Caterpillarintegrated toolcarrier(no series)

Caterpillar IT12

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar IT12 is a compact, center-pivot articulated integrated toolcarrier built on the same platform as Cat's 926-family wheel loader. Instead of a fixed bucket, it mounts Cat's IT pin-style quick coupler so one carrier swaps between a bucket, pallet forks, a 4-in-1 bucket, or a material-handling arm without the operator leaving the seat. Power comes from the naturally aspirated Caterpillar 3204 diesel, a mechanically governed 4.4 L inline-four rated at roughly 56 kW (75 hp) gross, driving a powershift transmission and front/rear final drives with no electronic engine controls of any kind. Operating weight runs roughly 7.4 to 7.9 t (16,300 to 17,400 lb) depending on tires, counterweight, and the tool fitted. Cat built the IT12 from roughly 1985 to 1989, and some parts catalogs carry the same 3204-powered 2YC and 4NC serial blocks into the early 1990s. It sat at the small end of Cat's original IT lineup alongside the larger IT14, IT18, and IT28, offered with single or dual rear tires, an optional rear counterweight, and a ROPS/FOPS cab or canopy.

The IT12B that followed dropped the 3204 for the Caterpillar 3114 diesel, a different engine with its own bucket and tipping-load charts, and moved quick-coupler pin actuation from a hydraulic control lever to an electro-hydraulic cab switch. Operating weight, wheelbase, and service capacities shifted with it, so IT12 and IT12B parts and specifications do not interchange even though the model numbers look related. In today's used and parts market, the plain IT12 is a low-volume, pre-electronic machine: no ECM, no fault codes, nothing to scan, which keeps troubleshooting down to gauges, a multimeter, and mechanical know-how. Documentation is thin because the machine predates the web-catalog era, so buyers and shops lean on 3204-engine cross-references and 926-family chassis commonality to source parts, and on the PIN plate's 2YC or 4NC prefix to confirm which generation they actually have before ordering anything.

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 IT12 specifications

Engine

Engine modelCat 3204, inline 4-cylinder diesel, naturally aspirated (mechanically governed, no electronic controls)
Displacement4.4 L (269 cu in)
Gross powerapprox. 56 kW (75 hp) at rated governed speed
Net powerapprox. 48-51 kW (65-69 hp); equipment classification guides place this loader in the 60-69 hp net bracket
Emissions tierPre-emissions-era mechanical diesel; no EPA or EU emissions tier applies to this production era
Generation noteThe base IT12 (built into the early 1990s, sometimes catalogued as IT12F) runs the Cat 3204. The later IT12B is a distinct, separately-built successor with a Cat 3114 (same 4.4 L displacement family, rated 81 hp gross / 75 hp net at 2400 rpm) — do not mix the two engine ratings

Weights

Operating weightapprox. 7.4-7.9 t (16,300-17,400 lb); figures vary by source and configuration (attachment, tire, counterweight)
Shipping weightNot separately published in available spec sheets
Ground pressureNot published for this model

Dimensions

Transport lengthapprox. 6.78-6.81 m (22 ft 3 in - 22 ft 4 in), varies with bucket/attachment fitted
Transport widthapprox. 2.44 m (8 ft 0 in)
Transport heightapprox. 2.92-3.02 m (9 ft 7 in - 9 ft 11 in)
WheelbaseNot published for the base IT12; the later IT12B is listed at 2.34 m (7 ft 8 in) but that figure should not be assumed for the earlier machine
Ground clearanceNot published for the base IT12 in available spec sheets

Performance

Travel speedNot separately documented for the base IT12 in available spec sheets — verify gearing with your dealer
Breakout force / static tipping loadNot published for the base IT12; class-comparable toolcarrier data exists only for the later, differently-engined IT12B and should not be applied to this machine
Articulation / steeringCenter-pivot articulated-frame steering, standard for this integrated-toolcarrier class

Service capacities (summary)

Fuel tankNot published in available spec sheets
Hydraulic systemNot published in available spec sheets
Engine oilNot published in available spec sheets
Cooling systemNot published in available spec sheets

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

IT12 fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter) - Cat 3204 dieselNot published for this specific chassis. Generic 3204 crankcase-with-filter figures in circulation range widely, roughly 9-19 L (2.5-5.0 US gal), depending on oil pan and application - confirm against the serial-specific OMM before a service fill.Cat DEO (Diesel Engine Oil). Use SAE 15W-40 for most ambient ranges; drop to SAE 10W-30 in sustained cold below freezing. Follow the multi-viscosity chart printed on the OMM's lubricant page for the exact cutoff temperatures.
Cooling systemNot published for this specific chassis. Engine-only 3204 cooling capacity figures range roughly 12-20 L (3.2-5.3 US gal) before radiator and hose volume is added; total system size depends on the toolcarrier's radiator, which is not documented in general references.Cat DEAC (Diesel Engine Antifreeze/Coolant) concentrate mixed to a 50/50 water ratio for typical service. Richen the antifreeze ratio for extreme cold per the freeze-protection table on the coolant container; do not exceed the maximum glycol ratio listed there.
Fuel tankNot documented in publicly available specification sources for the plain IT12 (pre-B). Verify against the machine's own OMM or a dealer parts lookup by serial number.No. 2-D diesel fuel for normal operation; switch to No. 1-D diesel in sustained sub-freezing conditions to avoid fuel waxing.
Transmission (powershift)Not documented in publicly available sources for the IT12. Confirm with the serial-specific OMM.Cat TDTO (Transmission/Drive Train Oil, TO-4 performance level). Select the SAE viscosity grade (10W, 30, etc.) from the TDTO temperature chart for the expected ambient range at time of service.
Final drives (each, front and rear)Not documented in publicly available sources for the IT12; final drive housings on this chassis are checked/filled individually per side.Cat TDTO (TO-4), matching the transmission fill. Machines of this era typically run one drivetrain-oil family across transmission and final drives, but confirm this against the OMM rather than assuming a shared fill.
Axle differentialsNot broken out as a separate fill point in general references for this articulated loader-based toolcarrier; the differential is integral to the axle/final-drive housing rather than a standalone compartment.Same fluid family as the final drives - Cat TDTO (TO-4) - unless the OMM specifies a separate axle housing fill.
Hydraulic system and tankNot documented in publicly available sources for the IT12. Verify against the serial-specific OMM before a service fill.Cat TDTO (TO-4). Wheel loaders and toolcarriers of this vintage predate Cat's dedicated hydraulic-oil (HYDO) branding and commonly share the drivetrain TDTO fluid across the hydraulic tank; confirm this on the OMM's lubricant page rather than assuming it, since later toolcarrier generations moved to a dedicated hydraulic oil.
Grease (spec only)No fill quantity applies; grease is applied per lubrication fitting on the service schedule, not as a system fill.Cat Multipurpose Grease (MPGM), NLGI 2, moly-fortified EP grease for chassis pins, bushings, and the loader linkage.

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

Caterpillar IT12 maintenance schedule

Service intervalTasks
Every 10 h
  • Walk around the machine daily and check for leaks, loose fasteners, and visible damage before starting it.
  • Check engine oil, coolant, and hydraulic tank levels daily before starting the shift.
  • Drain water and sediment from the fuel tank daily.
  • Grease the articulation joint, steering-cylinder pins, and loader linkage weekly.
  • Check battery electrolyte level, tire condition, and quick-coupler pin lubrication weekly.
Every 250 h
  • Change engine oil and replace the oil filter.
  • Clean or replace the primary air filter element.
  • Check alternator and fan belt tension and condition.
  • Inspect quick-coupler pins and loader-linkage bushings for wear.
  • Check powershift transmission oil level.
Every 500 h
  • Replace the fuel filter element.
  • Grease the less-frequent chassis and steering-linkage fittings.
  • Check final drive oil level, front and rear.
  • Inspect the articulation joint and steering-cylinder pins for play.
  • Check charging system output and battery condition.
Every 1,000 h
  • Change powershift transmission oil and clean the transmission screen.
  • Change final drive oil in both the front and rear housings.
  • Check and adjust engine valve lash.
  • Clean the engine crankcase breather.
Every 2,000 h
  • Change hydraulic system oil and filter.
  • Change engine coolant, or test it and renew the corrosion inhibitor.
  • Pull oil samples from the engine, transmission, and hydraulic system for lab analysis.
  • Recheck and adjust valve lash.
  • Inspect the wiring harness and starter/alternator connections for corrosion.
Every 4,000 h
  • Inspect cylinder liners, pistons, and rings if blowby smoke or oil consumption has increased; plan an inframe overhaul if compression is low.
  • Inspect crankshaft main and rod bearings for wear at the next oil pan service.
  • Overhaul the powershift transmission clutch packs and torque converter if slippage or overheating has occurred.
  • Rebuild or replace worn articulation-joint and steering-cylinder pins and bushings as a set.
  • Overhaul the fuel injection pump and governor if hard starting or surging persists despite routine cleaning.

Servicing the IT12 beyond the schedule

Predictive Maintenance & Fluid Analysis

The IT12 has no ECM and no fault codes, so fluid condition is the only early-warning system. Send engine oil out for analysis at every change and watch for metal in the drained oil or filter, a sleeper sign of crankshaft bearing wear on this NA 3204. Because transmission, final drives, and hydraulics commonly share Cat TDTO fluid on this era of toolcarrier, a sample from one system can flag cross-contamination in another before it shows up as heat or slippage.

Corrective & Common Repairs

Hard starting is the top complaint on this NA 3204: check injectors and cylinder compression before assuming the batteries or glow system are at fault. A gummed governor and sticking fuel rack cause surging or a failure to return to idle; free the rack and renew the governor housing gasket and shaft seal rather than living with it. On the chassis, loose articulation and steering-cylinder pins show up as wobble under load, and a dry quick-coupler gets slow to lock; grease and inspect both before blaming the hydraulics.

Overhaul & Rebuild Points

Blue-white blowby smoke on the 3204 usually means worn liners, pistons, or rings once compression drops, and it is the clearest signal an inframe overhaul is due rather than another injector swap. Budget for powershift transmission clutch pack and final drive planetary wear at high hours, since this chassis has seen decades of loader-duty cycling on many surviving units. The center articulation joint and steering-cylinder pins and bushings are the other major wear-and-rebuild point on an integrated toolcarrier this age; replace them as a set, not piecemeal.

Seasonal & Environment Servicing

Below-freezing weather calls for SAE 10W-30 oil instead of 15W-40 and a switch to No. 1-D diesel to stop fuel waxing; check the coolant glycol ratio before the cold snap arrives. If a cold-start aid is fitted, confirm whether it uses ether or glow plugs; the two are never combined on this engine. In hot, dusty yard or quarry work, watch the air cleaner indicator, clean the radiator core more often, and shorten the grease interval at the articulation joint and coupler pins, since dust cuts grease life fast.

IT12 common service parts

Part numberPart
6V-7614Film-IdentificationCheck fitment →

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IT12 fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
No electronic fault code system (pre-ECM machine)The IT12 is built around the naturally aspirated Cat 3204 diesel with a mechanical governor and mechanical (jerk-pump) fuel injection. It has no engine control module and no CID/FMI/MID diagnostic code display of the type used on later electronic Cat engines.Machine generation predates Caterpillar's electronic engine monitoring; not a fault, just the design era.Troubleshoot with mechanical gauges, a multimeter, and the shop manual's flow charts instead of an electronic service tool; a scan tool will not pull codes from this machine.
OIL PRESSURE lamp (red)Red warning lamp on the instrument panel lights when engine oil pressure drops below the safe minimum. This is a simple lamp, not a numbered code.Low oil level, worn oil pump, clogged oil filter, or a failed pressure sender/switch.Stop the engine immediately, check oil level and look for leaks, then verify actual pressure with a mechanical test gauge before restarting.
CHARGE (alternator) lampLamp lights when the charging system is not putting out current to the battery.Loose or broken alternator belt, failed alternator or regulator, or corroded/loose battery connections.Check belt condition and tension and battery terminals first, then bench-test or replace the alternator as needed.
WATER TEMP gauge - red zoneAnalog coolant temperature gauge needle moves into the red high-temperature range; there is no coded alarm, just the visual gauge position.Low coolant level, plugged radiator core, slipping or broken fan/water pump belt, or a stuck thermostat.Reduce load, let the engine idle down and cool, then check coolant level, belt, and radiator core before resuming work.
TORQUE CONVERTER OIL TEMP gauge - red zonePowershift transmission/torque converter oil temperature gauge reads above the normal operating range.Low transmission fluid, a plugged torque converter oil cooler, or sustained high-load/high-stall operation.Reduce load and let the machine cool, then check fluid level and inspect the converter oil cooler for restriction.
AIR CLEANER service indicatorMechanical vacuum-type indicator on the air intake shows a red/yellow flag when intake restriction is high; not an electrical or numbered code.Dirty or clogged primary air filter element, typically from dusty operating conditions.Inspect the air filter element and clean or replace it, then reset the indicator.

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

IT12 attachments & work tools

General-purpose buckets

Standard work tool for this loader class, heaped capacity roughly 1.0-1.6 m3 (1.3-2.1 yd3) depending on configuration. Mounts on the front-end quick coupler in place of forks or other tools. Bolt-on cutting edge is the typical wear option.

Pallet forks

Common factory pairing with the bucket on this model; used-equipment listings for the IT12 regularly show a bucket-and-fork set delivered together. Forks mount on the same coupler carriage as the bucket and swap without extra tooling.

Multi-purpose (4-in-1) bucket

Offered across this integrated-toolcarrier loader line for combined dozing, grading, clamping, and loading duty. Runs on the same front coupler as the plain general-purpose bucket and uses the loader's standard tilt circuit only, no extra hydraulic kit needed.

IT quick coupler / mounting system

Front-end tool mount is Cat's Integrated Toolcarrier (IT) pin-style quick coupler, letting the operator swap a work tool without leaving the seat. On this generation the coupler pins are hydraulically actuated by a control lever/valve; later Series II toolcarriers moved this function to an electro-hydraulic cab switch, so actuation hardware differs by generation.

Auxiliary (third-function) hydraulic kit

Grapples, brooms, and rakes need a third hydraulic circuit beyond the loader's standard lift and tilt functions. This is an add-on kit, not included on a plain bucket-and-fork machine, and it sizes the tool's clamp or rotor flow.

Grapple buckets and brush/waste attachments

Grapple buckets and brush rakes are offered for loaders in this size class for scrap, brush, and waste handling. They draw off the third-function hydraulic circuit rather than the base tilt circuit.

Broom / sweeper attachment

A hydraulically driven broom is available for yard and site cleanup on loaders in this class. Like the grapple, it runs off the auxiliary third-function circuit, not the standard two-function hydraulics.

Material-handling arm/boom

This toolcarrier line also offers a material-handling arm for suspended-load work in place of the bucket. It carries a lower static tipping load rating than the bucket or forks, so load charts differ by tool fitted.

Counterweight and operator guarding

A factory rear counterweight option is available on loaders in this class to offset the added reach and load of forks or a material-handling arm. A ROPS/FOPS-certified cab or canopy is the standard operator guarding baseline for the platform.

Engine and generation note for fitment

The IT12 (distinct from the later IT12B) is powered by the naturally aspirated Cat 3204 diesel, a four-cylinder 4.4 L engine rated roughly 65-76 hp (48-57 kW) depending on source. The IT12B update switched to the Cat 3114 diesel with revised bucket and lift specs, so confirm generation before ordering a tool sized to one or the other.

All IT12 assemblies by section

Every catalogued assembly group for the Caterpillar IT12. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
4n7914 Air Cleaner Group
4n0307 Air Cleaner Group
4n0312 Exhaust Extension Group
1w5054 Air Lines Group
1W***54Lines Group-Air; Air Lines Group1
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7n4971 Exhaust Manifold Group
7N***71Manifold Group-Exhaust; Exhaust Manifold Group1
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7n4970 Muffler Group
Basic Engine
6n2393 Camshaft Group-Single
6N***93Camshaft Group-Single; Camshaft Group-Single1
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2w4385 Valve Mechanism Cover Group
2W***85Cover Group-Valve Mechanism; Valve Mechanism Cover Group1
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Crankshaft Bearing Replacements
8N***71.51 mm--Front Main--Non-Grooved3
8N***72.51 mm--Front Main--Non-Grooved3
8N***730 Standard--Front Main--Non-Grooved; 0 (Standard)-Front Main-Non-Grooved3
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7w3926 Crankshaft Gp
7W***26Crankshaft Group; Crankshaft Group1
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2w8368 Crankshaft Gp
2W***68Crankshaft Group; Crankshaft Group1
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1w4327 Cylinder Block Assembly
2w7902 Cylinder Block Assembly
1w4326 Cylinder Block Group
1W***26Cylinder Block Group; Cylinder Block Group1
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7c3805 Cylinder Head As*R
7c2296 Cylinder Head As
7c2320 Cylinder Head As-Service*R
7w9390 Cylinder Head As
6n2467 Cylinder Head Group*R
6N***67Cylinder Head Group; Cylinder Head Group1
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1w2280 Cylinder Head Group
6n2467 Cylinder Head Gp*R
6N***67Cylinder Head Group; Cylinder Head Group1
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7w9392 Cylinder Head Gp*R
7n5141 Fan Drive Group
7N***41Drive Group-Fan; Water Pump Drive Group1
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2w4386 Engine Ar-Part 1 Of 2
1W***55Gear Group-Front; Front Gear Group1
1W***26Cylinder Block Group; Cylinder Block Group1
1W***54Lifting Group1
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2w7488 Engine Ar-Part 1 Of 2
1W***55Gear Group-Front; Front Gear Group1
1W***26Cylinder Block Group; Cylinder Block Group1
1W***54Lifting Group1
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2w4386 Engine Ar-Part 2 Of 2
1N***24Filter Group-Oil; Oil Filter Group1
1N***03Cooler Group-Engine Oil; Engine Oil Cooler Group1
1W***62Filler Group-Oil1
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2w7488 Engine Ar-Part 2 Of 2
1N***24Filter Group-Oil; Oil Filter Group1
1N***03Cooler Group-Engine Oil; Engine Oil Cooler Group1
1W***62Filler Group-Oil1
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7n6937 Flywheel Group
4n0184 Flywheel Group
1w1355 Front Gear Group
1W***55Gear Group-Front; Front Gear Group1
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7n6344 Flywheel Housing Group
7N***44Housing Group-Flywheel; Flywheel Housing Group1
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2w4384 Front Housing Group
2W***84Housing Group-Front; Front Housing Group1
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1w5554 Lifting Group
6n8370 Oil Pan Group
8n4079 Connecting Rod & Piston Group-4 Required
8N***79Piston & Rod Group; Connecting Rod And Piston Group1
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2w8419 Piston Gp
7n5138 Crankshaft Pulley Group
7N***38Pulley Group-Crankshaft; Auxiliary Drive Pulley Group1
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4n0654 Engine & Transmission Support Group
8n0118 Engine & Transmission Support Group
1w5720 Valve Mechanism Group
1W***20Valve Mechanism Group; Valve Mechanism Group1
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Cab, Gauges And Accessories
7v9507 Seat Belt Group
8y4037 Seat Belt Gp
7v9506 Seat Belt Group
6w8505 Adjuster Gp-Seat
6W***05Adjuster Group-Seat; -Suspension1
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4v7849 Suspension Seat Adjuster Group
5g4257 Cab Arrangement-European Market
5G***09Heater Group-Cab; Heater Group1
5G***10Mirror Group-Rear View; Rear View Mirror Group1
5G***11Wiring Group-Cab; Cab Wiring Group1
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5g4200 Cab Arrangement-European Market
5C***92Film Warning On Rear Glass Above Grab Iron1
5G***00Lighting Group; Lighting Group1
5G***00Cab Ar; Cab Arrangement1
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5g4202 Cab Arrangement-European Market
5C***92Film Warning On Rear Glass Above Grab Iron1
5G***00Lighting Group-Roading; Roading Lighting Group1
5G***41Wiring Group; Roading Wiring Group1
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6s9502 Cab Arrangement
6S***20Washer Group-Windshield; Windshield Washer Group1
6S***29Wiper Group-Windshield; Windshield Wiper Group1
6S***41Wiring Group-Cab; Cab Wiring Group1
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5g4325 Cab Group-European Market-Part 1 Of 3
5g4325 Cab Group-European Market-Part 2 Of 3
6s9503 Cab Group-Part 1 Of 2
5g4325 Cab Group-European Market-Part 3 Of 3
6s9503 Cab Group-Part 2 Of 2
5g6139 Non-Rops Conversion Ar
5G***01Dash Group1
5G***28Tank Group-Fuel1
5G***53Tank Group-Hydraulic1
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4v9830 Seat Cover Group
5g6261 Dash Gp
5g1401 Dash Gp
5g3374 Dash Group-European Market
5g3226 L.H. Door Group
5g3240 Air Intake Door Group
5g3999 L.H. Door Group
6s9555 R.H. Door Group
5g3315 Storage Door Group
6s6928 Defrosting Fan Group
5g3493 Floormat Group-European Market
5G***93Floor Mat Group-Cab; Cab Floormat Group1
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5g2521 Cab Floormat Group
5G***21Floor Mat Group-Cab; Cab Floormat Group1
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5g5738 Gauge Gp-Instrument
5g2419 Instrument Panel Vandalism Guard Group
5G***19Guard Group-Vandalism; Vandalism Guard Group1
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5g3309 Cab Heater Group-European Market
5g4577 Cab Heater Group
6s8983 Sound Suppression Liner Group-Canopy
6S***83Liner Group-Sound Suppression; Sound Suppression Liner Group1
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5g2579 Sound Suppression Liner Group-Firewall
5G***79Liner Group-Sound Suppression; Firewall Liner Group1
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5g3779 Sound Suppression Liner Group
5G***79Liner Group-Sound Suppression; Sound Suppression Liner Group1
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5g3479 Heater Lines Group-European Market
5G***79Lines Group-Heater; Heater Lines Group1
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5g5310 Wheel Loader Arrangement-European Market
5G***73Floorplate Group; Floorplate Group1
5G***74Dash Group; Dash Group1
5G***66Ladder Group; Ladder Group1
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5g5311 Wheel Loader Arrangement-European Market
5G***73Floorplate Group; Floorplate Group1
5G***74Dash Group; Dash Group1
5G***66Ladder Group; Ladder Group1
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5g5136 Merchandising Arrangement-Cab Roading--European Market
5G***00Cab Ar; Cab Arrangement1
5G***36Merchandise Ar1
5G***11Loader Ar-Wheel; Wheel Loader Arrangement1
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5g5135 Merchandising Arrangement-Cab Roading--European Market
5G***02Cab Ar; Cab Arrangement1
5G***35Merchandise Ar1
5G***10Loader Ar-Wheel; Wheel Loader Arrangement1
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5g5137 Merchandising Arrangement-Cab Roading--European Market
5G***02Cab Ar; Cab Arrangement1
5G***37Merchandise Ar1
5G***11Loader Ar-Wheel; Wheel Loader Arrangement1
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5g5134 Merchandising Arrangement-Cab Roading--European Market
5G***00Cab Ar; Cab Arrangement1
5G***34Merchandise Ar1
5G***10Loader Ar-Wheel; Wheel Loader Arrangement1
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5g3310 Rear View Mirror Group-European Market
5G***10Mirror Group-Rear View; Rear View Mirror Group1
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6s9464 Cab Mounting Group
6s9430 Front Panel Group
5g4419 R.H. Panel Group
5g2477 Vandalism Protection Arrangement-Dash
5G***19Guard Group-Vandalism; Vandalism Guard Group1
5G***77Protection Ar-Vandalism; Vandalism Protection Arrangement--------1
5G***12Cap Group-Protection; Fuel Filler Protection Cap Group1
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6s5963 Rops Ar
5G***01Dash Group1
5G***28Tank Group-Fuel1
5G***53Tank Group-Hydraulic1
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6s9535 Rops Group
5g2830 Seat & Support Gp
5g2830 Support & Seat Group
5g4024 Seat & Support Gp-European Market-Type 2
5G***24Seat & Support Group; Seat And Support Group1
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5g4024 Seat & Support Gp-Type 3
5G***24Seat & Support Group; Seat And Support Group1
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5g4024 Support & Seat Gp-European Market-Type 1
5G***24Seat & Support Group; Seat And Support Group1
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6s7596 Seat Gp-Part 2 Of 2
6s7596 Seat Gp-Part 1 Of 2
3v8252 Suspension Seat Group
3V***52Seat Group-Suspension; Suspension Seat Group1
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6w9744 Seat Gp-Suspension
6W***44Seat Group-Suspension; -Vinyl, Low Back1
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3v8252 Seat Gp-Suspension
3V***52Seat Group-Suspension; Suspension Seat Group1
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6s3626 Suspension Seat Group
6S***26Seat Group-Suspension; Suspension Seat Group-------------------1
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5g2359 Speedometer Group
6s7557 Speedometer Group
5g2458 Sound Suppression Arrangement-85 Decibel-Operator
5G***58Suppression Ar-Sound1
5G***21Floor Mat Group-Cab; Cab Floormat Group1
5G***79Liner Group-Sound Suppression; Sound Suppression Liner Group1
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5g0552 Sound Suppression Arrangement-80 Decibal Spectator
4N***20Fan Group-Suction; Suction Fan Group1
5G***52Suppression Ar-Sound1
5G***00Guard Group-Radiator; Radiator Guard Group1
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2v7961 Suspension As-Seat
5v4861 Suspension Gp-Seat-Part 2 Of 2
5v4861 Suspension Gp-Seat-Part 1 Of 2
6w8502 Suspension Gp-Seat-Part 1 Of 2
6w8502 Suspension Gp-Seat-Part 2 Of 2
5v4861 Seat Suspension Group-Part 1 Of 2
5v4861 Seat Suspension Group-Part 2 Of 2
5g3314 Washer Group-European Market
5G***14Washer Group-Windshield; Washer Group1
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6s6920 Windshield Washer Group
6S***20Washer Group-Windshield; Windshield Washer Group1
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5g4323 Cab Window Group
5g4871 L.H. Cab Window Group
5g4882 Cab Window Group-(Both Sides)
5g3312 Front Wiper Group-European Market
5G***12Wiper Group-Front; Front Wiper Group1
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5g3313 Rear Wiper Group-European Market
5G***13Wiper Group-Rear; Rear Wiper Group1
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6s6929 Windshield Wiper Group
6S***29Wiper Group-Windshield; Windshield Wiper Group1
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Chassis
6s3348 Fixed Axle Group-Front
5g5306 Oscillating Axle Group-Rear
5g1398 Rear Bumper Group
5g5378 Counterweight Group
5g5436 Counterweight Group
5g2530 Hood Side Door Group
5G***30Door Group-Hood Side; Hood Side Door Group1
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5g1273 Hood Side Door Group
6s4771 Fender Group
5g3373 Floor Plate Group-European Market
5G***73Floorplate Group; Floorplate Group1
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5g1402 Floorplate Group
5g1390 Rear Frame Group-Part 2 Of 2
5g1390 Rear Frame Group-Part 1 Of 2
5g5012 Front Frame Group
5g2573 Bottom Guard Group
5G***73Guard Group-Bottom; Bottom Guard Group1
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5g2500 Radiator Guard Group
5G***00Guard Group-Radiator; Radiator Guard Group1
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5g1373 Hood And Guard Group
6s3319 Ladder Gp
5g3466 Ladder Group-European Market
5g2517 Sound Suppression Liner Group-Hood
5g3812 Cab Mounting Group-European Market
5G***12Mounting Group-Cab; Cab Mounting Group1
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5g3467 Cab Mounting Group-European Market
5G***67Mounting Group-Cab; Cab Mounting Group1
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1v7344 Rim Gp-15.5 X 25 Tubeless Tires-4 Required
5g6546 Rim Gp-Demountable-15.5 X 25 Tubeless Tires
5g5211 Demountable Rim Group-16.9 X 24 Tube Type Tires-4 Required
Cooling System
1n4903 Engine Oil Cooler Group
1N***03Cooler Group-Engine Oil; Engine Oil Cooler Group1
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7n9989 Blower Fan Group
4n2220 Suction Fan Group
4N***20Fan Group-Suction; Suction Fan Group1
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6s3322 Torque Converter Cooling Lines Group
4n0188 Lines Gp-Water
4N***88Lines Group-Water; Water Lines Group1
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4n0660 Pump Gp-Water
4N***60Pump Group-Water; Water Pump Group1
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8n5864 Radiator Gp
8n3082 Radiator Group
8n4077 Radiator Gp
Fuel System And Governor
2w0262 Camshaft Assembly-21 Degrees
5g3612 Cap Gp-Protection-Fuel Tank
5G***12Cap Group-Protection; Fuel Filler Protection Cap Group1
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5g1206 Governor Control Group
5g0679 Extension Gp-Fuel Filler
9y1896 Filter Gp-Fuel
9Y***96Filter Group-Fuel; Fuel Filter Group1
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1w6679 Filter Gp-Fuel
1W***79Filter Group-Fuel; Fuel Filter Group1
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7e4118 Filter Gp-Fuel
8h4681 Filter Gp-Primary Fuel
8H***81Filter Group-Primary Fuel; Primary Fuel Filter Group1
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1w8730 Governor Group-Part 1 Of 3-Type 2
1w8730 Governor Group-Part 3 Of 3-Type 2
1w8730 Governor Group-Part 1 Of 2-Type 1
1w8730 Governor Group-Part 2 Of 3-Type 2
2w4118 Governor Group-Part 2 Of 2
1w8730 Governor Group-Part 2 Of 2-Type 1
2w4118 Governor Group-Part 1 Of 2
5g0864 Fuel Lines Group
7n0042 Fuel Injection Lines Group
1w4105 Fuel Injection Lines Group
1W***05Lines Group-Fuel Injection; Fuel Injection Lines Group1
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1w6539 Fuel Injection Pump Group
2w0263 Pump Gp-Fuel Injection
2w0263 Fuel Injection Pump Group
4n4314 Pump Gp-Fuel Priming
4N***14Pump Group-Fuel Priming; Fuel Priming Pump Group1
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1w0568 Fuel Transfer Pump Group
2w4403 Fuel Transfer Pump Group
2W***03Pump Group-Fuel Transfer; Fuel Transfer Pump Group1
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1w3186 Governor And Fuel Injection Pump Group
1W***86Pump Group-Gov & Fuel Inj; Governor And Fuel Injection Pump Group1
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1w3187 Governor And Fuel Injection Pump Group
5g2828 Tank Gp-Fuel
5g6259 Tank Gp-Fuel
5g4022 Tank Gp-Fuel
5G***22Tank Group-Fuel; Fuel Tank Group1
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4w5063 Torque Control Gp
Hydraulic System
9g9288 Protection Cover Group-Hydraulic Tank Cap
9G***88Protection Cover Group; -Hydraulic Tank-Steering Tank Fill Cap-Hydraulic Tank Fill Cap1
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5g3476 Hydraulic Control Group-Coupler Or 3rd Valve
5G***76Control Group-Hydraulic; Hydraulic Control Group-----------------1
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5g5058 Hydraulic Hand Control Group-Implement Attachments
5G***58Control Group-Hydraulic Hand; Hydraulic Hand Control Group1
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5g1412 Hydraulic Hand Control Group-Lift And Tilt
5g5289 Mounting & Cylinder Gp-Pin Coulper
5g5289 Cylinder & Mounting Gp-Pin Coupler
5g5270 Pin Coupler Mounting And Cylinder Group-Wide Carriage
5G***70Cylinder & Mounting Group; Mounting And Cylinder Group1
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4t8579 Pin Coupler Mounting Group
4t9427 Cylinder Gp-Pin Coupler-Chg(00)
9t5729 Cylinder Gp-Pin Coupler (Chg 00)
5g5154 Hydraulic Arrangement-4 Valve
4T***46Valve Group-Bank; Bank Valve Group-41
5G***58Control Group-Hydraulic Hand; Hydraulic Hand Control Group1
5G***54Hydraulic Ar1
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5g6579 Lines Gp-Check Valve-Part 4 Of 5
5g6579 Lines Gp-Check Valve-Part 3 Of 5
5g6579 Lines Gp-Check Valve-Part 5 Of 5
5g6579 Lines Gp-Check Valve-Part 1 Of 5
5g6579 Lines Gp-Check Valve-Part 2 Of 5
5g5269 Lines Gp-Coupler-Wide Carriage
5G***69Lines Group-Coupler; Coupler Lines Group1
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5g5288 Lines Gp-Coupler
5g5309 Lines Gp-Front
5G***09Lines Group-Front; Front Lines Group1
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5g5024 Lines Gp-Front-Hydraulic
5g5017 Lift Cylinder Lines Group
5g5150 Pump Lines Group-Part 2 Of 2
5g5150 Pump Lines Group-Part 1 Of 2
5g5016 Tilt Cylinder Lines Group-Part 2 Of 2
5g5016 Tilt Cylinder Lines Group-Part 1 Of 2
5g5268 Mounting And Pump Group
4t8515 Pump Gp-Gear-Implements And Steering
4L***66Ring-Retaining1
4T***15Pump Group-Gear1
4T***16Pump Group1
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5g6507 Tank Gp-Hydraulic
5g6498 Tank Gp-Hydraulic
5g2853 Tank Gp-Hydraulic
5g4023 Tank Gp-Hydraulic-Part 1 Of 2
5G***23Tank Group-Hydraulic; Hydraulic Tank Group1
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5g4023 Tank Gp-Hydraulic-Part 2 Of 2
5G***23Tank Group-Hydraulic; Hydraulic Tank Group1
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5g6260 Tank Gp-Hydraulic
5g6073 Hydraulic Tank Group
5g6062 Tank Gp-Hydraulic
5g6862 Valve Ar-3 Bank
5G***79Lines Group-Check Valve1
5G***62Valve Ar1
9T***00Valve Group-Bank; Valve Gp-3 Bank1
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5g6863 Valve Ar-4 Bank
5G***58Control Group-Hydraulic Hand; Hydraulic Hand Control Group1
5G***09Lines Group-Front; Front Lines Group1
5G***79Lines Group-Check Valve1
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9t5201 Valve Gp-4 Bank
9T***01Valve Group-Bank; Valve Gp-4 Bank1
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4t7946 Implement Control Valve Group-Quick Coupler,Lift,Tilt
4T***46Valve Group-Bank; Bank Valve Group-41
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4t7947 Implement Control Valve Group-Quick Coupler,Tilt,Lift
9t5200 Valve Gp-3 Bank
9T***00Valve Group-Bank; Valve Gp-3 Bank1
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5g4016 Breaker Relief Valve Group
6s6464 Valve Gp-Breaker Relief
8j9471 Valve Gp-Lift Cyl Check
8J***71Valve Group-Check; -Lift Cylinder Circuit1
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5g5026 Control Valve Group-Implement Control
9t6790 Valve Gp-Control-European Market
9j0717 Valve Gp-Control-Quick Coupler Or Attachment
9t6794 Valve Gp-Control-European Market
9j0715 Lift Control Valve Group
8j9475 Direct Operated Relief Valve Group
4t7944 Pilot Operated Relief Valve Group-Tilt Relief-Head End
9t6795 Valve Gp-Relief
9j0723 Pilot Operated Relief Valve-Main Relief
9t6791 Valve Gp-Relief
9t6796 Valve Gp-Relief-Pilot Operated
9t6797 Valve Gp-Relief
9j0798 Pilot Operated Relief Valve Group-Tilt Relief-Rod End
9t4739 Valve Gp-Sequence
9j0716 Tilt Control Valve Group
9J***16Valve Group-Tilt Control; (Tilt)1
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Implements
9v1795 Arm Gp-3 Piece Extendable Boom
3g4428 Bit And Cutting Edge Group
1u2268 Cutting Edge And Bit Group
5g5308 Bucket Assembly-Multipurpose Front End
9v8958 General Purpose Bucket Assembly-1.2 Cu M(1.5 Cu Yd)Capacity
9v8959 Bucket Assembly-1.3 Cu M(1.75 Cu Yd) Nominal Heaped
9v8961 Bucket Assembly-1.3 Cu M(1.75 Cu Yd)Flush Mounted Teeth
9v8960 General Purpose Bucket Assembly-1.2 Cu M(1.5 Cu Yd)Capacity
6w3063 Bucket Gp
6W***63Bucket Group-General Purpose1
9J***69Tip Group-Long; -J-2508
9V***61Bucket As-General Purpose1
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6w3062 Bucket Gp
6W***62Bucket Group-General Purpose1
9J***69Tip Group-Long; -J-2508
9V***60Bucket As-General Purpose1
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5g6034 General Purpose Bucket Group
5g5153 Carriage Assembly-Fork
6w8832 Carriage As-Fork
6W***32Carriage As-Fork; -Quick Coupler1
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5g5011 Implement Control Group-Part 1 Of 2
5g5011 Implement Control Group-Part 2 Of 2
5g5287 Quick Coupler Ar-Wide Carriage
5G***13Coupler Group-Quick; Quick Coupler Group1
5G***69Lines Group-Coupler; Coupler Lines Group1
5G***70Cylinder & Mounting Group; Mounting And Cylinder Group1
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5g5290 Quick Coupler Gp
5g5013 Quick Coupler Gp-Wide Carriage
5G***13Coupler Group-Quick; Quick Coupler Group1
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5g6032 Coupling Gp
4t8581 Cylinder Gp-Tilt-(Chg 00)-2 Required
4t8580 Lift Cylinder Group (Chg 00-01)-2 Required
9t5489 Cylinder Gp-Tilt-(Chg 00)-2 Required
6w9739 Fork Gp-Pallet-2 Required
6w8900 Fork Gp-Pallet-2 Required
09***37Service Group-Fork Positioner1
6W***00Fork Group1
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6w8933 Fork Gp-Pallet-2 Required
5g5022 Positioner & Kickout Gp- Part 1 Of 2
5g5022 Positioner And Kickout Group-Part 1 Of 2
5g5022 Positioner & Kickout Gp- Part 2 Of 2
5g5022 Positioner And Kickout Group-Part 2 Of 2
9j3169 Tip Group-Long
9j3178 Tip Group
1u1528 Tooth Group
3g4017 Tooth Group-Long
3g4018 Tooth Group-Short
1u1527 Tooth Group-Short
1u2422 Uni-Tooth Group
Lubrication System
6n3382 Breather Group-Crankcase
1w0262 Oil Filler Group
1n3224 Filter Gp-Oil
1N***24Filter Group-Oil; Oil Filter Group1
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7w0297 Fumes Disposal Gp
7W***97Fumes Disposal Group; Fumes Disposal Group1
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9y1898 Fumes Disposal Gp
9Y***98Fumes Disposal Group; Fumes Disposal Group1
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1w0366 Gauge Gp-Oil Level
1W***66Gauge Group-Oil Level (Dipstick)1
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7w0332 Pcv Breather Kit
2w6697 Oil Pump Group
Power Train-Power Transmission Unit
9p9638 Parts And Case Group-Part 1 Of 2
9p9638 Parts And Case Group-Part 2 Of 2
9p9637 Transmission Hydraulic Control
7g8653 Transmission Lubrication Control Group
5g3198 Control Gp-Transmission-Part 1 Of 2
5g3186 Control Gp-Transmission-Part 1 Of 2
5g3198 Control Gp-Transmission-Part 2 Of 2
5g3186 Control Gp-Transmission-Part 2 Of 2
6s9243 Protection Cover Group-Transmission Filler
6S***43Cover Group-Vandalism Protection; Protection Cover Group1
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6s6342 Differential Group-No Spin
6S***42Differential Group; Differential Group-No Spin--------------1
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6s8900 Differential Group-Provides Higher Torque
6S***00Differential Group; Differential Group-Special--------------1
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5g5997 Differential Group-Front
5g6155 Differential Group-Front
5g4550 Front Differential Group
5G***50Differential Group-Front; Differential Group-Front----------------1
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5g4547 Front Differential Group
5g5996 Differential Group-Rear
5g4432 Rear Differential Group
5g4549 Rear Differential Group
5G***49Differential Group-Rear; Differential Group-Rear-----------------1
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5g6156 Differential Group-Rear
9p4540 Transmission Drive Pump Group
6s6041 Drive Shaft Group
5g1305 Filler Gp-Power Train Oil
6s3341 Power Train Oil Filler Group
9p6277 Transmission Filter Group
9P***77Filter Group-Transmission; -Transmission1
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9p9579 Case & Transfer Gear Gp-Without Pinion-Part 1 Of 2
9p9579 Case & Transfer Gear Gp-Without Pinion-Part 2 Of 2
5g1449 Drive Shaft Guard Group
7x2506 Kit-Differential Bearing
6K***68Washer-Thrust2
7J***93Cone-Roller Bearing1
7J***94Cup-Roller Bearing1
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7x2505 Kit-Differential Bearing
6K***68Washer-Thrust2
7K***48Cup-Bearing1
7K***49Cone-Bearing1
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7x0776 Bearing Kit-Transmission
1T***93Ball Bearing; Bearing-Ball1
1T***94Ball Bearing; Bearing-Ball1
2D***58Bearing-Ball1
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7x0775 Bearing Kit-Transmission
1B***78Cup,Tapered Roller (Timken 3720) Uoc:Bsu,Bsw2
1B***80Cone-Roller Bearing2
1T***34Bearing-Ball1
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5g1497 Power Train Oil Lines Group
5g5303 Transmission Neutralizer Group
5g5304 Transmission Neutralizer Group
9p9719 Planetary Gp-Part 4 Of 4
9p9719 Planetary Gp-Part 1 Of 4
9p9719 Planetary Gp-Part 3 Of 4
9p9719 Planetary Gp-Part 2 Of 4
2p2945 Planetary Gp-Part 1 Of 2
2p2945 Planetary Gp-Part 2 Of 2
9p7239 Transmission Pump Group
9p2653 Transmission Pump Group
9p7240 Transmission Pump Group
5g0388 Slip Joint Group
5g0387 Slip Joint Group
1t1450 Torque Converter Gp
1t1519 Torque Converter Gp
1t1045 Torque Converter Group
9p2630 Case & Transfer Gear Gp-Part 2 Of 2
9p2630 Case & Transfer Gear Gp-Part 1 Of 2
9p2630 Transfer Case & Gear Gp-Part 2 Of 2
9p2630 Transfer Case & Gear Gp-Part 1 Of 2
9p9640 Transmission Ar-Powershift
7g8652 Powershift Transmission Arrangement
2p3677 Selector And Pressure Control Valve Group
9p9636 Valve Group
9g8557 Neutralizer Valve Group
9p9635 Valve Gp-Selector & Pressure Control
9P***35Valve Group-Selector & Press Cont1
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6t5434 Neutralizer Solenoid Valve Group
6s3351 Final Drive & Wheel Gp-4 Required
6S***51Wheel & Final Drive Group; Final Drive & Wheel Group---------------1
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Service Equipment And Supplies
Gasket Kits
6V***15Hydraulic Control0
6V***17Planetary Transmission0
6V***22Parts And Case0
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8f9866 Grease Gun Assembly
3p2245 Hand Tool Group
Name Plates And Films
2P***31Film--Cat On Each Side Of Radiator Guard; Film--Cat On Each Side--Above Drum Shaft2
2P***05Plate--Warning (Frame Support)1
3N***90Plate Serial Number; On R.H. Rear Bank Of Cylinder Block As Viewed From Rear Of Engine1
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Starting And Electrical System
8n2268 Alternator Group-12 Volt 75 Amp
1w4263 Alternator Group-12 Volt,40 Amp
8n2822 Alternator Group-12 Volt,75 Amp
8N***68Alternator Group-Charging1
8N***22Alternator Group-Charging1
9S***73Circuit Breaker (60 Amps); Circuit Breaker-60 Ampere1
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7n4784 Alternator Group-12 Volt,40 Amp
5g5312 Battery & Wiring Group-European Market-Part 2 Of 5
5G***12Battery & Wiring Group; Battery & Wiring Group1
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5g5021 Battery & Wiring Group-Part 4 Of 5
5g5312 Battery & Wiring Group-European Market-Part 4 Of 5
5G***12Battery & Wiring Group; Battery & Wiring Group1
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5g5312 Battery & Wiring Group-European Market-Part 5 Of 5
5G***12Battery & Wiring Group; Battery & Wiring Group1
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5g5312 Battery & Wiring Group-European Market-Part 3 Of 5
5G***12Battery & Wiring Group; Battery & Wiring Group1
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5g5312 Battery & Wiring Group-European Market-Part 1 Of 5
5G***12Battery & Wiring Group; Battery & Wiring Group1
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5g5021 Battery & Wiring Group-Part 3 Of 5
5g5021 Battery & Wiring Group-Part 5 Of 5
5g5021 Battery & Wiring Group-Part 1 Of 5
5g5021 Battery & Wiring Group-Part 2 Of 5
6s3548 Battery Group-Heavy Duty
6s7140 Lamp Assembly-12 Volt Turn Signal
6s7129 Indicator Lamp Assembly-12 Volt
8m0110 Rear Lamp Assembly-Tail,Stop,And Reflex
6s7137 Lamp Assembly-12 Volt Warning Lamp
4n6785 Head Lamp Group-12 Volt
2m0855 Head Lamp Assembly-12 Volt
5g5650 Highway Lighting Arrangement-Left Hand Traffic Countries
5G***38Lighting Group-Stop; Stop Lighting Group1
5G***89Switch Group-Disconnect; Disconnect Switch Group1
5G***07Lighting Group; Signal Lighting Group1
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5g5653 Highway Lighting Arrangement-Right Hand Traffic Countries
5G***38Lighting Group-Stop; Stop Lighting Group1
5G***89Switch Group-Disconnect; Disconnect Switch Group1
5G***07Lighting Group; Signal Lighting Group1
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5g2230 Lighting Group-2 Lamp-For Use With Rops Or Cab With Rops
5g3600 Lighting Group-European Market
5g2307 Lighting Gp-Signal
5G***07Lighting Group; Signal Lighting Group1
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5g5651 Lighting Group-2 Lamp--Left Hand Traffic Countries
6s7120 Parking Lighting Group
6S***20Lighting Group-Parking; Parking Lighting Group1
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5g5654 Lighting Group-2 Lamp-Right Hand Traffic Countries
5g3700 Roading Lighting Group-European Market
5G***00Lighting Group-Roading; Roading Lighting Group1
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5g2038 Stop Lighting Group
5G***38Lighting Group-Stop; Stop Lighting Group1
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5g1550 Ether Starting Aid Group
9x0354 Starting Motor Gp-Electric
4n0190 Starting Motor Gp-Electric
4N***90Starting Motor Group-Electric; Electric Starting Motor Group1
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4n0190 Starting Motor Gp-Electric-12 Volt
4N***90Starting Motor Group-Electric; Electric Starting Motor Group1
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3e1865 Starting Motor Gp-Electric
4n0241 Starting Motor Gp-Electric
9g5517 Switch Assembly-12 Volt
7n0718 Disconnect Switch Assembly
7N***18Switch As-Disconnect; -Battery-Ground Level1
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3k1650 Light Switch Assembly
7n8000 Toggle Switch Assembly
7N***00Switch As-Toggle; (Warning Light)1
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8n0410 Magnetic Switch Group
5g2089 Disconnect Switch Group
5G***89Switch Group-Disconnect; Disconnect Switch Group1
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5g1790 Back-Up Warning Group
5g1760 Back-Up Warning Group
5G***60Warning Group-Backup; Back-Up Warning Group-------------------1
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5g5314 Lighting & Wiring Gp-European Market-Part 1 0f 3
5G***14Wiring & Lighting Group; Lighting & Wiring Group1
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5g5314 Lighting & Wiring Gp-European Market-Part 2 Of 3
5G***14Wiring & Lighting Group; Lighting & Wiring Group1
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5g5314 Lighting & Wiring Gp-European Market-Part 1 Of 3
5G***14Wiring & Lighting Group; Lighting & Wiring Group1
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5g5314 Lighting & Wiring Gp-European Market-Part 3 Of 3
5G***14Wiring & Lighting Group; Lighting & Wiring Group1
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5g3941 Wiring Group-European Market
5G***41Wiring Group; Roading Wiring Group1
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5g3311 Cab Wiring Group-European Market
5G***11Wiring Group-Cab; Cab Wiring Group1
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6s8541 Cab Wiring Group
6S***41Wiring Group-Cab; Cab Wiring Group1
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Steering And Braking System
5g5712 Auxiliary Drive Adapter Group
5G***12Adapter Group-Auxiliary Drive; Auxiliary Drive Adapter Gp1
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5g5151 Brake Ar-2 Wheel
5B***41Bolt 44.45 mm(1.75 In.) Long16
5G***51Brake Ar-2 Wheel1
5G***07Control Group-Brake1
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1v2276 Hydraulic Caliper Service Brake Group
1v2157 Brake Gp-Hydraulic Caliper Service-R.H.
1v2156 Brake Gp-Hydraulic Caliper Service-L.H.
8r0823 Brake Gp-Hydraulic Caliper Service-L.H.
8R***23Brake Group-Hydraulic Caliper Service1
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8r0809 Brake Gp-Hyd Caliper Service
8R***09Brake Group-Hydraulic Caliper Service1
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8r0822 Brake Gp-Hydraulic Caliper Service-R.H.
8R***22Brake Group-Hydraulic Caliper Service1
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6y0218 Brake Gp-Parking
9c5967 Brake Gp-Parking
1v2699 Parking Brake Group
1V***99Brake Group-Parking; Parking Brake Group1
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9c8684 Brake Gp-Parking
6Y***18Brake Group-Parking1
9C***67Brake Group-Parking1
9C***84Brake Group-Parking1
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9c5966 Brake Gp-Parking
9c8726 Brake Gp-Parking
9C***65Brake Group-Parking; Parking Brake Group(Bendix)1
9C***66Brake Group-Parking1
9C***26Brake Group-Parking1
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9c5965 Brake Gp-Parking
9C***65Brake Group-Parking; Parking Brake Group(Bendix)1
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5g5305 Brake Gp-Service
5G***05Brake Group-Service; Service Brake Group---------------------1
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5g5305 Service Brake Group
5G***05Brake Group-Service; Service Brake Group---------------------1
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6s3349 Service Brake Group
6S***49Brake Group-Service; Service Brake Group---------------------1
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6s3349 Brake Gp-Service
6S***49Brake Group-Service; Service Brake Group---------------------1
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Carrier & Lining As
4E***01Carrier & Lining As2
4E***02Carrier & Lining As1
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5g5152 Brake Control Group-Part 2 Of 2
5g5307 Brake Control Group-Part 1 Of 2
5g5307 Brake Control Group-Part 2 Of 2
5g5152 Brake Control Group-Part 1 Of 2
5g3211 Brake Control Group
5g3212 Brake Control Group
5g5129 Brake Control Group
5g5541 Cylinder Assembly
5g4021 Cylinder As-Power Master
5g5547 Cylinder Assembly
5g4861 Power Cylinder Assembly
5g4859 Cylinder As-Power Master
5g6159 Cylinder As-Power Master
1u4666 Steering Cylinder Group-2 Required-Chg(00)
5g5313 Pump Lines Group-Implement Steering-European Market
5G***13Lines Group-Pump; Pump Lines Group1
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5g1405 Lines Gp-Steering Oil
5g1405 Lines Gp-Steering Oil-Part 2 Of 2
5g1405 Lines Gp-Steering Oil-Part 1 Of 2
5g5711 Pump & Lines Ar-Auxiliary Steering
5G***11Pump & Lines Ar1
5G***12Adapter Group-Auxiliary Drive; Auxiliary Drive Adapter Gp1
5G***13Pump & Lines Group; Lines And Pump Gp1
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5g5929 Pump & Lines Gp-Auxiliary Steering-Part 1 Of 2
5g5929 Lines & Pump Gp-Auxiliary Steering-Part 1 Of 2
5g5929 Pump & Lines Gp-Auxiliary Steering-Part 2 0f 2
5g5929 Lines & Pump Gp-Auxiliary Steering-Part 2 Of 2
5g5713 Pump & Lines Gp-Hydraulic Auxiliary Steering
5G***13Pump & Lines Group; Lines And Pump Gp1
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5g5929 Pump & Lines Gp-Auxiliary Steering-Part 2 Of 2
5g1620 Orbitrol Unit Control Assembly
5g1408 Hydraulic Steering Group
5g5542 Tank Group
9t0432 Reversing Valve Group
9t0572 Selector Valve Group
6s3089 Priority Flow Divider Valve Group

IT12 serial number reference

The IT12 PIN/serial plate sits on the machine frame, as on other Cat wheel-loader-based toolcarriers of this era - check the frame rail near the front axle/articulation joint, usually on the left (highway) side. The plate carries an 8-character serial number: the first 3 characters (the prefix) identify the production run, and the trailing 5 digits are the sequential unit number within that run.

PrefixIdentifies
2YCIT12 Integrated Toolcarrier
4NCIT12 Integrated Toolcarrier

Frequently asked questions

What engine does the Caterpillar IT12 have?

The IT12 (not the later IT12B) runs the naturally aspirated Caterpillar 3204 diesel, a mechanically governed 4.4 L inline-four rated at roughly 56 kW (75 hp) gross. It predates electronic engine controls, so there is no ECM and no diagnostic fault codes; all monitoring is by analog gauge and warning lamp.

What is the operating weight of the Caterpillar IT12?

Operating weight runs roughly 7.4 to 7.9 t (16,300 to 17,400 lb), depending on tires, counterweight, and the front-end tool fitted. Published figures vary slightly by configuration and source, so treat this as a range rather than a single fixed number.

What replaced the Caterpillar IT12?

Caterpillar replaced the IT12 with the IT12B, which switched to the Cat 3114 diesel and carries its own operating weight, wheelbase, and tipping-load figures. The two model numbers look related, but their engines, specs, and parts do not interchange; confirm which one you have from the serial prefix before ordering parts.

What IT12 owners discuss

How do people who've actually run a CAT IT12 describe it?
Real owner write-ups on this exact model are scarce online - most of what surfaces is buyers asking basic reliability questions rather than long-term operator logs. What is consistent: it drives like a compact articulated wheel loader, not a skid steer. The parallel-lift linkage keeps forks or a bucket level through the whole lift cycle without operator input, a core toolcarrier feature carried across the IT lineup. The learning curve is mostly about the quick-coupler and attachment-swap routine, not the drive controls.
Is the naturally aspirated 3204 in this machine a good engine?
Reputation within the 3204 family splits hard by configuration. The higher-output turbocharged versions built a poor track record - pushed hard for their displacement, they see more frequent rebuilds and shorter service life. The lower-horsepower naturally aspirated version used in this machine has a noticeably better reputation for holding up over the long haul. Expect a simple, durable workhorse engine if maintenance was kept current, not a strong performer.
What engine problems come up most on this era of 3204?
Hard starting tops the list - weak injectors or low cylinder compression leave the engine unable to fire on its own but starting readily with a shot of starting fluid. Injection-pump governors gum up with varnish over the years and can stick the fuel rack; freeing the rack and replacing the governor housing gasket and shaft seal is routine shop work on a tired unit. Crankshaft bearing wear is a sleeper problem that often gives no knock warning, so checking drained oil and the oil filter for metal at every service is worthwhile. Blue-white blowby smoke usually means worn liners, pistons, or rings once compression has dropped.
Any electrical or sensor problems to watch for?
None of the engine-sensor or fault-code issues seen on later Cat diesels apply here - this is a mechanically governed, pre-electronic engine with no ECM to fault-code. The electrical system is limited to basic charging and starting: alternator, regulator, starter, and wiring harness. On a machine this age, corroded connections, weak grounds, and tired starters or alternators are the real complaints. If a cold-start aid is fitted, confirm which type it uses - ether injection and glow plugs are never combined on the same engine, and spraying ether into a live glow-plug system causes damage.
What wear points show up on the chassis and loader linkage?
Same wear pattern as any articulated loader-family chassis: the center articulation joint and steering-cylinder pins take the brunt of load cycling. Pins and bushings loosen with age, faster if the grease zerks run dry. Play shows up as wobble at the articulation joint under steering or load - have a second person watch the joint while the machine is cycled. The loader linkage pins and the toolcarrier's own quick-coupler pins wear the same way; a dry, ungreased coupler gets slow or reluctant to lock and release attachments. Worn articulation and steering pins are a safety item on a machine this size, not just a maintenance one - have your dealer verify play is within spec before returning it to work.
What should I check before buying a used IT12?
Confirm the hour meter against service records instead of trusting the gauge alone - buyers of these machines have flagged readings that look too low for how hard a unit was clearly worked. Check compression and injector condition given how common hard starting is on this engine. Cycle the quick coupler and the full lift and tilt range, watching the articulation joint and loader pins for play. Note the tire setup - single or dual rear tires - since it affects both stability and replacement cost. This is an out-of-production, low-volume machine, so plan on sourcing parts through 3204-engine and related loader-family cross-references rather than dedicated current stock, and confirm fitment with your dealer before ordering anything.
Is the fuel system or governor a long-term worry?
On a mechanically governed diesel, a sticking fuel rack or gummed-up governor is expected long-term maintenance, not a rare defect. Years of varnish buildup inside the governor housing can bind the rack and cause surging, rough idle, or an engine that won't settle back to idle. Because the governor controls engine speed, treat hunting, surging, or a failure to return to idle as more than an annoyance - have your dealer verify the governor and fuel rack move freely before putting the machine back into service.

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

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