Caterpillar 426B
Caterpillarbackhoe loader(no series)

Caterpillar 426B

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar 426B is a mid-size loader backhoe built for general construction, utility, and rental-fleet work. Caterpillar built the B-series from 1992 to 1996 as the update to the original bare 426, carrying forward through two serial-number blocks (5YJ, then 6KL). Every 426B runs the same Cat 3054 turbocharged 4-cylinder diesel, about 4.0 L displacement, rated near 44 kW (59 hp) net at 2200 rpm, with no mid-run engine change. Operating weight falls roughly between 6.7 and 7.1 t (14,770-15,550 lb) depending on configuration. Buyers could spec a 2WD or selectable 4WD front axle, an open ROPS canopy or an enclosed heated/AC cab, and a standard or telescoping Extendahoe dipper stick, all driven through a 4-speed full-synchro power-shuttle transmission. The 426B sits alongside the 416B, 428B, 436B, and 438B in Caterpillar's B-series backhoe loader lineup, and Caterpillar replaced it with the 426C in 1996.

Running changes within the 426B build were minor: electrical and hydraulic circuit updates between the 5YJ and 6KL serial blocks rather than a different engine or drivetrain. The 426C that followed kept the same 3054 turbo-diesel base but moved to a direct-injection version rated near 60 kW (80 hp) gross, along with updated hydraulics and cab ergonomics, a typical mid-1990s refresh rather than a ground-up redesign. That shared platform is why the 426B still matters in the used and parts market today: its engine, power-shuttle transmission, and axle components carry across the wider B-series family, so filters, seals, and rebuild kits stay easy to source decades after production ended. On the used market it trades as a low-cost, mechanically simple loader backhoe, appealing to owners who want a Cat nameplate without the complexity or expense of a Tier-emissions engine.

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 426B specifications

Engine

Engine modelCat 3054, 4-cylinder, turbocharged, direct-injection diesel
Displacement4.0 L (244 cu in); bore x stroke approx. 100 x 127 mm
Gross power45.6 kW (61.1 hp) at 2200 rpm
Net power43.9 kW (58.9 hp) at 2200 rpm; some references list a higher rating near 59 kW (79 hp) for the same engine — figures vary by source, verify against the OEM nameplate for your exact serial.
Emissions tierNot published for this model; the 426B production run (1992-1996) predates nonroad diesel emissions-tier standards for this power class
Generation notesOne 3054 turbocharged engine offering across the full 426B run (1992-1996); no mid-run engine change documented. Do not confuse with the unrelated current-production Cat 426 (side-shift), which uses a later 3054C engine rated near 68.5 kW (93 hp)

Weights

Operating weightapprox. 6.7-7.1 t (14,770-15,550 lb); varies by configuration (2WD vs 4WD, canopy vs cab, standard dipper vs extendahoe)
Shipping weightNot separately published for this model
Ground pressureNot published; wheeled machine, this spec is not typically issued for the class

Dimensions

Transport length6.92-6.96 m (22.7-22.8 ft)
Transport width2.26-2.29 m (7.4-7.5 ft)
Transport heightapprox. 3.74 m (12.3 ft) overall, measured with the backhoe boom in stowed travel position; cab/ROPS roofline alone is lower, about 2.71-2.74 m (8.9-9.0 ft)
Wheelbase2.07-2.10 m (6.8-6.9 ft); shorter figure is the 4WD chassis, longer the 2WD
Ground clearance0.29-0.30 m (11.4-11.8 in)
Standard tiresFront 11L-16 (2WD) or 10.5-20 (4WD); rear 16.9-24 (2WD) or 19.5L-24 (4WD)

Performance

Travel speed, forwardup to 32.4 km/h (20.1 mph)
Travel speed, reverseup to 32.5 km/h (20.2 mph)
Backhoe dig depth4.72 m (15.5 ft) with standard dipper; 6.16-6.19 m (20.2-20.3 ft) with extendahoe dipper extended
Backhoe reach from swivelapprox. 6.06-7.15 m (19.9-23.5 ft) with standard dipper, extending to about 7.40 m (24.3 ft) with extendahoe
Backhoe bucket digging forceapprox. 64 kN (14,440 lbf)
Loader bucket breakout forceapprox. 42 kN (9,440 lbf)
Loader lift capacity, full heightapprox. 2,681 kg (5,911 lb)
Loader load-over/dump heightapprox. 3.82 m (12.5 ft)

Service capacities (summary)

Fuel tank128 L (33.8-33.9 US gal)
Hydraulic system79.1 L (20.9 US gal)
Engine oil8.0-8.3 L (2.1-2.2 US gal)
Cooling system21.0-21.2 L (5.5-5.6 US gal)

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

426B fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)8.0-8.3 L (2.1-2.2 US gal)Cat DEO (Diesel Engine Oil), minimum API CH-4. SAE 10W-30 for consistently cold conditions (below 0°C/32°F); SAE 15W-40 for moderate-to-warm climates (roughly -20°C to 50°C). Machine uses the turbocharged 3054 diesel.
Cooling system21.0-21.2 L (5.55-5.6 US gal)Cat DEAC (Diesel Engine Antifreeze/Coolant), full-fill formula mixed 50/50 with clean water. Protects against freezing to about -37°C (-34°F) and against boil-over to 129°C (265°F) at that mix ratio. Use distilled or deionized water for mixing.
Fuel tank128.0-128.3 L (33.8-33.9 US gal)No. 2-D diesel fuel to ASTM D975. Switch to No. 1-D or a winter-grade blend in cold weather to prevent fuel waxing/gelling.
Transmission (4-speed synchromesh gearbox with power shuttle)10.2 L (2.7 US gal)Cat TDTO (Transmission/Drive Train Oil), SAE 30. Oil meeting API CD/TO-2 or MIL-L-2104D is an acceptable substitute where Cat TDTO is not available.
Rear axle (differential, inboard planetary final drives, wet-disc brakes)18.5-18.6 L (4.9 US gal)Cat TDTO SAE 30. Factory guidance moved this axle from the older Cat MTO (Multi-Purpose Tractor Oil) recommendation to TDTO 30, with an axle-and-brake oil additive package added on units fitted with updated wet-disc brakes.
Front axle and final drives (4WD/all-wheel-steer machines only)Not consistently published across available spec sheets - confirm with a dealer or the OMM for your serial range before servicingSame Cat TDTO family fluid used in the rear axle, consistent with this backhoe loader family's standard practice.
Hydraulic system and tank (includes hydrostatic power-steering circuit)79.1 L (20.9 US gal) total system fillCat HYDO (Hydraulic Oil). Cat DEO or Cat TDTO/MTO are listed by Caterpillar as acceptable alternates in hydraulic and hydrostatic systems if Cat HYDO is unavailable.
Grease (all chassis and linkage lube points)Per lubrication schedule - not a refill capacityNLGI Grade 2 multipurpose grease containing 3-5% molybdenum disulfide (Cat Prime Application Grease/MPGM or equivalent).

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

Caterpillar 426B maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level on the 3054 dipstick before startup and top off with Cat DEO.
  • Check coolant level and inspect hoses and clamps for weeping or chafing.
  • Walk down loader lift arms and backhoe boom, dipper, bucket, and stabilizer linkage for fresh leaks or loose pins.
  • Drain water and sediment from the fuel tank water separator.
  • Grease backhoe swing frame, boom, dipper, and bucket pivot pins and loader lift-arm and bucket pins weekly.
  • Check tire condition, pressure, and wheel nut torque on 2WD or 4WD axles.
Every 250 h
  • Change engine oil and filter on the 3054 turbo diesel with Cat DEO.
  • Replace primary and secondary fuel filters and check for water in the fuel.
  • Inspect and adjust fan and alternator belt tension.
  • Check battery electrolyte level and terminal condition on the 12V system.
  • Grease all backhoe and loader pivot pins thoroughly, including 4WD front axle king-pins.
  • Check power-shuttle transmission oil level.
Every 500 h
  • Change the hydraulic tank return filter element.
  • Check front axle (4WD) and rear axle differential oil level and top off with Cat gear oil.
  • Inspect and adjust wet-disc brake pedal travel.
  • Clean the radiator core and clear debris restricting airflow.
  • Check king-pin and wheel-bearing preload on the front drive axle.
  • Inspect backhoe stabilizer cylinders and pads for wear.
Every 1,000 h
  • Change power-shuttle transmission oil.
  • Change front and rear axle differential oil.
  • Change hydraulic system oil and clean or replace the hydraulic tank breather.
  • Check and adjust valve lash on the 3054 engine.
  • Test coolant condition and inhibitor level; add extender if needed.
  • Inspect turbocharger shaft play and boost hoses.
Every 2,000 h
  • Replace engine coolant and flush the cooling system.
  • Inspect the turbocharger for shaft play and rebuild if outside limits.
  • Check injection pump timing and injector spray pattern.
  • Inspect power-shuttle clutch packs for wear.
  • Check backhoe swing bearing and king-pin wear limits and shim or bush as needed.
  • Pressure-test the hydraulic pump and relief valve settings against factory spec.
Every 5,000 h
  • Plan a top-end or full overhaul of the 3054 diesel once compression or blow-by falls outside spec.
  • Rebuild or replace the hydraulic pump and cylinders showing scored rods or seal bypass.
  • Overhaul the power-shuttle transmission and differentials once shift quality or gear noise degrades.
  • Replace worn king-pins, bushings, and pins across the loader and backhoe linkage as a set.
  • Rebuild the turbocharger and replace injectors as a set rather than individually.

Servicing the 426B beyond the schedule

Predictive Maintenance & Fluid Analysis

Run scheduled oil sampling on the 3054 turbo diesel, power-shuttle transmission, and axle differentials. SOS-style analysis catches turbocharger wear, injector pump contamination, and clutch-pack degradation before a shift or power complaint shows up. Track coolant condition in the compact 3054 cooling system, since scale buildup shows up as rising boost and exhaust temperature before it causes overheating. Watch hydraulic oil cleanliness closely - the closed-center pump and cylinders are sensitive to particulate ingress through worn lift-arm and backhoe seals.

Corrective & Common Repairs

Expect hydraulic cylinder seal and hose leaks on the loader lift arms, backhoe boom, dipper, bucket rams, and stabilizers as the fleet ages - reseal at the first sign of external weeping before dirt scores the rods. Power-shuttle shift complaints usually trace to worn linkage, a shorted neutral-safety switch, or low, burnt transmission oil rather than the clutch packs themselves. Front axle king-pins and wheel bearings on 4WD units wear from constant loader-end shock loading and need regular inspection, not just grease.

Overhaul & Rebuild Points

Plan turbocharger and injection-pump overhaul around the 3054's mid-life hour mark - shaft play and injector wear drive most smoke and power complaints on higher-hour 426Bs. Rebuild the power-shuttle transmission and front and rear differentials as a set once shift quality or gear noise degrades; hardware shares across the 416B, 428B, 436B, and 438B family. Renew backhoe swing-frame bushings, king-pins, and loader pivot pins together rather than one at a time to keep linkage geometry and cycle times correct.

Seasonal & Environment Servicing

Cold-start the 3054 diesel with a block heater and correct winter-grade Cat DEO; this era's glow-plug and ether starting aids don't forgive thickened oil. Drop to a lower-viscosity hydraulic oil grade for cold climates so the closed-center pump doesn't cavitate on startup, and check the cab or canopy heater and defroster before winter work. In hot, dusty applications, clean the radiator core and turbo intake screen more often than the standard interval, and shorten fuel-filter and water-separator service to protect the injection pump.

426B common service parts

Part numberPart
9T-0973Filter-OilCheck fitment →

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

426B fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
Coolant Temperature warning lamp (thermometer symbol, dash gauge + red lamp)Engine coolant temperature has risen above the normal operating rangeLow coolant level, blocked radiator core, slipping or broken fan belt, or a stuck thermostatStop and idle the engine, let it cool, check coolant level and belt condition, inspect radiator fins and fan drive before restarting under load
Engine Oil Pressure warning lamp (oil can symbol, red)Engine oil pressure has dropped below the safe minimumLow oil level, worn oil pump, plugged oil filter, or a failed pressure sending unitShut the engine down immediately, check oil level and condition, inspect the pressure sender before restarting
Alternator/Charging warning lamp (battery symbol, red)Charging circuit voltage is below normal, battery is not being chargedLoose or worn alternator belt, failed alternator, or a loose/corroded battery or wiring connectionCheck belt tension and wiring connections, test alternator output, inspect battery terminals
Fuel Level gauge / low fuel warningFuel level in the tank is lowNormal fuel consumption nearing empty, or an unexpected fuel leak if the drop is faster than usualRefuel; if fuel drops unusually fast, inspect fuel lines, tank, and connections for leaks
Brake Fluid Level warning lampBrake fluid reservoir is below the minimum markFluid leak in the brake lines or wheel cylinders, or worn brake components allowing reservoir level to dropCheck reservoir level, inspect brake lines and cylinders for leaks, top up and bleed as needed
Transmission Filter Bypass indicatorTransmission/hydraulic filter restriction has reached the bypass point, allowing unfiltered oil to circulateClogged filter element, cold thick oil on startup, or filter service overdueReplace the filter element at the next service interval, check oil condition and change interval history
Hydraulic Oil Temperature warning lampHydraulic system oil temperature has exceeded normal operating rangeLow hydraulic fluid level, clogged oil cooler, relief valve stuck, or sustained heavy-load operationIdle machine to let hydraulic oil cool, check fluid level, inspect cooler core for debris and airflow restriction

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

426B attachments & work tools

Loader (front) buckets

General-purpose front bucket rated around 0.96-1.0 m³ (1.25-1.3 cu yd) with a cutting width near 2.26 m (89 in), fitted with bolt-on teeth. A multi-purpose (4-in-1) bucket of similar capacity is offered for grading, light dozing, and clamping loose material.

Backhoe (rear) buckets

Digging and ditching buckets sized from about 330 mm to 910 mm (13-36 in) wide cover trenching through general excavation. Buckets pin to the dipper stick and use bolt-on teeth; backhoe bucket tear-out/dig force sits in the 60-65 kN class across the width range.

Coupler / mounting system

Rear bucket changes use a mechanical pin-lock style coupler that lets the dipper stick pick up and lock different backhoe buckets without leaving the seat. The front loader bucket mounts on fixed pins; this generation predates the IT quick-attach loader coupler used on later 426-family updates, so front-end tool swaps are pin-on only.

Hydraulic hammer / breaker

A hydraulic breaker sized to this backhoe's class (roughly 0.5-1 tonne operating weight) mounts on the dipper stick in place of the digging bucket. It requires an auxiliary hydraulic circuit/hammer kit plumbed to the backhoe end rather than running off the base bucket circuit.

Auger

A backhoe-mounted earth auger drills holes for posts, fencing, signs, and footings. It needs the same auxiliary hydraulic kit as the hammer, with a dedicated drive head and interchangeable bits covering a range of hole diameters.

Hydraulic thumb

A hydraulic thumb clamps against the digging bucket on the dipper stick to grip pipe, rock, and debris. It taps into the backhoe's auxiliary hydraulic circuit and swings clear of the bucket for normal digging.

Pallet forks / material handling

Fork frames, or a fork-equipped multi-purpose bucket, mount on the front loader arms for palletized loads and pipe handling, sized to the loader's roughly 9-10 kN breakout-force class.

Broom, cold planer, compaction wheel

Sweeper brooms, cold planers, and compaction wheels are cataloged across Cat's backhoe-loader attachment line for this size class. Exact fitment and hydraulic flow requirements for this specific model vary by configuration/series - verify with a dealer before ordering.

All 426B assemblies by section

Every catalogued assembly group for the Caterpillar 426B. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
7e7706 Air Cleaner Gp
7E***06Air Cleaner Group; Air Cleaner Gp1
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4p3334 Air Cleaner Gp
7e7720 Lines Gp-Air
6i1111 Manifold Gp-Exhaust
6I***11Manifold Group-Exhaust; Manifold Gp-Exhaust1
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6i1108 Manifold Gp-Inlet
6I***08Manifold Group-Inlet; Manifold Gp-Inlet1
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7e7719 Muffler Gp
7c3446 Turbocharger Gp
6i1125 Turbocharger Gp
6I***25Turbocharger Group; Turbocharger Gp1
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Basic Engine
6i0503 Cover Gp-Valve Mechanism
6I***03Cover Group-Valve Mechanism; Cover Gp-Valve Mechanism1
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6i1015 Cylinder Block Gp
6I***15Cylinder Block Group; Cylinder Block Gp1
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6i1016 Cylinder Block Gp
6i1194 Cylinder Head Gp
6i1195 Cylinder Head Gp
7e9559 Engine Ar-Primary
10***76Filter Group-Fuel1
10***33Cooler Group-Filter Base & Eng Oil; Cooler Gp-Filter Base & Engine Oil1
6I***61Flywheel Group; Flywheel Gp1
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6i0261 Flywheel Gp
7e9557 Installation Ar-Engine
4P***26Separator Group-Water; Separator Gp-Water1
4P***11Mounting Group-Alternator; Mounting Gp-Alternator1
6I***51Fan Group-Suction; Fan Gp-Suction1
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7e7708 Mounting Gp
7E***08Mounting Group-Engine & Tmsn; Mounting Gp-Engine & Transmission1
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6i0288 Pan Gp-Oil
6i0894 Camshaft Gp
6i0643 Cover Gp-Front Housing
6i1079 Crankshaft Gp
6i1157 Gear Gp-Front
6i0834 Housing Gp-Front
6i0652 Lifting Gp
1089620 Piston & Rod Gp
6i0890 Piston & Rod Gp
6i0500 Pulley Gp-Crankshaft
6i0911 Pump Gp-Gerotor
6i1204 Valve Mechanism Gp
Braking System
9r7641 Control Gp-Brake (Pedal)
9r7642 Control Gp-Brake
9R***42Control Group-Parking Brake; Control Gp-Parking Brake1
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Cooling System
1052733 Cooler Gp-Filter Base & Engine Oil
10***33Cooler Group-Filter Base & Eng Oil; Cooler Gp-Filter Base & Engine Oil1
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7e7717 Cooler Gp-Hydraulic Oil
11***54Core As-Oil Cleaner1
5K***90Seal-To Hydraulic Cooler Inlet Port1
7E***17Cooler Group-Hydraulic Oil; Cooler Gp-Hydraulic Oil1
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6i0649 Drive Gp-Fan
6i2851 Fan Gp-Suction
6I***51Fan Group-Suction; Fan Gp-Suction1
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6i0451 Lines Gp-Water
6I***51Lines Group-Water; Lines Gp-Water1
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7e7716 Radiator Gp
6i0441 Pump Gp-Water
6i0442 Pump Gp-Water
Electrical System
9x0341 Alternator Gp
7e7712 Alternator Gp
7E***12Alternator Group-Charging1
9X***41Alternator Group-Charging0
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1052813 Alternator Gp-Charging
3e7295 Alternator Gp
9r7590 Battery & Wiring Gp-Part 1 Of 3
9r7590 Battery & Wiring Gp-Part 3 Of 3
1061684 Battery & Wiring Gp-Part 3 Of 3
1061684 Battery & Wiring Gp-Part 1 Of 3
1061684 Battery & Wiring Gp-Part 2 Of 3
9r7590 Battery & Wiring Gp-Part 2 Of 3
9r9531 Battery Gp-Heavy Duty
6i1149 Starting Aid Gp
6I***49Heater Group-Air Inlet; (Heater, Lines)1
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3e7585 Lamp Gp-Head
3e7584 Lamp Gp-Head
9r8628 Lighting Gp-Roading (Cosa)
9R***28Lighting Group-Roading; Lighting Gp-Roading1
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8y8672 Lighting Gp-Roading-Lh Dip
3E***85Lamp Group-Head & Turn2
8Y***72Lighting Group-Roading; -Lh Dip1
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9r7597 Lighting Gp-Roading
9R***97Lighting Group-Signal; Lighting Gp-Signal1
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9r8632 Lighting Gp-Warning
9r8721 Lighting Gp-Warning
9r7598 Lighting Gp-Flood
9r8041 Lighting Gp-Front & Rear Work
4p3711 Alternator Gp
4P***11Mounting Group-Alternator; Mounting Gp-Alternator1
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7e7711 Starting Motor Gp-Electric-12 Volt
7E***11Starting Motor Group-Electric; Starting Motor Gp-Electric1
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3e7905 Starting Motor Gp-Electric
3e7341 Switch Gp-Start
9r9481 Warning Gp-Back-Up
9r5374 Wiring Gp
9R***74Wiring Group-Hydraulic Control Valve; Wiring Gp-Hydraulic Control Valve1
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9r7768 Wiring Gp-Lighting
9R***68Wiring Group-Lighting; Wiring Gp-Lighting1
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9x8079 Lamp Gp-Rotating Beacon
9r8250 Lamp Gp-Warning
9r7940 Wiring Gp-Power
Frame And Body
8y8659 Counterweight Gp-750 Lbs
9r8091 Counterweight Gp-1000 Lbs
9r0704 Counterweight Gp-500 Lbs
9r0012 Counterweight Gp-225 Lbs
9r9763 Cover Gp-Fender
9R***63Cover Group-Fender; Cover Gp (Cab)1
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9r8677 Door Gp-Lh
9r8678 Door Gp-Rh
9r9487 Frame Gp-Loader
9R***87Frame Group-Loader; Frame Gp-Loader1
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9r7585 Frame Gp-Loader
9R***85Frame Group-Loader; Frame Gp-Loader1
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9r7586 Hood & Guard Gp
9r8674 Hood Gp
9r0782 Battery Box Gp
Fuel System
9r7584 Control Gp-Governor & Accelerator
9R***84Control Group-Gov & Accelerator; Control Gp-Governor & Accelerator1
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6i0916 Lines Gp-Fuel Filter
6I***16Lines Group-Fuel Filter; Lines Gp-Fuel Filter1
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6i1213 Lines Gp-Fuel Injection
6I***13Lines Group-Fuel Injection; Lines Gp-Fuel Injection1
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6i2476 Pump Gp-Fuel Injection
6i2477 Pump Gp-Fuel Injection-Part 1 Of 3
11***64Housing1
11***65Washer1
11***66Washer1
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6i2477 Pump Gp-Fuel Injection-Part 3 Of 3
10***86Kit-Pump Gasket; (Fuel Injection Pump)1
10***97Kit-Solenoid; (Shutoff)(Fuel)1
11***00Stud1
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6i2477 Pump Gp-Fuel Injection-Part 2 Of 3
11***14Spring1
11***15Spring1
11***16Guide1
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4p3026 Separator Gp-Water
4P***26Separator Group-Water; Separator Gp-Water1
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1010327 Tank Gp-Fuel
101-3376 Filter Gp-Fuel
6i0570 Pump Gp-Fuel
Hydraulic System
1268931 Control Gp-Excavator
9r7651 Control Gp-Valve-Extended Stick
6e1933 Conversion Gp-Field (2 To 3)
1070627 Cylinder Gp-Stabilizer-Lh
10***58Cylinder Group-Stabilizer-Lh1
10***27Cylinder Group1
6E***97Cylinder Group-Stabilizer-Lh1
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1268316 Cylinder Gp-Bucket
6e1809 Cylinder Gp-Bucket (Chg 01)
6e3692 Cylinder Gp-Bucket-Extension
6e1948 Cylinder Gp-Boom (Chg 00)
6E***48Cylinder Group-Boom; Cylinder Gp-Boom1
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6e3662 Cylinder Gp-Extension (Chg 00)
6E***62Cylinder Group-Extendable Stick1
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9t0415 Cylinder Gp-Loader Lift-2 Required (Chg 01-03)
6e0103 Cylinder Gp-Loader Lift-2 Required (Chg 02)
1070624 Cylinder Gp-Lift
10***24Cylinder Group-Lift; Cylinder Gp-Lift1
6E***03Cylinder Group-Lift1
9T***15Cylinder Group-Lift1
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1164365 Cylinder Gp-Stabilizer-Lh (Chg 00)
1164366 Cylinder Gp-Stabilizer-Lh (Chg 00)
1164367 Cylinder Gp-Stabilizer-Rh (Chg 00)
1165353 Cylinder Gp-Stabilizer-Rh
1164368 Cylinder Gp-Stabilizer-Rh (Chg 00)
1165354 Cylinder Gp-Stabilizer-Lh
1052358 Cylinder Gp-Stabilizer-Lh (Chg 01)
6e0097 Cylinder Gp-Stabilizer-Lh (Chg 00)
1052323 Cylinder Gp-Stabilizer-Rh (Chg 01)
1070626 Cylinder Gp-Stabilizer-Rh
10***23Cylinder Group-Stabilizer-Rh1
10***26Cylinder Group-Stabilizer-Rh1
6E***99Cylinder Group-Stabilizer-Rh1
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6e0099 Cylinder Gp-Stabilizer-Rh (Chg 00)
6e1935 Cylinder Gp-Stick (Chg 00)
6E***35Cylinder Group-Stick; Cylinder Gp-Stick1
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6e0288 Cylinder Gp-Swing-Rh & Lh (Chg 01)
6E***88Cylinder Group-Swing; Cylinder Gp-Swing1
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1074346 Cylinder Gp-Basic
10***55Cylinder Group-Tilt; Cylinder Gp-Tilt1
10***46Cylinder Group-Tilt; Cylinder Gp-Tilt1
6E***13Cylinder Group-Tilt; Cylinder Gp-Tilt1
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1074346 Cylinder Gp-Tilt
10***46Cylinder Group-Tilt; Cylinder Gp-Tilt1
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6e0113 Cylinder Gp-Tilt (Chg 00)
6E***13Cylinder Group-Tilt; Cylinder Gp-Tilt1
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1071855 Cylinder Gp-Tilt (Chg 00)
10***55Cylinder Group-Tilt; Cylinder Gp-Tilt1
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6e5215 Filter Gp-Hydraulic Oil
6E***15Filter Group-Hydraulic; -Steering Oil Cooler1
9T***73Filter-Oil; (Advanced Efficiency)(Hydraulic)1
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9r8002 Hydraulic Ar-Multi-Purpose Bucket
6E***32Valve Group-Bank1
9R***54Lines Group-Hydraulic1
9R***60Control Group-Loader Bucket; -Loader1
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9r7656 Hydraulic Ar-1 Auxiliary
6E***30Valve Group-Bank1
6V***30Cap As -Lines From Rotate Valve Work2
9R***52Control Group-Valve1
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9r7659 Hydraulic Ar-8th Function
10***49Lines Group-Auxiliary Hydraulic; Lines Gp-Auxiliary Hydraulic1
6E***30Valve Group-Bank1
9R***53Control Group-Valve1
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9r7657 Hydraulic Ar-3 Lever-Foot Swing
6E***78Valve Group-Bank1
9R***57Hydraulic Ar1
9R***62Control Group-Swing1
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9r7658 Hydraulic Ar-1-Foot Swing
6E***30Valve Group-Bank1
9R***51Control Group-Valve1
9R***55Lines Group-Hydraulic1
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9r8719 Hydraulic Ar-7
6E***78Valve Group-Bank1
6V***54Nut; (Face Seal) (13/16-16 Thd)1
6V***56Plug1
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9r8003 Hydraulic Ar-Multi-Purpose Bucket
6E***33Conversion Group-Field1
9R***54Lines Group-Hydraulic1
9R***60Control Group-Loader Bucket; -Loader1
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9r7639 Kickout & Positioner Gp
8y7195 Lines Gp-Auxiliary Hydraulic
1060592 Lines Gp-Auxiliary Hydraulic-Part 3 Of 3
10***92Lines Group-Auxiliary Hydraulic1
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1076349 Lines Gp-Auxiliary Hydraulic
10***49Lines Group-Auxiliary Hydraulic; Lines Gp-Auxiliary Hydraulic1
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1060592 Lines Gp-Auxiliary Hydraulic-Part 1 Of 3
10***92Lines Group-Auxiliary Hydraulic1
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1060848 Lines Gp-Auxiliary Hydraulic-Part 1 Of 2
10***48Lines Group-Auxiliary Hydraulic; Lines Gp-Auxiliary Hydraulic1
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1060848 Lines Gp-Auxiliary Hydraulic-Part 2 Of 2
10***48Lines Group-Auxiliary Hydraulic; Lines Gp-Auxiliary Hydraulic1
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1060592 Lines Gp-Auxiliary Hydraulic-Part 2 Of 3
10***92Lines Group-Auxiliary Hydraulic1
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9r8909 Lines Gp-Boom
9R***09Lines Group-Boom; Lines Gp-Boom1
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9r8334 Lines Gp-Boom Cylinder
9R***34Lines Group-Boom Cylinder; Lines Gp-Boom Cylinder1
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9r9464 Lines Gp-Bucket Cylinder
9r8784 Lines Gp-Extension Cylinder
9R***84Lines Group-Extension Cylinder; Lines Gp-Extension Cylinder1
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9r9465 Lines Gp-Hydraulic
1179599 Lines Gp-Hydraulic
9r7655 Lines Gp-Hydraulic 1
9r7654 Lines Gp-Hydraulic 1 Circuit
9r9038 Lines Gp-Hydraulic-1 Circuit
9r7610 Lines Gp-Hydraulic
9R***10Lines Group-Hydraulic; Lines Gp-Hydraulic1
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9r7604 Lines Gp-Pump-Part 1 Of 2
9R***04Lines Group-Hydraulic Pump; Lines Gp-Hydraulic Pump1
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9r7604 Lines Gp-Pump-Part 2 Of 2
9R***04Lines Group-Hydraulic Pump; Lines Gp-Hydraulic Pump1
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9r5372 Lines Gp-Lift Cylinder
9R***72Lines Group-Lift Cylinder; Lines Gp-Lift Cylinder1
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9r7603 Lines Gp-Lift Cylinder
9R***03Lines Group-Lift Cylinder; Lines Gp-Lift Cylinder1
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9r7605 Lines Gp-Stabilizer Cylinder
9r8336 Lines Gp-Stick
9R***36Lines Group-Stick; Lines Gp-Stick1
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9r8910 Lines Gp-Stick
9r8785 Lines Gp-Stick-Extendable
9R***85Lines Group-Stick; Lines Gp-Stick1
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9r7608 Lines Gp-Swing Cylinder
9R***08Lines Group-Swing Cylinder; Lines Gp-Swing Cylinder1
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9r7607 Lines Gp-Tilt Cylinder
9R***07Lines Group-Tilt Cylinder; Lines Gp-Tilt Cylinder1
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9r5371 Lines Gp-Tilt Cylinder
9R***71Lines Group-Tilt Cylinder; Lines Gp-Tilt Cylinder1
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8y7219 Lock Ar-Boom & Stick
3D***24O-Ring - For Oil Drain & Level Plug (Items 3 & 7)2
6E***65Valve Group-Bank1
8Y***19Lock Ar1
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8y7223 Lock Ar-Boom & Stick
6E***65Valve Group-Bank1
8Y***23Lock Ar1
9R***09Lines Group-Boom; Lines Gp-Boom1
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8y7215 Lock Ar-Boom With E-Stick
6E***65Valve Group-Bank1
8Y***15Lock Ar-Boom1
9R***09Lines Group-Boom; Lines Gp-Boom1
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8y7211 Lock Ar-Boom
3D***24O-Ring - For Oil Drain & Level Plug (Items 3 & 7)2
6E***65Valve Group-Bank1
8Y***11Lock Ar-Boom1
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9r7212 Lock Ar-Hydraulic-Cosa
9R***71Lines Group-Tilt Cylinder; Lines Gp-Tilt Cylinder1
9R***72Lines Group-Lift Cylinder; Lines Gp-Lift Cylinder1
9R***74Wiring Group-Hydraulic Control Valve; Wiring Gp-Hydraulic Control Valve1
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9r8039 Lock Gp-Transport (Cosa)
9r7638 Coupling Gp-Pump
9R***38Mounting Group-Hydraulic Pump Drive; Mounting Gp-Hydraulic Pump Drive1
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6e5280 Pump Gp-Piston
6e6160 Rotating Gp-Pump
6E***60Rotating Group-Pump; -Front Hydraulic Fan1
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9r7611 Tank Gp-Hydraulic
9R***11Tank Group-Hydraulic; Tank Gp-Hydraulic1
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6e5865 Valve Gp-Bank 7
6e1930 Valve Gp-Bank 1
6e1778 Valve Gp-Bank 7
6e1932 Valve Gp-Bank 3
6e1777 Valve Gp-Bank 6
6e1780 Valve Gp-2
9t8964 Valve Gp-Check
9T***64Valve Group-Check; (Hydraulic Oil Filter)1
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6e6288 Valve Gp-Control-Stick
1057694 Valve Gp-Control-Boom
1004102 Valve Gp-Control-Swing
6e4668 Valve Gp-Control-Stabilizer-Rh & Lh
6E***68Valve Group-Control; -Stablizer Rh & Lh1
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6e6289 Valve Gp-Control-Bucket
6E***89Valve Group-Control; -Backhoe Bucket1
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6e6443 Valve Gp-Control-Tilt
6e6442 Valve Gp-Control-Lift
1057695 Valve Gp-Control-Stick
6e6290 Valve Gp-Control-Boom
6e6441 Valve Gp-Control-Clam
1004101 Valve Gp-Control-Boom (Cosa)
10***01Valve Group-Control; -Boom & Stick1
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6e6287 Valve Gp-Control-Extendable Stick
6E***87Valve Group-Control; -Extendable Stick1
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9t5455 Valve Gp-Load
9T***55Valve Group-Load Control; -Tilt1
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6e3942 Valve Gp-Load
6E***42Valve Group-Load Control; -Boom1
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6e3941 Valve Gp-Load
6E***41Valve Group-Load Control; -Stick1
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9t5454 Valve Gp-Load
9T***54Valve Group-Load Control; -Lift1
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6e6170 Valve Gp-Pressure & Flow Compensator
6E***70Valve Group-Press & Flow Cmpnstr; -Front Hydraulic Fan1
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1057696 Valve Gp-Relief (Direct Operated)
9t4006 Cylinder Gp-Bucket-2 Required (Chg 00-01)
9T***06Cylinder Group-Bucket; Cylinder Gp-Multi-Purpose Bucket1
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9r5560 Guard Gp-Stabilizer Cylinder
9R***60Guard Group-Stabilizer Cylinder1
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9r3712 Lines Gp-Bucket-Bottom Dump
9R***12Lines Group-Bucket; Lines Gp-Bucket (Bottom Dump)1
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9r5788 Lines Gp-Bucket-Bottom Dump
9R***88Lines Group-Bucket; Lines Gp-Multi-Purpose Bucket1
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9r5788 Lines Gp-Bucket
9R***88Lines Group-Bucket; Lines Gp-Multi-Purpose Bucket1
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9r4668 Mounting Gp-Cylinder
9R***68Mounting Group-Bucket Cylinder; -Multipurpose Bucket1
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6e3655 Valve Gp-Relief (Direct Operated
9t0718 Valve Gp-Relief Crossover
9T***18Valve Group-Check & Relief; -Crossover1
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9t9927 Valve Gp-Manual
9t0633 Valve Gp-Priority Flow Divider
9T***33Valve Group-Priority Flow Divider; (Priority)1
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Implements
9r9129 Arm Gp-Lift
1186882 Backhoe Ar
11***99Lines Group-Hydraulic1
11***82Backhoe Ar1
6E***09Cylinder Group-Backhoe Bucket1
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9r8134 Boom Gp
9r9048 Bucket Ar-Multi Purpose
8C***63Film-Identification1
9R***93Bucket Ar-Multipurpose; Bucket Arrangement-Multi-Purpose1
9R***02Hydraulic Ar1
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9r9076 Bucket Ar-Multi Purpose
8C***63Film-Identification1
9R***92Bucket Ar-Multipurpose; Bucket Arrangement-Multi-Purpose1
9R***02Hydraulic Ar1
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1118636 Bucket Ar-Multi-Purpose
10***87Film-Identification; (Bucket Level)1
11***34Bucket Ar-Multipurpose1
11***36Bucket Ar-Multipurpose1
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9r6093 Bucket Ar-Multi-Purpose
9R***68Mounting Group-Bucket Cylinder; -Multipurpose Bucket1
9R***99Fork Group1
9R***88Lines Group-Bucket; Lines Gp-Multi-Purpose Bucket1
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1120939 Bucket Ar-Multi-Purpose
10***10Fork Group; Fork Gp1
11***39Bucket Ar-Multipurpose; Bucket Ar-Multipurpose1
11***78Bucket Group-Multipurpose1
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9r6092 Bucket Ar-Multi-Purpose
9R***68Mounting Group-Bucket Cylinder; -Multipurpose Bucket1
9R***87Bucket Group-Multipurpose; Bucket Gp-Multi-Purpose1
9R***88Lines Group-Bucket; Lines Gp-Multi-Purpose Bucket1
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1120940 Bucket Ar-Multipurpose
10***87Film-Identification; (Bucket Level)1
11***38Bucket Ar-Multipurpose; Bucket Ar-Multipurpose1
11***40Bucket Ar-Multipurpose1
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1120941 Bucket Ar-Multipurpose
10***87Film-Identification; (Bucket Level)1
11***39Bucket Ar-Multipurpose; Bucket Ar-Multipurpose1
11***41Bucket Ar-Multipurpose1
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1120938 Bucket Ar-Multi-Purpose
10***36Bucket Group-Multipurpose1
11***38Bucket Ar-Multipurpose; Bucket Ar-Multipurpose1
9R***12Lines Group-Bucket; Lines Gp-Bucket (Bottom Dump)1
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1118637 Bucket Ar-Multi-Purpose
10***87Film-Identification; (Bucket Level)1
11***35Bucket Ar-Multipurpose1
11***37Bucket Ar-Multipurpose1
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1118634 Bucket Ar-Multi-Purpose
10***65Bucket Group-Multipurpose1
11***34Bucket Ar-Multipurpose1
9R***68Mounting Group-Bucket Cylinder; -Multipurpose Bucket1
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9r8040 Bucket Ar-Multi-Purpose
8C***63Film-Identification1
9R***91Bucket Ar-Multi-Purpose1
9R***02Hydraulic Ar1
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1118635 Bucket Ar-Multi-Purpose
10***64Bucket Group-Multipurpose1
10***10Fork Group; Fork Gp1
11***35Bucket Ar-Multipurpose1
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9r7536 Bucket Gp-Hoe
9r9130 Bucket Gp-Hoe
9r9036 Bucket Gp-Hoe
9r6312 Bucket Gp-Hoe
9r7724 Bucket Gp-Hoe
9r9018 Bucket Gp-Hoe
9r6512 Bucket Gp-Hoe
9r9030 Bucket Gp-Hoe
9r9136 Bucket Gp-Hoe
9r9024 Bucket Gp-Hoe
9r6412 Bucket Gp-Hoe
9r9118 Bucket Gp-Hoe
9r7518 Bucket Gp-Hoe
9r7616 Bucket Gp-Hoe
9r7524 Bucket Gp-Hoe
9r7624 Bucket Gp-Hoe
9r7718 Bucket Gp-Hoe
9r8024 Bucket Gp-Hoe
9R***24Bucket Group-Hoe; -Extreme Service1
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9r7630 Bucket Gp-Hoe
9r8018 Bucket Gp-Hoe
9R***18Bucket Group-Hoe; -Extreme Service1
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9r7618 Bucket Gp-Hoe
9r7736 Bucket Gp-Hoe
9r7530 Bucket Gp-Hoe
9r9124 Bucket Gp-Hoe
9r7730 Bucket Gp-Hoe
9r7636 Bucket Gp-Hoe
1083036 Bucket Gp-Multi-Purpose
9r4667 Bucket Gp-Multi-Purpose (Bottom Dump)
9R***67Bucket Group-Multipurpose; Bucket Gp-Multi-Purpose1
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9r5787 Bucket Gp-Multi-Purpose
9R***87Bucket Group-Multipurpose; Bucket Gp-Multi-Purpose1
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1043964 Bucket Gp-Multi-Purpose
9r5789 Bucket Gp-Multi-Purpose
9R***89Bucket Group-Multipurpose; Bucket Gp-Multi-Purpose1
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1121778 Bucket Gp-Multi-Purpose
1043965 Bucket Gp-Multi-Purpose
9r5399 Fork Gp
1046310 Fork Gp
9r8129 Frame Gp-Swing
9R***29Frame Group-Swing; Frame Gp-Swing1
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9r9534 Adapter Kit-Bucket (Backhoe)
3B***19Pin-Cotter2
6S***28Bearing-Sleeve2
9R***53Bearing-Sleeve; (45.295mm Id)4
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9r9960 Link As
9R***47Bearing-Sleeve2
9R***53Bearing-Sleeve; (45.295mm Id)4
9R***60Link As1
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9r8131 Linkage Gp-Bucket
9R***31Linkage Group-Backhoe Bucket; Linkage Gp-Backhoe Bucket1
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9r8039 Lock Gp-Transport (Cosa)
9r8133 Lock Gp-Transport
9R***33Lock Group-Transport; Lock Gp-Transport1
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8y7233 Mounting Gp-Stick
8Y***33Mounting Group-Stick; Mounting Gp-Stick1
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1058046 Pad & Guard Gp-Cylinder
10***46Pad & Guard Group-Stabilizer; -Street1
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1058046 Pad & Guard Gp-Stabilizer
10***46Pad & Guard Group-Stabilizer; -Street1
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1352876 Pad Gp
9r0041 Stabilizer Gp-Backhoe
9R***41Stabilizer Group-Backhoe; Stabilizer Gp-Backhoe1
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9r7738 Stick Ar-Extendable
1061524 Stick Ar-Extendable
10***52Stick Group-Extendable1
10***24Stick Ar-Extendable1
6E***92Cylinder Group-Backhoe Bucket1
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1060852 Stick Gp-Extension
9r7739 Stick Gp-Extension
9R***39Stick Group-Extendable; Stick Gp-Extendable1
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9r8132 Stick Gp-Hoe
1010705 Tip-Double Point
9r0036 Brace Gp-Lift Cylinder
9r6091 Bucket Ar-Multi-Purpose
10***36Bucket Group-Multipurpose1
9R***12Lines Group-Bucket; Lines Gp-Bucket (Bottom Dump)1
9R***67Bucket Group-Multipurpose; Bucket Gp-Multi-Purpose1
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9r5989 Bucket As-Loader
9r5321 Edge Gp-Cutting
9r5320 Edge Gp-Cutting
9r5416 Fork Ar
9R***99Fork Group1
9R***16Fork Ar1
9R***30Mounting Group-Fork1
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9r9140 Linkage Gp-Bucket
9r5430 Mounting Gp-Fork
9r6007 Pad Gp-Stabilizer
9r1085 Pad Gp-Stabilizer-Street
4t2203 Tip-Abrasion
1u3209 Tip-Penetration
1U***09Tip-Penetration1
1U***31Tip-Penetration1
1U***32Tip-Penetration1
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9w8208 Tip-Penetration (Sharp Corner)
9W***08Tip-Penetration1
9W***57Tip-Penetration1
9W***58Tip-Penetration1
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9w8209 Tip-Penetration (Sharp Center)
9W***09Tip-Penetration1
9W***60Tip-Penetration1
9W***61Tip-Penetration1
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1u3201 Tip-Short
1U***01Tip-Short1
1U***27Tip-Short1
1U***28Tip-Short1
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9w1880 Tooth Gp-Uni Bolt-On
9r5866 Tooth Gp-Uni Bolt-On
Lubrication System
6i0509 Filler Gp-Oil
6i1496 Gauge Gp-Oil Level (Dipstick)
6I***96Gauge Group-Oil Level (Dipstick); Gauge Gp-Oil Level (Dipstick)1
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6i1086 Lines Gp-Engine Oil
6I***86Lines Group-Engine Oil; Lines Gp-Engine Oil1
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6i0515 Fumes Disposal Gp
Operator Station
8y8609 Air Conditioner & Mounting Gp
8Y***09Air Conditioner & Mounting Group1
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9r8009 Air Conditioner Ar
10***13Alternator Group-Charging1
11***93Plate; (Instruction) (On Right Side Behind Cab Door)1
4P***15Pulley1
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3e7791 Air Conditioner Gp-Part 1 Of 2
1107891 Air Conditioner Gp-Part 1 Of 2
1107891 Air Conditioner Gp-Part 2 Of 2
3e7791 Air Conditioner Gp-Part 2 Of 2
9r8114 Platform & Cab Ar (Cosa)
9R***68Wiring Group-Lighting; Wiring Gp-Lighting1
9R***40Wiring Group-Power Receptacle1
9R***08Cab Group1
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9r8113 Cab Ar (Cosa)
10***11Headliner Group-Cab; Headliner Gp-Cab1
10***45Film-Identification; (Fuse)(On Inside Of Rh Panel Console)1
10***84Battery & Wiring Group1
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9r7760 Cab Ar (U.S.)
9r7761 Cab Ar
9r8008 Cab Gp-Part 3 Of 3
9r7762 Cab Gp-Part 1 Of 3
9r7762 Cab Gp-Part 3 Of 3
9r8008 Cab Gp-Part 2 Of 3
9r7762 Cab Gp-Part 2 Of 3
9r8008 Cab Gp-Part 1 Of 3
7e7715 Compressor Gp-Refrigerant
7E***15Compressor Group-Refrigerant; Compressor Gp-Refrigerant1
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7e7714 Condenser Gp
11***15Core As-Condenser1
7E***14Condenser Group; Condenser Gp1
8T***00Bolt (M8x1.25x16mm); (M8x1.25x16-mm)6
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9r7591 Console Gp-Rear
9R***91Console Group-Rear; Console Gp-Rear1
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9r7454 Console Gp-Instrument
9R***54Console Group-Side; Console Gp-Instrument1
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9r8605 Control Gp-Excavator
9r7600 Control Gp-Hydraulic-Hand
9R***00Control Group-Hydraulic Hand; Control Gp-Hydraulic Hand1
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9r7600 Control Gp-Hydraulic
9R***00Control Group-Hydraulic Hand; Control Gp-Hydraulic Hand1
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9r7599 Control Gp-Hydraulic-Hand
9r7660 Control Gp-Bucket-Multi-Purpose
9R***60Control Group-Loader Bucket; -Loader1
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9r7660 Control Gp-Bucket
9R***60Control Group-Loader Bucket; -Loader1
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1115157 Control Gp-Swing
1115156 Control Gp-Swing
9r7662 Control Gp-Swing
9r8713 Control Gp-Valve-Extended Stick
9r7652 Control Gp-Valve
9r8681 Control Gp-Valve
9r7653 Control Gp-Valve
9r7663 Control Gp-Valve
9r8022 Conversion Gp-Non Rops
3E***75Plug Assem.1
3E***77Receptacle Assem.1
8T***37Plug-Seal; (40 Pin Connector)12
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9r9761 Cover Gp
9r5542 Door Gp-Lh
1314862 Door Gp-Lh
9r5543 Door Gp-Rh
1314861 Door Gp-Rh
9r9305 Floormat Gp
9r8120 Floorplate Gp
9R***20Floorplate Group; Floorplate Gp1
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1010111 Headliner Gp-Cab
10***11Headliner Group-Cab; Headliner Gp-Cab1
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9r7475 Instrument Gp
9R***75Instrument Group; Instrument Gp1
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1100563 Kit-Seat Control
1100565 Kit-Seat Control
1017578 Kit-Suspension
9r9744 Lines Gp-Air Conditioner
9R***44Lines Group-Air Conditioner; Lines Gp-Air Conditioner1
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9r7765 Lines Gp-Heater
9R***65Lines Group-Heater; Lines Gp-Heater1
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9r7661 Lock Gp-Hydraulic-Hand Control (Cosa)
9R***61Lock Group-Hydraulic Hand Control; Lock Gp-Hydraulic Hand Control1
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9r9758 Mirror Gp-Rear View
5P***15Washer-Mount 9w***75 Fuel Level Sensor1
6V***57Bolt (M6x1.0x25mm); (M6x1.0x25-mm)1
9R***58Mirror Group-Rear View; Mirror Gp-Rear View1
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9r5158 Mirror Gp-Rear View
9r6144 Mirror Gp-Rear View (Cosa)
9r7977 Mounting Gp-Radio
1106378 Mounting Gp-Radio
9r8449 Lock & Pedal Gp-Lh
9r8685 Platform Gp-Part 2 Of 2 (Cosa)
9r7595 Platform Gp-Part 2 Of 2
9r7595 Platform Gp-Part 1 Of 2
9r8685 Platform Gp-Part 1 Of 2 (Cosa)
9r7594 Rollover Ar
9R***94Rops Ar1
9R***95Platform Group; Platform Gp1
9R***96Rops Group1
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9r7596 Rollover Gp-Protection
1061747 Seat Belt Gp
8y6812 Seat Belt Gp
10***47Seat Belt Group; Seat Belt Gp1
8Y***12Seat Belt Group; -Retractable1
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9r9987 Seat Gp-Suspension
9r2652 Seat Gp-Suspension
9r9985 Seat Gp-Suspension
9r9986 Seat Gp-Suspension
9r2653 Seat Gp-Suspension
9r9539 Washer Gp-Windshield (Cosa)
9R***39Washer Group-Windshield; Washer Gp-Windshield1
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3e7566 Wiper Gp-Windshield-Rear
9r8535 Wiper Gp-Rear Lower
3e7394 Wiper Gp-Windshield-Rear
9r9556 Wiper Gp-Windshield-Part 1 Of 2
9R***56Wiper Group-Windshield; Wiper Gp-Windshield1
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9r9556 Wiper Gp-Windshield-Part 2 Of 2
9R***56Wiper Group-Windshield; Wiper Gp-Windshield1
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9r8020 Wiring Gp-Air Conditioner
9R***20Wiring Group-Air Conditioner; Wiring Gp-Air Conditioner1
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9r7764 Wiring Gp-Wiper
9R***64Wiring Group-Wiper; Wiring Gp-Wiper1
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3e7704 Compressor Gp-Clutch & Refrigerant
3E***04Compressor Group-Clutch & Refrig1
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9r1074 Console Gp-Front Cab
9R***74Console Group-Front; Console Gp-Front Cab1
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9r0013 Console Gp-Front-Rops
9r0031 Control Gp-Steering & Shuttle
9r0979 Control Gp-Transmission
9r2461 Cushion Gp-Arm
9r5651 Door Gp-Cab-Lh-Part 2 Of 2
9r5650 Door Gp-Cab-Rh-Part 2 Of 2
9r5650 Door Gp-Cab-Rh-Part 1 Of 2
9r5651 Door Gp-Cab-Lh-Part 1 Of 2
5d2855 Fan As-Defroster
9r2571 Fan Gp-Circulating
6t7884 Heater Gp-Part 1 Of 2
6t7884 Heater Gp-Part 2 Of 2
9r1044 Heater Gp-Cab
6v6561 Pivot Gp-Wiper Arm
6V***61Pivot Group-Wiper Arm; (Wiper Arm)1
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9r0024 Seat Gp-Reversible
1088251 Visor Gp-Cab
Power Train
9r8004 Axle As-Rear-Part 2 Of 2
9r8004 Axle As-Rear-Part 1 Of 2
1185834 Axle As-Rear-Part 1 Of 2
9r8006 Axle As-Rear-Part 1 Of 2
9r8006 Axle As-Rear-Part 2 Of 2
1185834 Axle As-Rear-Part 2 Of 2
9r7640 Axle Gp-Drive
9r7540 Axle Gp-Drive (Cosa)
9r7540 Axle Gp-Drive
9r8637 Drive Ar-Awd
3E***34Film-Turbo Plus2
8E***81Transmission Group-Direct Drive; Transmission Gp-Direct Drive1
9R***31Shaft Group-Drive1
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9r9309 Drive Ar-Awd (Cosa)
3E***34Film-Turbo Plus2
8E***81Transmission Group-Direct Drive; Transmission Gp-Direct Drive1
9R***20Wheel & Tire Group-Rear; -Rear1
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9r7643 Lines Gp-Power Train Cooler
9R***43Lines Group-Power Train Cooler; Lines Gp-Power Train Cooler1
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6y4341 Pump Gp-Crescent
9r7759 Drive Shaft Gp
9R***59Shaft Group-Drive; Shaft Gp-Drive1
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9r1231 Drive Shaft Gp
02***87Fitting-Grease; (Universal Joint)1
05***13Spider & Bearing Group2
10***26Bolt; (M24x19.1-mm)8
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6i8196 Transmission Ar
6I***96Transmission Ar1
8E***35Torque Converter As1
9U***95Transmission Group1
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9u9495 Transmission Gp-Part 3 Of 3
9u9495 Transmission Gp-Part 2 Of 3
9u9495 Transmission Gp-Part 1 Of 3
8e7681 Transmission Gp-Direct Drive-Part 4 Of 4
8E***81Transmission Group-Direct Drive; Transmission Gp-Direct Drive1
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8e7681 Transmission Gp-Direct Drive-Part 3 Of 4
8E***81Transmission Group-Direct Drive; Transmission Gp-Direct Drive1
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8e7681 Transmission Gp-Direct Drive-Part 1 Of 4
8E***81Transmission Group-Direct Drive; Transmission Gp-Direct Drive1
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8e7681 Transmission Gp-Direct Drive-Part 2 Of 4
8E***81Transmission Group-Direct Drive; Transmission Gp-Direct Drive1
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9u9496 Valve Gp-Control
1096402 Valve Gp-Control
10***02Valve Group-Transmission Control1
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1096401 Valve Gp-Control
10***01Valve Group-Transmission Control1
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Wheel & Tire Gp-Lh & Rh Rear
9R***67Wheel & Tire Group-Rear; -Rear, Rh1
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9r5498 Wheel & Tire Gp-Rear-Lh
9r0976 Wheel & Tire Gp-Rear-Lh
9R***76Wheel & Tire Group-Rear; -Rear, Lh1
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9r3999 Wheel & Tire Gp-Rear-Lh
9R***99Wheel & Tire Group-Rear; -Rear, Lh1
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9r1295 Wheel & Tire Gp-Rear
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***95Wheel & Tire Group-Rear1
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9r3873 Wheel & Tire Gp-Rear
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***73Wheel & Tire Group-Rear; -Rear1
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9r0720 Wheel & Tire Gp-Rear-Cosa
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***20Wheel & Tire Group-Rear; -Rear1
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9r5497 Wheel & Tire Gp-Rear
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***97Wheel & Tire Group-Rear; -All Wheel Drive1
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9r0169 Control Gp-Differential Lock
9R***69Control Group-Differential Lock1
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9w1355 Drive Gp-Flexible Coupling
9r1040 Filler Gp-Power Train Oil
9r1233 Guard Gp-Drive Shaft
9R***33Guard Group-Drive Shaft; -All Wheel Drive-All Wheel Steer1
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9w8111 Mounting Gp-Transmission
6y3864 Pump-Gp-Hydraulic
6Y***64Pump Group-Hydraulic; (Hydraulic)1
6Y***41Pump Group-Crescent1
9P***33Pump Group-Gerotor (Concentric Gerotor)1
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9r0245 Wheel & Tire Gp-Rear
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***45Tire & Wheel Group-Rear; -Rear1
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8e0735 Torque Converter As
Wheel & Tire Gp-Lh & Rh-Rear
9r2617 Wheel & Tire Gp-Rear
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***17Wheel & Tire Group-Rear; -Rear1
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9r1200 Tire & Wheel Gp-Rear
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***00Wheel & Tire Group-Rear; -Rear1
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Service Equipment And Supplies
3e5014 Paint & Lubricant Gp (Spanish)
10***47Plate-Warning1
3E***22Film-Warning; (Ether Starting, Read Omm)1
3E***82Plate-Warning-Rops/Fops1
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3e5015 Paint & Lubricant Gp (Portuguese)
10***48Plate-Warning1
3E***24Film-Warning; (Ether Starting, Read Omm)1
3E***83Plate-Warning-Rops/Fops1
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3e8159 Paint & Lubricant Gp (Swedish)
10***19Film-Notice; (Engine Starting)1
10***70Plate-Warning1
3E***80Film-Instruction; (Hydraulic Warm-Up)1
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3e5013 Paint & Lubricant Gp (French)
10***46Plate-Warning1
3E***21Film-Warning; (Ether Starting, Read Omm)1
3E***81Plate-Warning-Rops/Fops1
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1100026 Paint & Lubricant Gp (German)
11***26Paint & Lubricant Group1
12***24Film-Warning; (Roading, Read Omm)1
3E***25Film-Warning; (Ether Starting, Read Omm)1
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3e5016 Paint & Lubricant Gp (German)
10***05Plate-Warning1
3E***25Film-Warning; (Ether Starting, Read Omm)1
3E***84Plate-Warning-Rops/Fops1
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9x2716 Paint & Lubricant Gp-Part 2 Of 2
10***33Film-Identification; (Hydraulic Oil)1
3E***75Film-Instruction; Film-Instruction (For Use With Aws)1
8T***41Film-Identification; (Hydraulic Oil Level)1
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3e5021 Paint & Lubricant Gp (Arabic)
10***53Plate-Warning1
3E***30Film-Warning; (Ether Starting, Read Omm)1
3E***89Plate-Warning-Rops/Fops1
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1100029 Paint & Lubricant Gp (Greek)
11***29Paint & Lubricant Group1
12***17Film-Warning; (Roading, Read Omm)1
3E***53Film-Warning; (Crush Hazard, Stay Back)1
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1100030 Paint & Lubricant Gp (Dutch)
11***30Paint & Lubricant Group1
12***18Film-Warning1
3E***54Film-Warning; (Crush Hazard, Stay Back)1
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9x2716 Paint & Lubricant Gp-Part 1 Of 2
1P***07Film-Symbol; 2 On Bottom Of Upper Frame Below Engine. 2 On Front Of Upper Frame Above Boom Articulation4
2H***57Tag-Antifreeze1
3E***58Film-Notice; (Starting Procedure)1
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1100031 Paint & Lubricant Gp (Arabic)
11***31Paint & Lubricant Group1
12***19Film-Warning; (Roading, Read Omm)1
3E***30Film-Warning; (Ether Starting, Read Omm)1
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1100023 Paint & Lubricant Gp (French)
11***23Paint & Lubricant Group1
12***21Film-Warning; (Roading, Read Omm)1
3E***21Film-Warning; (Ether Starting, Read Omm)1
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1100027 Paint & Lubricant Gp (Italian)
11***27Paint & Lubricant Group1
12***20Film-Warning; (Roading, Read Omm)1
3E***26Film; (Ether Starting, Read Omm)1
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3e5018 Paint & Lubricant Gp (Danish)
10***50Plate-Warning1
3E***52Film-Warning; (Crush Hazard, Stay Back)1
3E***01Film-Instruction; (Parking Brake)1
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1100028 Paint & Lubricant Gp (Danish)
11***28Paint & Lubricant Group1
12***16Film-Warning1
3E***52Film-Warning; (Crush Hazard, Stay Back)1
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1100032 Paint & Lubricant Gp (Swedish)
10***19Film-Notice; (Engine Starting)1
11***32Paint & Lubricant Group1
12***25Film-Warning; (Roading, Read Omm)1
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3e5020 Paint & Lubricant Gp (Dutch)
10***52Plate-Warning1
3E***54Film-Warning; (Crush Hazard, Stay Back)1
3E***03Film-Instruction; (Parking Brake)1
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3e5017 Paint & Lubricant Gp (Italian)
10***49Plate-Warning1
3E***26Film; (Ether Starting, Read Omm)1
3E***85Plate-Warning-Rops/Fops1
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1100024 Paint & Lubricant Gp (Spanish)
11***24Paint & Lubricant Group1
12***22Film-Warning; (Roading, Read Omm)1
3E***22Film-Warning; (Ether Starting, Read Omm)1
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3e5019 Paint & Lubricant Gp (Greek)
10***51Plate-Warning1
3E***53Film-Warning; (Crush Hazard, Stay Back)1
3E***02Film-Instruction; (Parking Brake)1
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1293530 Plate Gp-Certification
12***30Plate Group-Certification1
7X***72Plate Group (Exterior Sound)1
7X***94Plate Group-Sound Suppression1
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Steering System
9r8556 Axle As-Awd-Part 1 Of 3
9R***56Axle As-Drive & Steering; -Front1
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9r8557 Axle As-Awd-Part 3 Of 3
9R***57Axle As-Drive & Steering; -Front1
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9r8557 Axle As-Awd-Part 1 Of 3
9R***57Axle As-Drive & Steering; -Front1
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9r8556 Axle As-Awd-Part 2 Of 3
9R***56Axle As-Drive & Steering; -Front1
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9r8557 Axle As-Awd-Part 2 Of 3
9R***57Axle As-Drive & Steering; -Front1
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9r8556 Axle As-Awd-Part 3 Of 3
9R***56Axle As-Drive & Steering; -Front1
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9r8036 Axle Gp-Drive & Steer (Cosa)
9R***36Axle Group-Drive & Steering; -Front1
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9r8033 Axle Gp-Drive & Steer
9R***33Axle Group-Drive & Steering; -Front1
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9r7609 Lines Gp-Steering
9R***09Lines Group-Steering; Lines Gp-Steering1
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9r8503 Lines Gp-Steering
9R***03Lines Group-Steering; Lines Gp-Steering1
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1003259 Pump Gp-Power Steering
10***59Pump Group-Piston; Pump Gp-Piston1
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1035519 Valve Gp-Power Compensator
10***19Valve Group-Power Compensator; -Power Compensator1
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9r9491 Axle Gp-Front
6e5190 Cylinder Gp-Steer (Chg 01)
4t6896 Pump Gp-Metering
9r8042 Steering Gp-Hydraulic
9r1287 Wheel & Tire Gp-Front
9R***87Wheel & Tire Group-Front; -Front1
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9r2864 Wheel & Tire Gp-Front-2 Required
9R***64Wheel & Tire Group-Front; -Front1
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9r2684 Wheel & Tire Gp-Front
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***84Wheel & Tire Group-Front1
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9r2824 Wheel & Tire Gp-Front-2 Required
9R***24Wheel & Tire Group-Front; -Front1
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9r6191 Wheel & Tire Gp-Front-Lh
9R***91Wheel & Tire Group-Front; -Front, Lh1
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9r6480 Wheel & Tire Gp-Front-Rh
9R***80Wheel & Tire Group-Front; -Front, Rh1
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9r6479 Wheel & Tire Gp-Front-Lh
9R***79Wheel & Tire Group-Front; -Front, Lh1
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9r6190 Wheel & Tire Gp-Front
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***90Wheel & Tire Group-Front; -Front1
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9r0027 Wheel & Tire Gp-Front
9R***27Wheel & Tire Group-Front; -Front1
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9r6478 Wheel & Tire Gp-Front
9r1306 Wheel & Tire Gp-Front-Lh
9R***06Wheel & Tire Group-Front; -Front, Lh1
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9r0603 Wheel & Tire Ar
9R***22Wheel & Tire Group-Front; -Front1
9R***03Wheel & Tire Ar1
9R***17Wheel & Tire Group-Rear; -Rear1
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9r2822 Wheel & Tire Gp-Front-2 Required
9r0222 Wheel & Tire Gp-Front
5P***48Washer--Bracket To L.H. Support Rail16
6B***82Nut Cylinder Block To Head Assembly16
9R***22Wheel & Tire Group-Front; -Front1
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9r5243 Wheel & Tire Gp-Front
9R***43Wheel & Tire Group-Front; -Front1
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9r2730 Wheel & Tire Gp-Front-Lh
9R***30Wheel & Tire Group-Front-Lh; -Front, Lh1
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9r8005 Wiring Gp-Front Drive
9R***05Wiring Group-Front; Wiring Gp-Front (Drive)1
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426B serial number reference

The PIN/serial plate on a 426B is riveted to the machine frame, typically on the right side near the cab or under the hood on the frame rail. Read the plate as a 3-character letter/number prefix followed by a sequential unit number; the prefix identifies the production run and tells you which parts and service manual set applies to that machine.

PrefixIdentifies
5YJ426B backhoe loader, early production run
6KL426B backhoe loader, later production run

Frequently asked questions

What engine does the Caterpillar 426B use?

All Caterpillar 426B backhoe loaders (1992-1996, serial prefixes 5YJ and 6KL) use the Cat 3054 turbocharged 4-cylinder diesel, about 4.0 L displacement, rated near 44 kW (59 hp) net at 2200 rpm. There was no mid-run engine change across the B-series production run.

What is the operating weight of the Caterpillar 426B?

Operating weight runs roughly 6.7-7.1 t (14,770-15,550 lb) depending on configuration. 2WD versus 4WD, canopy versus enclosed cab, and standard versus Extendahoe telescoping dipper stick all shift the figure within that range.

What replaced the Caterpillar 426B?

Caterpillar replaced the 426B with the 426C starting in 1996. The 426C kept the same 3054 turbo-diesel platform but raised rated output to roughly 60 kW (80 hp) gross and updated the hydraulics and cab.

What 426B owners discuss

What's worth knowing about the 426B's engine and fuel system before troubleshooting it?
The 426B runs one engine across its whole production run: the turbocharged, direct-injection Cat 3054, a 4.0 L four-cylinder. Owners point out this is a Perkins design under the Cat badge - it corresponds to the Perkins 1004.4T, so Perkins engine literature and cross-reference parts often apply as well as Cat's own. For an engine that's hard to start on the first crank of the day but runs fine once lit, a repeated troubleshooting tip among owners is to check the wiring to the fuel shutoff solenoid on the injection pump before chasing injectors or glow plugs - corrosion at that connector, or a solenoid that's slow to pull in, is a documented cause on this model. Confirm fuel lift-pump pressure comes up promptly on cranking if the solenoid checks out clean.
Why would the backhoe move slow on one function while everything else feels normal, or the opposite?
That pattern points to the control valve's resolver, not the pump. Test it by running a backhoe function, then raising the loader at the same time - if the backhoe suddenly speeds up, the resolver isn't isolating flow properly (worn seat, missing or cut seal ring, or debris holding a ball off its seat). If every function on the machine, loader and backhoe alike, is slow and weak together, suspect the pump instead; pull the return filter and check for metal before condemning anything else.
The loader curls fine but loses lift power once the machine warms up - is that a known issue?
Yes, it's a recurring complaint on this model. Loader lift needs close to full system pressure to break a load off the ground, while curl and tilt work at proportionally lower pressure, which is why one function fades with heat and the other doesn't. The usual cause is the loader-lift section of the control valve - a spool not fully stroking and destroking, or worn seal rings letting oil bypass internally - rather than the pump itself. Some owners have resolved it outright by swapping that valve section rather than rebuilding the whole valve bank.
Boom, stick, or stabilizers settle down on their own after the machine sits loaded - what's causing it?
Internal bypass, not an external leak. Warm the hydraulics, load the bucket, extend and lift as far as the machine allows, shut off the engine, and listen at the cylinder with your ear close - a hiss means oil is bypassing the piston seals internally. Stabilizer cylinders add a pilot-operated check valve ahead of the cylinder, so a creeping stabilizer can mean both the check valve and the cylinder's own seals need attention, not just one. A reseal of the affected cylinder (piston and rod seals, wear bands) is the standard fix; a stabilizer cylinder can often be pulled in place by blocking the boom to one side rather than dropping the whole backhoe. Because drift in a loaded boom or stabilizer affects load holding, have your dealer verify the repair before the machine goes back to full duty.
It'll only drive in reverse, or only forward - does that always mean a transmission rebuild?
It's one of the most repeated complaints in 426B forum threads, and the fix is usually narrower than a full rebuild. This is a power-shuttle transmission: forward and reverse are hydraulically applied wet-clutch packs ahead of a manually shifted gearbox, not separate mechanical gear trains. A one-direction-only fault traces to worn or torn clutch discs, a damaged piston seal, or worn bearings within that one clutch pack, or to internal leakage starving it of apply pressure. Owners who resealed the piston without checking disc condition have had the fault return, so inspect the whole pack rather than just the seals. Rule out low system pressure and worn linkage or selector forks first. Have your dealer verify clutch and pressure specs against the service manual for your serial range before committing to a rebuild.
The machine won't move in either direction, but the transmission tests fine off the machine - what am I missing?
Check the electrical side before the transmission. The forward/reverse lever on the column is an electronic switch, not a mechanical linkage, and a neutral-start safety switch sits in the wiring harness near the floor below that lever on these machines. A pinched, chafed, or corroded harness at that point can kill drive engagement completely and looks exactly like a dead transmission. Trace the lever switch and the hidden neutral safety switch, and check harness routing near the floor and column for wear, before condemning transmission components. This switch is a safety interlock against unintended movement at startup - have your dealer verify it functions correctly after any repair.
What should I check before buying a used 426B?
Run every hydraulic function cold, then again once the oil is fully warm - loader lift power that fades when hot is a known trait on this model and won't show up on a quick cold test. Run the backhoe and loader together and watch for one circuit stealing speed from the other, a sign of a tired resolver. Load the bucket, extend the boom and stick, shut off, and listen at the cylinders for a hiss indicating internal drift, including the stabilizers. Confirm the machine drives cleanly in both forward and reverse under load, not just around the yard - directional clutch wear and hidden wiring faults both show up as one-way-only drive. Check the transmission strainer or dipstick for metal or plastic debris if accessible. Note the serial prefix, since parts and manual coverage split partway through the production run. Have your dealer verify hydraulic pump and relief pressures and transmission clutch condition before finalizing a purchase on any machine showing these symptoms.

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

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