***08Turbine1
08***84Screw4
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1g-4118 Control Gp-Transmission
08***81Body1
08***94Spacer1
08***08Turbine1
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1g-3269 Control Gp-Transmission
08***73Support1
1G***69Control Group-Transmission1
4B***74Washer (Required Only When Bosch Alternator Is Fitted)2
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163-1787 Control Gp-Transmission
08***24Handle2
08***83Lockwasher; (Cb521, 523 & 525)12
08***00Lockwasher; (2.3mm Thk)12
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171-4898 Cylinder & Mtg Gp-Tilt
08***24Handle2
08***64Washer; (Cb521, 523 & 525)4
08***09Nut; (Front & Rear)4
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083-1899 Dashboard Gp
08***38Screw As.1
08***35Lockwasher4
08***77Fork1
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1g-3274 Dashboard Gp
08***68Nut; (Cb224b)12
08***85Nut; (Cb522,Cb524)6
08***18Rod; (Rh)1
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1g-3287 Heater Gp-Cab
08***91Screw4
08***78Block-Control1
08***90Lever Group-Hand Control1
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1g-3275 Indicator Gp-Speed
08***00Lockwasher; (2.3mm Thk)4
08***12Light; (Red Control)1
08***99Nut6
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082-7490 Lever Gp-Propel
08***07Nut2
08***64Washer; (Cb521, 523 & 525)3
08***47Block Group-Selector1
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1g-3280 Lines Gp-Cab Tilt
08***35Lockwasher4
08***07Nut2
08***02Washer4
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1g-3243 Meter Gp-Service
08***96Adapter2
08***72Lever1
08***55Union4
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5e-6552 Mirror Gp-Rear View
08***93Nut4
08***12Light; (Red Control)3
08***23Green Control Lamp1
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110-4438 Module Gp-Speed
08***93Nut5
08***12Light; (Red Control)3
08***23Green Control Lamp1
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8c-0205 Module Gp-Speed
08***93Nut2
08***00Lockwasher; (2.3mm Thk)2
08***68Kit-Thermometer1
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082-6817 Pedal Gp-Brake
08***00Lockwasher; (2.3mm Thk)3
08***97Screw3
08***34Bolt1
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1g-3279 Platform Gp-Operator
08***00Lockwasher; (2.3mm Thk)3
08***55Union2
08***77Hose2
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082-6396 Pump Gp-Cab Tilt
08***00Lockwasher; (2.3mm Thk)4
08***12Light; (Red Control)1
08***54Bolt1
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143-0770 Pump Gp-Cab Tilt
08***00Lockwasher; (2.3mm Thk)4
08***12Light; (Red Control)1
08***54Bolt1
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083-2220 Seat Gp-Suspension
08***44Box-Disc1
08***20Seat Group1
08***91Seal; (.6m)2
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Seat Group
03***21Washer4
10***83Spring-Tension4
10***92Rail-Lower1
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152-1184 Seat Gp-Suspension
08***85Blinker Central1
08***59Guide; (Rubber)1
08***27Bearing; (Use On Right Side)1
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Speedometer Group
08***27Bearing; (Use On Right Side)1
08***89Counter; (Speed/Tach)1
08***06Adapter1
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082-9990 Support Gp-Cab
08***89Kit-Repair1
08***67Pedal As1
08***90Support Group-Cab1
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Power Train
1g-3254 Axle Gp-Front
03***21Shim Lever Housing1
03***23Bolt; (1/4-28x1-In)5
1G***54Axle Group-Front1
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083-1112 Bearing Gp-Differential
08***12Bearing Group-Differential1
3E***25Cover As; (Starting Motor)1
3E***27Kit-Bearing; (Starting Motor)(Incl Bearing Seals & Spacers)1
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193-3874 Cooler Gp-Transmission Oil
19***74Cooler Group-Transmission Oil1
5C***74Nut (M5x.8 Thd); (M5x0.8-Thd)2
7X***62Washer-Hard; (13.5x19x0.8-mm Thk)5
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1g-3249 Cooler Gp-Transmission Oil
1D***19Nut-Retainer To Fan Bracket Assembly3
1G***49Cooler Group-Transmission Oil1
2H***80Screw-Drive; (No 2x0.125-In)2
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082-8382 Cooler Gp-Transmission Oil
03***21Shim Lever Housing1
03***23Bolt; (1/4-28x1-In)5
08***82Cooler Group-Transmission Oil1
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081-5038 Cylinder Gp-Shift
08***38Cylinder Group1
8J***85Plate-Instruction; (Start Switch)(Remote)1
9W***77Switch As-Start; -Heat-Remote1
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082-9517 Differential Gp
08***55Nut1
08***82Washer; (Cb521,Cb523,Cb525)12
08***85Nut; (Cb522,Cb524)2
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155-7212 Differential Gp
1g-3250 Differential Gp
1G***50Differential Group1
3B***01Lockwasher (Part Of 3f***99 Switch)1
5L***00Screw (Part Of 2s***42 Assem.)1
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085-3613 Differential Gp
08***55Nut1
08***14Seal; (.82m)1
08***44Rotary Eccentric Relay1
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156-5372 Differential Gp
08***37Button; (Warning Lights)1
08***41Wiring Harness; (Warning)1
15***72Differential Group1
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1g-3246 Housing Gp-Transmission
03***97Boot1
08***74Washer2
08***94Screw2
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1g-4790 Inflation Gp-Tire
08***76Stud; (Wheel)10
08***77Nut; (Wheel)10
08***65Hub As1
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1g-3290 Inflation Gp-Tire
08***99Cable; (Cb521, 523 & 525)1
08***00Wire As; (Circuit Breaker)1
08***00Harness; (Rear Lights)2
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162-2311 Installation Ar-Transmission
08***74Bearing1
08***89Shim Pack1
08***63Shim Pack1
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1g-3289 Lines Gp-Tire Inflation
08***48Gasket3
08***61Washer-Seal1
08***16Plug2
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4w-7596 Mounting Gp-Torque Converter
08***94Seal-Oil2
08***91Seal-O-Ring4
08***33Seal-O-Ring2
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161-0685 Planetary Gp-Final Drive
08***94Nut1
08***70Washer; (Cb524)2
08***81Kit-Seal1
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1g-3248 Pump Gp-Transmission
08***84Lockwasher7
08***73Breather; (Final Drive)0
08***13Screw14
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162-1979 Reducer Gp-Case & Differential
08***86Bolt12
08***50Nut12
08***27Seal-Oil1
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156-5371 Reducer Gp-Final Drive
05***94Washer; (13.46x22.35x2.29-mm Thk)1
06***88Shim-Bearing Cage; (.003in Thk)2
06***95Dowel-Cap4
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1g-3251 Reducer Gp-Final Drive
08***78Bolt8
08***82Nut8
08***92Differential Group1
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1g-3252 Reducer Gp-Final Drive
00***42Breather; (Generator Oil)1
08***48Gasket1
08***16Plug1
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161-3892 Shaft Gp-Drive
16***92Shaft Group-Drive1
1G***89Lines Group-Tire Inflation1
1G***90Inflation Group-Tire1
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188-1437 Shaft Gp-Drive
16***92Shaft Group-Drive1
16***87Control Group-Transmission1
18***37Shaft Group-Drive1
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1g-3253 Shaft Gp-Drive
08***10Filter1
08***96Screw23
08***53Sleeve6
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082-7040 Tire Gp
08***99Elbow2
08***87Hose2
08***01Swivel1
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084-5513 Tire Gp
08***13Tire Group; (Central)1
0S***88Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter12
3L***91Adapter1
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1g-3245 Transmission & Mounting Gp
08***15Connection4
08***48Gasket12
08***16Plug8
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1g-4640 Transmission Gp
08***18Fitting-Grease2
08***29Ring-Snap2
08***61Bearing4
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1g-3892 Transmission Gp
08***18Fitting-Grease2
08***29Ring-Snap2
08***61Bearing4
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082-9325 Transmission Gp
08***25Transmission Group1
08***59Universal Joint1
0L***78Bolt 44.45 mm(1.75 In.) Long8
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1g-3247 Transmission Gp
15***12Differential Group1
15***71Reducer Group-Final Drive1
16***85Planetary Group-Final Drive1
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083-1985 Union Gp
08***85Union Group; (Incl Items 17 To 21)1
0L***78Bolt 44.45 mm(1.75 In.) Long16
16***91Shaft-Drive1
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1g-3931 Wheel Gp
09***52Ring1
18***38Housing1
18***39Axle1
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1g-3932 Wheel Gp
08***31Flap1
08***16Tire1
1G***80Valve1
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Service Equipment And Supplies
Charts & Films
08***69Rivet12
08***21Plate-Caution; (Battery Warning)2
08***56Plate; (Slinging)4
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1g-3882 Film Gp
08***38Screw6
08***00Lockwasher; (2.3mm Thk)1
08***35Lockwasher16
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1g-3884 Film Gp
08***93Nut4
08***00Lockwasher; (2.3mm Thk)13
08***35Lockwasher8
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1g-3886 Film Gp
08***45Kit-Pump Repair1
08***27Lever-Control1
1G***86Film Group1
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1g-3885 Film Gp
08***93Nut4
08***74Nut; (Cb522,Cb524)4
08***09Nut; (Front & Rear)12
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1g-3883 Film Gp
08***38Screw6
08***83Lockwasher; (Cb521, 523 & 525)4
08***00Lockwasher; (2.3mm Thk)1
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104-3490 Plate & Film Gp
03***21Washer4
09***36Washer, Spring4
10***90Plate & Film Group1
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5e-7578 Plate & Film Gp
14***74Kit-Parts1
14***76Kit-Parts1
14***78Kit-Parts1
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Steering System
081-5270 Pump Gp-Metering
08***93Kit-Seal1
08***70Block Group-Control1
08***55Bolt8
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1g-3267 Control Gp-Steering
08***00Lockwasher; (2.3mm Thk)10
08***21Plate-Locking1
1G***29Sheet1
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1g-3255 Lines Gp-Steering
08***13Spring1
08***16Cylinder Group-Air1
08***69Spring2
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1g-3256 Pump & Mtg Gp-Steering
08***31Spring2
08***36Fork2
08***83Axle2
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1g-3260 Steering Gp
08***17Pedal Group-Brake2
1G***60Steering Group1
1G***14Plate1
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082-6900 Valve Gp-Steering
08***00Lockwasher; (2.3mm Thk)6
08***95Kit-Seal1
08***00Valve Group1
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Water System
083-2224 Bar Gp-Spray
08***60Bolt2
08***26Washer1
08***31Screw1
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083-2584 Bar Gp-Spray
08***18Fitting-Grease2
08***03Protector1
08***58Kit-Seal; (Incl Parts Marked J)1
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1g-3231 Hose Gp-Spray
08***08Grease Nipple2
08***06Ball Joint2
08***87Kit-Seal1
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1g-3295 Mat & Mtg Gp-Water
08***00Filter Element-Oil; (Hydraulic)2
08***05Plug; (Oil Level)1
08***41Breather; (Hydraulic Oil)1
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5e-5517 Pump Gp-Water Spray
08***49Seal1
08***85Seal-Oil1
08***93Seal2
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5e-7738 Pump Gp-Water Spray
08***00Lockwasher; (2.3mm Thk)4
08***99Nut4
08***78Spring1
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1g-3214 Pump Gp-Water Spray
08***15Connection6
08***25Connector1
08***27Seal Washer3
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1g-4791 Spray Gp-Water
08***48Gasket1
08***01Swivel1
08***64Connection2
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081-2909 Strainer Gp-Water
08***09Strainer Group-Water1
20***69Plate1
20***70Bracket2
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PS-500 serial number reference

On Cat pneumatic compactors the PIN/serial plate is riveted to the frame near the operator platform or on the front chassis rail, sometimes also stamped on the frame itself close to the engine bay. The plate shows the full Product Identification Number: a 3-character prefix followed by a sequential number (for example 7XD00123). The prefix identifies the specific model/build series; the sequence number gives build order within that series. Parts-book effectivity is called out as prefix plus sequence number (e.g., S/N 7XD151-UP).

PrefixIdentifies
7XDPS-500 pneumatic (rubber-tired) paving compactor, single production series

Frequently asked questions

What engine does the Caterpillar PS-500 use?

A naturally aspirated Caterpillar 3208 V8 diesel, 10.4 L (636 cu in) displacement, rated 111.9 kW (150 hp) gross at 2300 rpm. It runs a fully mechanical fuel injection system with no electronic engine controls.

What is the operating weight of the Caterpillar PS-500?

About 19,000 kg (41,900 lb) empty. Loading the frame tanks with water, sand, or steel ballast brings it up to roughly 35,000 kg (77,200 lb) at maximum ballast, carried on seven tires (three front, four rear) sized 15.00R24.

What replaced the Caterpillar PS-500?

No documented model took over the PS-500's spot directly. Caterpillar's current pneumatic roller line, the CW series, is a later-generation design rather than a stated successor. Unlike the smaller PS-150B, PS-200B, and PS-360B, which got later B-suffix updates, the PS-500 stayed a single-series machine for its entire production run.

What PS-500 owners discuss

What do mechanics say about the naturally aspirated 3208 diesel in the PS-500?
The PS-500 runs the naturally aspirated V8 3208 with a fully mechanical injection system and no electronic engine controls. Cold starts bring visible smoke and a rough idle until the engine warms; that clears within a few minutes and is normal, not a defect. The block is regarded as a long-life design when oil changes stay current, since the connecting rod bearings have little margin and wear fast once oil gets dirty or contaminated. Heavy black smoke that never clears, or smoke that worsens under load, points to a fuel system issue such as a worn injection pump or tired injectors, not the basic engine design.
How does the powershift transmission act up on this machine?
Complaints center on a shift lever that will not hold in gear, or a false neutral where the machine seems to drop out of gear for a moment before re-engaging on its own. Both usually trace to worn shift linkage or a tired transmission control valve rather than the clutch packs themselves. Using the correct Cat TO-4 transmission fluid matters: an engine oil or a slicker gear oil keeps the clutch discs from gripping properly and causes slipping and delayed engagement. If slipping continues after a fluid and filter change, the control valve or clutch discs need inspection.
Is there a typical tire or wheel wear pattern on the PS-500?
The PS-500 rides on 3 steered front tires and 4 driven rear tires, each wheel mounted to oscillate independently, the classic wobble-wheel layout that lets tires follow ground contour for even coverage. Owners flag uneven tire pressure across that set as the top cause of streaky, inconsistent compaction, ahead of tire condition itself. Ballast, whether water, sand, or steel depending on how the unit was set up, has to stay balanced side to side or the machine leans and wears tires unevenly. Cracked sidewalls and flat spots are common on units that sat outdoors between jobs for long stretches.
What goes wrong with the articulated steering on the PS-500?
Steering runs through hydraulic cylinders acting on the articulation joint between the front and rear frames. Stiff or delayed steering response usually traces to worn pivot pins and bushings at the joint from missed greasing intervals, not the hydraulic pump. Cylinder rod seals weep slowly as the machine ages, and looseness or a clunk when reversing steering direction points to worn joint pins and bushings, treated as routine wear-item maintenance. Because a leaking or worn steering cylinder can affect control on a fully ballasted machine, have your dealer verify the steering cylinders and articulation pivot before the machine goes back into service.
What electrical or sensor issues come up on the PS-500?
There is no ECM or diagnostic codes on this machine; the 3208 predates engine electronics entirely. Reported problems are basic: corroded connectors and cracked harness insulation after decades outdoors, a starter or alternator that tests fine off the machine but fails at a loose or corroded cable connection, and oil pressure or coolant temperature sending units that read erratically or peg out before the actual condition is out of range. Before condemning the engine over a bad gauge reading, mechanics swap in a mechanical test gauge to confirm whether the sender or the engine itself is at fault.
What about the parking and service brakes?
Like most heavy compactors of this era, the parking brake is spring-applied and released by hydraulic pressure, so a brake that will not release usually means low hydraulic pressure or a stuck release circuit rather than worn brake material, while a brake that will not hold on a grade points to worn brake material or a leak in the release circuit. Given the machine's loaded weight on grades, have your dealer verify parking and service brake holding force and release function before putting a used unit back to work.
What should a buyer check before purchasing a used PS-500?
Check tread depth and sidewall condition on all 7 tires and confirm the water spray system and tire inflation system still work, since replacing a full tire set on a machine this size is costly. Cycle the articulation joint through full lock in both directions, watching for play, clunking, or slow response, and check for weeping at the steering cylinder rods. Cold-start the engine and watch for smoke that does not clear, plus listen for rod knock, given the 3208's known sensitivity to neglected oil changes. Run the powershift through every gear and confirm it holds without slipping into false neutral. Inspect the ballast compartments for correct fill and no internal corrosion, and ask for maintenance records, since on a machine this old, service history tells more than the hour meter.

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

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