Caterpillar 926
Caterpillarwheel-type loaderwheel loader

Caterpillar 926

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar 926 is a compact articulated wheel-type loader built around the Cat 3204 turbocharged 4-cylinder diesel, rated 78 kW (104.6 hp) at 2400 rpm, 5.2 L displacement. Operating weight runs 8,800 to 9,300 kg (19,400 to 20,500 lb) depending on bucket and cab configuration, placing it in the small/compact wheel loader class alongside the naturally aspirated 916 and the larger 936 in Caterpillar's small-loader lineup of that era. Caterpillar built the 926 in the 1980s on a powershift transmission with 4 speeds forward and 4 speeds reverse, driven through a torque converter, with a single-lever, single-link Z-bar loader linkage carrying a general-purpose bucket as standard and forks offered as an option. Factory configuration included an open ROPS/FOPS canopy as standard operator protection, with an enclosed cab available. The 926 sits at the head of its own family line, serving as the direct predecessor to the 926A and 926E that followed on the same basic loader platform.

Across this family, the main documented change is a power step from the base 926 to the 926E on the identical 3204 turbocharged block, with the E-suffix machine appearing on later serials within the same 94Z, 8NB, and 4NB production blocks rather than through a new casting or redesigned chassis; the 926A followed as a further update on the same general platform. Caterpillar did not carry the 926 name forward as a continuous B/C/D-style line after that. The bare 926 name went dormant for decades before Caterpillar reused it on a completely unrelated current Next Generation small wheel loader with a different engine and drivetrain. That naming gap matters for buyers today: confirm the serial prefix and engine before assuming which 926 a listing describes. In the used and parts market, the appeal of this original generation is its mechanical simplicity - no engine computer, straightforward powershift controls, and a 3204 engine block shared across a wide range of Caterpillar machines from the same era, which keeps parts sourcing and independent repair more practical than on later electronically controlled loaders.

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 926 specifications

Engine

Engine modelCat 3204, turbocharged 4-cylinder inline diesel
Net power78 kW (104.6 hp) at 2400 rpm
Displacement5.2 L (317 cu in)
Bore x stroke114 x 127 mm

Weights

Operating weight8,800-9,300 kg (19,400-20,500 lb) - varies by configuration/source
Static tipping load (full turn, standard bucket)approximately 6,900 kg (15,220 lb)

Dimensions

Transport length (with bucket)6.55-6.60 m (21 ft 6 in - 21 ft 8 in)
Width over tires2.29-2.33 m (7 ft 6 in - 7 ft 8 in)
Height to cab top3.15-3.18 m (10 ft 4 in - 10 ft 5 in)
Wheelbase2.87 m (9 ft 5 in)
Ground clearance0.29 m (11 in)
Turning radius (outside, articulated frame)5.1 m (16 ft 9 in)
Bucket width (general-purpose bucket)2.37 m (7 ft 9 in)

Performance

Travel speed, forward (top powershift range)30.3 km/h (18.9 mph)
Travel speed, reverse (top powershift range)32.3 km/h (20.1 mph)
TransmissionPowershift, 4 speeds forward / 4 speeds reverse
Bucket capacityapproximately 1.4-1.5 cu m heaped (1.8-2.0 cu yd), approximately 1.37 cu m struck (1.8 cu yd) - varies by bucket configuration
Breakout forceapproximately 108 kN (24,200 lbf)

Service capacities (summary)

Fuel tank150 L (39.7 gal)
Hydraulic system92 L (24.4 gal)
Engine oil (with filter)14 L (3.7 gal)
Transmission34 L (9.0 gal)
Axle/differential (front and rear, each)25 L (6.7 gal)

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

926 fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)14 L (3.7 US gal)Cat 3204 turbocharged 4-cylinder diesel (104.6 hp / 78 kW @ 2400 rpm), powershift chassis. Use Cat Diesel Engine Oil (Cat DEO). SAE 15W-40 covers most operating ranges; step down to SAE 10W-30 in cold climates to about -18C (0F).
Cooling systemNot published on available spec sheets for this generation; comparable 3204-powered small wheel loaders of the era run roughly 20-26 L (5.3-6.9 US gal) engine-side. Confirm the exact fill against the radiator and coolant recovery tank on the machine, or verify with your dealer.Cat DEAC (Diesel Engine Antifreeze/Coolant), full-strength glycol-based coolant, mixed per the freeze-protection chart in the OMM for local climate. Check coolant condition with a Cat coolant test kit and treat with Cat Coolant Conditioner at the scheduled interval.
Fuel tank150 L (39.7 US gal)No. 2-D diesel fuel; No. 1-D permitted in cold weather to maintain flow. No branded lubricant applies.
Transmission (powershift torque converter drive)34 L (9 US gal)Cat TDTO (Transmission & Drive Train Oil). SAE 30 TDTO for temperate operation; SAE 10W TDTO below about -18C (0F); Cat Arctic TDTO for extreme cold.
Front axle/differential (incl. final drives)25 L (6.7 US gal)Cat TDTO, same viscosity selection by ambient temperature as the transmission.
Rear axle/differential (incl. final drives)25 L (6.7 US gal)Cat TDTO, same viscosity selection by ambient temperature as the transmission.
Hydraulic system (tank and total system)Tank: 53 L (14 US gal); total system incl. lines and cylinders: approx. 92 L (24.4 US gal)Cat TDTO fills the hydraulic tank on this loader; the implement/steering circuit shares oil with the torque-converter/transmission circuit on this chassis. Same viscosity-by-temperature selection as the transmission.
Grease (all fittings)Spec only, no reservoir capacity. Apply per the lubrication chart interval.Cat Multipurpose Grease (Cat MPGM), NLGI 2 lithium-complex EP grease for normal conditions. Switch to NLGI 1 or Cat Arctic Grease below about -1C (30F) for easier gun feed.

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

Caterpillar 926 maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level on the dipstick before starting; top off with Cat DEO if low.
  • Check coolant level at the radiator recovery tank; inspect hoses, clamps, and the radiator core for leaks or debris.
  • Check hydraulic tank oil level with the engine off and the bucket lowered flat on the ground.
  • Grease the Z-bar loader linkage, bucket pivot pins, tilt lever, and bell-crank fittings.
  • Drain water and sediment from the fuel tank and check the primary fuel filter/water separator.
  • Walk around the machine: check tire condition and inflation, wheel nuts, lights, backup alarm, and look for fresh leaks at the engine, transmission, axle housings, and hydraulic cylinders.
Every 250 h
  • Change engine oil and the engine oil filter.
  • Check torque converter/transmission oil level with the engine running at operating temperature.
  • Inspect the air cleaner primary element and service it if the restriction indicator has tripped.
  • Check alternator and fan belt tension and condition; adjust or replace as needed.
  • Check battery electrolyte level and clean and tighten terminal connections.
  • Grease the steering cylinder pins and the articulation joint bearing.
Every 500 h
  • Change the transmission oil and the transmission/hydraulic filter element.
  • Check front and rear axle/differential oil level; top off with Cat TDTO.
  • Inspect the Z-bar linkage pins and bushings for play; adjust or replace worn pins before the pin bore wears oversize.
  • Clean the radiator core fins and check the fan shroud and belt for wear.
  • Check wheel nut torque and inspect wheel bearing preload.
Every 1,000 h
  • Change front and rear axle/differential oil.
  • Replace the fuel filter and bleed the fuel system.
  • Check the turbocharger shaft for excess play and inspect for oil or exhaust leaks at the housing.
  • Check and adjust engine valve lash on the 3204 with the engine cold, following the correct firing order.
  • Test coolant condition with a Cat coolant test kit and add Cat Coolant Conditioner if additive levels are low.
Every 2,000 h
  • Change the hydraulic tank oil across the shared transmission/steering/implement circuit.
  • Have a dealer or qualified tech run a stall test to check torque converter and powershift clutch condition.
  • Inspect injection pump timing and injector spray pattern; recalibrate if hard starting or smoking has developed.
  • Inspect the ROPS/FOPS canopy or cab structure and mounts for cracking or corrosion.
  • Check steering relief valve pressure and articulation joint bearing wear.
Every 4,000 h
  • Drain and flush the cooling system; refill with fresh Cat DEAC mixed to the freeze-protection chart for the local climate.
  • Pull a cylinder compression or leak-down test on the 3204 and plan an in-frame overhaul of liners, pistons, and rings if readings have dropped.
  • Inspect and rebuild the torque converter and powershift clutch packs if stall-test results are out of spec.
  • Inspect final drives and wheel bearings for wear and rebuild as needed.

Servicing the 926 beyond the schedule

Predictive Maintenance and Fluid Analysis

Run scheduled oil sampling on the engine, powershift transmission, front and rear axles, and hydraulic tank. Transmission, axles, and hydraulic tank share the same Cat TDTO fill, so a contamination trend on one often shows on the others. Watch iron and copper trends in engine oil for early signs of the turbocharged 3204's known seal wear and head-gasket weeping before it becomes a compression loss. Track torque converter oil temperature on the gauge, and pull coolant samples with a Cat test kit to catch DEAC depletion before liner pitting starts.

Corrective and Common Repairs

Most driveline complaints trace to the external forward/reverse shift linkage or worn Z-bar bucket-link and bell-crank pins, not the torque converter itself - check linkage adjustment and pin play before condemning the transmission valve body. Turbo seal leakage and head-gasket weeping show up as oil consumption or coolant loss on the 3204 at higher hours. Hydraulic pump whine and slow cycle times almost always trace back to contaminated TDTO rather than pump damage. Electrical complaints on this pre-ECM machine are nearly always corroded battery terminals or grounds, not sensor faults.

Overhaul and Rebuild Points

A compression or leak-down test settles whether blue-white smoke and blow-by call for an in-frame overhaul of the 3204's liners, pistons, and rings - a common rebuild point once hours climb into the upper end of this engine's service life. Torque converter and powershift clutch packs are the next major rebuild item; run a stall test against spec before pulling the transmission. Z-bar linkage pin bores that have worn oversize need machining and bushing replacement, not a straight pin swap. Inspect ROPS/FOPS canopy mounts for cracking on high-duty-cycle machines.

Seasonal and Environment Servicing

Switch engine oil from SAE 15W-40 to 10W-30, transmission/axle/hydraulic TDTO from SAE 30 to 10W or Cat Arctic TDTO, and chassis grease from NLGI 2 to NLGI 1 or Arctic grease once temperatures drop toward -18C (0F). Check the DEAC coolant's glycol strength with a test kit before winter to protect the cast-iron 3204 block. In hot, dusty applications, clean the radiator core and check the air cleaner restriction indicator more often than the standard interval, and inspect tires for cuts given this loader's typical work in abrasive material.

926 fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
Low engine oil pressure warning light (dash, red)Engine oil pressure has dropped below the safe minimum for the lubrication system.Low oil level, plugged oil filter, worn oil pump, or a failing oil pressure sender/switch near the rear of the block.Shut the engine down immediately, check oil level and filter condition, and verify sender/switch operation before restarting.
High coolant temperature gauge reading (red zone)Engine coolant temperature has exceeded the normal operating range.Clogged radiator core, low coolant level, failed water pump, or a stuck thermostat.Idle the engine, let it cool, then check coolant level, radiator fins and hoses, and thermostat/water pump operation once safe.
Excessive black exhaust smokeEngine is over-fueling or starved for combustion air.Clogged air filter or restricted intake, injection pump timing out of adjustment, or worn/faulty fuel injectors.Check the air cleaner restriction indicator first, then verify injection pump timing at the timing mark and inspect injector spray pattern.
Hard starting / extended cranking before engine firesEngine fails to reach a self-sustaining idle promptly on the starter.Weak or worn fuel injectors, low cylinder compression, injection pump timing drift, or air trapped in the fuel system.Run a compression or leak-down test, confirm fuel transfer pump pressure and priming, bleed the fuel system, and recheck injection pump timing pin alignment.
Excessive crankcase blow-by with white/blue-gray smokeCombustion gases are bypassing worn piston rings into the crankcase breather.Worn cylinder liners, pistons, or piston rings from normal wear or a history of overheating.Run a cylinder compression test; if compression is low across cylinders, plan an in-frame overhaul of liners, pistons, and rings.
Air cleaner service indicator flagged (mechanical pop-up/vacuum gauge, yellow or red)Intake air restriction across the air filter element has reached the service threshold.Dirty or clogged air filter element, or a restricted intake duct or hose.Inspect and replace the air filter element as needed, then reset the indicator and confirm restriction drops back to normal.
Torque converter oil temperature gauge in high/red rangePowershift torque converter oil is running hotter than the normal operating range.Low converter oil level, a restricted converter oil cooler, or prolonged high-load or stall operation.Reduce load and let the machine idle to cool, then check converter oil level and inspect the oil cooler for blockage.
Charging system warning light or ammeter showing dischargeBattery is not receiving adequate charging current from the alternator circuit.Worn or slipping fan/alternator belt, failed alternator, or loose/corroded wiring and battery connections.Check belt tension and condition, test alternator output, and inspect wiring and battery terminals for corrosion or looseness.

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

926 attachments & work tools

General-purpose bucket

Standard bucket for this machine runs about 1.5 m3 (1.97 cu yd) heaped and 1.4 m3 (1.8 cu yd) struck, roughly 2.37 m (7.78 ft) wide, with breakout force near 108 kN (24,234 lb). These figures line up with the 3204-engine, powershift 926 in the 9-9.3 t operating weight class, not the later A/E-series or any current model.

Special-application buckets

This loader class typically offered a light-material (high-capacity, low-density fill) bucket and a heavier rock/severe-duty pattern alongside the general-purpose bucket. Confirmed heaped-capacity figures tied specifically to the base 926 are not documented in surviving vintage literature; verify exact ratings against the original parts book for the unit's serial range.

Pallet forks

Fork-type work tools were offered across this small-wheel-loader size class for pallet and unit-load handling, mounting to the same lift-arm and tilt-lever linkage as the bucket. No vintage-specific tine length or load-capacity rating for the base 926 could be confirmed; treat forks as an era-appropriate option and check the machine's build sheet or dealer parts book for exact fitment.

Loader linkage and bucket mounting

This generation of small wheel loader used a single-lever, single-link Z-bar loader linkage, cutting the pin count sharply versus the prior loader generation while keeping Z-bar digging efficiency with tool-carrier-like parallelism. Buckets and forks pin directly to the lift arms and tilt lever; there is no factory hydraulic quick-coupler documented for this class in this era, so work tools are changed pin-on with a pin puller, not from the cab.

Operator protection and factory configuration

An open ROPS/FOPS canopy was the standard rollover and falling-object guard for this loader class, with an enclosed cab offered as a factory option. Documentation tying specific guarding trim levels to the base 926 nameplate is thin; confirm against the individual unit's build sheet.

All 926 assemblies by section

Every catalogued assembly group for the Caterpillar 926. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Basic Engine
Belt Tightener (8n9509 N/S)
Camshaft (2w1337 N/S)
2W***37Camshaft Group-Single; Single Camshaft Group1
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Valve Mechanism Cover (1w1352 N/S)
1W***52Cover Group-Valve Mechanism; Valve Mechanism Cover Group1
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Crankshaft (1w9768 N/S)
1W***68Crankshaft Group; Crankshaft Group1
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Cylinder Block (6n9049 N/S)
6N***49Cylinder Block Group; Cylinder Block Group1
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Cylinder Head (6n2397 N/S)
6N***97Cylinder Head Group; Cylinder Head Group1
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Fan Drive (2w1682 N/S)
Water Pump Drive (2w4002 N/S)
2W***02Drive Group-Water Pump; Water Pump Drive Group1
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Engine Support (4y827 N/S)
Flywheel (6n2683 N/S)
Oil Level Gauge (7n6498 N/S)
7N***98Gauge Group-Oil Level (Dipstick)1
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Front Gear (1w1355 N/S)
1W***55Gear Group-Front; Front Gear Group1
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Flywheel Housing (6n1318 N/S)
6N***18Housing Group-Flywheel; Flywheel Housing Group1
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Front Housing (1w1353 N/S)
1W***53Housing Group-Front; Front Housing Group1
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Engine Lifting (2w1678 N/S)
2W***78Lifting Group; Lifting Eye Gp-Engine1
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Engine And Transmission Mounting (7n4129 N/S)--Flexible
Oil Pan (6n3052 N/S)
6N***52Pan Group-Oil; Pan Gp-Engine Oil1
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Connecting Rod And Piston (2w1040 N/S)--4 Required
2W***40Piston & Rod Group; Connecting Rod And Piston Group1
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Pulley (7n6428 N/S)
Auxiliary Drive Pulley (6n7205 N/S)
6N***05Pulley Group-Auxiliary Drive; Auxiliary Drive Pulley Group1
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Engine Support (3v6283 N/S)
Valve Mechanism (1w5720 N/S)
1W***20Valve Mechanism Group; Valve Mechanism Group1
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Cab, Gauges And Accessories
Adjustable Seat (4y747 N/S)--Suspension
4v7849 Seat Adjuster Group
8v1177 Seat Adjuster Group
Air Conditioner (8v1159 N/S)--Part 1 Of 2
8V***59Air Conditioner Group; Air Conditioner Group1
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Air Conditioner (8v1159 N/S)--Part 2 Of 2
8V***59Air Conditioner Group; Air Conditioner Group1
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3y9689 Arm Cushion Assembly--L.H.
3y9687 Arm Cushion Assembly--R.H.
3y7157 Cab Arrangement -- Headguard
3Y***57Cab Arrangement1
3Y***79Plate -- Caution (For Japan); Plate -- Caution (For Japan)1
3Y***73Headgurd Cab; Headguard Cab Group1
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Canopy (3y7158 N/S)--Headguard
Canopy (3y7160 N/S)--Soft
3Y***60Canopy Group; Canopy Group-Soft1
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7n4296 Clutch And Refrigerant Compressor Group
7N***96Compressor Group-Clutch & Refrig1
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Refrigerant Compressor (7n6245 N/S)
7N***45Compressor Group-Refrigerant; Refrigerant Compressor Group1
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Control And Duct (8v2512 N/S) -- Part 3 Of 4
8V***12Control & Duct Group; Control And Duct Group1
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Control And Duct (8v2512 N/S) -- Part 2 Of 4
8V***12Control & Duct Group; Control And Duct Group1
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Control And Duct (8v2512 N/S)--Part 4 Of 4
8V***12Control & Duct Group; Control And Duct Group1
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Control And Duct (8v2512 N/S) -- Part 1 Of 4
8V***12Control & Duct Group; Control And Duct Group1
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4v8259 Cushion Assembly
5v1477 Cushion Assembly--L.H.
5v1478 Cushion Assembly--R.H.
Dash (9v4331 N/S)
3y9777 Door Group -- Part 1 Of 2
3y9777 Door Group -- Part 2 Of 2
Door (9v4332 N/S)--R.H.
Side Door (8v3585 N/S)
Temperature Gauge (8v2505 N/S)
Air Pressure Gauge (8v2513 N/S)
Fuel Gauge (8v5221 N/S)
Vandalism Guard (8v1167 N/S)
8V***67Guard Group-Vandalism; Guard Gp-Vandalism (Instrument Panel)1
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8v6185 Harness Assembly
9v4666 Harness Assembly
6t4826 Harness Assembly
8v9525 Harness Assembly
8v4484 Harness Assembly
9v1485 Harness Assembly
9v5461 Harness Assembly
9v3151 Harness Assembly
9v3735 Harness Assembly
9v3810 Harness Assembly
3y9855 Harness Assembly
3y9857 Harness Assembly
3y9854 Harness Assembly
Headguard Cab (3y9773 N/S)
3Y***73Headgurd Cab; Headguard Cab Group1
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3y9776 Headguard Cab Group -- Part 1 Of 2
3y9776 Headguard Cab Group -- Part 2 Of 2
8v2508 Heater And Air Conditioner Arrangement
1W***43Radiator Group; Radiator Group1
3V***80Lines Group-Air Conditioner; Air Conditioner Lines Group1
3V***81Lines Group-Cab Heater1
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8v2507 Cab Heater Arrangement
3V***81Lines Group-Cab Heater1
8V***54Heater Group-Cab; Cab Heater Group1
8V***07Heater Ar1
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Cab Heater (8v1154 N/S) -- Part 2 Of 2
8V***54Heater Group-Cab; Cab Heater Group1
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Cab Heater (8v1154 N/S) -- Part 1 Of 2
8V***54Heater Group-Cab; Cab Heater Group1
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Instrument Panel (4y544 N/S)
Air Conditioner Lines (3v6680 N/S)--Part 3 Of 3
3V***80Lines Group-Air Conditioner; Air Conditioner Lines Group1
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Air Conditioner Lines (3v6680 N/S)--Part 2 Of 3
3V***80Lines Group-Air Conditioner; Air Conditioner Lines Group1
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Air Conditioner Lines (3v6680 N/S)--Part 1 Of 3
3V***80Lines Group-Air Conditioner; Air Conditioner Lines Group1
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Heater Lines (3v6681 N/S)
Vandalism Lock (9v1977 N/S)
Cab Mounting (8v6928 N/S)
Instrument Panel (8v1173 N/S) - Part 2 Of 2
8V***73Panel Group-Instrument; Instrument Panel Group1
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Instrument Panel (8v1173 N/S) - Part 1 Of 2
8V***73Panel Group-Instrument; Instrument Panel Group1
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Instrument Panel (8v1174 N/S)
Wiper Arm Pivot (6v6561 N/S)
6V***61Pivot Group-Wiper Arm; (Wiper Arm)1
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Rear View Mirror (3y9629 N/S)
3Y***29Rear View Mirror; Rear View Mirror Group1
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Roll-Over Protective System (8v1187 N/S) -- Enclosed -- Part 3 Of 5
8V***87Rops Group; Roll-Over Protective System Group1
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Roll-Over Protective System (8v6917 N/S)--Open
Roll-Over Protective System (8v1187 N/S)--Enclosed--Part 1 Of 5
8V***87Rops Group; Roll-Over Protective System Group1
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Roll-Over Protective System Cab (8v1188 N/S) -- Part 2 Of 2
Roll-Over Protective System Cab (8v1188 N/S) -- Part 1 Of 2
Roll-Over Protective System (8v1187 N/S) -- Enclosed -- Part 5 Of 5
8V***87Rops Group; Roll-Over Protective System Group1
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Roll-Over Protective System (8v1187 N/S) -- Enclosed -- Part 4 Of 5
8V***87Rops Group; Roll-Over Protective System Group1
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Roll-Over Protective System (8v1187 N/S)--Enclosed--Part 2 Of 5
8V***87Rops Group; Roll-Over Protective System Group1
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8v1176 Seat Group
Adjustable Seat (2v2387 N/S)--Suspension
2V***87Seat Group-Adjustable; Seat Gp-Adjustable Suspension1
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Adjustable Seat (8v1175 N/S)
3v8252 Suspension Seat Group
3V***52Seat Group-Suspension; Suspension Seat Group1
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Speedometer (4y613 N/S)
Seat Support (8v1181 N/S)
5v4861 Seat Suspension Group--Part 1 Of 2
5v4861 Seat Suspension Group--Part 2 Of 2
Tool Box (4y838 N/S)
Tool Box (6w57 N/S)
Washer And Wiper (8v1189 N/S)--Front
Washer And Wiper (3y9774 N/S)--Front & Rear--Part 1 Of 2
3Y***74Washer And Wiper; Washer & Wiper Group (Front & Rear)1
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Washer And Wiper (3y9774 N/S)--Front & Rear--Part 2 Of 2
3Y***74Washer And Wiper; Washer & Wiper Group (Front & Rear)1
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Washer And Wiper (8v1161 N/S)-Rear
3t7064 Wiper Group
Cab Wiring (8v1182 N/S)
Cooling System
Engine Oil Cooler (1w8094 N/S)
1W***94Cooler Group-Engine Oil; Engine Oil Cooler Group1
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Blower Fan (7n7072 N/S)
Torque Converter Cooler Lines (3v6298 N/S)
Water Lines (4n188 N/S)
4N***88Lines Group-Water; Water Lines Group1
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Water Pump (4n660 N/S)
4N***60Pump Group-Water; Water Pump Group1
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Radiator (1w9440 N/S)--Part 2 Of 2
Radiator (1w9440 N/S)--Part 1 Of 2
Radiator (1w9441 N/S)
Radiator (1w9443 N/S)
Electrical System
Alternator (9g4574 N/S) -- Nippondenso
9G***74Alternator Group-Charging; Alternator Group (Nippondenso)1
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Alternator (3t1888 N/S) -- Delco Remy -- Part 2 Of 2
3T***88Alternator Group-Charging; Alternator Group Delco-Remy 24 Volt, 50 Ampere1
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Alternator (9g9538 N/S) -- Robert Bosch
Charging Alternator (6n2740 N/S)
Alternator (3t6352 N/S)--Delco Remy--Part 1 Of 2
Alternator (6t7223 N/S) -- Nippondenso
6T***23Alternator Group-Charging; Alternator Group-Nippondenso -- 24 Volt, 50 Ampere1
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Alternator (3t1888 N/S)--Delco Remy--Part 1 Of 2
3T***88Alternator Group-Charging; Alternator Group Delco-Remy 24 Volt, 50 Ampere1
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Alternator (5s9088 N/S)--24 Volt, 50 Ampere
3T***88Alternator Group-Charging; Alternator Group Delco-Remy 24 Volt, 50 Ampere1
5S***88Alternator Group-Charging1
6T***23Alternator Group-Charging; Alternator Group-Nippondenso -- 24 Volt, 50 Ampere1
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Charging Alternator (6n2738 N/S)--24 Volt, 50 Ampere
1H***36Wire Assembly--Alternator To Engine; Wire Assembly- Alternator To Engine1
5S***88Alternator Group-Charging1
6N***38Alternator Group-Charging1
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Alternator (3t6352 N/S)--Delco Remy--Part 2 Of 2
Battery And Wiring (8v3587 N/S) -- Part 2 Of 3
Battery And Wiring (8v3587 N/S)-Part 1 Of 3
Battery And Wiring (8v3587 N/S)-Part 3 Of 3
9v6826 Harness Assembly--Main--Part 1 Of 2
9v6826 Harness Assembly--Main--Part 2 Of 2
9v6929 Harness Assembly
Front Wiring (7v3659 N/S)
6n9294 Charging Alternator Group--24 Volt, 35 Ampere
3T***52Alternator Group-Charging1
6N***94Alternator Group; (24-Volt, 35-Ampere)1
7N***20Alternator Group; Alternator Group (Robert Bosch)1
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3y8200 Alternator Group--Part 1 Of 2
3y8200 Alternator Group--Part 2 Of 2
Alternator (7n9720 N/S)--Robert Bosch
7N***20Alternator Group; Alternator Group (Robert Bosch)1
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5a4922 Back-Up Lamp Assembly
Battery (8v7193 N/S)--100 Ah
Charging Alternator (4y237 N/S)--24 Volt, 20 Ampere
2L***66Terminal-Ring; (10-Ga To 12-Ga, No 10 Screw)(Small)1
2L***69Terminal-Ring; (2-Ga To 10-Ga, 3/8-In Screw)1
3Y***00Alternator Group1
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3y8505 Clearance And Parking Lamp Assembly
3Y***05Clearance And Parking Lamp Assembly1
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4y562 Column Harness Assembly
Column Wiring (4y276 N/S)
4Y***76Column Wiring; Column Wiring Group1
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Front Lighting (4y611 N/S)--Part 1 Of 2
Front Lighting (4y611 N/S)--Part 2 Of 2
8v8954 Harness Assembly
8v5045 Harness Assembly
8v5332 Harness Assembly
9v7301 Harness Assembly
9v6930 Engine Harness Assembly
9v6932 Front Harness Assembly
9v6933 Front Harness Assembly
9v6931 Rear Harness Assembly
9v6928 Transmission Harness Assembly
4y618 Harness Assembly--Front
4y615 Harness Assembly--Rear
4y563 Instrument Panel Harness Assembly
4Y***63Instrument Panel Harness Assembly1
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Head Lamp (5a9825 N/S)
Flood Lamp (6n7989 N/S)
6N***89Lamp Group-Flood; -Ladder Access1
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5a3808 Licence Lamp Assembly
5A***08Licence Lamp Assembly; (License)1
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Lighting (8v1163 N/S)-2 Lamp-Canopy
Lighting (8v7395 N/S)--4 Lamp
Lighting (8v1162 N/S)--2 Lamp--R.O.P.S. Cab
Starting Motor (3t7526 N/S) - Delco Remy - Part 3 Of 3
Starting Motor (3t7526 N/S) - Delco Remy - Part 2 Of 3
Starting Motor (3t7526 N/S) - Delco Remy - Part 1 Of 3
Battery Mounting (8v7136 N/S)
Platform Wiring (3y9626 N/S)
3Y***26Platform Wiring; Platform Wiring Group1
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Rear Lighting (4y610 N/S)
4Y***10Rear Lighting; Rear Lighting Group1
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4y609 Roading Arrangement
3Y***26Platform Wiring; Platform Wiring Group0
3Y***29Rear View Mirror; Rear View Mirror Group0
4Y***76Column Wiring; Column Wiring Group0
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3t4704 Solenoid Assembly
Ether Starting Aid (4v8913 N/S)
Starting Motor (3y8851 N/S) - Mitsubishi Denki
3Y***51Starting Motor Group-Electric; Starting Motor Group1
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3t2764 Electric Starting Motor Group
3T***71Starting Motor Group-Electric; Electric Starting Motor Group0
3T***56Starting Motor Group-Electric; Starting Motor Gp-Electric-Delco-Remy0
3T***64Starting Motor Group-Electric1
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Starting Motor (3t2371 N/S)--Robert Bosch
3T***71Starting Motor Group-Electric; Electric Starting Motor Group1
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Electric Starting Motor (6n1678 N/S)
3y8788 Stop And Tail Lamp Assembly
7n718 Disconnect Switch Assembly
7N***18Switch As-Disconnect; -Battery-Ground Level1
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3y2046 Turn Signal Lamp Assembly
3y8636 Turn Signal Lamp Assembly
3Y***06Turn Signal Lamp Assembly-R.H., L.H.1
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Back-Up Warning (8v6969 N/S)
Wiring Diagram-Part 1 Of 7
Wiring Diagram-Part 5 Of 7
Wiring Diagram--Part 6 Of 7
Wiring Diagram-Part 2 Of 7
Wiring Diagram--Part 7 Of 7
Wiring Diagram-Part 4 Of 7
Wiring Diagram-Part 3 Of 7
Power Train Wiring (9v5679 N/S)-Part 1 Of 2
Supplemental Steering Wiring (7v5118 N/S)
7V***18Wiring Group; Supplemental Steering Wiring Group1
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Power Train Wiring (9v5679 N/S)-Part 2 Of 2
Rear Wiring (7v3658 N/S)
Frame And Chassis
Front Guard (3v6307 N/S)
Demountable Rim (4v1859 N/S) -- 4 Required
Demountable Rim (3v6310 N/S) -- 4 Required
Fixed Axle (3v8262 N/S)
Oscillating Axle (3v8256 N/S)
Counterweight (9v5326 N/S) -- 500 Kg
Counterweight (9v5325 N/S) -- 250 Kg
Demountable Rim (4y492 N/S) -- 4 Required
Fender (8v1075 N/S)
Firewall (8v3591 N/S)
Rear Frame (3v6281 N/S)
Front Frame (7v2859 N/S)
Power Train Guard (3v6321 N/S)
3V***21Guard Group-Power Train; Guard Gp-Powertrain Guard1
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Radiator Guard (3v6282 N/S) -- Part 2 Of 2
Radiator Guard (3v6282 N/S)-Part 1 Of 2
Articulated Hitch (3v6296 N/S)
Hood (8v3590 N/S)
Ladder (8v3592 N/S)
Safety Link (7v3656 N/S)
Platform (4y1 N/S)
Fuel System And Governor
Controls Installation (8v2509 N/S) - Governor & Hydraulic - Part 1 Of 2
Controls Installation (8v2509 N/S) - Governor & Hydraulic - Part 2 Of 2
Fuel Tank (8v3593 N/S) - 158 Liters
Governor And Fuel Injection Pump (4w4938 N/S)
4W***38Gov & Fuel Inj Pump Group; Governor And Fuel Injection Pump Group1
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Governor (7w1488 N/S)--Part 3 Of 3
Governor (7w1488 N/S)--Part 1 Of 3
Governor (7w1488 N/S)--Part 2 Of 3
Fuel Filter And Lines (1w5867 N/S)
1W***67Lines & Fuel Filter Group; Fuel Filter And Lines Group1
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Fuel Lines (8v3586 N/S)
Fuel Injection Lines (1w1354 N/S)
1W***54Lines Group-Fuel Injection; Fuel Injection Lines Group1
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Governor Pedal (8v1179 N/S)
8V***79Pedal Group-Governor; Governor Pedal Group1
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Fuel Injection Pump (1w6539 N/S)
4w469 Fuel Injection Pump Group
Fuel Priming Pump And Primary Filter (1w8874 N/S)
1W***74Pump Group-Fuel Prime & Prim Filter; Fuel Priming Pump And Primary Filter Group1
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Fuel Priming Pump And Primary Filter (8n5251 N/S)
8N***51Pump Group-Fuel Prime & Prim Filter1
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Fuel Priming Pump (8n3365 N/S)
8N***65Pump Group-Fuel Priming; Priming Pump-Fuel & Primary Filter1
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1w568 Fuel Transfer Pump Group
Fuel Transfer Pump (2w4403 N/S)
2W***03Pump Group-Fuel Transfer; Fuel Transfer Pump Group1
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Torque Control (4w5063 N/S)
Hydraulic System
Mechanical Hydraulic Control (8v1178 N/S)-Part 2 Of 2
8V***78Control Group-Mechanical Hydraulic1
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Mechanical Hydraulic Control (8v1178 N/S)-Part 1 Of 2
8V***78Control Group-Mechanical Hydraulic1
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Mechanical Hydraulic Control (8v9699 N/S)-Wobble-Part 1 Of 2
8V***99Control Group-Mechanical Hydraulic; Control Gp-Mechanical Hydraulic1
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Mechanical Hydraulic Control (8v9699 N/S)--Wobble--Part 2 Of 2
8V***99Control Group-Mechanical Hydraulic; Control Gp-Mechanical Hydraulic1
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Mechanical Hydraulic Control (8v6921 N/S)--3rd Valve
8V***21Control Group-Mechanical Hydraulic; Mechanical Hydraulic Control Group1
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3g2798 Tilt Cylinder Group (3v6315 N/S)--139.7 Mm Bore X 520 Mm Stroke
5v8944 Hydraulic Arrangement - 3 Valve
5V***44Hydraulic Ar; Hydraulic Arrangement-3 Valve1
8V***81Valve & Mounting Group-Hydraulic; Valve & Mounting Gp-Hydraulic201
8V***18Lines Group-Hydraulic Oil; Hydraulic Oil Lines Group214
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Positioner Kickout (3v6320 N/S)
Front Lines (5v8943 N/S) -- Part 1 Of 2
5V***43Lines Group-Front; Lines Gp-Front1
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Front Lines (5v8943 N/S)-Part 2 Of 2
5V***43Lines Group-Front; Lines Gp-Front1
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Hydraulic Oil Lines (8v3595 N/S)
Hydraulic Oil Lines (8v7418 N/S)
8V***18Lines Group-Hydraulic Oil; Hydraulic Oil Lines Group1
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Lift Cylinder Lines (3v6319 N/S)
Tilt Cylinder Lines (3v6316 N/S)-Part 2 Of 2
Tilt Cylinder Lines (3v6316 N/S)-Part 1 Of 2
Hydraulic Tank Cap Protection Cover (9g9288 N/S)
9G***88Protection Cover Group; -Hydraulic Tank-Steering Tank Fill Cap-Hydraulic Tank Fill Cap1
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Valve Mounting (8v3596 N/S)
Mounting And Valve (8v6981 N/S)
8V***81Valve & Mounting Group-Hydraulic; Valve & Mounting Gp-Hydraulic1
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1u2665 Cartridge Group - Rear - 53 Liters
1u2668 Cartridge Group - Front - 79 Liters
Mounting And Cylinder (3v6286 N/S)
3g2991 Lift Cylinder Group (3v6318 N/S)--121 Mm Bore X 675 Mm Stroke
3g3501 Steering Cylinder Group (3v6329 N/S)--76.2 Mm Bore X 450 Mm Stroke
4t1022 Lever Group
4T***22Lever Group; -Ripper Lift-Ripper Tilt-Blade Tilt1
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Rear Attachment Lines (8v6347 N/S)
Hydraulic Hand Control Lock (8v7970 N/S)--Wobble
8V***70Lock Group-Hydraulic Hand Control; Hydraulic Hand Control Lock Group1
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Hydraulic Hand Control Lock (9v2675 N/S)--2 Lever
9V***75Lock Group-Hydraulic Hand Control1
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Hydraulic Hand Control Lock (8v1156 N/S)--3 Lever
8V***56Lock Group-Hydraulic Hand Control; Hydraulic Hand Control Lock Group1
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Hydraulic Tank Mounting (8v4502 N/S)
3g5918 Vane Pump Group
Vane Pump (4v6514 N/S) - Double
Hydraulic Tank And Filter (4t489 N/S) -- Part 1 Of 2
Hydraulic Tank And Filter (4t489 N/S) -- Part 2 Of 2
4t1040 Valve Group
4t5006 Valve Group
4t947 Check And Relief Valve Group - Tilt Cylinder Head End
4t1642 Check And Relief Valve Group - Tilt Cylinder Rod End
4t1643 Control Valve Group-Lift
4t1639 Control Valve Group
4T***39Valve Group-Flow Control & Relief1
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4t1638 Control Valve Group
4T***38Valve Group-Flow Control & Relief1
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4t5009 Valve Group - Inlet Flow Control And Relief
4T***09Valve Group-Inlet Flow Cont & Rlf1
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4t1039 Relief Valve Group - Pilot Operated
4t1860 Shuttle Valve Group
4T***60Valve Group-Shuttle; -Ripper Lift-Ripper Tilt-Blade Tilt-Blade Lift1
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4t1640 Control Valve Group - Tilt
Intake And Exhaust System
Muffler (7w1612 N/S)
8n6623 Air Cleaner Group
Air Cleaner (8n6624 N/S)
Air Compressor (1w5824 N/S)
1W***24Air Compressor Group; Air Compressor Group1
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Air Compressor Lines (1w5291 N/S)
1W***91Lines Group-Air Compressor; Air Compressor Lines Group1
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Air Lines (4w5025 N/S)
Air Lines (1w9448 N/S)
Turbocharger Oil Lines (1w8869 N/S)
1W***69Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group1
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Exhaust Manifold (6n6085 N/S)
6N***85Manifold Group-Exhaust; Exhaust Manifold Group1
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Turbocharger (6n5079 N/S)
6N***79Turbocharger Group; Turbocharger Group1
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6n8477 Turbocharger Group
Loader Implements
8v2517 General Purpose Excavating Bucket Assembly--1.5 Cubic Meters
9v9756 General Purpose Penetration Bucket Assembly--1.7 Cubic Meters
General Purpose Penetration Bucket (6w3059 N/S)--1.7 Cubic Meters
General Purpose Loose Material Bucket (8v2516 N/S)--1.7 Cubic Meters
Bucket Control (3v6305 N/S)
Bit And Cutting Edge (3g4428 N/S)
Edge (7t9325 N/S)--Bolt On Segment
7T***25Edge Group-Cutting; Cutting Edge Gp1
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General Purpose Excavating Bucket (6w5555 N/S)--1.7 Cubic Meters--Bolt On Segment
6W***55General Purpose Excavating Bucket1
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General Purpose Loose Material Bucket (6w5553 N/S)--1.9 Cubic Meters
6W***53General Purpose Loose Material Bucket1
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Tooth (3g4017 N/S)--Long
Tooth (3g4018 N/S)--Short
Tooth (1u2424 N/S)--Mono
Lubrication System
Breather (1w7298 N/S)
1W***98Breather Group; Breather Gp-Crankcase1
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Oil Filler (7n6496 N/S)
Oil Filter (8n5930 N/S)
8N***30Filter Group-Engine Oil; Engine Oil Filter Group1
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Fumes Disposal (7n6497 N/S)
Oil Pump (2w2833 N/S)
2W***33Pump Group-Engine Oil; Engine Oil Pump Group1
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Power Train
Transmission Control (2v4282 N/S)
Transmission Hydraulic Control (8p8980 N/S)
8P***80Control Group-Transmission Hydraulic; Transmission Hydroulic Control Group1
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Transmission Oil Cap Protection Cover (7k5636 N/S)
7K***36Cover Group-Protection; Protection Cover Group1
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Front Differential And Bevel Gear (5v5297 N/S)
5V***97Differential & Bevel Gear Group1
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Rear Differential And Bevel Gear (3v8263 N/S)
3V***63Differential & Bevel Gear Group1
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Differential (5v5303 N/S)
Differential (5v5298 N/S)
Pump Drive (9p9523 N/S)
9P***23Drive Group-Pump; Pump Drive Group1
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Drive Shaft (7v3622 N/S)
Power Train Oil Filler (3v6312 N/S)
Filter And Lines (3v6311 N/S)
Transmission Filter (9p1509 N/S)
9P***09Filter Group-Transmission; (Trans.)1
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Transfer Gear (8p9855 N/S)--Output
8P***55Gear Group-Transfer; Transfer Gear Group1
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Power Train Oil Lines (9g313 N/S)
9G***13Lines Group-Power Train Oil; Power Train Oil Lines Group1
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Parts And Case (8p9856 N/S)
8P***56Parts & Case Group-Transmission1
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Planetary (8p9857 N/S)--Part 1 Of 4
8P***57Planetary Group; Planetary Group1
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Planetary (8p9857 N/S)--Part 3 Of 4
8P***57Planetary Group; Planetary Group1
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Planetary (8p9857 N/S)--Part 4 Of 4
8P***57Planetary Group; Planetary Group1
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Planetary (8p9857 N/S)--Part 2 Of 4
8P***57Planetary Group; Planetary Group1
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7g3200 Gear Pump Group
7G***00Pump Group-Gear; (Transmission)1
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8v6825 Slip Joint Group--Type 2
8v6825 Slip Joint Group--Type 1
1t1448 Torque Converter Group
1T***48Torque Converter Group; Torque Converter Group1
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8p9853 Transmission Arrangement
1T***48Torque Converter Group; Torque Converter Group1
8P***80Control Group-Transmission Hydraulic; Transmission Hydroulic Control Group1
8P***53Transmission Ar1
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8v6827 Universal Joint Group--Type 2
8v6823 Universal Joint Group (7v3806 N/S)--Type 2
8v6827 Universal Joint Group--Type 1
8v6823 Universal Joint Group (7v3806 N/S)--Type 1
8p3040 Neutralizer Valve Group
8p9854 Relife Valve Group
8P***54Valve Group-Relief; Relief Valve Group1
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7t1374 Selector And Pressure Control Valve Group
7T***74Valve Group-Selector & Press Cont1
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Valve (8p8981 N/S)
8P***81Valve Group-Transmission Control1
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Final Drive And Brake Wheel (5v5299 N/S) -- 4 Required
5V***99Wheel Group-Final Drive & Brake1
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Service Equipment And Supplies
8f9866 Grease Gun Group
Name Plates And Films
1P***76Film-Cat On Side Of Operator Compartment2
4B***58Screw (Identification Plate) Mounting2
4V***40Film--Transmission Shift Lock; (On Top Right Surface Of Steering Column)1
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Tool (9s7978 N/S)
Steering And Braking System
Air Horn (3v6327 N/S)
4t7567 Valve Group
Valve (4t2513 N/S)
9t1866 Valve Group
4t2511 Steering Valve Group
4T***11Valve Group-Steering; (Steering)1
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4y400 Air Control Valve Group
Air Dryer (7v94 N/S)--Part 2 Of 2
Air Dryer (7v94 N/S)--Part 1 Of 2
3y9770 Air Horn Group
4v4893 Hydraulic Caliper Service Brake Group
4V***93Brake Group-Hydraulic Caliper Service1
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1v2699 Parking Brake Group
1V***99Brake Group-Parking; Parking Brake Group1
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Parking Brake (3v6317 N/S)
Service Brake (5v5300 N/S)
Brake Control (5v7564 N/S) -- Part 4 Of 4
Brake Control (5v7564 N/S) -- Part 1 Of 4
Brake Control (5v7564 N/S) -- Part 2 Of 4
Brake Control (5v7564 N/S) -- Part 3 Of 4
Brake Control (6w468 N/S)
6W***68Control Group-Parking Brake; -Secondary1
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Steering Control (9v6112 N/S)
5v3752 Air Hydraulic Cylinder Group
5V***52Cylinder Group-Air Over Hydraulic1
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Steering Oil Lines (7v3625 N/S) -- Part 1 Of 3
Steering Oil Lines (7v3625 N/S)--Part 2 Of 3
Steering Oil Lines (7v3625 N/S)--Part 3 Of 3
Supplemental Steering Lines (7v3620 N/S) - Part 1 Of 2
7V***20Lines Group-Supplemental Steering; Supplemental Steering Lines Group1
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Supplemental Steering Lines (7v3620 N/S)--Part 2 Of 2
7V***20Lines Group-Supplemental Steering; Supplemental Steering Lines Group1
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Mounting And Pump (5v8945 N/S)
5V***45Pump & Mounting Group; Mounting And Pump Group1
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7j8199 Gear Pump Group
Metering Pump (9t156 N/S) -- Type 1
Metering Pump (9t156 N/S) -- Type 2
4v1221 Supplemental Steering Arrangement
4V***21Steering Ar-Supplemental1
4V***05Valve & Mounting Group; Mounting And Valve Group152
5V***45Pump & Mounting Group; Mounting And Pump Group152
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Adjustable Steering Column (8v1183 N/S) -- Part 2 Of 2
8V***83Steering Column Group-Adjustable1
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Adjustable Steering Column (8v1183 N/S) -- Part 1 Of 2
8V***83Steering Column Group-Adjustable1
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Mounting And Valve (4v4205 N/S)
4V***05Valve & Mounting Group; Mounting And Valve Group1
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4d2287 Valve Assembly
4v4154 Brake Foot Control Valve Assembly
4V***54Valve As-Brake; -Parking, Service1
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3k5586 Check Valve Assembly
4t7568 Diverter Valve Group
4t2510 Neutralizer Valve Group
4T***10Valve Group-Neutralizer; (Neutralizer)1
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8j508 Neutralizer Valve Group
8J***08Valve Group-Neutralizer; (Neutralizer)1
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9t1486 Pressure Reducing Valve Group
9T***86Valve Group-Pressure Reducing; (Press. Reducing)1
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926 serial number reference

The product ID (PIN) plate is riveted to the loader frame on the left (curb) side of the front frame, near the operator station and articulation joint. The full PIN is also stamped directly into the frame steel next to the plate as a backup if the plate is lost, damaged, or painted over. Read the first three characters as the serial-number prefix, which ties the machine to a specific build run (94Z, 8NB, 4NB); the trailing five digits are that unit's sequence number within the run.

PrefixIdentifies
94Z926 / 926E (Cat 3204 engine)
8NB926 / 926E (Cat 3204 engine)
4NB926 / 926E (Cat 3204 engine)

Frequently asked questions

What engine powers the Caterpillar 926 wheel loader?

The original Caterpillar 926 runs a Cat 3204 turbocharged 4-cylinder diesel rated 78 kW (104.6 hp) at 2400 rpm, 5.2 L displacement with a 114 x 127 mm bore and stroke. It drives a powershift transmission with 4 speeds forward and 4 speeds reverse through a torque converter, with no electronic engine controls.

What is the operating weight of the Caterpillar 926?

Operating weight runs 8,800 to 9,300 kg (19,400 to 20,500 lb), depending on bucket choice and whether the machine carries the standard open ROPS canopy or the optional enclosed cab. That places the original 926 in the small/compact wheel loader class, well under the weight of the unrelated current-generation machine that later reused the plain 926 name.

What replaced the Caterpillar 926?

The 926E took over on the same Cat 3204 turbocharged engine and chassis, appearing on later serials within the same 94Z, 8NB, and 4NB production blocks rather than as a separate redesign; the 926A followed on the same general platform. Decades later, Caterpillar reused the bare 926 name again on a completely unrelated current Next Generation small wheel loader with a different engine and drivetrain - a naming echo, not a lineage descendant. When shopping used listings, match the serial prefix and engine tag to be sure which 926 is being described.

What 926 owners discuss

What do mechanics say about the powershift transmission and torque converter on the 926?
The 926 runs a torque-converter-driven powershift with a mechanical, column-mounted forward/reverse lever tied into the transmission control valve. Techs use a stall test to judge converter and clutch condition: lock the wheels, hold the machine in gear at full throttle, and read stalled engine rpm against the service spec. Never hold that test past about 30 seconds or the converter and transmission oil overheat. Sluggish direction changes or an apparent false-neutral condition on a machine this age is usually linkage wear or slop in the external shift linkage, not the valve body itself, so check the linkage before pulling the transmission. Have a dealer or qualified transmission tech verify stall speed and clutch pressures before condemning a converter.
Is the turbocharged 3204 in the 926 as tough as the naturally aspirated version in the smaller 916?
Owners and mechanics who have run both generally rate the naturally aspirated 3204 as the more durable engine; some naturally aspirated units in this engine family are reported running well past 10,000 hours, occasionally into the 15,000-hour range, before needing an overhaul. The turbocharged version fitted to the 926 pulls more horsepower out of the same basic block, and the added heat and boost load give it a rougher reputation in the field. Fuel pump calibration, injectors, and cooling capacity all differ between the two ratings, so components are not simply interchangeable between a 916 and a 926 without recalibration. Condition still depends heavily on maintenance and rebuild history, so treat "the turbo runs hotter" as a pattern to watch for, not a guarantee of failure.
What wear patterns show up on the loader linkage and bucket on this class of machine?
The Z-bar loader linkage, bucket link, and bell-crank pins are usually the first things to develop play on a well-used 926. Symptoms are looseness felt in the bucket, reduced breakout force, and eventually knocking under load. Root cause is almost always a lubrication interval that got skipped, dirt packed into the grease fittings, or a pin-and-bushing set that wasn't properly hardened on a prior repair. Once bore wear starts it accelerates quickly, so regreasing on schedule and catching play early is far cheaper than machining an oversized bore later.
What electrical or sensor issues come up on these older, mechanically governed loaders?
The 3204 in this loader is mechanically governed with no engine computer, so the electrical system only covers starting, charging, lighting, and a handful of gauges fed by simple sending units. The complaints that keep showing up are corroded battery terminals and grounds causing a slow crank or a dead gauge cluster, weak or sulfated batteries after sitting idle, and connectors corroded enough to cause an intermittent no-start or a flickering gauge. A misbehaving gauge or warning light on this machine is more often a bad ground or a failed sending unit than a wiring-harness fault. Chase grounds and battery condition first before replacing a starter or alternator. Have a qualified electrician or dealer tech verify any suspected short before it turns into a fire risk.
What causes hard starting or smoking on the 3204 in a 926?
Hard starting that clears up once you spray starting fluid points to weak injectors or low compression from worn rings, pistons, or liners, not a fuel-delivery fault by itself. A compression or leak-down test settles which one it is. Blue-white smoke under load usually traces back to that same worn-liner-and-ring wear pattern (blow-by), while black smoke points to a restricted air filter or injectors dumping too much fuel. Injection pump fuel pressure on a healthy engine should sit roughly in the 205-275 kPa (30-40 psi) range; anything well under that points to a fuel-system problem rather than compression. Metal found in the oil filter or in drained oil is the usual tell for worn crankshaft bearings, which otherwise can run quiet enough to go unnoticed for a while.
What hydraulic issues are typical on this loader?
Slow bucket or lift cycle times and a pump that whines or loses pressure under load are the recurring hydraulic complaints on machines of this generation. Dirt in the oil is the most common root cause: worn seals let contamination in, and that contamination accelerates pump and cylinder wear from there. Structural pump failures, when they happen, tend to show up as rotor or port-plate damage rather than a simple external leak. Regular oil and filter changes, plus keeping the hydraulic tank breather clean, catch most of this before it turns into a pump replacement.
What should I check before buying a used 926?
First confirm what you are actually looking at. The plain "926" name was reused decades later for an unrelated current-generation small wheel loader with a completely different engine and drivetrain, so match the serial prefix and engine tag to the 3204-powered machine before going further; the vintage machine sits in roughly the 8,800-9,300 kg (19,400-20,500 lb) class, well under the modern reissue's weight class. On the machine itself, check the Z-bar linkage pins and bushings for play, run a stall test on the torque converter and powershift, and pull a compression or leak-down check on the engine given how common worn liners and weak injectors are in this engine family. Look for dirt-contaminated hydraulic oil, weeping cylinder seals, and slow cycle times. Check tire tread and rim condition, since this class of loader spends its life on abrasive material. Confirm every gauge and warning light works and that batteries and grounds are clean, since electrical faults on these older machines are usually neglect rather than a design flaw. Have a dealer or independent tech verify brakes, steering, and transmission condition before signing anything.

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

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