Caterpillarforest productswheel feller buncher

Caterpillar TK380

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar TK380 is a wheel-mounted feller buncher in Cat's forest products line, built to move on rubber tires between cuts rather than on tracks. It runs the Cat 3126 engine, a mid-size electronically controlled diesel using HEUI (hydraulic electronic unit injection) fuel delivery. The TK380 sits alongside three close siblings from the same generation of wheeled buncher — the TK370, TK371 and TK381 — each built on a shared chassis and parts base but carrying its own factory serial prefix (TK370 = WBD, TK371 = WBG, TK380 = WBE, TK381 = WBH). No public factory figure for operating weight or dimensions has survived for the TK380; actual weight depends heavily on which felling head is mounted. The machine was set up to run interchangeable felling-head attachments — disc-saw and shear-style heads in the pattern used on Cat's 533/543 wheel feller buncher line — carried on a common pin-and-bolt mount at the end of the felling boom.

Across the TK370/371/380/381 group, the differences documented are mainly in build lineage and serial prefix rather than a confirmed engine or chassis redesign — all four draw from the same 3126-era parts base, and individual components cross into Cat's W330B/W345B wheeled harvesters and TK7-series machines of the same period, reflecting one shared electrical and hydraulic parts catalog across Cat's wheeled forestry equipment of that generation. Cat's wheel feller buncher line continued on past this generation with later engine tiers, but no single model is documented as the TK380's direct, official replacement. In the used and parts market today, the TK380 mostly circulates as a source of running gear and drivetrain parts — 3126 HEUI engine components, felling head hydraulics, axles and wheel ends shared with its siblings — since surviving complete machines are scarce and factory documentation on this line is thin.

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 TK380 specifications

Engine

Engine modelCat 3126 turbocharged diesel, shared engine family with the TK370, TK371 and TK381 wheel feller bunchers
ConfigurationInline-6, turbocharged, direct injection
Displacement7.2 L (440 cu in)
Gross/net powerNot published for this specific model configuration - varies widely by machine application on the 3126 family (roughly 170 to 330 hp depending on rating); verify actual rating from the engine data plate or dealer
Emissions tierNot documented for this model

Weights

Operating weightNot published in available spec sources for this model
Shipping weightNot published in available spec sources for this model
Ground pressureNot published (wheeled machine on tires, not tracks)

Dimensions

Transport lengthNot published in available spec sources for this model
Transport widthNot published in available spec sources for this model
Transport heightNot published in available spec sources for this model
Wheelbase / track gaugeNot published in available spec sources for this model
Ground clearanceNot published in available spec sources for this model

Performance

Travel speedNot published in available spec sources for this model
Felling head performanceNot published in available spec sources for this model
GradeabilityNot published in available spec sources for this model

Service capacities (summary)

Fuel tankNot published in available spec sources for this model
Hydraulic systemNot published in available spec sources for this model
Engine oilNot published in available spec sources for this model
Cooling systemNot published in available spec sources for this model

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

TK380 fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter) — Cat 3126 (shared engine family with TK370/TK371 wheel feller bunchers)Not published for this machine's specific pan/filter configuration in any available OMM excerpt or dealer reference; verify against the TK380 OMM Lubricant Viscosities and Refill Capacities table or dealer before servicingCat DEO (Diesel Engine Oil), multigrade selected by ambient temperature per Cat's viscosity chart; later production may call for Cat DEO-ULS where low-emission aftertreatment is fitted
Cooling systemNot documented in public sources for this modelCat ELC (Extended Life Coolant) premixed 50/50, or Cat DEAC (Diesel Engine Antifreeze/Coolant) on older service fill; do not mix ELC and DEAC
Fuel tankNot documented in public sources for this modelUltra low sulfur diesel per engine fuel spec; no named Cat brand fluid applies
Hydraulic system and tankNot documented in public sources for this modelCat HYDO Advanced (or equivalent Cat hydraulic oil), viscosity grade selected by ambient temperature per the OMM chart; forestry machines of this era commonly spec a multigrade hydraulic oil to cover a wide cold/hot range
Powertrain / drive system (hydrostatic or powershift, per OMM split)Not documented in public sources for this modelCat TDTO (Transmission and Drive Train Oil) multigrade; on hydrostatic-drive configurations the drive circuit may share the hydraulic system fluid rather than a separate compartment — confirm the split against the OMM
Final drives (each)Not documented in public sources for this modelCat TDTO or Cat GO (Gear Oil), per the OMM's final-drive-specific viscosity recommendation
Axles / differentials (if separate from final drives on this configuration)Not documented in public sources for this modelCat TDTO or Cat FDAO (Final Drive and Axle Oil), viscosity by climate per the OMM chart
Grease (chassis, pivots, felling-head linkage)Spec only — no volume appliesCat multipurpose grease NLGI 2 for general chassis points; Cat Ultra 5 Moly (or equivalent extreme-pressure moly grease) for high-load felling-head and boom pivot points typical on forestry equipment

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

Caterpillar TK380 maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level and top off before starting the day
  • Check coolant level and clear the radiator and engine screens of chaff, mud and bark debris
  • Grease felling head pivot points, mandrel and accumulator arm — forestry duty needs this more often than typical excavator or loader greasing
  • Drain water and sediment from the fuel-water separator
  • Walk around and check tires, wheel lug torque and hydraulic hoses and fittings for leaks
  • Check saw disc or shear blade condition and mounting hardware for looseness or damage
Every 250 h
  • Change engine oil and filter on the 3126 HEUI engine
  • Replace the fuel filter(s)
  • Check hydraulic tank oil level and inspect return filters
  • Check axle and differential oil level
  • Inspect the felling head hydraulic motor and grease all attachment pivot points
  • Check the air filter restriction indicator and service as needed
Every 500 h
  • Change hydraulic system filters
  • Pull oil samples from engine, hydraulic system and axles for analysis
  • Change axle and differential oil
  • Inspect the saw motor or shear cylinder for leaks, scoring and wear
  • Check engine belts, hoses and cooling system connections for cracking or softening
  • Torque wheel rim bolts and check tire pressure
Every 1,000 h
  • Change hydraulic system oil if not running an extended-life fluid
  • Change transmission/torque converter oil and filter
  • Inspect the turbocharger and HEUI high-pressure oil pump for wear signs
  • Inspect felling head mandrel, bearings and accumulator arm bushings for wear
  • Check structural welds on the boom and frame for cracking from felling shock loads
Every 2,000 h
  • Change engine coolant or sample extended-life coolant and treat as needed
  • Change axle and final-drive oil on the long-interval schedule
  • Inspect hydraulic pump and motor seals and replace if leaking or seeping
  • Inspect wheel bearings and repack or replace as needed
  • Re-torque felling head mounting hardware and inspect boom pins and bushings
Every 4,000 h
  • Evaluate the engine top end, injectors and HEUI high-pressure oil pump for rebuild based on oil-analysis trend data
  • Rebuild or replace axle differential and final-drive components showing wear
  • Inspect and rebuild felling head saw or shear drive components as needed
  • Replace hydraulic pump and motor if efficiency has dropped per trend data
Every 6,000 h
  • Perform a full engine overhaul or exchange on major 3126 HEUI components based on condition
  • Rebuild axles, wheel ends and drivetrain components as required
  • Inspect and rebuild the felling head structure, mandrel and boom pivots
  • Replace hydraulic hoses across the machine as a preventive measure

Servicing the TK380 beyond the schedule

Predictive Maintenance & Fluid Analysis

On the TK380, oil analysis matters most for the 3126 HEUI engine and the felling head's hydraulic circuit. Sample engine oil each interval to catch HEUI injector and high-pressure oil pump wear early. Test hydraulic oil more often than on a loader — disc-saw and shear heads cycle hard and pull bark, sap and grit into the system. Axle and differential samples flag wheel-end wear before it reaches the diffs. Trend results across intervals instead of judging one sample alone.

Corrective & Common Repairs

Common TK380 repairs center on the 3126 HEUI fuel system — injector and high-pressure oil pump faults show up as hard starting or power loss. Felling head wear points fail from constant shock loading: accumulator arm bushings, mandrel seals and grease fittings need frequent replacement. Saw disc or shear blade edges dull and chip on rocky ground and need re-sharpening or replacement. Wheel-end and tire damage from stumps and slash is routine on a wheeled chassis, along with hydraulic hose failures at the boom's pivot points.

Overhaul & Rebuild Points

At high hours, the 3126 HEUI top end (heads, injectors, high-pressure oil pump) is the main overhaul target on the TK380 — base engine work is straightforward but HEUI components need careful diagnosis. Axle and final drive housings take heavy shock load from tree impact and often need rebuild before the engine does. Felling head mandrels, bearings and boom pivot pins wear from constant cutting cycles and need periodic rebuild. Hydraulic pump and motor reseal work follows oil analysis trends rather than a fixed hour number.

Seasonal & Environment Servicing

Winter work on a TK380 means block-heater or cold-start aid use for the 3126 HEUI engine and more frequent greasing of felling head pivots as mud and snow wash lubricant out faster. Radiator and engine screens clog quickly with chaff, needle debris and bark in heavy cutting — clear them daily in dusty or dry seasons. Summer duty pushes fuel-water separator draining and air filter checks up in frequency. Wheeled undercarriage components need extra attention to tire and wheel-end debris packing in wet, muddy ground conditions.

TK380 common service parts

Part numberPart
112-6523Insert-Fuel FilterCheck fitment →
220-8678Seal-RingCheck fitment →
326-1642Filter As-Water Sep & FuelCheck fitment →
1R-0751Filter-FuelCheck fitment →
1R-0753Filter-FuelCheck fitment →

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

TK380 fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
CID 100 - FMI 03Engine oil pressure sensor signal voltage above normal range.Open or shorted sensor wiring, corroded connector, or a failed oil pressure sensor.Check sensor wiring and connector for damage and test sensor supply voltage before replacing the sensor.
CID 100 - FMI 01Engine oil pressure low for current engine speed.Low oil level, worn oil pump, plugged filter, or oil dilution.Shut down the engine, check oil level and condition, and inspect for leaks before restart.
CID 110 - FMI 00Engine coolant temperature above normal operating range.Low coolant level, blocked radiator core, failed thermostat, or a weak water pump.Check coolant level and condition, inspect the radiator and fan drive, and verify thermostat operation.
CID 111 - FMI 01Engine coolant level below the sensor's low-level threshold.Coolant loss from a leak, a miscalibrated low-level sensor, or trapped air in the cooling system.Top off coolant to the correct level, inspect hoses and radiator for leaks, and bleed the system after refilling.
CID 164 - FMI 01Injection actuation pressure (HEUI hydraulic oil rail pressure) below the expected value.Low or aerated engine oil, a worn injection actuation pressure pump, a faulty pressure sensor, or a leaking actuation oil circuit.Check engine oil level and condition first, then compare injection actuation pressure sensor readings against a known-good value.
CID 91 - FMI 02Throttle position sensor signal erratic or out of expected range.A misadjusted or worn throttle sensor, damaged linkage, or a loose sensor connector.Inspect throttle linkage and the sensor connector, then recalibrate or replace the throttle position sensor.
CID 168 - FMI 04Electrical system (battery) voltage below normal.A weak or failing battery, loose or corroded cable connections, or a failing alternator.Load-test the battery, clean and tighten all connections, and check charging output at the alternator.
CID 190 - FMI 08Engine speed/timing sensor signal abnormal or lost.A damaged speed/timing sensor, excessive air gap, or a wiring fault between the sensor and the ECM.Check sensor air gap and wiring continuity, and replace the sensor if the signal remains abnormal.

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

TK380 attachments & work tools

Disc saw felling heads

This wheel feller buncher class runs a choice of high-speed disc saw heads with a continuously spinning tooth disc, roughly 24 in (610 mm) single-cut capacity on the sibling 533/543 line that shares this machine's parts lineage. Dual- or single-post tower options trade operator visibility for tree control, and heads carry independent wide-spaced accumulator arm cylinders to bunch multiple stems before dumping.

Shear felling head

A lower-cost guillotine-style shear head is offered alongside the disc saw for pulpwood-style felling, with a smaller single-cut capacity (around 20 in / 508 mm on the same-class 533/543 reference) and a slim profile for maneuvering in tight rows. Shear/grab arm open-close cycle is quick, favoring high-volume small-stem work over large single stems.

Head mounting arrangement

Felling heads are not quick-coupler tools like excavator attachments; each head bolts and pins directly to the machine's lift arm and tilt link assembly, matched to that head's own cylinder and hose set. Swapping head types on this class of machine is a shop-level changeover, not a field quick-attach swap.

Saw/shear hydraulic circuit

Cutting and gathering functions run off a dedicated variable-displacement pump and motor separate from the propel and steering circuits, so saw or shear recovery does not rob drivetrain power. Flow and pressure sizing varies by which head is fitted and by generation of the machine; treat any single flow figure as generation/configuration-specific rather than universal for this model.

Guarding and factory safety configuration

Standard build for this machine class includes an OPS/FOPS/ROPS-certified cab, mesh screen guarding over side windows, hinged belly and cylinder guards, halogen work lights, back-up alarm, and a pressurized cab wash-water tank. A visible stay-back distance decal on the hood is typical factory signage for bystander safety around the working head.

Axle and tire configuration tied to head weight

A standard-duty axle is offered for lighter shear-head setups, with a heavy-duty axle option (supporting larger flotation or dual tires) specified when the machine is ordered for the heavier disc saw head or rougher ground conditions. Tire size and axle choice are made at time of order and affect overall width and ground clearance.

All TK380 assemblies by section

Every catalogued assembly group for the Caterpillar TK380. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
195-3724 Aftercooler Gp-Treated Water
03***83Nipple-Front Axle Suction Port1
10***46Hose1
15***24Hex Head Plug; (-4sae) (D6r Iii)1
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195-3728 Air Cleaner Gp
13***28Cover As1
13***29Valve-Dust; (Air Cleaner)1
13***94Latch3
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194-4477 Air Cleaner Gp
10***81Hose1
11***60Strap1
11***02Block1
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8n-2694 Indicator Gp-Air Filter Change
8N***94Indicator-Air Filter Change; (Air Cleaner)1
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249-5296 Lines Gp-Air
22***52Clamp-Tbolt2
24***96Lines Group-Air1
7C***14Hose1
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133-5048 Lines Gp-Air
13***48Lines Group-Air; (Air)1
7C***73Hose1
8T***03Clamp; (Hose)2
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120-9327 Manifold Gp-Exhaust
11***44Manifold-Exhaust; (Right)1
12***27Manifold Group-Exhaust1
14***48Bolt; (M10x1.5x65-mm)(M10x1.50x65mm)12
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133-8132 Manifold Gp-Inlet
11***50Gasket1
13***32Manifold Group-Inlet1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain2
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194-4476 Muffler Gp
19***76Muffler Group1
1W***31Clamp-Band; -Turbo Exhaust-Exhaust1
21***25Muffler1
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194-4483 Turbocharger Gp
19***83Turbocharger Group1
20***51Turbocharger Group1
3E***17Locknut; (M10x1.5-Thd)(Spiralock)4
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200-5351 Turbocharger Gp
12***54Seal-O-Ring1
12***99Plate-Clamp; (Compressor)(Compressor)3
12***66Bolt Assem.6
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Basic Engine
100-4966 Camshaft Gp
10***66Camshaft Group1
10***98Camshaft Assem.1
10***94Plate-Thrust1
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4w-3462 Carrier Gp-Seal
23***83Gasket1
24***76Seal1
2W***46Cover1
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194-4474 Cover Gp-Cylinder Block
11***18Bolt As; (M8x1.25x16-mm)3
17***67Spacer; (8.8x16x10-mm Thk)(Marked X)12
19***74Cover Group-Cylinder Block1
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7l-0004 Cover Gp-Front Housing
10***20Cover As-Front1
13***19Seal-Integral; (Integral)1
1U***46Sealant (For Locations A)0
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4w-2172 Cover Gp-Valve Mechanism
11***40Gasket; (Valve Cover)1
11***60Cover1
4W***72Cover Group-Valve Mechanism; Valve Mechanism Cover Group1
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113-6087 Crankshaft Gp
10***08Bearing-Main; (Standard)6
11***87Crankshaft Group1
14***62Bearing; (0.25mm Undersize)0
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129-1165 Cylinder Block Gp
03***53Seal-O-Ring; (08.92mm Id)1
12***65Cylinder Block Group1
18***09Plug As; (High Temperature)1
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263-3774 Cylinder Block Gp
26***74Cylinder Block Group1
5P***47Washer (Bracket To Valve Support)14
7E***68Cap-Crankshaft Bearing7
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305-8141 Cylinder Block Gp
21***86Bearing-Sleeve; (Camshaft)1
26***74Cylinder Block Group1
2M***71Plug-Cup; (38.35mm Avg Od)2
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190-9066 Cylinder Head As
11***61Sleeve6
16***63Insert-Valve Seat; (Inlet)6
19***66Cylinder Head As1
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140-7370 Cylinder Head Gp
12***36Bolt-Hex Head; (M20x2.5x160mm)14
14***70Cylinder Head Group1
14***71Cylinder Head Group1
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140-7371 Cylinder Head Gp
11***36Seal-Valve Stem12
13***19Valve-Exhaust6
14***71Cylinder Head Group1
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169-2684 Damper & Pulley Gp
16***28Pulley-Crankshaft1
16***84Damper & Pulley Group1
20***88Damper Assem.1
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205-1673 Drive Gp-Fan
14***27Pulley-Alternator1
19***31V-Belt Set1
19***32Guard As-Fan2
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7c-8365 Drive Gp-Fan
4W***03Cup-Roller Bearing2
4W***04Cone-Roller Bearing2
4W***42Spacer; (35.3x45.5x38.331-mm Thk)1
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7c-6998 Drive Gp-Water Pump
10***67Plate As-Idler1
11***04Pulley As-Idler1
11***38Pulley As-Idler1
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100-3649 Flywheel Gp
10***49Flywheel Group1
18***95Flywheel As1
5P***45Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate)8
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115-4175 Gear Gp-Front
11***69Plate-Thrust1
11***71Shaft1
11***72Bearing1
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4w-1103 Housing Gp-Flywheel
10***51Housing-Flywheel1
1U***46Sealant (For Locations A)0
2A***62Gasket; (Rear Gear Housing Drain Plug)1
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101-4539 Housing Gp-Front
10***39Housing Group-Front1
10***11Plug2
13***42Housing-Front1
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4p-9065 Lifting Gp-Engine
4P***65Lifting Group-Engine1
4W***82Plate-Lifting; (Rear)(Rear)1
4W***83Plate-Lifting; (Front)1
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194-4475 Mounting Gp-Engine & Xmsn
10***98Support Assem.1
19***75Mounting Group-Engine & Xmsn1
22***83Support As1
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164-0216 Pan Gp-Oil -Engine
16***16Pan Group-Oil; -Engine1
16***05Seal-Integral1
17***33Pan Group-Oil; -Engine1
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175-3233 Pan Gp-Oil -Engine
16***15Pan As-Oil; (Engine)1
16***88Plug As-Drain; (Magnetic)(Engine Oil Pan Drain)1
16***87Seal-O-Ring1
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147-9592 Piston & Rod Gp
13***83Crown As-Piston1
13***70Tube As; (Piston Cooling Jet)1
14***92Piston & Rod Group1
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156-0228 Plug Gp-Cylinder Block
15***28Plug Group-Engine1
3D***24O-Ring - For Oil Drain & Level Plug (Items 3 & 7)2
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
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4w-5429 Pulley Gp-Crankshaft
2W***81Plate-Clamp; (Pulley Clamp)1
4W***29Pulley Group-Crankshaft; Crankshaft Pulley Group1
7W***73Pulley-Crankshaft; (1-Groove)1
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107-7722 Rocker Arm Gp
0L***26Plug -13mm(.512 In.) Outside Dia.1
10***91Seat-Wear1
10***76Rocker Arm As; (Unit Injector)1
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115-4210 Seal Gp-Crankshaft
11***10Seal Group-Crankshaft1
22***10Seal Group-Crankshaft; (Clockwise Rotation)1
24***39Seal-Crankshaft; (Front)(Front)1
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7c-1770 Seal Gp-Flywheel Housing
1U***46Sealant (For Locations A)0
3D***24O-Ring - For Oil Drain & Level Plug (Items 3 & 7)1
3J***54Packing,Preformed Part Of Kit P/N 5r***271
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179-6023 Support Gp-Engine
17***23Support Group-Engine1
7C***75Support2
7X***10Washer-Hard; (15.5x29x3-mm Thk)8
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4p-4372 Mechanism Gp-Fuel Pump & Valve
10***22Rocker Arm Group-Valve6
14***47Arm As-Lifter4
2D***42Ball 6.35 mm(.25 In.)Diameter2
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Cooling System
100-6269 Cooler Gp-Engine Oil
10***69Cooler Group-Engine Oil1
23***55Gasket1
26***43Core As-Engine Oil Cooler1
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228-4471 Fan Ar-Reversible
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
11***91Bracket Assem.1
13***78Hose As1
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194-2702 Fan Ar-Reversible
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
11***91Bracket Assem.1
13***78Hose As1
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202-6718 Fan Gp-Reversible
00***60Bolt-12 Point Head; (1/4-20x0.875-In)4
0T***44Bolt (1.25" Long)1
1T***65Bolt 2.54 cm (1" Long)16
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194-4480 Fan Gp-Suction
14***28Pulley-Fan1
19***80Fan Group-Suction1
19***77Spider As-Fan; (6-Blade)1
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4w-6620 Lines Gp-Water
12***47Housing-Water Regulating1
12***69Regulator-Water Temperature; (94-Deg C)1
19***39Gasket-Water Regulator; (Temperature Regulator Housing)1
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159-3142 Pump Gp-Water
14***88Seal As; (Water Pump)1
15***52Impeller-Pump1
15***42Pump Group-Water1
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7c-7030 Pump Gp-Water
2M***53Seal--To Seal Brake Housing To Main Housing1
4J***24Seal 46.99 mm(1.85 In.) I.D.1
7C***38Pump Group-Water1
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7c-6438 Pump Gp-Water
15***42Pump Group-Water1
1J***71Seal (10.52 Degrees I.D.); Seal-O-Ring -- To Adapter1
3D***24O-Ring - For Oil Drain & Level Plug (Items 3 & 7)1
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194-2699 Radiator & Mounting Gp
10***36Tank As-Coolant; (Includes Coolant Level Switch)1
17***01Hose2
17***70Cap As; (Coolant Overflow)1
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195-9313 Radiator Gp
03***65Cap As-Radiator; (Sea Water Heat Exchanger)1
19***07Core As-Radiator1
19***08Core As-Hydraulic Oil Cooler1
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185-9821 Valve Gp-Coolant Sampling
14***05Adapter Group1
15***23Valve-Sampling; (Engine Coolant)1
15***70Cap-Dust; (Engine Coolant)1
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Electrical And Starting System
3e-6328 Alarm Gp -Action
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
18***35Pin-Connector; (16-Ga To 18-Ga)2
3E***65Wedge; (Receptacle Lock) (2 Pin)1
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177-9953 Alternator Gp-Charging
17***53Alternator Group-Charging; (24-Volt, 80-Ampere)1
18***38Collar2
18***39Fan As; (Alternator)1
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194-4482 Alternator Gp-Charging
09***49Bolt; (M8x1.25x40-mm)2
12***78Spacer; (10.5x25x15-mm Thk)1
15***96Bracket1
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194-2718 Battery & Wiring Gp
03***55Locknut; (5/16-18-Thd)(Marked X)2
11***22Battery Group; (12-Volt, Maintenance Free, Wet)2
11***91Bracket Assem.4
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9w-0742 Block Gp-Junction -Battery
6V***22Tube-Heat Shrink; (25.4-mm Dia)(10-M)0
7F***60Washer6
8C***58Block Group-Junction; (Battery)1
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194-2716 Electrical Ar
19***16Electrical Ar1
19***17Wiring Group-Engine1
19***18Battery & Wiring Group1
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231-6710 Electronics Gp-Monitor
23***10Electronics Group-Monitor1
25***24Software Group-Monitor; (Caterpillar Monitoring System)1
25***25Service Group-Monitor; (Caterpillar Monitoring System)1
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162-7755 Lamp Gp-Dome
15***26Switch; (Dome Light)1
15***27Lamp; (24-Volt)(Dome Light)2
15***28Lens; (Dome Light)1
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234-4325 Lamp Gp-Flood
16***56Bracket; (Lamp Retaining)1
20***14Lens As; (Floodlight)1
23***25Lamp Group-Flood; -Suspended Mount1
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194-2732 Lighting Gp-Flood -Cab
10***23Switch As-Rocker; (Boom Lamp)1
11***18Clip2
12***48Actuator-Rocker1
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194-2715 Panel & Mtg Gp-Circuit Breaker
11***91Bracket Assem.1
19***15Panel & Mtg Group-Circuit Breaker1
20***02Panel Group-Circuit Breaker1
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202-2702 Panel Gp-Circuit Breaker
09***66Washer; (Hard) (4.5x9x1mm Thk)4
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
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198-0917 Receptacle Gp-Auxiliary Start
19***17Receptacle Group-Auxiliary Start1
1S***51Terminal-Cable; (00-Ga, 1/2-In Screw)2
20***34Plate As1
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221-3406 Sensor Gp-Pressure
15***60Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness)1
15***76Wedge-Plug Lock; (3-Pin)1
18***40Socket-Connector; (14-Ga To 18-Ga)(14-Ga To 18-Ga)3
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189-5746 Sensor Gp-Speed
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
14***36Pin-Connector; (14-Ga To 18-Ga)2
17***49Strap; (Marker)1
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130-9811 Sensor Gp-Temperature
13***11Sensor Group-Temperature; (Transmission Lubrication Oil)1
13***45Pad; (Connector)1
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7c-4028 Solenoid Gp-Shutoff
15***52Solenoid As; (Fuel Shutoff)1
4B***74Washer (Required Only When Bosch Alternator Is Fitted)1
4K***88Seal; Adapter To Oil Pump Outlet Manifold1
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134-2356 Starting Aid Gp -Air Inlet Heater
10***52Heater As; (22-Volt, 2160-Watt)(Air Inlet)1
10***47Strap-Grounding1
12***79Stud-Taperlock; (M8x1.25x130-mm)1
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111-4275 Starting Motor Gp-Electric
11***75Starting Motor Group-Electric; (Cold Weather)1
11***73Bolt-12 Point Head; (M10x1.5x35-mm)3
1S***51Terminal-Cable; (00-Ga, 1/2-In Screw)1
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207-1517 Starting Motor Gp-Electric
03***23Bolt; (1/4-28x1-In)5
10***63Terminal As-Starter1
10***49Housing As-Starter1
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7n-0718 Switch Gp-Disconnect -Battery
2H***22Lockwasher2
6F***45Nut-Full; (3/8-24-Thd)2
7N***18Switch As-Disconnect; -Battery-Ground Level1
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172-8660 Switch Gp-Liquid Level -Hydraulic Tank
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
17***60Switch Group-Liquid Level; -Rear Engine Oil-Ster, Hydraulic Fan Oil-Engine On-Steering Oil, Engine Off-Auxiliary Coolant-Front Engine Oil-Brake Oil, Hoist-Engine Coolant-Tc Oil-Low, Cold1
9X***01Pin-Connector; (16-Ga To 18-Ga)(Throttle Position Sensor)2
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254-3783 Switch Gp-Magnetic -Main Relay
15***70Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness)1
18***36Socket-Connector; (16-Ga To 18-Ga)2
25***83Switch Group-Magnetic; -Main Relay-Main Power Relay1
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241-8368 Switch Gp-Magnetic -Main Relay
15***70Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness)1
18***36Socket-Connector; (16-Ga To 18-Ga)2
24***68Switch Group-Magnetic; -Main Power Relay-Main Relay1
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167-0138 Switch Gp-Magnetic -Main Relay
15***70Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness)1
16***38Switch Group-Magnetic; -Main Relay-Main Power Relay1
18***36Socket-Connector; (16-Ga To 18-Ga)2
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165-5970 Switch Gp-Toggle -Reversible Fan
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
16***70Switch Group-Toggle; -Engine Shutoff-Starting Aid-Diagnostic Mode Select1
18***35Pin-Connector; (16-Ga To 18-Ga)3
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194-2708 Wiring Gp-Cab
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)4
10***06Receptacle Kit; (Includes Wedge And Receptacle Assem.)2
13***68Plug4
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194-2719 Wiring Gp-Chassis
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)2
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)3
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
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194-2712 Wiring Gp-Console
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)2
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
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194-2717 Wiring Gp-Engine
03***48Clip; (11.11mm .437in Id)4
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)2
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
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194-4481 Wiring Gp-Heater
10***93Cable Assem.1
10***91Bracket Assem.1
11***57Boot1
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Engine Arrangement
217-2082 Engine Ar
10***49Flywheel Group1
10***69Cooler Group-Engine Oil1
10***39Housing Group-Front1
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220-6373 Engine Ar-Core
10***66Camshaft Group1
10***95Control Group-Fuel Injection1
10***31Lines Group-Fuel Ratio Control; Air Fuel Ratio Control Lines Group, Angle1
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190-6445 Installation Ar-Engine
11***75Starting Motor Group-Electric; (Cold Weather)1
18***21Valve Group-Coolant Sampling1
19***45Installation Ar-Engine1
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Frame And Body
212-4540 Door Gp-Access -Cab Roof
13***02Washer-Nylon; (0.53x1.53x0.125-In Thk)2
16***49Bolt; (M12x1.75x60-mm)4
21***40Door Group-Access; -Cab Roof1
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224-2333 Door Gp-Access -Cab Roof
13***02Washer-Nylon; (0.53x1.53x0.125-In Thk)2
16***49Bolt; (M12x1.75x60-mm)4
21***29Block2
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197-4186 Frame & Tank As-Rear
19***60Tank Group-Hydraulic1
19***61Tank Group-Fuel1
19***67Plate As1
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194-2692 Frame & Tank Gp-Rear -Fuel, Hydraulic
09***45Gauge Group-Sight; -Hydraulic Oil Level1
09***47Bolt; (M10x1.5x36-mm)2
09***14Seal-O-Ring (Id=9.80mm)4
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241-2900 Frame & Tank Gp-Rear -Fuel, Hydraulic
09***45Gauge Group-Sight; -Hydraulic Oil Level1
09***47Bolt; (M10x1.5x36-mm)2
09***14Seal-O-Ring (Id=9.80mm)4
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242-9992 Frame & Tank Gp-Rear -Fuel, Hydraulic
19***60Tank Group-Hydraulic1
19***61Tank Group-Fuel1
19***67Plate As1
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194-2693 Frame As-Front
11***58Plate1
11***73Stud-Weld; (M12x1.75x21.1-mm)8
19***93Frame As-Front1
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194-2696 Guard Gp-Bottom -Rear Frame
11***54Seal; (160-cm)0
19***96Guard Group-Bottom; -Rear Frame1
20***74Guard As; (Lh)1
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194-2697 Guard Gp-Front -Front Frame
10***53Bumper-Conical1
19***97Guard Group-Front; -Front Frame1
19***93Plate2
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148-8959 Hitch Gp-Articulating
11***73Cap1
14***56Pin1
14***59Hitch Group-Articulating1
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194-2690 Hood & Guard Gp
09***91Pin - Spring2
11***89Hinge1
11***47Spring2
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194-2698 Link Gp-Steering Frame Lock
16***20Pin1
19***98Link Group-Steering Frame Lock1
19***24Pin As1
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214-0782 Stop Gp-Steering
21***82Stop Group-Steering1
21***93Block2
21***94Block2
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Fuel System
129-1102 Base Gp-Fuel Filter
11***23Insert-Fuel Filter1
12***01Valve Group-Check; -Fuel-Fuel Filter1
12***02Base Group-Fuel Filter1
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105-1695 Control Gp-Fuel Injection
10***95Control Group-Fuel Injection1
16***56Control Group-Fuel Injection1
6V***83Bolt (16mm Long); (M6x1x16-mm)4
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7e-9429 Control Gp-Governor
5C***53Bolt (M6x1.00x16mm); (M6x1x16mm Thk)1
6I***82Lever As1
6I***83Spring2
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240-7316 Control Gp-Governor
24***16Plate1
24***96Cable As1
24***16Control Group-Governor1
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7e-8794 Drive Gp-Gov & Transfer Pump
10***68Gear As-Drive; (44-Teeth), . Body1
10***85Lever-Shutoff; (Output)1
1W***65Ring-Retaining1
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7w-4812 Fastener Gp-Fuel Inj Pump
1T***68Seal-O-Ring; (Fuel Injection Pump)1
6F***73Seal--To Top Cover On Selector Valve1
6V***18Bolt (M8x1.25x45mm); (M8x1.25x35-mm)3
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176-5618 Filter Gp-Water Sep & Fuel -Primary
17***18Filter Group-Water Sep & Fuel; -Primary1
22***78Seal-Ring; (Fuel And Water Sep Filter)1
27***20Bowl As; (Fuel, Water Separator)1
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183-2344 Filter Gp-Water Sep & Fuel
12***57Base As-Filter; (Primary Fuel Filter)1
13***41Pump Group-Fuel Priming; (Hand)1
17***18Filter Group-Water Sep & Fuel; -Primary1
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133-3062 Governor Gp-Unit Injector
10***90Spring-Air Side1
10***92Spring-Servo1
10***93Spring-Return1
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221-7834 Governor Gp-Unit Injector
10***91Spring-Oil Side1
10***72Cam Assem.1
13***62Governor Group-Unit Injector1
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222-3936 Governor Gp-Unit Injector
22***34Governor Group-Unit Injector1
22***36Governor Group-Unit Injector1
7W***12Fastener Group-Governor; Fastener Group(Governor) (~1c K5811)1
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194-2691 Lines Gp-Fuel
06***51Clamp1
14***74Elbow As1
14***78Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs)1
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242-0746 Lines Gp-Fuel
06***51Clamp1
14***74Elbow As1
14***78Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs)1
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194-4130 Lines Gp-Fuel Filter
10***29Hose; (60-cm)0
12***02Base Group-Fuel Filter1
14***75Valve-Drain; (Fuel)2
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107-7731 Lines Gp-Fuel Ratio Control
10***80Tube Assem.1
10***31Lines Group-Fuel Ratio Control; Air Fuel Ratio Control Lines Group, Angle1
3J***54Packing,Preformed Part Of Kit P/N 5r***271
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7w-8434 Lines Gp-Governor Oil
3J***54Packing,Preformed Part Of Kit P/N 5r***272
4J***77Seal - O - Ring (11.23mm Od)2
6V***28Elbow-Face Seal (For 6.35mm Od Tube)1
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107-7734 Pump Gp-Fuel Injection
10***34Pump Group-Fuel Injection1
11***18Seal-O-Ring; (26.64mm Id)1
12***18Fuel Injector1
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221-5386 Pump Gp-Fuel Prm & Prim Filter
10***29Hose; (60-cm)0
14***75Valve-Drain; (Fuel)1
18***44Filter Group-Water Sep & Fuel1
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196-3861 Tank Gp-Fuel
09***30Seal-O-Ring (Id=179.30mm)1
15***39Plate1
19***61Tank Group-Fuel1
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129-1101 Valve Gp-Check -Fuel
03***33Seal-O-Ring; (12.42mm Id)1
12***01Valve Group-Check; -Fuel-Fuel Filter1
6V***23Ring; (Backup) (13.16mm Id)1
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Hydraulic System
170-8531 Accumulator Gp-Pilot Oil -Charged-Dead Engine, Lift Arm Lower
17***31Accumulator Group-Pilot Oil; -Charged-Dead Engine Lower, Arch, Boom1
20***58Film-Warning; (Accumulator)(High Pressure Cylinder)2
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179-9387 Accumulator Gp-Pilot Oil -Uncharged-Dead Engine, Lift Arm Lower
17***87Accumulator Group-Pilot Oil; -Uncharged-Dead Engine Lower, Arch, Boom1
20***58Film-Warning; (Accumulator)(High Pressure Cylinder)2
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149-7393 Cylinder & Mtg Gp-Steering
00***12Washer; (0.13-In Thk)2
14***93Cylinder & Mtg Group-Steering1
15***03Cylinder & Seal Group-Steering2
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152-3503 Cylinder & Seal Gp-Steering
13***12Cylinder Group-Steering1
15***03Cylinder & Seal Group-Steering1
7K***03Seal-Lip Facing Away From Bearing4
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215-6715 Cylinder Gp-Lift
15***11Lockwasher12
16***01Seal As-Buffer1
16***12Seal-U-Cup1
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139-3312 Cylinder Gp-Steering
13***12Cylinder Group-Steering1
13***13Cylinder Assem.1
13***14Rod Assem.1
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224-9878 Cylinder Gp-Tilt
16***01Seal As-Buffer1
16***12Seal-U-Cup1
19***62Seal1
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194-2687 Filler Gp-Hydraulic Oil
10***90Adapter As1
15***36Reducer As1
15***59Tee Group1
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194-2681 Filter & Mtg Gp-Oil -Hydraulic
15***28Elbow As2
19***81Filter & Mtg Group-Oil; -Hydraulic1
19***79Filter Group-Oil; -Power Train Charge Pump1
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196-4558 Filter Gp-Oil -Main Hydraulic
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
18***35Pin-Connector; (16-Ga To 18-Ga)2
19***58Filter Group-Oil; -Main Hydraulic1
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214-6594 Filter Gp-Oil -Case Drain
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
18***35Pin-Connector; (16-Ga To 18-Ga)2
21***94Filter Group-Oil; -Hydraulic, Power Train Case Drain1
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196-3079 Filter Gp-Oil -Power Train Charge Pump
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***36Seal-O-Ring; (49.28mm Id)1
12***14Filter-Oil; (Ultra High Efficiency)1
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194-2671 Hydraulic Ar
14***93Cylinder & Mtg Group-Steering2
19***71Hydraulic Ar1
19***73Pump & Mtg Group-Hydraulic1
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167-7080 Lever Gp-Control -Hydraulic Lockout
09***62Washer; (Hard) (3.4x7x0.8mm Thk)2
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
12***27Screw-Pan Head; (M3x0.5x16-mm)2
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197-9885 Lever Gp-Control -Hydraulic Lockout
16***80Lever Group-Control; -Hydraulic Lockout1
17***08Cover1
19***85Lever Group-Control; -Hydraulic Lockout1
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194-2677 Lines Gp-Front
14***27Connector Group4
14***27Tee As; (Orfs)1
15***45Union As4
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242-0668 Lines Gp-Grease
11***91Bracket Assem.2
14***20Connector As14
14***51Elbow Group1
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194-2688 Lines Gp-Grease
11***91Bracket Assem.1
14***20Connector As14
14***51Elbow Group1
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194-2678 Lines Gp-Hydraulic
14***67Clamp; (Hose)4
14***35Connect Group; (Each Includes)1
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)1
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241-8463 Lines Gp-Hydraulic
14***67Clamp; (Hose)4
14***35Connect Group; (Each Includes)1
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)1
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194-2675 Lines Gp-Lift Cylinder
14***17Adapter, -12 Orb / -16 Orfs2
14***59Elbow Group4
14***50Tee As2
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194-2676 Lines Gp-Pilot
06***51Clamp4
13***33Grommet1
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)2
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194-2680 Lines Gp-Return
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***65Tee As-Swivel1
10***33Clip; (Slot)3
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243-5500 Lines Gp-Return
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***65Tee As-Swivel1
10***33Clip; (Slot)2
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194-2679 Lines Gp-Steering
13***11Elbow; (Lh)1
13***53Elbow; (Rh)1
14***47Elbow; (-12 Orb/Orfs)2
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194-2674 Lines Gp-Tilt Cylinder
12***67Clamp-Hose2
14***17Adapter, -12 Orb / -16 Orfs2
14***59Elbow Group4
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194-2673 Pump & Mtg Gp-Hydraulic
14***16Connector Group2
14***17Adapter, -12 Orb / -16 Orfs2
14***26Adapter; (Straight) (-4 Orb X -4 Orfs)1
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262-4420 Pump Gp-Piston -Saw
09***70Bolt-Socket Hd; (M12 X 1.75 X 45)4
11***49Fitting As; (Quick Disconnect)1
22***87Swashplate As1
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262-4419 Pump Gp-Piston -Implement, Pilot, Steering
09***70Bolt-Socket Hd; (M12 X 1.75 X 45)4
11***49Fitting As; (Quick Disconnect)2
22***88Swashplate As1
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196-3860 Tank Gp-Hydraulic
09***30Seal-O-Ring (Id=179.30mm)2
15***39Plate2
19***60Tank Group-Hydraulic1
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194-2734 Valve & Lines Ar -Shear
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
11***60Valve-Check; (Transmission Oil)2
14***17Adapter, -12 Orb / -16 Orfs2
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194-2686 Valve & Mtg Gp-Combination -Pilot, Brake, Steering
14***15Connector As2
14***27Connector Group1
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)10
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194-2672 Valve & Mtg Gp-Main Control
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)2
16***58Reducer As1
19***72Valve & Mtg Group-Main Control1
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196-6864 Valve Gp-Bank 4 -Main Hydraulic
17***83Kit-Bracket; (Main Control Valve)1
17***85Kit-Seal; (Main Control Valve)1
19***64Valve Group-Bank 4; -Main Hydraulic1
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200-0870 Valve Gp-Bank 5
17***83Kit-Bracket; (Main Control Valve)1
17***85Kit-Seal; (Main Control Valve)1
20***70Valve Group-Bank 51
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197-7156 Valve Gp-Combination -Pilot, Brake, Steering
12***33Coil As; (24-Volt)1
12***35Kit-Seal1
12***72Cartridge As1
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224-9840 Valve Gp-Control -Accumulator Arm
09***41Bolt-Socket Head; (M4x0.7x10-mm)2
09***45Bolt-Socket Head; (M6x1.00x55mm)2
12***45Seal-O-Ring; (25.3mm Id)1
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218-9841 Valve Gp-Control -Shear
09***45Bolt-Socket Head; (M6x1.00x55mm)2
17***85Kit-Seal; (Main Control Valve)1
17***47Kit-Spring; (Control Valve)1
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218-9838 Valve Gp-Control -Accumulator Arm
09***41Bolt-Socket Head; (M4x0.7x10-mm)2
09***45Bolt-Socket Head; (M6x1.00x55mm)2
12***45Seal-O-Ring; (25.3mm Id)1
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219-6467 Valve Gp-Control -Steering
13***13Bolt-Socket Head; (M6x1x30-mm)6
15***82Bolt-Socket Head; (M6x1x40-mm)1
17***70Orifice; (0.6mm Id)2
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218-9842 Valve Gp-Control -End Cover
17***85Kit-Seal; (Main Control Valve)1
18***69Plug1
21***42Valve Group-Control; -End Cover1
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224-9839 Valve Gp-Control -Grapple Arm
09***45Bolt-Socket Head; (M6x1.00x55mm)2
16***40Valve Group-Relief; (Line)2
17***85Kit-Seal; (Main Control Valve)1
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218-9836 Valve Gp-Control -Grapple Arm
09***45Bolt-Socket Head; (M6x1.00x55mm)2
16***40Valve Group-Relief; (Line)2
17***85Kit-Seal; (Main Control Valve)1
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218-9840 Valve Gp-Control -Tilt
09***45Bolt-Socket Head; (M6x1.00x55mm)2
16***40Valve Group-Relief; (Line)2
17***85Kit-Seal; (Main Control Valve)1
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219-6133 Valve Gp-Control -End Cover
21***33Valve Group-Control; -End Cover1
3D***24O-Ring - For Oil Drain & Level Plug (Items 3 & 7)1
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve1
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218-9834 Valve Gp-Control -Inlet
17***04Adapter As-Valve1
21***34Valve Group-Control; -Inlet1
22***11Kit-Seal1
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218-9839 Valve Gp-Control -Lift
09***45Bolt-Socket Head; (M6x1.00x55mm)2
16***40Valve Group-Relief; (Line)2
17***85Kit-Seal; (Main Control Valve)1
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196-6109 Valve Gp-Pilot -Lh Joystick
13***66Nut; (M14x2-Thd)1
19***09Valve Group-Pilot; -Lh Joystick1
22***73Control Group-Handle1
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196-6110 Valve Gp-Pilot -Rh Joystick
13***66Nut; (M14x2-Thd)1
19***10Valve Group-Pilot; -Rh Joystick1
22***74Control Group-Handle1
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152-8346 Valve Gp-Solenoid
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
10***36Kit-Seal; (Solenoid Valve)1
11***43Locknut; (5/16-18-Thd)2
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171-3685 Valve Gp-Solenoid
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)2
11***43Locknut; (5/16-18-Thd)2
16***71Kit-Seal; (Solenoid Valve)1
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198-4390 Valve Gp-Solenoid & Manifold
17***85Valve Group-Solenoid1
19***90Valve Group-Solenoid & Manifold1
22***64Cartridge As-Valve2
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Implements
201-9711 Link Gp-Tilt
20***11Link Group-Tilt1
20***21Link & Bearing As1
20***21Link As1
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201-9712 Link Gp-Tilt
20***12Link Group-Tilt1
20***22Link & Bearing As; (Tilt)2
3K***75Bearing-Sleeve2
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194-2695 Linkage Gp-Felling Head
13***65Washer; (13.8x45x3-mm Thk)14
19***95Linkage Group-Felling Head1
20***13Lever As-Tilt1
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Lubrication System
139-3527 Breather Gp
13***27Breather Group1
2W***62Breather As-Crankcase; (Engine)1
4P***36Base1
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195-3733 Filler Gp-Engine Oil
19***33Filler Group-Engine Oil1
19***34Tube As-Filler1
5L***52Cap Assembly, Including:-; (Engine)1
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4p-8183 Filter Gp-Engine Oil
1R***07Filter As-Engine Oil; (Advanced Efficiency)1
23***54Gasket1
24***64Spring; (Yoke)2
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190-0108 Fumes Disposal Gp
19***08Fumes Disposal Group1
4D***88Clip-(Slot To Fit Fastener M10 Or 3/8)1
6V***39Washer-Hard-Alt Strap To Fan Drive Belt1
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143-3217 Fumes Disposal Gp
14***17Fumes Disposal Group1
4D***88Clip-(Slot To Fit Fastener M10 Or 3/8)1
4P***55Hose-Disposal; (Fumes Disposal)1
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139-2378 Gauge Gp-Oil Level (Dipstick)
13***78Gauge Group-Oil Level (Dipstick)1
13***79Tube As-Guide1
13***80Gauge-Oil Level (Dipstick); (Engine)1
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129-1133 Lines Gp-Engine Oil
12***32Tube As-Oil1
12***33Lines Group-Engine Oil1
3E***53Washer-Hard; (11x25x3-mm Thk)2
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117-3305 Lines Gp-Turbocharger Oil
11***05Lines Group-Turbocharger Oil1
11***42Adapter1
14***78Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs)1
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212-2270 Pump Gp-Engine Oil
20***97Pump Group-Engine Oil1
21***70Pump Group-Engine Oil1
6V***15Bolt; (M10x1.5x75-mm)2
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200-4497 Pump Gp-Engine Oil
18***77Pump Group-Engine Oil1
20***97Pump Group-Engine Oil1
7W***37Shaft-Oil Pump1
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245-4905 Spacer Gp-Breather -Crankcase
24***04Spacer1
24***05Spacer Group-Breather; -Crankcase1
8C***84Bolt; (M8x1.25x150-mm)1
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2t-2951 Valve Gp-Fluid Sampling
2T***51Valve Group-Fluid Sampling; Manual Valve Group (Fluid Sampling)1
3J***07Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve1
3J***54Packing,Preformed Part Of Kit P/N 5r***271
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Machine Arrangement
237-9522 Chassis Ar
14***59Hitch Group-Articulating1
19***90Hood & Guard Group1
19***91Lines Group-Fuel1
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237-9521 Common Ar
19***45Installation Ar-Engine1
19***71Hydraulic Ar1
19***04Operator Ar-Enclosed Rops1
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Operator Station
178-5524 Adjustment Gp-Console
09***36Screw; (Machine) (M5x0.8x10mm)1
09***15Ring-Retaining1
11***26Screw; (Pan Head) (10-16x0.63 In)1
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197-4107 Air Conditioner & Mounting Gp
18***54Filter Element-Cab Air1
19***07Air Conditioner & Mounting Group1
19***60Air Conditioner Group1
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194-2701 Air Conditioner Ar
19***01Air Conditioner Ar1
19***03Lines Group-Air Conditioner1
24***06Lines Group-Air Conditioner1
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199-3160 Air Conditioner Gp
17***62Duct1
17***63Duct As1
18***09Duct1
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194-2707 Cab Gp-Enclosed Rops
19***07Cab Group-Enclosed Rops1
19***08Wiring Group-Cab1
19***09Panel Group-Instrument1
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199-3159 Case Gp-Air Conditioner
17***29Case Group-Heater & Evaporator1
18***19Screw-Hex Flange; (M5x2.24x14-mm)6
18***56Switch As-Pressure; (Air Conditioner, Low Side)1
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199-3157 Case Gp-Heater & Evaporator
03***38Clamp1
13***14Grommet1
17***87Coil As-Heater1
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177-6729 Case Gp-Heater & Evaporator
03***38Clamp1
13***14Grommet1
17***87Coil As-Heater1
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194-4478 Compressor Gp-Refrigerant
17***57Rod1
19***78Compressor Group-Refrigerant1
21***73Block1
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3e-1906 Compressor Gp-Refrigerant
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
18***39Pin-Connector; (14-Ga To 18-Ga)(For 14 Gauge Wire)2
31***18Valve As-Pressure Relief; (Refrigerant Compressor)1
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200-8042 Console Gp-Operator
16***59Console Group-Operator; -Lh1
17***13Guard2
17***14Support2
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161-3759 Console Gp-Operator -Lh
11***26Screw; (Pan Head) (10-16x0.63 In)8
12***35Screw; (Truss Head) (M6x1x13mm)5
15***99Nut8
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204-6974 Console Gp-Operator -Rh
11***26Screw; (Pan Head) (10-16x0.63 In)5
12***35Screw; (Truss Head) (M6x1x13mm)6
15***99Nut10
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196-4116 Control Gp-Hydraulic Pedal -Brake
11***26Kit-Seal1
19***16Control Group-Hydraulic Pedal; -Brake1
21***34Valve As1
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194-2714 Control Gp-Pilot Operated Hyd
14***77Elbow As.10
15***44Connector Group5
16***69Adapter; (Str Thd (-6) Orfs/0)5
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254-9336 Door Gp-Cab
09***55Clip2
10***61Guard1
10***44Latch As-Rotary1
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197-4720 Door Gp-Cab
03***72Pin-Clevis2
09***55Clip2
09***87Channel-Trim0
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199-5134 Duct Gp-Air
10***67Washer-Hard; (7.2x25x2-mm Thk)3
11***27Screw-Machine; (M6x1x30-mm)3
19***21Duct1
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197-2913 Duct Gp-Cab Air
10***91Screw; (Flat Head) (No.6-20x0.5in)4
11***17Louver As1
11***94Hose; (66-cm)0
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213-0235 Handle Gp-Door -Cab
09***66Washer; (Hard) (4.5x9x1mm Thk)2
21***35Handle Group-Door; -Cab1
6V***92Screw-Machine; (M4x0.7x25-mm)1
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202-9627 Housing Gp-Air Conditioner -Outlet Air
17***12Cover1
17***13Housing1
17***27Actuator1
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199-3156 Housing Gp-Air Conditioner -Inlet Air
17***90Plate1
17***99Gasket1
17***05Case; (Bottom)1
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220-8420 Installation Gp-Radio
10***55Cover-Speaker2
11***19Bolt-Socket Head; (M4x0.7x25-mm)8
11***54Cover1
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242-4306 Lines Gp-Air Conditioner
06***51Clamp1
10***11Support1
12***59Clamp2
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194-2703 Lines Gp-Air Conditioner
06***51Clamp2
10***11Support1
12***59Clamp2
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194-2700 Lines Gp-Cab Heater
14***11Adapter Group4
16***73Valve Group-Shutoff2
19***00Lines Group-Cab Heater1
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200-6424 Module Gp-Quad Gauge
10***05Kit-Receptacle; (6-Pin)(Display Monitor Harness)1
20***24Module Group-Quad Gauge1
3E***83Wedge-Receptacle Lock; (6-Pin)1
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194-2706 Mounting Gp-Cab
19***06Mounting Group-Cab1
21***53Sleeve4
6V***76Nut-Lock; (M24 X 3.0)4
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194-2704 Operator Ar-Enclosed Rops
16***57Support Group-Seat; Support Gp - Seat1
19***04Operator Ar-Enclosed Rops1
19***05Platform Group-Operator1
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194-2709 Panel Gp-Instrument
10***66Bezel2
11***27Screw-Machine; (M6x1x30-mm)5
11***11Socket-Auxiliary Power; (12-Volt)(Power Port)1
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194-2705 Platform Gp-Operator
19***05Platform Group-Operator1
19***53Tread1
19***96Plate As1
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204-0363 Radio Gp -Am/Fm/Wb Cd Player
10***82Sleeve1
10***06Receptacle Kit; (Includes Wedge And Receptacle Assem.)1
13***90Bushing; (Radio Mount)1
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201-6973 Seat Gp
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
18***35Pin-Connector; (16-Ga To 18-Ga)2
20***85Suspension Group-Seat; -Air1
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194-2684 Seat Gp-Suspension
19***84Seat Group-Suspension1
1A***50Bolt (7/16-20x1.75in); (7/16-20x1.75-In)2
20***73Seat Group1
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210-7728 Seat Gp-Suspension
21***52Seat Group1
21***28Seat Group-Suspension1
21***02Suspension Group-Seat1
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210-7727 Seat Gp-Suspension
1A***50Bolt (7/16-20x1.75in); (7/16-20x1.75-In)2
21***27Seat Group-Suspension1
21***28Seat Group-Suspension1
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161-3757 Support Gp-Seat
16***57Support Group-Seat; Support Gp - Seat1
16***43Support As; (Seat)1
7X***29Washer; (11x25x3-mm Thk)4
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201-5685 Suspension Gp-Seat -Air
17***55Kit-Seat Adjuster; (Upper)1
17***57Kit-Cable Adjuster; (Lower)1
17***58Kit-Handle2
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210-8502 Suspension Gp-Seat
17***55Kit-Seat Adjuster; (Upper)1
17***57Kit-Cable Adjuster; (Lower)1
17***58Kit-Handle2
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198-3890 Trim Gp-Cab
09***35Screw; (Machine) (M5x0.8x8mm)2
10***39Support-Filter1
12***08Bracket As1
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196-2392 Window Gp-Cab -Lh
13***30Hinge-Lh2
15***15Gasket1
19***87Frame As-Lower1
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212-3310 Window Gp-Cab -Lh
13***30Hinge-Lh2
15***15Gasket1
21***25Glass; (Fixed, Lower)1
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194-2711 Window Gp-Cab
19***11Window Group-Cab1
19***92Window Group-Cab; -Lh1
19***21Window-Rh1
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Power Train
213-8773 Accumulator Gp-Brake -Charged
1J***71Seal (10.52 Degrees I.D.); Seal-O-Ring -- To Adapter1
21***73Accumulator Group-Brake; -Charged1
22***32Cap; (Gas Valve)1
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144-7237 Accumulator Gp-Brake -Charged-Axle, Front
03***13Screw-Forming; (10-24x0.37-In)2
06***35Valve-Gas1
06***36Protector-Gas Valve1
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213-4602 Axle Ar
13***15Axle Ar-Fixed; -Rear1
14***69Stud80
20***93Axle Ar-Oscillating; -Front1
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139-4115 Axle Ar-Fixed -Rear
13***15Axle Ar-Fixed; -Rear1
13***21Housing Group-Fixed Axle1
13***26Brake & Planetary Group2
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209-9293 Axle Ar-Oscillating -Front
13***83Gear Group-Bevel & Pinion1
18***87Differential Group; -Locking1
20***93Axle Ar-Oscillating; -Front1
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139-4126 Brake & Planetary Gp
13***52Dowel4
13***45Pin-Spring3
13***26Brake & Planetary Group1
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194-2683 Control Gp-Parking Brake
06***51Clamp1
14***61Elbow Group1
19***83Control Group-Parking Brake1
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194-2682 Control Gp-Service Brake
09***63Grommet1
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)2
14***67Elbow Group; (Each Includes)1
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225-6855 Conversion Gp-Brake Lines
14***67Elbow Group; (Each Includes)2
14***58Union, 90 Deg -62
15***27Tee Group; (Each Includes)2
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184-3587 Differential Gp -Locking
12***60Screw-Flat Head; (M6x1x16-mm)8
12***42Washer-Thrust1
13***28Gear-Bevel; (Differential Lock, 16-Teeth)1
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110-0924 Drive Gp-Flexible Coupling
11***24Drive Group-Flexible Coupling1
11***71Driver1
4B***44Rivet5
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196-7442 Drive Gp-Pump
199-5713 Drive Gp-Pump
15***65Elbow; (Spl)1
15***46Adapter Group1
16***62Connector Assembly1
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139-4183 Gear Gp-Bevel & Pinion
03***60Cup-Roller Bearing1
03***61Cone-Roller Bearing1
11***84Sleeve As1
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139-4121 Housing Gp-Fixed Axle
09***04Bolt-Socket Head; (M12x1.75x110-mm)4
12***03Seal-Lip Type; (7602mm Id)1
13***21Housing Group-Fixed Axle1
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209-9294 Housing Gp-Oscillating Axle
09***04Bolt-Socket Head; (M12x1.75x110-mm)4
10***31Plate1
12***03Seal-Lip Type; (7602mm Id)1
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194-2724 Lines Gp-Charge Pressure
14***05Adapter Group1
14***27Connector Group1
14***65Elbow1
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194-2685 Lines Gp-Differential Lock
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)1
14***53Elbow, 45,-6 Orb To-6 Orfs-Drum Clutch Port1
14***77Elbow As.1
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241-6972 Lines Gp-Hydrostatic
12***88Flange-Split4
18***47Coupler As-Quick Disconnect4
18***08Cap-Dust4
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194-2726 Lines Gp-Hydrostatic
12***88Flange-Split4
18***47Coupler As-Quick Disconnect4
18***08Cap-Dust4
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241-9746 Lines Gp-Speed Control -Power Train
06***51Clamp5
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)4
14***67Elbow Group; (Each Includes)3
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194-2725 Lines Gp-Speed Control
06***51Clamp5
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)4
14***67Elbow Group; (Each Includes)3
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194-2723 Motor & Mtg Gp-Propel
19***23Motor & Mtg Group-Propel1
19***08Motor Group-Piston; -Propel1
7X***66Capscrew; (Hex Hd) (3/4-10x2 Gd 8 Z) (Current Adapters)4
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196-6808 Motor Gp-Piston -Propel
10***85Bolt-Socket Head; (M12x1.75x60-mm)2
10***87Bolt; (Hex Socket) (M6x1.0x20.0mm)4
10***81Bolt; (Socket Head) (M12x1.75x35mm)2
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194-9447 Mounting Gp-Axle
19***47Mounting Group-Axle1
7X***67Bolt-Plt; (M24 X 3.0 X 160)8
7X***79Bolt; (M24x3x240-mm)8
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209-9298 Planetary Gp-Final Drive
13***52Dowel4
13***45Pin-Spring3
13***30Gear-Sun; (15-Teeth)1
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241-2905 Power Train Ar
11***24Drive Group-Flexible Coupling1
19***21Transmission & Mounting Group1
19***22Pump & Mtg Group-Propel1
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216-3038 Power Train Ar
11***24Drive Group-Flexible Coupling1
19***21Transmission & Mounting Group1
19***22Pump & Mtg Group-Propel1
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194-2722 Pump & Mtg Gp-Propel
14***92Elbow; (-12 Orfs/-12 Orfs Swivel)1
15***33Tee As1
19***22Pump & Mtg Group-Propel1
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243-4904 Pump Gp-Piston -Propel
03***05Seal-O-Ring2
09***40Ring; (Retaining)1
10***79Seal-O-Ring2
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215-2115 Pump Gp-Piston -Propel
03***05Seal-O-Ring2
09***40Ring; (Retaining)1
10***79Seal-O-Ring2
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206-2575 Shaft Gp-Drive
02***08Screw; (3/8-24)1
19***66Setscrew1
20***75Shaft Group-Drive1
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194-2727 Shaft Gp-Drive
19***27Shaft Group-Drive1
20***75Shaft Group-Drive1
21***46Spider & Bearing As2
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214-0740 Tire & Rim Ar
20***08Tire & Rim Group2
20***41Tire & Rim Group2
21***40Tire & Rim Ar1
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132-0115 Tire & Rim Ar
13***15Tire & Rim Ar1
13***17Tire & Rim Group4
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194-2733 Tire & Rim Ar
13***15Tire & Rim Ar1
19***33Tire & Rim Ar1
21***93Block2
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229-1639 Tire & Rim Ar
22***38Tire & Rim Group4
22***39Tire & Rim Ar1
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205-7342 Tire & Rim Ar
20***41Tire & Rim Group4
20***42Tire & Rim Ar1
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132-0117 Tire & Rim Gp
13***75Rim As1
13***80Tire & Tube Group; (30.5-32)1
13***17Tire & Rim Group1
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204-5308 Tire & Rim Gp
14***62Tire; (35.5-32)1
20***08Tire & Rim Group1
23***39Rim As; (27x32)1
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205-7341 Tire & Rim Gp
13***80Tire & Tube Group; (30.5-32)1
20***06Rim As; (27x32)1
20***41Tire & Rim Group1
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229-1638 Tire & Rim Gp
13***60Tire & Tube Group; (28-26)1
22***37Rim As1
22***38Tire & Rim Group1
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194-2721 Transmission & Mounting Gp
12***91Elbow1
14***17Adapter, -12 Orb / -16 Orfs1
14***95Plug As1
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194-4241 Transmission Gp -Gearbox
11***19Plug-Magnetic; (Engine Oil Pan Drain)1
19***41Transmission Group; -Gearbox1
1D***58Pin2
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243-4906 Valve Gp-Pump Control -Propel
09***01Bolt-Socket Head; (M8x1.25x40-mm)2
11***66Seal-O-Ring1
17***39Bolt-Socket Head; (M8x1.25x30-mm)4
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223-7403 Valve Gp-Pump Control -Propel
09***01Bolt-Socket Head; (M8x1.25x40-mm)2
11***66Seal-O-Ring1
17***39Bolt-Socket Head; (M8x1.25x30-mm)4
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Service Equipment And Supplies
237-9524 Film Gp
23***24Film Group1
23***35Film-Identification; (Timberking, Rear)1
24***72Film-Identification; (Timberking, Cab Doors)2
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197-6408 Lines Gp-Pressurized Water
00***53Elbow-Pipe; (1/2-14 Nptf Thd)1
14***28Connector Assem.1
14***70Elbow, 90°,-8 Orb Swiv. /-8 Orfs1
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242-1771 Lines Gp-Pressurized Water
00***53Elbow-Pipe; (1/2-14 Nptf Thd)1
14***28Connector Assem.1
14***70Elbow, 90°,-8 Orb Swiv. /-8 Orfs1
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217-0115 Literature Gp
09***45Cable; (Lanyard)1
18***48Key1
21***15Literature Group1
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237-9523 Plate & Film Gp
10***30Film; (Warning) (Accumulator Pressure) (On Bracket Covering Brake Accumulator)1
11***93Plate; (Instruction) (On Right Side Behind Cab Door)1
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Work Tools
222-5029 Head Ar-Felling
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22***30Head Ar-Felling1
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TK380 serial number reference

The PIN plate on this wheel feller buncher is a metal tag mounted on the machine frame, typically near the cab entry or engine compartment on the chassis rail. Read the first three characters as the model/plant prefix and the following digits as the sequential unit number (e.g. WBE00001); machines built after the early 2000s carry a full 17-character PIN with this same prefix and running number embedded in the last 8 characters.

PrefixIdentifies
WBETK380 Wheel Feller Buncher

Frequently asked questions

What engine does the Caterpillar TK380 use?

The TK380 wheel feller buncher runs Caterpillar's 3126 engine, a mid-size electronically controlled diesel using HEUI (hydraulic electronic unit injection). It shares this engine family with its close siblings, the TK370, TK371 and TK381 wheel feller bunchers, though each carries its own distinct factory serial prefix — the TK380's is WBE.

What is the operating weight of the Caterpillar TK380?

There is no standard factory operating weight figure for the TK380 documented publicly. Weight varies significantly with the felling head fitted — disc-saw versus shear-style heads carry different mass — and with any counterweight or undercarriage options ordered. For a build-specific figure, check the machine's OMM data plate or ask your Cat dealer.

What replaced the Caterpillar TK380?

No single model is documented as the TK380's direct, official replacement. Caterpillar's wheel feller buncher line continued past this generation, but that succession isn't recorded as a one-for-one swap — it continued on as part of Cat's broader wheeled feller buncher family rather than a named direct replacement.

What TK380 owners discuss

What engine trouble shows up most on TK380-class wheel feller bunchers running the Cat 3126?
The HEUI (hydraulically actuated electronic unit injection) fuel system is the known weak point on this engine family. Poor oil condition or contaminated fuel accelerates HEUI pump wear, which shows up as hard starting, low power, or rough idle. Injector balance is the trickier repair - if one cylinder's injector timing drifts out of sync the engine can knock, misfire, or run away at idle. Keeping fuel filtration tight and running the correct engine oil (Cat DEO or equivalent, changed on schedule) protects the oil-actuated injectors longer. Have your dealer verify HEUI pump pressure and injector balance with the factory diagnostic tool before replacing injectors on a hunch.
Are coolant leaks and overheating a recurring complaint on this engine series?
Yes, coolant leaks are a common thread across the 3126 family in heavy duty-cycle applications like feller bunchers. Symptoms are low coolant level, white exhaust smoke, and creeping temperature gauges. Root cause is usually a failed gasket or a cracked/soft hose rather than the block itself. In a forestry duty cycle with constant vibration and heat cycling, hose clamps and fittings loosen faster than in on-highway use, so a shortened visual-inspection interval on hoses and the radiator top tank is worth building into daily walk-arounds.
What wears out first on the axles and drivetrain of a wheeled feller buncher like this?
The oscillating rear axle is designed to absorb shock loads from stumps and holes while keeping the machine stable fore-and-aft, but that constant articulation is exactly what chews through the axle pivot pins and bushings over time. Operators report play developing at the oscillation pivot well before the final drives themselves show wear, so that pivot point deserves its own grease interval rather than being lumped in with the rest of the chassis. Final drive oil sampling on a set schedule catches gear wear before it becomes a tow-in job.
What maintenance issues come up with the felling head (disc saw and accumulator arms)?
The accumulator arms that hold cut stems open and close on every tree, so their hinge pins and bushings are a wear item that outpaces almost everything else on the machine - daily grease at the ground-level points is the standard advice, not an optional interval. On the disc saw side, watch the saw motor mounting and drive belts or gear teeth for wear from repeated shock loading when the disc contacts stumps or rock, and check the head's hydraulic hoses and fittings routinely since they take constant flexing at the pivot as the head tilts and rotates.
What electrical or sensor problems come up on these machines?
Machines that work in dirt, mud, and wet slash accumulate corrosion at ECM and relay connectors faster than typical construction equipment, and a corroded or loose ground circuit is behind a large share of intermittent fault codes on Cat forestry iron generally. Speed and ground-drive sensors are magnetic pickups, and ferrous debris from normal driveline wear collects on the sensor tip and throws off the reading over time - cleaning the sensor tip with a lint-free cloth and inspecting the connector for corrosion is a routine troubleshooting first step before condemning a sensor. Have your dealer pull codes with the factory diagnostic tool to confirm before swapping ECM components.
Is stability or tipping a real concern with a wheeled feller buncher on rough ground?
Yes - wheeled machines need more operator care on slopes and uneven ground than tracked units, which is why the oscillating axle, wide axle spacing, and low center of gravity are emphasized in this class of machine. A front differential lock (engaged from the joystick) helps keep the front tires turning in sync on slick or steep ground, and some machines add a tip-warning system to alert the operator before reaching an unstable attitude. This is a safety system, not just a comfort feature - have your dealer verify the differential lock and any tip-alert system are functioning before working steep or uneven terrain.
What should I check before buying a used TK380?
Start with tires and rims: sidewall cuts, tread wear, and any dents or cracks in the rim itself are red flags, since forestry duty is hard on rubber and steel alike. Check the axle housings and the oscillation pivot for cracks, weld repairs, or excess play - this is the highest-wear structural point on a wheeled feller buncher. Cycle every hydraulic function on the felling head and boom, watching for leaks, slow response, or uneven cylinder speed, and check the accumulator arm pivots for slop. On the engine, look for HEUI-related history (hard starting, injector work) and coolant leak repairs, and ask for oil sample and service records. Confirm the serial prefix and configuration match what you're being quoted, since specs and available options vary across the TK-series lineup and documentation for a specific serial range can be thin - your dealer can pull the exact build sheet from the serial number.

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

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