Caterpillarforest productsforwarder

Caterpillar 2748

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar 2748 is a track-mounted forest products log loader, a swing machine built to load, sort, and process logs at a landing or millyard rather than to travel long distances through standing timber. It is cataloged under Cat's forest products line and identified in factory parts records by the PIN prefix PCL, built around a Cat C7 industrial diesel, a turbocharged inline-six with a single turbocharger and dry exhaust manifold per the parts breakdown. A dual heavy-duty track undercarriage carries an upper structure with a swing bearing and swing drive, a boom offered in two arm-length options (roughly 7.8 m and 8.5 m), a hydraulic grapple, and a hydraulic rotator that spins the grapple independent of boom position. Cat does not publish operating weight, dimensions, or a production-year span for this model in any current spec channel, and the 2748 is not tied by any documented source to a named predecessor or successor; it sits alongside the 2948 as a shared C7-family forestry pairing rather than a mainstream catalog model.

Public documentation does not break the 2748 out into separate series or generations the way Cat tracks its mainstream excavators, so no source lists running changes across its production life. What is confirmed is a shared engine platform and cooling hardware with the 2948, pointing to a common parts and service base across that pairing rather than a standalone design. That scarcity of public spec data is itself the reason the 2748 matters in the used and parts market today: a buyer or shop cannot pull a spec sheet or decode a serial the way they can for a mainstream excavator, so correct identification runs through the PIN plate and the factory parts catalog rather than a memorized capacity table. For an active forestry operation, verified PIN lookup, dealer parts cross-reference, and machine-specific fluid and torque data carry more weight than a published brochure number, and a unit with clean service history holds real value on resale precisely because that history is hard to find anywhere else.

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 2748 specifications

Engine

ConfigurationTurbocharged inline-6 diesel (confirmed from factory parts breakdown: single turbocharger, dry exhaust manifold, 6-cylinder head with 6 injector sleeves). Exact engine model, displacement, gross/net power, and emissions tier are not published in any available spec sheet for this machine.

Weights

Operating weightNot documented in available spec sources — verify with your dealer.

Dimensions

Log loader armOffered with two boom-arm length options per factory parts breakdown, roughly 7.8 m and 8.5 m; transport length/width/height, track gauge, and ground clearance are not documented in available spec sources.

Performance

Configuration notesMachine is a track-mounted forestry log loader/swing machine with dual heavy-duty track assemblies, a transmission and mounting group, a dozer-blade arrangement, hydraulic grapple, and hydraulic rotator, per the factory parts breakdown. Travel speed and other performance figures are not documented in available spec sources.

Service capacities (summary)

CapacitiesFuel tank, hydraulic system, engine oil, and cooling system capacities are not documented in available spec sources — verify with your dealer or the factory operation and maintenance manual.

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

2748 fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter) - Cat C7 dieselNot published for the 2748 in any available spec sheet or dealer document. Verify the exact crankcase-with-filter fill against the machine's OMM or SIS before a service fill.Cat DEO-ULS diesel engine oil (Cat DEO where ultra-low-sulfur fuel compliance is not required). Multigrade 15W-40 covers general ambient range; drop to Cat DEO Cold Weather 0W-40 or 10W-30 for sustained sub-freezing starts, per Cat's standard engine-oil viscosity-by-temperature guidance for C7-family engines.
Cooling systemNot published for the 2748 in any available spec sheet or dealer document. Verify with your dealer or the machine's OMM.Cat ELC (Extended Life Coolant), factory premix or concentrate mixed to a 50/50 water/glycol ratio. Cat DEAC (Diesel Engine Antifreeze/Coolant) is the accepted non-ELC alternate where ELC service history cannot be confirmed.
Fuel tankNot published for the 2748 in any available spec sheet or dealer document. Verify with your dealer or the machine's OMM.Ultra-low-sulfur No. 2 diesel meeting ASTM D975 (or equivalent EN 590 diesel outside North America); biodiesel blends up to B20 are acceptable per Cat's general diesel-engine fuel guidance, provided the blend meets Cat's biodiesel fuel-quality specification.
Transmission / power train compartmentNot published for the 2748 in any available spec sheet or dealer document. Verify with your dealer or the machine's OMM.Cat TDTO (Transmission/Drive Train Oil), SAE 30 for warm climates, SAE 10W for cold starts, or Cat TDTO-TMS multigrade where year-round ambient swing is wide. This is the standard fill for Cat powershift transmission and power-train compartments on C7-family forest products machines.
Final drives (each)Not published for the 2748 in any available spec sheet or dealer document. Verify with your dealer or the machine's OMM; track machines of this class typically service each final drive as a separate compartment.Cat TDTO, same grade selection as the power train compartment (SAE 10W for cold weather, SAE 30 for warm climates, or Cat TDTO-TMS multigrade).
Hydraulic system (total, including tank)Not published for the 2748 in any available spec sheet or dealer document. Verify with your dealer or the machine's OMM.Cat HYDO Advanced (SAE 10W, 20W, or 30 depending on ambient temperature) is Cat's preferred fill for machine hydraulic and grapple/rotator circuits. Cat BIO HYDO Advanced is the environmentally-preferred alternate. Use SAE 10W in cold climates, SAE 30 in hot climates, multigrade where the OMM calls for wide-range coverage.
Hydraulic tank (reservoir only)Not published for the 2748 in any available spec sheet or dealer document. Verify with your dealer or the machine's OMM.Same Cat HYDO Advanced / Cat BIO HYDO Advanced fill as the hydraulic system, viscosity selected by ambient temperature per the OMM's cold-weather/hot-weather chart.
Grease (spec only) - pins, bushings, boom, grapple and rotator pivotsNot applicable - grease points are serviced to fitting refusal, not by a fill volume.Cat Advanced 3Moly Grease, NLGI 2, for general medium-load, medium-speed pivot points across an ambient range of roughly -20 to 40 C (-4 to 104 F). Cat Ultra 5Moly Grease is the upgrade choice for the highest-load pivots (grapple, rotator, boom heel) where extreme-pressure, moisture-resistant performance is wanted.

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

Caterpillar 2748 maintenance schedule

Service intervalTasks
Every 50 h
  • Check engine oil level before start-up; top off to the full mark with Cat DEO-ULS
  • Check coolant level at the sight glass and inspect radiator and oil cooler fins for bark and needle packing
  • Grease boom, grapple, and rotator pivot pins with Cat Advanced 3Moly Grease until purge shows at each fitting
  • Drain water and sediment from the primary fuel filter/water separator
  • Walk both tracks; check tension and look for obvious pin or bushing wear
  • Listen for a knock or clunk at swing start and stop as an early swing-bearing check
Every 250 h
  • Change engine oil and filter (Cat DEO-ULS/DEO) and pull an S·O·S oil sample
  • Inspect fuel rail fittings for weeping, a known issue on early C7 builds
  • Check hydraulic oil level and inspect hoses and fittings at the grapple and rotator circuit for chafe or leaks
  • Torque-check swing bearing bolts and check swing gear backlash
  • Clean radiator and oil cooler fins of bark and debris buildup
  • Check and adjust track sag/tension on both sides
Every 500 h
  • Change hydraulic system return and case-drain filter elements
  • Sample transmission/power train (Cat TDTO) oil condition
  • Check final drive oil level in each final drive compartment
  • Check swing drive gearbox oil level and condition
  • Torque-check boom, stick, grapple, and rotator pin retainer hardware
  • Inspect wiring harness and connectors at boom, swing frame, and undercarriage pivots for chafe or corrosion
Every 1,000 h
  • Change transmission/power train (Cat TDTO) oil and filter
  • Change final drive oil in each final drive
  • Replace primary and secondary fuel filters
  • Dial-indicator check of swing bearing play at multiple points around the circumference
  • Test grapple and rotator circuit relief valve settings
  • Sample coolant (Cat ELC) condition and check inhibitor/extender level
Every 2,000 h
  • Change swing drive gearbox oil
  • Measure undercarriage wear on both tracks: pins, bushings, and sprockets
  • Test HEUI fuel system pressure and injector return flow on the C7
  • Inspect turbocharger and air intake system for leaks or wear
  • Replace hydraulic oil, or verify extended service life via S·O·S sampling, and clean the hydraulic tank strainer
  • Re-torque swing bearing bolts as a full set
Every 4,000 h
  • Replace coolant (Cat ELC) at the extended-life interval or every 3 years, whichever comes first
  • Plan a mid-life undercarriage rebuild with sealed-and-lubricated bushings once wear approaches limits
  • Rebuild or replace the swing bearing and swing drive as a unit if play or gear wear is confirmed
  • Overhaul or replace the C7 HEUI pump and injectors as a set once oil-sample iron trend confirms wear
  • Recondition or replace grapple and rotator cylinders, valves, and hoses per accumulated wear and leak pattern

Servicing the 2748 beyond the schedule

Predictive Maintenance & Fluid Analysis

Run S·O·S oil sampling on the C7 engine at every oil change; a rising iron trend is the earliest warning of HEUI pump thrust-bearing wear before it contaminates injectors. Sample coolant on the same cycle to catch water pump and thermostat issues shared across the 2748/2948/584 C7 family before they surface as an overheat event. Track undercarriage wear readings and swing bearing play with a dial indicator on a fixed schedule rather than waiting for a knock at swing start-stop.

Corrective & Common Repairs

Most field repairs on the 2748 trace to three areas: HEUI injectors following pump wear, weeping fuel rail fittings on early C7 builds, and blown grapple/rotator hoses from swinging a partially supported log. Check relief valve settings before assuming a valve or cylinder is bad. A hesitant or one-directional swing is often a stuck pilot shuttle valve, not the swing bearing itself. Chafed harness runs at boom and swing-frame pivots cause more phantom fault codes than actual sensor failures.

Overhaul & Rebuild Points

Swing bearing and swing drive wear is the costliest item owners defer; schedule a bolt-torque and bearing-play check well ahead of end-of-service-life rather than after a clunk develops. Sealed-and-lubricated undercarriage bushings hold up better than open designs under forestry pivot-turn duty and are the standard rebuild choice at mid-life. Overhaul the HEUI pump and injectors as a set once oil-sample iron trends confirm wear, rather than chasing one cylinder at a time.

Seasonal & Environment Servicing

Bark, needle, and dirt packing in the radiator and oil cooler fins accelerates overheating faster on the 2748 than on machines running a cleaner duty cycle; clean fins on a shortened interval through peak harvest season. Switch engine and hydraulic oil viscosity with the ambient swing (Cat DEO Cold Weather 0W-40 and Cat HYDO Advanced 10W for cold starts, heavier grades for sustained heat). Grease grapple and rotator pivots more often in wet, abrasive bark-yard conditions to protect seal life.

2748 common service parts

Part numberPart
112-6523Insert-Fuel FilterCheck fitment →
1R-0751Filter-FuelCheck fitment →
220-8678Seal-RingCheck fitment →
326-1644Filter As-Water Sep & FuelCheck fitment →
338-2962Filter-OilCheck fitment →

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

2748 fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
E360Low engine oil pressure event, with warning, derate, and shutdown severity levelsLow oil level, worn or failing oil pump, plugged oil filter, or a faulty oil pressure sensor/circuitStop and check oil level and filter condition immediately; do not continue running once the shutdown level triggers
E361High engine coolant temperature event, with warning, derate, and shutdown levels (roughly 108C warning / 111C derate-shutdown on the C7)Low coolant level, blocked radiator core, slipping or failed fan drive, or a faulty coolant temperature sensorCheck coolant level and radiator for debris, verify fan operation, reduce load and let engine cool before restarting
E362Engine overspeed event, warning and shutdown levels around 2600 rpm defaultHydraulic pump or driveline overrunning the engine (e.g. downhill travel), throttle linkage or governor faultReduce throttle/load immediately, inspect governor and linkage if the event recurs without an obvious operating cause
E198Low fuel pressure event, warning and derate levelsClogged primary or secondary fuel filter, air entrainment in the fuel system, or a weak fuel transfer pumpCheck and replace fuel filters, inspect fuel lines and priming pump for leaks or air ingress
E2143Low engine coolant level eventCoolant leak in the cooling system, or a faulty coolant level sensor/floatVisually inspect for leaks, top up coolant to the correct level, and verify the level sensor if the code persists after topping up
34Loss of engine speed/timing signal (flash/diagnostic code, not an event code)Failed primary engine speed/timing sensor or damaged wiring/connector at the sensorInspect the speed/timing sensor and its wiring harness for damage, corrosion, or a loose connector
24Engine oil pressure sensor circuit fault (open or short)Damaged sensor, chafed wiring, or a corroded connector at the oil pressure sensorCheck sensor wiring and connector for damage or corrosion, test sensor per the engine service manual before replacing
51Intermittent battery power supply to the ECMLoose or corroded battery cable connections, faulty ECM power relay, or chafed main harness wiringCheck battery terminals and main power/ground connections at the ECM, clean and retorque before further diagnosis

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

2748 attachments & work tools

Model not verifiable

No Caterpillar dealer page, factory spec sheet, attachment guide, or equipment database lists a forest products machine designated "2748." Current Cat forest machine lines run FM528/538/548/558/568 (swing machines, general forestry/log loader configs) and separate forwarder/harvester/skidder series; none carry a 2748 designation.

Only trace of "2748" found

The single occurrence found ties "2748" to an aftermarket water-pump cross-reference listing alongside "2948" and "584," mixed in with other numeric codes. This reads as a parts cross-reference artifact, not confirmation of a distinct machine model, and cannot be used to infer attachment or work-tool compatibility.

Recommendation

Verify the exact model designation from the machine's serial/PIN plate before sourcing attachments. If the machine is actually a Cat forest products swing machine or log loader (e.g., an FM5xx series or a legacy 200-series unit), attachment guides for that confirmed model should be pulled instead — grapple, delimber, and saw head compatibility, coupler type, and hydraulic kit requirements are all model-specific and cannot be assumed from an unverified designation.

All 2748 assemblies by section

Every catalogued assembly group for the Caterpillar 2748. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Air Inlet And Exhaust System
333-8330 Air Cleaner Gp
11***38Bracket-Mounting2
17***02Clamp1
20***90Clamp As-Band; (T-Bolt)2
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338-2889 Air Cleaner Gp
06***70Cap1
13***28Cover As1
13***29Valve-Dust; (Air Cleaner)1
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153-1794 Cover Gp-Air Inlet
15***94Cover Group-Air Inlet; -Engine1
1U***46Sealant (For Locations A)0
20***69Cover-Air Inlet1
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137-5182 Elbow Gp-Air Inlet
333-8580 Lines Gp-Air
20***35Hose1
20***78Clamp-Tbolt6
25***33Clamp2
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183-6845 Manifold Gp-Exhaust -Dry
17***98Bolt-Flange Head; (M10x1.5-Thd)8
18***45Manifold Group-Exhaust; -Dry1
18***54Manifold-Exhaust; (Center)1
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333-8540 Muffler Gp
1W***31Clamp-Band; -Turbo Exhaust-Exhaust1
20***26Clamp1
24***64Clamp-Muffler2
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151-0864 Plug Gp-Air Inlet Manifold
15***64Plug Group-Air Inlet Manifold1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
9S***05Plug-O-Ring; (Straight Thread O-Ring)1
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325-3756 Turbocharger Gp
25***98Turbocharger Group1
32***56Turbocharger Group1
3E***17Locknut; (M10x1.5-Thd)(Spiralock)4
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250-7698 Turbocharger Gp
13***02Clamp As; (Turbine)(Turbine)1
15***72Clamp As; (Compressor)1
24***60Hose; (63-cm)(Wastegate)0
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Basic Engine
238-4738 Belt Tensioner Gp
22***09Belt Tensioner1
23***38Belt Tensioner Group1
8T***21Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm)1
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212-4289 Camshaft Gp
10***94Plate-Thrust1
1B***05Key; (Woodruff)1
21***88Camshaft As1
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4w-3462 Carrier Gp-Seal
23***83Gasket1
24***76Seal1
2W***46Cover1
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229-8841 Cover Gp-Cylinder Block
11***18Bolt As; (M8x1.25x16-mm)4
1U***46Sealant (For Locations A)0
21***21Stud; (M8x1.25-Thd)1
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211-9120 Cover Gp-Front Housing
12***57Washer; (10.85x19.3x1.27-mm Thk)2
13***22Stud2
16***76Cover As-Front1
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172-8732 Cover Gp-Front Housing
06***55Seal-O-Ring (Id=47.22mm)1
17***32Cover Group-Front Housing1
5C***61Nut (M8x1.25 Thd); (M8x1.25 Thd)2
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261-3721 Cover Gp-Valve Mechanism
09***49Bolt; (M8x1.25x40-mm)13
26***21Cover Group-Valve Mechanism1
27***88Seal-Valve Cover; (Valve Mechanism Base)1
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210-5590 Crankshaft Gp
10***08Bearing-Main; (Standard)6
14***62Bearing; (0.25mm Undersize)0
14***64Bearing; (0.5mm Undersize)0
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305-8141 Cylinder Block Gp
10***04Sleeve-Cylinder0
21***86Bearing-Sleeve; (Camshaft)1
26***74Cylinder Block Group1
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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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221-4482 Cylinder Block Gp
1W***07Sleeve2
22***82Cylinder Block Group1
30***41Cylinder Block Group1
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314-4184 Cylinder Head As
22***00Sleeve-Injector6
23***85Insert-Valve Seat; (Standard)(Exhaust)6
26***57Insert-Valve Seat; (Standard)(Inlet)12
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219-5847 Cylinder Head Gp
1N***99Plug-O-Ring; (Straight Thread)2
21***66Seal-O-Ring; (Engine Oil)1
21***47Cylinder Head Group1
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300-9550 Cylinder Head Gp
13***83Retainer-Spring6
13***15Seat-Valve Spring6
13***18Spring-Valve; (Exhaust)6
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219-5849 Cylinder Head Gp
13***95Gasket-Cylinder Head1
13***52Bolt-12 Point Head; (M20x2.5x170mm)1
14***89Fastener Group-Cylinder Head14
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241-4101 Damper Gp
16***21Damper Assem.1
22***21Spacer; (101.5x167x8-mm Thk)1
24***01Damper Group1
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333-8327 Drain Gp-Engine Oil
14***11Plug Group1
23***80Seal-O-Ring1
30***15Adapter As1
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7c-4566 Drain Gp-Engine Oil
11***19Plug-Magnetic; (Engine Oil Pan Drain)1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
7C***66Drain Group-Oil Pan; -Magnetic Plug1
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258-8723 Fastener Gp-Cylinder Head
22***44Clip3
24***00Spring11
25***23Fastener Group-Cylinder Head; -Valve Cover Base1
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213-1630 Fastener Gp-Front Cover
21***30Fastener Group-Front Cover1
6V***17Bolt; (M8x1.25x30-mm)(Location Z)12
8T***00Bolt (M8x1.25x60mm); (M8x1.25x60-mm)2
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116-4556 Fastener Gp-Front Housing
11***56Fastener Group-Front Housing; (Housing)1
5P***45Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate)6
6V***36Bolt; (M12x1.75x70-mm)6
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113-6170 Fastener Gp-Lifting -Engine, Rear
11***70Fastener Group-Lifting; -Engine, Rear1
8T***21Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm)3
8T***36Capscrew; (Hex Hd) (M10 X 1.50 X 25l Gr 10.9)3
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273-2716 Flywheel Gp
1W***64Gear-Flywheel Ring; (126-Teeth)1
20***82Flywheel As1
27***16Flywheel Group1
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205-1321 Gear Gp-Front
11***69Plate-Thrust1
11***72Bearing1
11***19Plate-Retaining1
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132-2106 Housing Gp-Flywheel
13***06Housing Group-Flywheel1
6V***42Bolt (M10x1.50x40mm)2
7C***33Housing-Flywheel1
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165-4446 Housing Gp-Front
16***46Housing Group-Front1
1U***46Sealant (For Locations A)0
24***59Housing-Front1
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139-4081 Lifter Gp-Valve -Mechanism
13***81Lifter Group-Valve; -Mechanism1
13***84Spacer; (15.9x24x6-mm Thk)2
13***76Shaft As-Lifter1
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153-5417 Lifting Gp-Engine
15***17Lifting Group-Engine1
15***96Plate-Lifting; (Rear)1
8T***21Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm)1
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239-5924 Manifold Gp-Cylinder Block
14***07Plug; (Hex Head) (-6 Orb) (Current) (16***35 Friction Disc Interchangeable With 11***47) (Use All Of One Part Number)3
22***96Manifold-Oil; (Engine)1
23***24Manifold Group-Cylinder Block1
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333-3850 Mounting Gp-Engine
18***83Nut-Hex Flange; (M12x1.75-Thd)6
20***95Spacer; (15x25x5-mm Thk)8
33***50Mounting Group-Engine1
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152-5013 Mounting Gp-Fan Drive
15***13Mounting Group-Fan Drive1
25***23Support As; (Fan)1
7E***13Bracket1
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317-5412 Mounting Gp-Refrigerant Compr
12***40Support-Alternator1
21***01Sleeve; (Split)2
24***59Support1
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126-5931 Pan Gp-Oil -Engine
12***31Pan Group-Oil; -Engine1
14***09Plug As-Sto2
16***77Plug As1
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212-3652 Piston & Rod Gp
19***53Ring-Piston; (Intermediate)1
19***71Pin-Piston1
19***72Retainer-Pin2
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159-0303 Plug Gp-Cylinder Block
15***03Plug Group-Cylinder Block; (Cylinder Block)1
3D***24O-Ring - For Oil Drain & Level Plug (Items 3 & 7)2
6F***62Washer,Flat Transmission Oil Cooler1
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162-8068 Plug Gp-Engine -Oil Gallery
14***95Plug As1
16***68Plug Group-Engine; -Oil Gallery1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
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280-6846 Plug Gp-Engine -Engine Oil
18***63Plug Group1
28***46Plug Group-Engine; -Engine Oil1
3J***54Packing,Preformed Part Of Kit P/N 5r***271
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121-0802 Plug Gp-Flywheel Housing
12***02Plug Group-Flywheel Housing1
2P***94Plug-Sealing1
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217-8985 Pulley Gp-Crankshaft
21***85Pulley Group-Crankshaft1
21***94Pulley; (8-Groove)1
2W***81Plate-Clamp; (Pulley Clamp)1
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253-9319 Pulley Gp-Idler
15***00Bolt; (M10x1.5x54.25-mm)1
16***58Cover; (Dust)1
17***98Pulley As-Idler; (8-Groove)1
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256-3834 Rocker Arm Gp -Inlet
25***34Rocker Arm Group; -Inlet1
25***35Rocker Arm As; (Inlet)1
26***24Screw-Valve Adjustment; (M10x1.5-Thd)1
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256-3831 Rocker Arm Gp -Exhaust
25***31Rocker Arm Group; -Exhaust1
25***32Rocker Arm As; (Exhaust)1
26***24Screw-Valve Adjustment; (M10x1.5-Thd)1
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122-8929 Seal Gp-Crankshaft
12***29Seal Group-Crankshaft1
24***39Seal-Crankshaft; (Front)(Front)1
7C***71Seal Group-Crankshaft; (Rear)(Rear)1
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256-3830 Valve Mechanism Gp
13***17Spring5
13***98Shaft Assem.1
13***02Stand; (End)1
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232-3717 Valve Mechanism Gp
13***81Lifter Group-Valve; -Mechanism3
21***09Bridge-Valve6
23***54Clip1
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Cooling System
338-2935 Cooler Gp
18***43Locknut; (M10x1.5-Thd)20
28***94Adapter2
2P***73Cock-Drain; (Water Separator)1
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117-3643 Cooler Gp-Engine Oil
11***43Cooler Group-Engine Oil1
23***55Gasket1
26***43Core As-Engine Oil Cooler1
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200-1213 Elbow Gp-Water
19***86Elbow; (Inlet)1
20***13Elbow Group-Water; -Water Pump1
20***58Gasket1
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333-8550 Fan Gp-Suction
15***83Washer-Hard; (8.4x35x2.5-mm Thk)8
33***50Fan Group-Suction1
33***47Fan; (9-Blade)1
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208-2846 Lines Gp-Water
11***23Regulator-Water Temperature; (97-Deg C)(Coolant)2
12***66Gasket1
13***30Housing-Water Regulator1
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208-2848 Plug Gp-Water Lines
20***48Plug Group-Water Lines1
7W***92Plug-Pipe; (1/2-14 Nptf Thd)(Use Without Air Compressor)1
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227-4299 Pump Gp-Water -Coolant
14***88Seal As; (Water Pump)1
17***52Shaft As1
17***58Plug1
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209-4600 Pump Gp-Water -Coolant
14***07Plug; (Hex Head) (-6 Orb) (Current) (16***35 Friction Disc Interchangeable With 11***47) (Use All Of One Part Number)1
14***09Plug As-Sto1
14***11Plug Group1
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333-3775 Radiator Gp
10***29Hose; (60-cm)0
15***83Washer-Hard; (8.4x35x2.5-mm Thk)18
17***94Bolt; (M8x1.25x16-mm)1
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338-3155 Tank Gp-Expansion
33***55Tank Group-Expansion1
35***86Hose; (Vent)1
35***87Hose2
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Electrical And Starting System
333-8420 Alternator Gp-Charging
12***58Pulley-Alternator; (8-Groove)1
21***22Belt-Serpentine1
33***20Alternator Group-Charging1
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333-3898 Battery & Wiring Gp
15***20Battery; (12-Volt)(12-Volt)2
16***82Switch As-Disconnect1
1M***19Bolt; (5/16-18x1.375-In)(5/16-18x1.375 In)1
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241-7602 Control & Mtg Gp-Engine Elek
10***28Spacer-Special; (12.7x26x28.7-mm Thk)4
13***00Clip; (Tab)1
14***92Stud; (M8x1.25-Thd)4
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333-3888 Electrical Ar
33***70Wiring Group-Rear1
33***80Wiring Group-Front1
33***88Electrical Ar1
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142-8333 Fastener Gp-Ground Stud
14***33Fastener Group-Ground Stud1
5P***70Nut-Hard; (M8 X 1.25)1
6V***64Washer-Hard; (8.8x25.5x5-mm Thk)1
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345-0807 Heater Gp-Jacket Water
34***07Heater Group-Jacket Water1
35***04Timer; (24-Volt)1
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223-9664 Lamp Gp-Flood
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
14***82Screw; (7.4x20-mm)2
16***56Bracket; (Lamp Retaining)1
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219-6485 Lamp Gp-Flood
16***56Bracket; (Lamp Retaining)1
17***91Bracket Assem.1
17***92Body Assem.1
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319-7380 Lamp Gp-Flood -Hid
22***74Bezel; (Hid)1
29***60Lamp; (24-Volt, Hid)1
29***43Lens1
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333-3808 Lighting Gp-Flood
17***36Nut-Hex Flange; (M8x1.25-Thd)(M8x1.25)13
31***80Lamp Group-Flood; -Hid10
33***08Lighting Group-Flood1
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333-3803 Lighting Gp-Flood
17***36Nut-Hex Flange; (M8x1.25-Thd)(M8x1.25)13
21***85Lamp Group-Flood; -24-Volt-Front2
22***64Lamp Group-Flood8
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344-0035 Panel Gp-Circuit Breaker
338-2891 Panel Gp-Circuit Breaker
333-3848 Preheater Gp-Machine
03***31Elbow-To Tube As1
12***49Lockwasher1
18***14Nut; (1-11/16-18-Thd)1
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333-3823 Preheater Gp-Machine
03***31Elbow-To Tube As5
06***55Elbow1
10***73Clip1
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352-1490 Sensor Gp-Engine
16***61Plug As1
18***06Plug As; (High Temperature)1
18***63Plug Group1
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266-8650 Sensor Gp-Pressure
21***66Seal-O-Ring; (Engine Oil)1
26***50Sensor Group-Pressure; -Intake Manifold Air1
27***93Sensor Group-Pressure; (Water Jacket Outlet)1
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239-2396 Sensor Gp-Pressure
19***25Sensor Group-Pressure; -Engine Oil1
21***66Seal-O-Ring; (Engine Oil)1
23***96Sensor Group-Pressure; -Engine Oil, Fuel1
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276-9067 Sensor Gp-Pressure
21***66Seal-O-Ring; (Engine Oil)1
23***27Plug As-Connector; (3-Pin)1
27***19Sensor Group-Pressure; (Engine Block Oil Inlet)1
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303-3357 Sensor Gp-Pressure
29***60Sensor Group-Pressure1
30***57Sensor Group-Pressure; -Atmospheric, . Spring1
6V***49Seal-O-Ring (Id=11.89mm); (11.89-mm Id)1
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194-6725 Sensor Gp-Pressure
15***60Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness)1
18***40Socket-Connector; (14-Ga To 18-Ga)(14-Ga To 18-Ga)3
19***25Sensor Group-Pressure; -Engine Oil1
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267-1402 Sensor Gp-Pressure
21***67Seal-O-Ring1
24***69Sensor Group-Pressure1
26***02Sensor Group-Pressure; -Injection Actuation1
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236-6221 Sensor Gp-Speed -Engine Timing
23***21Sensor Group-Speed; -Engine Timing1
24***30Sensor Group-Speed; -Engine Timing1
3P***47Seal-O-Ring (Id=13.94mm); (13.949mm Id)2
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234-5012 Sensor Gp-Temperature
23***12Sensor Group-Temperature; -Coolant, Water1
25***53Sensor As-Temperature; (Torque Converter Outlet Oil)1
6V***09Seal-O-Ring (Id=16.36mm); (16.36-mm Id)1
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234-5013 Sensor Gp-Temperature
118-7284 Starting Aid Gp -Air Inlet Heater
11***84Starting Aid Group; -Air Inlet Heater1
15***37Heater As-Air Inlet; (22-Volt, 1892-Watt)(Starting Aid)1
1U***46Sealant (For Locations A)0
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207-1541 Starting Motor Gp-Electric
03***23Bolt; (1/4-28x1-In)5
10***02Housing As1
20***41Starting Motor Group-Electric1
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132-1418 Starting Motor Gp-Electric
10***08Bolt (M10x1.5x35mm); (M10x1.5x35-mm)3
13***18Starting Motor Group-Electric1
13***30Wire As1
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172-8660 Switch Gp-Liquid Level
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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209-5582 Switch Gp-Magnetic
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
20***82Switch Group-Magnetic; -Starting Aid Heater Relay-Air Inlet Heater Relay1
3F***56Lockwasher; (8.43x15.5x0.76mm Thk)2
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298-3802 Switch Gp-Push Button
10***06Receptacle Kit; (Includes Wedge And Receptacle Assem.)1
10***07Switch-Operator; (Secondary Stop Push Button)1
11***14End-Wire; (18-Ga)8
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342-9299 Wiring Gp-Cab
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
12***07Screw-Hex Socket; (M4x0.7x20-mm)8
15***79Nut; (U-Type Retainer)8
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333-7804 Wiring Gp-Cab
10***04Kit-Receptacle; (4-Pin)(Start Switch)1
11***87Start Switch Assembly; (Key)(Engine)1
11***11Socket-Auxiliary Power; (12-Volt)(Power Port)2
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352-3581 Wiring Gp-Engine
10***20Plug As-Connector; (2-Pin)1
10***01Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)1
10***02Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)1
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333-8590 Wiring Gp-Engine
17***36Nut-Hex Flange; (M8x1.25-Thd)(M8x1.25)4
17***20Strap-Dual Clamp2
18***43Locknut; (M10x1.5-Thd)1
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333-3880 Wiring Gp-Front
06***45Clip1
15***50Cable; (00-Ga, Black)(183-cm Each)0
18***34Spacer; (0.438x1x0.5-In Thk)1
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283-7992 Wiring Gp-Heater -Air Inlet Manifold
03***12Terminal-Ring; (2-Ga, 1/4-In Screw)(Circuit Breaker)1
13***43Boot; (Red)(Red)2
19***06Strap-Grounding1
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333-3902 Wiring Gp-Horn
33***02Wiring Group-Horn1
33***92Horn As; (24-Volt, Two Tone)1
33***91Harness As-Wiring; (Firewall)1
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333-3905 Wiring Gp-Hydraulic Tank
17***20Strap-Dual Clamp1
18***82Screw-Pan Head; (M6x1x16-mm)2
22***89Plug; (Rocker Switch)(Rocker Switch)1
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333-3870 Wiring Gp-Rear
12***85Plug As-Connector; (1-Pin)1
12***86Receptacle As-Connector; (1-Pin)1
17***36Nut-Hex Flange; (M8x1.25-Thd)(M8x1.25)1
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Engine Arrangement
329-5698 Engine Ar-Complete
11***70Fastener Group-Lifting; -Engine, Rear1
11***56Fastener Group-Front Housing; (Housing)1
11***10Cover Group-Fuel Filter Base1
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331-9851 Engine Ar-Core
11***43Cooler Group-Engine Oil1
16***46Housing Group-Front1
19***61Lines Group-Injector Hydraulic Pump1
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333-3749 Installation Ar-Engine
33***35Compressor & Mtg Group-Refrig1
33***49Installation Ar-Engine1
33***50Mounting Group-Engine1
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Frame And Body
333-3796 Bunk Ar -Standard
33***96Bunk Ar; -Standard1
33***56Gate Group1
33***81Bunk Group; -Standard4
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333-3797 Bunk Ar -Wide
33***97Bunk Ar; -Wide1
33***56Gate Group1
33***81Bunk Group; -Wide4
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333-7781 Bunk Gp -Standard
33***81Bunk Group; -Standard1
34***72Bunk As1
34***68Tube2
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333-8281 Bunk Gp -Wide
33***81Bunk Group; -Wide1
34***72Bunk As1
34***73Bunk As; (Extension)2
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333-3753 Frame Gp-Front -Without Blade
33***53Frame Group-Front; -Without Blade1
33***41Frame As; (Engine End)1
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333-3752 Frame Gp-Front
33***52Frame Group-Front1
33***39Frame As-Front; (Blade)1
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333-3787 Frame Gp-Rear
33***53Frame Group-Front; -Without Blade1
33***87Frame Group-Rear1
33***35Valve & Mtg Group-Steering1
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333-3758 Frame Gp-Rear
33***58Frame Group-Rear1
33***36Frame As1
33***46Frame As; (Extension)1
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333-3901 Guard Gp-Axle -6wd
20***10Bolt-Flange Head12
33***01Guard Group-Axle; -6wd1
34***17Bolt-Flange Head; (M16x2x40-mm)4
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333-3900 Guard Gp-Bottom -8wd
33***00Guard Group-Bottom; -8wd1
33***99Guard; (Front Axle)1
34***17Bolt-Flange Head; (M16x2x40-mm)4
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357-9648 Guard Gp-Bottom
34***15Bolt-Flange Head; (M12x1.75x25-mm)18
34***10Plate1
35***96Guard As1
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338-3000 Guard Gp-Bottom
33***00Guard Group-Bottom1
34***15Bolt-Flange Head; (M12x1.75x25-mm)22
34***10Plate1
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338-3060 Guard Gp-Bottom
33***60Guard Group-Bottom1
34***17Bolt-Flange Head; (M16x2x40-mm)4
34***02Guard As1
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333-3879 Guard Gp-Brush
18***83Nut-Hex Flange; (M12x1.75-Thd)2
20***50Bolt-Shoulder2
23***89Nut-Flange; (1/2-13-Thd)2
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338-3201 Guard Gp-Cab
17***19Lock3
27***71Cam-Latch3
33***01Guard Group-Cab1
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357-5408 Guard Gp-Cylinder
19***19Lockwasher4
35***83Bolt4
35***11Fitting-Grease1
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333-7752 Guard Gp-Lines
33***52Guard Group-Lines1
33***06Band4
34***13Bolt-Flange Head; (M10x1.5x20-mm)4
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358-2015 Guard Gp-Lines
35***77Bolt10
35***97Nut10
35***15Guard Group-Lines1
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333-8433 Guard Gp-Rear
17***19Lock1
27***71Cam-Latch1
33***33Guard Group-Rear1
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333-3750 Hitch Gp-Articulating & Osc
02***87Fitting-Grease; (Universal Joint)2
33***50Hitch Group-Articulating & Osc1
33***05Bearing1
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333-3825 Hitch Gp-Towing
33***25Hitch Group-Towing1
33***97Hitch As1
8T***23Washer-Plated; (22x35x3.5-mm Thk)6
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333-3790 Hood Gp
01***37Clevis-Adjustable1
17***25Pin; (Snap)2
18***83Nut-Hex Flange; (M12x1.75-Thd)2
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333-3820 Ladder Gp
00***00Ring-Snap4
00***39Bearing-Aligning; (Self Aligning)1
17***45Bolt-Shoulder; (M12x1.75x18-mm)4
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333-8545 Lines Gp-Grease
2N***87Elbow-Flared Needed For Customer; (Used Without Brakesaver)2
33***45Lines Group-Grease1
33***53Hose As1
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333-8544 Lines Gp-Grease
02***87Fitting-Grease; (Universal Joint)4
18***34Spacer; (0.438x1x0.5-In Thk)1
33***44Lines Group-Grease1
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333-3762 Link Gp-Steering Frame Lock
28***91Pin2
33***62Link Group-Steering Frame Lock1
34***69Link1
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338-3080 Pin Gp-Hitch -Expandable, Center Top
14***69Bolt; (M36x3x80-mm)1
33***80Pin Group-Hitch; -Expandable, Center Top1
35***96Sleeve1
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338-3079 Pin Gp-Hitch -Expandable, Center Bottom
33***79Pin Group-Hitch; -Expandable, Center Bottom1
35***97Sleeve2
35***99Bolt2
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350-1333 Platform Gp-Service
35***33Platform Group-Service1
35***96Nut4
35***01Washer8
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Fuel System
116-5410 Cover Gp-Fuel Filter Base
11***10Cover Group-Fuel Filter Base1
1P***36Gasket; (Fuel Priming Pump)(Fuel Priming Pump)1
5P***37Washer 5t***54 Plate To 7t***28 Cable As1
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201-5949 Filter Gp-Fuel
11***23Insert-Fuel Filter1
14***38Base As-Fuel Filter1
16***02Bracket1
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282-9942 Filter Gp-Primary Fuel
03***94Connector-Flared1
22***05Filter Group-Water Sep & Fuel1
23***77Hose As1
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224-9105 Filter Gp-Water Sep & Fuel
13***41Pump Group-Fuel Priming; (Hand)1
17***70Filter Group-Water Sep & Fuel; -Primary1
1B***90Bolt; (5/16-18x1.375-In)(Rh Front Cover)1
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174-9570 Filter Gp-Water Sep & Fuel
17***70Filter Group-Water Sep & Fuel; -Primary1
22***78Seal-Ring; (Fuel And Water Sep Filter)1
32***44Filter As-Water Sep & Fuel; (Primary)1
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328-2586 Injector Gp-Fuel
10***07Seal-O-Ring; (Fuel System)1
14***03Seal-O-Ring; (Fuel System)2
14***40Ring-Backup; (37.36mm Od), Flasher Switch; Hazard, Replaces 421164a1, Flasher Switch1
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333-3770 Lines Gp-Fuel
20***98Bolt-Flange Head1
21***34Clamp2
33***70Lines Group-Fuel1
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333-3774 Lines Gp-Fuel
11***28Elbow; (90-Deg)1
12***10Hose-Hydraulic; (190-cm)0
14***90Elbow Group1
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272-5868 Lines Gp-Fuel Filter
03***88Connector-Tube Assembly To Main Relief1
14***33Tube As1
18***08Plug As; (High Temperature)1
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191-0461 Lines Gp-Injector Hyd Pump
19***61Lines Group-Injector Hydraulic Pump1
19***23Adapter Group-Oil Line; -Fuel Injection Pump-Unit Injector Hydraulic Pump1
20***80Hose As1
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222-5900 Pump & Mtg Gp-Unit Inj Hyd
21***68Seal-O-Ring; (11.89-mm Id)1
22***00Pump & Mtg Group-Unit Inj Hydraulic1
22***04Seal-O-Ring; (Unit Injector Hydraulic Pump)1
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268-1840 Pump Gp-Fuel Injection
23***51Bolt-Socket Head; (M8x1.25x65-mm)2
26***40Pump Group-Fuel Injection1
32***86Injector Group-Fuel1
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338-3086 Pump Gp-Fuel Transfer
33***86Pump Group-Fuel Transfer1
35***19Kit-Service1
35***66Rotor1
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333-3886 Pump Gp-Fuel Transfer
10***09Connector1
14***55Elbow As.1
15***52Connector As1
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319-0677 Pump Gp-Unit Injector Hyd
15***36Cartridge1
17***28Seal-O-Ring; (Fuel Transfer Pump)1
1F***60Washer Roll-Over Group To Deck1
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304-0677 Pump Gp-Unit Injector Hyd
17***57Pump Group-Fuel Transfer1
17***28Seal-O-Ring; (Fuel Transfer Pump)1
22***04Seal-O-Ring; (Unit Injector Hydraulic Pump)1
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254-4357 Pump Gp-Unit Injector Hyd
17***57Pump Group-Fuel Transfer1
17***28Seal-O-Ring; (Fuel Transfer Pump)1
22***04Seal-O-Ring; (Unit Injector Hydraulic Pump)1
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295-4777 Pump Gp-Unit Injector Hyd
17***57Pump Group-Fuel Transfer1
17***28Seal-O-Ring; (Fuel Transfer Pump)1
22***04Seal-O-Ring; (Unit Injector Hydraulic Pump)1
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220-6214 Pump Gp-Unit Injector Hyd
16***97Seal3
16***36Bolt-Socket Head; (M5x0.8x18-mm)3
17***44Bolt4
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312-0677 Pump Gp-Unit Injector Hyd
16***36Bolt-Socket Head; (M5x0.8x18-mm)3
17***57Pump Group-Fuel Transfer1
17***28Seal-O-Ring; (Fuel Transfer Pump)1
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205-1306 Regulator Gp-Fuel Pressure
19***38Elbow Assem.0
20***06Name-Plate (Portuguese), Regulator Group-Fuel Pressure1
21***68Seal-O-Ring; (11.89-mm Id)1
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232-0343 Regulator Gp-Fuel Pressure
23***43Regulator Group-Fuel Pressure1
29***20Regulator As; (Fuel Pressure)1
6V***49Seal-O-Ring (Id=11.89mm); (11.89-mm Id)1
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333-3780 Tank Gp-Fuel
15***74Kit-Connecting Plug; (6-Pin)(Cat Electronic Display Harness)1
33***80Tank Group-Fuel1
33***81Gasket1
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333-3760 Tank Gp-Fuel
10***03Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)1
15***60Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness)1
19***65Clip1
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Hydraulic System
357-1065 Bracket Gp-Mounting
35***48Kit-Bracket1
35***49Kit-Seal; (Main Control Valve)3
35***50Kit-Fastener1
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357-1067 Bracket Gp-Mounting
35***78Kit-Bracket; (Main Control Valve)1
35***79Kit-Fastener1
35***49Kit-Seal; (Main Control Valve)4
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357-1063 Bracket Gp-Mounting
35***78Kit-Bracket; (Main Control Valve)1
35***49Kit-Seal; (Main Control Valve)2
35***62Kit-Tie Rod; (Main Control Valve)1
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352-7839 Cover Gp-Valve End
35***39Cover Group-Valve End1
35***40Bolt As1
35***41Plug2
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333-7749 Cylinder & Mtg Gp-Blade
2D***67Fitting-Grease; (Fan Drive)4
33***49Cylinder & Mtg Group-Blade1
33***41Cylinder Group-Blade2
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333-3847 Cylinder & Mtg Gp-Hydraulic
2D***67Fitting-Grease; (Fan Drive)4
33***47Cylinder & Mtg Group-Hydraulic1
33***44Cylinder Group-Hydraulic2
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333-3846 Cylinder & Mtg Gp-Steering
2D***67Fitting-Grease; (Fan Drive)2
33***46Cylinder & Mtg Group-Steering1
33***95Bearing-Aligning4
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338-2941 Cylinder Gp-Blade
33***41Cylinder Group-Blade1
34***17Ring-Guide2
34***20Bearing-Sleeve1
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358-3871 Cylinder Gp-Boom
18***34Nut-Flange; (5/8-18-Thd)2
34***99Cylinder Group-Cab Tilt1
34***37Bolt-Special2
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355-8635 Cylinder Gp-Boom
34***17Ring-Guide2
34***20Bearing-Sleeve2
34***24Bushing1
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345-2399 Cylinder Gp-Cab Tilt
34***99Cylinder Group-Cab Tilt1
35***88Cylinder As1
35***89Rod As1
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333-8549 Cylinder Gp-Cab Tilt
1K***72Locknut Horn To Guard1
33***49Cylinder Group-Cab Tilt1
35***96Kit-Seal1
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357-5419 Cylinder Gp-Extendable Stick
18***16Fitting-Grease2
35***36Kit-Seal1
35***12Cylinder As1
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350-0086 Cylinder Gp-Extendable Stick
35***86Cylinder Group-Extendable Stick1
35***94Sleeve-Stop1
35***95Guide3
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351-6223 Cylinder Gp-Grapple
20***63Fitting-Grease2
35***37Kit-Seal1
35***11Seal1
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351-6226 Cylinder Gp-Grapple
2K***37Nut (National Fine); (3/4-16-Thd)1
35***57Kit-Seal1
35***26Cylinder Group-Grapple1
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338-2926 Cylinder Gp-Hydraulic
33***26Cylinder Group-Hydraulic1
35***58Piston As1
35***59Guide-Rod1
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338-2944 Cylinder Gp-Hydraulic
33***44Cylinder Group-Hydraulic1
35***87Kit-Seal; (Piston)1
35***88Kit-Seal; (Head)(Head)1
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338-2942 Cylinder Gp-Hydraulic
33***42Cylinder Group-Hydraulic1
35***50Rod As1
35***52Kit-Seal; (Rod)1
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338-2945 Cylinder Gp-Steering -Steering, Rh
03***69Setscrew-Socket; (1/4-20x0.38-In)2
33***45Cylinder Group-Steering; (Steering, Rh)(Rh)1
35***88Kit-Seal; (Head)(Head)1
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360-1410 Cylinder Gp-Steering
35***52Kit-Seal; (Rod)1
35***53Kit-Seal; (Bore)1
35***54Locknut1
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338-3026 Filter Gp-Oil
33***85Pump & Mtg Group-Hydraulic1
33***46Cylinder & Mtg Group-Steering1
33***47Cylinder & Mtg Group-Hydraulic1
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333-8555 Hydraulic Ar
17***20Strap-Dual Clamp2
18***43Locknut; (M10x1.5-Thd)4
33***38Lines Group-Hydraulic1
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333-3937 Lines Gp-Blade Cylinder
33***37Lines Group-Blade Cylinder1
34***72Bracket As3
34***73Bracket As2
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358-1587 Lines Gp-Boom
11***70Valve-Check1
12***76Kit-Seal; (Counterbalance Valve)1
33***00Lines Group-Hydraulic; -Cab Tilt1
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357-5406 Lines Gp-Cylinder
35***09Guard1
35***10Plate-Clamp1
35***11Plate-Clamp2
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338-3084 Lines Gp-Cylinder
33***84Lines Group-Cylinder1
35***71Bolt1
35***95Nut1
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358-2321 Lines Gp-Extendable Stick
14***28Connector Assem.2
14***45Connector As2
14***70Elbow, 90°,-8 Orb Swiv. /-8 Orfs2
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350-1374 Lines Gp-Extendable Stick
35***12Plate-Clamp2
35***25Plate4
35***74Lines Group-Extendable Stick1
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338-3100 Lines Gp-Hydraulic -Cab Tilt
14***28Connector Assem.2
14***40Adapter; (Straight) (-8 Orb X -8 Orfs)4
14***54Elbow; (45) (-8/-8 Orb/Orfs)3
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333-8321 Lines Gp-Hydraulic
10***36Hose As1
11***66Seal-O-Ring1
12***11Hose-Hydraulic; (146-cm)0
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333-3938 Lines Gp-Hydraulic
14***27Connector Group1
14***40Adapter; (Straight) (-8 Orb X -8 Orfs)2
14***41Connector Group2
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333-8552 Lines Gp-Hydraulic -Tank Fill
14***68Elbow Group1
14***69Adapter; (90° Elbow Orfs/Orb)1
15***29Tee As2
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333-8331 Lines Gp-Hydraulic
14***27Connector Group1
14***55Union As1
16***09Union As1
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333-8547 Lines Gp-Hydraulic Control
21***34Clamp1
33***87Lines Group-Hydraulic Fan1
33***47Lines Group-Hydraulic Control1
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333-8287 Lines Gp-Hydraulic Fan
15***52Clamp-Half10
33***87Lines Group-Hydraulic Fan1
33***23Lines Group-Hydraulic Oil Cooler1
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333-8282 Lines Gp-Hydraulic Fan
14***15Connector As1
14***27Connector Group1
14***39Connector As.2
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333-8322 Lines Gp-Hydraulic Oil Cooler
11***49Fitting As; (Quick Disconnect)2
1P***79Flange (Half)18
1P***82Flange-Half2
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333-8323 Lines Gp-Hydraulic Oil Cooler
20***96Bolt-Flange Head; (M10x1.5x45-mm)1
33***23Lines Group-Hydraulic Oil Cooler1
33***83Lines Group-Ladder1
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333-8382 Lines Gp-Ladder
14***68Elbow Group1
14***77Elbow As.1
33***82Lines Group-Ladder1
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333-8383 Lines Gp-Ladder
14***40Adapter; (Straight) (-8 Orb X -8 Orfs)1
14***54Elbow; (45) (-8/-8 Orb/Orfs)1
14***64Elbow, 90°,-8 Orb /-8 Orfs1
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333-8548 Lines Gp-Lift Cylinder
15***94Adapter As2
15***44Seal1
16***43Seal1
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333-8572 Lines Gp-Log Loader
08***53Bolt; (1/4-20x0.62-In)2
09***55Breather; (Hydraulic Tank)1
17***05Elbow1
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333-8571 Lines Gp-Log Loader
14***70Elbow, 90°,-8 Orb Swiv. /-8 Orfs1
15***37Tee As.2
29***46Hose As; (Swing Left)1
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333-8319 Lines Gp-Pump
20***96Bolt-Flange Head; (M10x1.5x45-mm)1
33***19Lines Group-Pump1
33***21Lines Group-Hydraulic1
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333-8320 Lines Gp-Steering
12***51Kit-Seal; (Pressure Relief Valve)1
31***60Seal Group3
33***20Lines Group-Steering1
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338-3054 Manifold Gp-Control
33***54Manifold Group-Control1
33***89Pump Group-Gear1
7X***66Capscrew; (Hex Hd) (3/4-10x2 Gd 8 Z) (Current Adapters)4
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333-3890 Pump & Mtg Gp-Hydraulic
1G***88Seal-O-Ring1
33***90Pump & Mtg Group-Hydraulic1
33***87Pump Group-Piston1
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333-3785 Pump & Mtg Gp-Hydraulic
11***77Bolt; (M16x2x65-mm)2
33***85Pump & Mtg Group-Hydraulic1
33***88Pump Group-Hydraulic; (Hydrostatic)1
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333-8377 Pump & Mtg Gp-Hydraulic Fan
09***75Seal - O-Ring (7.80 mm Id)7
09***80Seal-O-Ring (Id=11.80mm)2
09***87Seal-O-Ring (Id=20.80mm)1
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338-3089 Pump Gp-Gear
17***36Nut-Hex Flange; (M8x1.25-Thd)(M8x1.25)4
23***01Valve Group-Check1
2M***80Seal--To Connector Pump Outlet1
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338-3088 Pump Gp-Hydraulic
23***86Kit-Bearing; (Generator Pump)1
23***87Kit-Bearing; (Generator Pump)1
23***73Seal-O-Ring6
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333-8551 Pump Gp-Hydraulic Tank Fill
33***51Pump Group-Hydraulic Tank Fill1
35***07Grill1
35***08Gasket1
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338-3087 Pump Gp-Piston
16***73Sensor-Temperature; (Transmission Gearbox Oil)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
30***06Screw; (M10x1.5x16-mm)8
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338-3090 Pump Gp-Vacuum
33***47Lines Group-Hydraulic Control1
33***83Valve Group-Control1
33***90Pump Group-Vacuum1
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333-8533 Tank Gp-Hydraulic
18***43Locknut; (M10x1.5-Thd)4
33***33Tank Group-Hydraulic1
33***31Valve Group-Steering1
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333-8546 Valve & Lines Gp-Hyd Control
33***46Valve & Lines Group-Hydraulic Control1
35***33Valve Group-Control1
35***34Valve Group-Control1
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333-3935 Valve & Mtg Gp-Steering
33***35Valve & Mtg Group-Steering1
35***49Kit-Shim1
35***50Kit-Repair1
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338-3135 Valve Gp-Blade Control
12***51Kit-Seal; (Pressure Relief Valve)4
14***88Kit-Seal; (Ride Control, Switch)4
14***89Kit-Seal3
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338-3050 Valve Gp-Brake Control
17***00Valve Group-Flow Control; (Pilot Supply)(Inlet)1
17***54Plug1
33***50Valve Group-Brake Control1
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352-7628 Valve Gp-Control
17***85Kit-Seal; (Main Control Valve)1
35***86Bracket Group-Mounting1
35***90Connector As1
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352-7642 Valve Gp-Control
09***41Bolt-Socket Head; (M4x0.7x10-mm)2
13***13Bolt-Socket Head; (M6x1x30-mm)3
17***59Valve Group-Solenoid; (Control Valve)2
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352-7836 Valve Gp-Control
14***88Kit-Seal; (Ride Control, Switch)1
15***38Kit-Valve Seal1
27***38Kit-Seal2
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352-7651 Valve Gp-Control
09***41Bolt-Socket Head; (M4x0.7x10-mm)2
13***13Bolt-Socket Head; (M6x1x30-mm)3
17***59Valve Group-Solenoid; (Control Valve)2
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352-7835 Valve Gp-Control
35***11Valve Group-Control; -Inlet1
35***13Valve Group-Control1
35***81Kit-Seal3
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352-7833 Valve Gp-Control
13***45Seal Kit; (Includes Parts Marked J)1
35***13Coil2
35***14Cartridge2
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352-7648 Valve Gp-Control
09***41Bolt-Socket Head; (M4x0.7x10-mm)2
13***13Bolt-Socket Head; (M6x1x30-mm)3
17***59Valve Group-Solenoid; (Control Valve)2
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352-7650 Valve Gp-Control
22***01Kit-Seal1
35***50Valve Group-Control1
35***26Plug As3
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350-3513 Valve Gp-Control
09***41Bolt-Socket Head; (M4x0.7x10-mm)2
16***37Valve Group-Relief; (Line)1
17***47Kit-Spring; (Control Valve)1
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350-3511 Valve Gp-Control -Inlet
09***41Bolt-Socket Head; (M4x0.7x10-mm)2
16***37Valve Group-Relief; (Line)2
17***47Kit-Spring; (Control Valve)1
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352-7834 Valve Gp-Control
09***41Bolt-Socket Head; (M4x0.7x10-mm)2
13***13Bolt-Socket Head; (M6x1x30-mm)3
17***59Valve Group-Solenoid; (Control Valve)2
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352-7649 Valve Gp-Control
09***41Bolt-Socket Head; (M4x0.7x10-mm)2
13***13Bolt-Socket Head; (M6x1x30-mm)3
17***59Valve Group-Solenoid; (Control Valve)2
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338-2983 Valve Gp-Control
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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338-3132 Valve Gp-Main Control
33***32Valve Group-Main Control1
35***81Valve-Solenoid1
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338-3052 Valve Gp-Pump Control
33***52Valve Group-Pump Control1
35***33Valve Group-Control1
35***36Valve Group-Control1
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338-3053 Valve Gp-Relief
33***53Valve Group-Relief1
34***48Cylinder As-Hydraulic4
34***49Piston4
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338-3131 Valve Gp-Steering
33***31Valve Group-Steering1
34***79Boom As; (Outer)1
34***80Pin1
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Implements
350-1360 Actuator Gp-Rotary
34***90Pad-Wear2
35***41Boom As; (Inner)1
35***42Pin As1
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350-1370 Boom Gp -Outer
34***85Plate2
34***86Plate2
34***87Pad-Wear2
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350-1376 Boom Gp -Inner
34***90Pad-Wear2
35***42Pin As1
35***43Cap1
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358-2460 Boom Gp -Inner
34***92Boom As-Stub1
34***93Bushing2
34***94Bushing-Spacer1
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358-2459 Boom Gp -Outer
34***20Bearing-Sleeve2
34***11Boom As1
34***13Link As1
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350-1366 Boom Gp-Fore
34***17Pin As1
34***27Shim4
35***30Spacer1
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350-1363 Boom Gp-Stub
34***17Pin As1
34***27Shim3
35***30Spacer1
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350-1375 Mounting Gp-Stick
11***28Connector-Hose2
14***26Screw-Flat Head; (6-20x0.75-In)34
15***15Louver As-Vent8
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358-2455 Mounting Gp-Stick
11***32Valve-Expansion1
23***78Grommet2
35***64Probe As1
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Lubrication System
191-0523 Adapter Gp-Oil Line -Fuel Injection Pump
03***27Seal-O-Ring; (19.18mm Id)1
19***22Adapter1
19***23Adapter Group-Oil Line; -Fuel Injection Pump-Unit Injector Hydraulic Pump1
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222-5946 Breather Gp
14***54Bolt; (M8x1.25x105-mm)1
16***10Breather As; (Crankcase)1
22***46Breather Group; -Crankcase1
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7w-8798 Filler Gp-Engine Oil
13***19Seal-Integral; (Integral)1
5L***52Cap Assembly, Including:-; (Engine)1
5P***45Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate)4
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201-9775 Filter Gp-Engine Oil
1R***07Filter As-Engine Oil; (Advanced Efficiency)1
20***74Base As-Oil Filter; (Engine)1
20***75Filter Group-Engine Oil1
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275-7798 Fumes Disposal Gp
20***68Spacer; (11x16x60-mm Thk)1
22***10Hose-Disposal; (Fumes Disposal)1
27***98Fumes Disposal Group1
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238-8178 Gauge Gp-Oil Level (Dipstick) -Engine
17***94Gauge-Oil Level; (Dipstick)(Engine)1
1S***63Plug; (Mounted-Bottom3
23***78Gauge Group-Oil Level (Dipstick); -Engine1
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7c-2475 Lines Gp-Engine Oil
3P***56Seal-O-Ring; (21.82mm Id)2
4W***32Elbow-Outlet1
6V***40Bolt (M8x1.25x25mm); (M8x1.25x25-mm)4
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198-0030 Lines Gp-Turbocharger Oil
18***94Hose As-Oil Supply1
19***30Lines Group-Turbocharger Oil1
21***68Seal-O-Ring; (11.89-mm Id)1
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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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192-2981 Pump Gp-Engine Oil
19***81Pump Group-Engine Oil1
20***97Pump Group-Engine Oil1
6V***15Bolt; (M10x1.5x75-mm)2
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201-9777 Valve Gp-Fluid Sampling
20***77Valve Group-Fluid Sampling; -Engine Oil1
3J***54Packing,Preformed Part Of Kit P/N 5r***271
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain1
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Machine Arrangement
333-3777 Chassis Ar
33***50Hitch Group-Articulating & Osc1
33***58Frame Group-Rear1
33***60Tank Group-Fuel1
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348-3034 Common Ar
32***98Engine Ar-Complete1
33***49Installation Ar-Engine1
33***77Chassis Ar1
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348-3036 Common Ar
32***98Engine Ar-Complete1
33***49Installation Ar-Engine1
33***77Chassis Ar1
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Operator Station
333-8424 Air Conditioner & Mounting Gp
12***45Screw6
22***73Plug2
33***24Air Conditioner & Mounting Group1
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345-3030 Air Conditioner Gp
34***25Cab Group1
34***30Air Conditioner Group1
35***88Bolt; (M8x1.25x22-mm)1
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360-1375 Cab Gp
12***43Spring-Gas1
35***64Strap1
35***69Impellor, Tur Compre, Pin-Hinge2
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344-0025 Cab Gp
33***33Compressor-Refrigerant1
34***25Cab Group1
8T***21Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm)2
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333-3735 Compressor & Mtg Gp-Refrig
12***09Screw-Flat Head; (M10x1.5x20-mm)4
33***35Compressor & Mtg Group-Refrig1
35***64Strap1
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352-4077 Door Gp-Cab -Rh
03***06Seal (Use As Required)1
19***86Adapter As1
20***72Plug As1
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352-4076 Door Gp-Cab -Lh
03***31Elbow-To Tube As2
03***68Elbow2
20***98Bolt-Flange Head1
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333-3765 Lines Gp-Air Conditioner
16***50Sleeve-Abrasion; (100-In Each)0
19***86Adapter As1
26***68Hose; (192-cm)0
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338-2909 Lines Gp-Cab Heater
1Y***13Tee-Pipe1
33***09Lines Group-Cab Heater1
33***17Hose As1
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338-2930 Lines Gp-Heater -Cold Weather
30***45Antenna As; (Sirius Satellite)1
32***12Cable As1
33***43Grommet1
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333-8573 Lines Gp-Heater & Air Cond
11***25Screw-Flat Head; (M6x1x25-mm)3
20***50Bolt-Shoulder1
2J***50Ring-Retaining6
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333-3809 Mounting Gp-Antenna
33***34Trim Group-Cab1
33***54Window Group-Cab1
33***95Mounting Group-Cab1
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333-3795 Mounting Gp-Cab
33***95Mounting Group-Cab1
35***16Button-Push; (Hydraulic Oil Pressure)1
35***17Button-Push; (Turn Left, Right)2
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333-7773 Operator Ar
18***12Bolt; (M20x1.5x52.5-mm)2
18***35Washer2
33***73Operator Ar1
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345-1930 Panel Gp-Control
34***30Panel Group-Control1
35***88Bolt; (M8x1.25x22-mm)147
35***04Washer; (0.344x0.875x0.063-In Thk)147
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338-3078 Pin Gp-Hinge
13***90Bushing; (Radio Mount)1
13***02Sleeve-Trim1
16***18Kit-Receptacle; (8-Pin)1
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357-1691 Plate Gp-Fops
34***46Seat Group-Suspension1
35***91Plate Group-Fops1
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333-3813 Radio Gp
33***13Radio Group1
34***47Seat Group-Suspension1
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333-3817 Seat Gp-Suspension
33***17Seat Group-Suspension1
35***05Headrest1
35***06Adjustment Group-Seat1
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344-0046 Seat Gp-Suspension
34***46Seat Group-Suspension1
35***64Pump-Washer; (24-Volt)3
35***65Grommet3
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344-0047 Seat Gp-Suspension
11***58Washer; (6.5x17x1-mm Thk)90
12***07Screw-Hex Socket; (M4x0.7x20-mm)12
13***92Retainer-Captive36
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333-3816 Seat Gp-Suspension
33***16Seat Group-Suspension1
35***05Headrest1
35***06Adjustment Group-Seat1
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344-0049 Tank Gp-Window Washer
12***07Screw-Hex Socket; (M4x0.7x20-mm)14
34***45Bracket; (Lh)1
34***48Bracket; (Lh)1
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333-3734 Trim Gp-Cab
33***34Trim Group-Cab1
34***38Window; (Rear)1
34***41Window; (Door)(Rh, Lh)2
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333-3815 Visor Gp-Cab
14***95Hose; (650-cm Each)0
17***94Bolt; (M8x1.25x16-mm)10
33***15Visor Group-Cab1
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333-3754 Window Gp-Cab
14***95Hose; (650-cm Each)0
17***94Bolt; (M8x1.25x16-mm)12
33***54Window Group-Cab1
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333-3821 Wiper & Washer Gp-Window -Front, Rear, Side
33***21Wiper & Washer Group-Window; -Front, Rear, Side1
35***90Adapter1
35***91Shaft-Drive1
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333-3819 Wiper & Washer Gp-Window -Front, Rear
33***19Wiper & Washer Group-Window; -Front, Rear1
35***90Adapter1
35***95Blade-Wiper; (26-Inch)1
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345-1676 Wiper Gp-Window -Rear
34***76Wiper Group-Window; -Rear1
35***90Adapter1
35***95Blade-Wiper; (26-Inch)1
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345-1679 Wiper Gp-Window -Front
34***79Wiper Group-Window; -Front1
35***90Adapter1
35***95Blade-Wiper; (26-Inch)1
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345-1680 Wiper Gp-Window -Lh
33***52Frame Group-Front1
33***36Blade Group-Decking1
33***37Lines Group-Blade Cylinder1
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345-1681 Wiper Gp-Window -Rh
2D***67Fitting-Grease; (Fan Drive)2
33***42Pin As2
34***17Bolt-Flange Head; (M16x2x40-mm)2
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Power Train
338-2900 Axle & Mounting Ar
33***44Axle Ar; -Bogie1
33***00Axle & Mounting Ar1
34***80Bolt; (M30x3.5x250-mm)4
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338-2895 Axle & Mtg Ar-Front
33***66Axle Ar-Front; -Bogie1
33***95Axle & Mtg Ar-Front1
34***80Bolt; (M30x3.5x250-mm)4
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333-3844 Axle Ar -Bogie
33***44Axle Ar; -Bogie1
34***10Differential Group1
34***11Axle Group-Fixed1
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333-3773 Axle Ar-Fixed
33***73Axle Ar-Fixed1
33***00Guard Group-Bottom; -8wd1
33***95Axle & Mtg Ar-Front1
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333-3772 Axle Ar-Fixed -Front
33***72Axle Ar-Fixed; -Front1
33***01Guard Group-Axle; -6wd1
33***93Axle Group-Fixed; -Front1
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333-3766 Axle Ar-Front -Bogie
33***66Axle Ar-Front; -Bogie1
34***85Axle Group-Fixed1
34***27Differential Group1
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333-3755 Axle Ar-Rear -Bogie
33***55Axle Rear Axle; -Bogie1
34***27Differential Group1
34***31Axle Group-Fixed1
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348-2412 Axle Gp
34***53Cover6
34***54Shaft6
34***56Bushing-Spacer6
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333-3811 Axle Gp-Fixed -Front
33***11Axle Group-Fixed; -Front1
34***35Differential & Bevel Gear Group1
34***37Axle Group-Fixed; -Front1
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348-2411 Axle Gp-Fixed
33***28Shaft-Gear; (17-Teeth)1
34***21Cap10
34***24Ring-Scraper1
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357-0165 Axle Gp-Fixed
34***90Cylinder Group-Brake1
34***41Disc6
34***42Disc-Friction6
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356-4448 Axle Gp-Fixed
34***16Shaft-Sun Gear1
34***21Cap4
34***24Ring-Scraper1
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343-8837 Axle Gp-Fixed -Front
34***90Cylinder Group-Brake1
34***41Disc6
34***42Disc-Friction6
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357-0478 Axle Gp-Fixed
33***29Shaft-Gear; (17-Teeth)1
34***21Cap5
34***24Ring-Scraper1
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338-2893 Axle Gp-Fixed -Front
33***11Axle Group-Fixed; -Front1
33***93Axle Group-Fixed; -Front1
34***80Bolt; (M30x3.5x250-mm)4
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356-0049 Axle Gp-Fixed
34***16Shaft-Sun Gear1
34***21Cap4
34***24Ring-Scraper1
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341-9485 Axle Gp-Fixed
34***85Axle Group-Fixed1
34***16Shaft-Sun Gear1
34***21Cap4
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341-9631 Axle Gp-Fixed
34***16Shaft-Sun Gear1
34***21Cap4
34***24Ring-Scraper1
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341-9654 Axle Gp-Front
34***54Axle Group-Front1
34***53Cover6
34***54Shaft6
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338-2894 Bogie Gp-Rear
33***55Axle Rear Axle; -Bogie1
33***94Bogie Group-Rear1
34***80Bolt; (M30x3.5x250-mm)4
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343-8850 Case Gp-Transmission
34***40Fork1
34***50Case Group-Transmission1
34***56Sensor; (Transmission)2
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348-2415 Cylinder Gp-Brake -Lh
34***82Cap1
34***83Housing-Main1
34***84Piston1
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341-9490 Cylinder Gp-Brake
34***90Cylinder Group-Brake1
34***82Cap1
34***83Housing-Main1
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348-2416 Cylinder Gp-Brake -Rh
34***82Cap1
34***83Housing-Main1
34***84Piston1
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343-8927 Cylinder Gp-Gearshift
34***70Piston1
34***71Housing-Cylinder1
34***75Cap1
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343-8835 Differential & Bevel Gear Gp
33***21Case1
34***91Kit-Shim1
34***00Kit-Shim2
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348-2410 Differential Gp
33***06Kit-Bushing1
34***91Kit-Shim1
34***09Set-Yoke1
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341-9627 Differential Gp
34***91Kit-Shim1
34***99Housing-Differential1
34***00Kit-Shim2
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343-8838 Drive Gp-Final
34***27Plate-Lock8
34***28Shaft-Gear1
34***29Hub-Wheel1
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341-9655 Drive Gp-Final
34***55Drive Group-Final1
34***27Plate-Lock8
34***32Seal1
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348-2413 Drive Gp-Final
34***32Seal1
34***33Ring1
34***73Nut-Spanner; (M85x2-Thd)1
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333-7750 Drive Gp-Pump
1L***09Screw,Cap,Socket He Housing Mtg8
33***50Drive Group-Pump1
33***85Coupling-Pump1
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343-8854 Gear Gp-Transfer
34***54Gear Group-Transfer1
34***65Kit-Shim1
34***73Shaft-Gear1
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343-8830 Gear Gp-Transfer
34***30Gear Group-Transfer1
34***36Shaft-Pinion1
34***42Gear Set1
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343-8839 Gear Gp-Transfer
34***39Gear Group-Transfer1
34***41Shaft-Pinion; (22-Teeth)1
34***55Gear Set1
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333-3940 Lines Gp-Differential Lock
03***14. Bolt; Socket, Screw (On Left Side Of Seat Frame Plate)4
13***18Fitting Group-Tube3
15***06Connector As; (M14x1.5 To 11/16-16, 90-Deg)10
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333-3941 Lines Gp-Differential Lock
11***27Hose Assem.1
12***41Hose As1
13***98Connector1
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333-3939 Lines Gp-Differential Lock
14***28Connector Assem.1
14***36Adapter; (Straight) (-6 Orb X -6 Orfs)2
14***40Adapter; (Straight) (-8 Orb X -8 Orfs)3
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333-8288 Lines Gp-Hydrostatic
33***88Lines Group-Hydrostatic1
33***02Lines Group-Hydrostatic; -Hystat Propel1
33***98Hose As2
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333-8302 Lines Gp-Hydrostatic -Hystat Propel
13***25Flange-Split8
14***17Adapter, -12 Orb / -16 Orfs1
14***35Connect Group; (Each Includes)2
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333-3771 Motor & Mtg Gp-Propel
30***29Bolt; (M20x2.5x55-mm)4
33***71Motor & Mtg Group-Propel1
33***57Motor Group-Piston1
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338-3200 Motor Gp-Piston
18***83Nut-Hex Flange; (M12x1.75-Thd)2
33***55Motor Group-Piston1
33***00Motor Group-Piston1
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338-3057 Motor Gp-Piston
10***85Seal-O-Ring (6.07mm Id)6
11***16Seal-O-Ring1
13***76Seal-O-Ring2
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338-3055 Motor Gp-Piston
1L***68Ring-Retaining1
20***93Kit-Seal1
20***94Seal; (Shaft)1
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348-2414 Planetary Gp-Final Drive
34***65Pin4
34***66Carrier-Planetary1
34***14Planetary Group-Final Drive1
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333-7774 Power Train Ar
33***71Motor & Mtg Group-Propel1
33***99Transmission & Mounting Group1
33***22Shaft Group-Drive1
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333-7753 Power Train Ar
33***71Motor & Mtg Group-Propel1
33***22Shaft Group-Drive1
33***90Pump & Mtg Group-Hydraulic1
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338-2950 Shaft Gp-Drive
33***50Shaft Group-Drive1
35***02Shaft1
35***03Nut-Castle2
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343-8886 Shaft Gp-Drive
34***59Set-Yoke1
34***61Kit-Shim1
34***69Piston1
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333-3822 Shaft Gp-Drive
33***22Shaft Group-Drive1
33***48Slip Joint Group1
33***49Slip Joint Group2
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333-3800 Tire & Rim Ar
33***57Tire & Rim Group; -Rear4
33***00Tire & Rim Ar1
34***81Tire & Rim Group; -Front2
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333-3740 Tire & Rim Ar
33***40Tire & Rim Ar1
34***02Tire & Rim Group8
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333-3907 Tire & Rim Ar
33***07Tire & Rim Ar1
34***81Tire & Rim Group; -Front2
34***02Tire & Rim Group4
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333-3756 Tire & Rim Ar
33***56Tire & Rim Ar1
33***57Tire & Rim Group; -Rear8
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333-3767 Tire & Rim Ar
33***67Tire & Rim Ar1
34***81Tire & Rim Group; -Front2
34***00Tire & Rim Group4
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333-3759 Tire & Rim Ar
33***59Tire & Rim Ar1
34***00Tire & Rim Group8
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345-2900 Tire & Rim Gp
33***19Wheel; (26.5x24)1
33***65Tire; (750/55-26.5)1
33***70Tube1
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333-3757 Tire & Rim Gp -Rear
33***57Tire & Rim Group; -Rear1
33***78Wheel; (26.5x20)1
33***80Tire; (650/65-26.5)1
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345-2902 Tire & Rim Gp
33***19Wheel; (26.5x24)1
33***66Tire; (750/55-26.5)1
33***70Tube1
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345-2381 Tire & Rim Gp -Front
33***22Wheel; (34x20)1
33***64Tire; (700/70-34)1
33***71Tube1
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333-3830 Track Ar
33***30Track Ar1
34***89Track; (750/55-26.5)(Tire)2
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333-3836 Track Ar -1-Required, Extreme Duty
33***36Track Ar; -1-Required, Extreme Duty1
34***90Track; (750/55-26.5)(Tire)1
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333-3832 Track Ar -2-Required, Extreme Duty
33***32Track Ar; -2-Required, Extreme Duty1
34***90Track; (750/55-26.5)(Tire)2
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333-3833 Track Ar -1-Required, Heavy Duty
33***33Track Ar; -1-Required, Heavy Duty1
34***88Track; (650/65-26.5)(Tire)1
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333-3834 Track Ar -1-Required, Heavy Duty
33***34Track Ar; -1-Required, Heavy Duty1
34***89Track; (750/55-26.5)(Tire)1
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333-3829 Track Ar -2-Required, Heavy Duty
33***29Track Ar; -2-Required, Heavy Duty1
34***88Track; (650/65-26.5)(Tire)2
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333-3799 Transmission & Mounting Gp
33***99Transmission & Mounting Group1
33***51Transmission Group1
34***19Bolt-Flange Head; (M16x2x50-mm)6
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333-8589 Transmission & Mounting Gp
33***45Transmission Group1
33***89Transmission & Mounting Group1
34***19Bolt-Flange Head; (M16x2x50-mm)6
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333-3845 Transmission Gp
33***45Transmission Group1
34***39Gear Group-Transfer1
34***50Case Group-Transmission1
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338-2951 Transmission Gp
33***51Transmission Group1
34***30Gear Group-Transfer1
34***50Case Group-Transmission1
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338-3051 Valve Gp-Solenoid
12***14Kit-Seal1
12***54Kit-Seal1
33***51Valve Group-Solenoid1
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Service Equipment And Supplies
333-3887 Box Gp-Tool
333-7777 Plate & Film Gp
Work Tools
333-3789 Blade Ar
09***97Washer, Spring4
13***12Washer-Spring30
18***83Nut-Hex Flange; (M12x1.75-Thd)4
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333-3936 Blade Gp-Decking
20***26Guard-Hose; (123-cm Each)0
33***36Blade Group-Decking1
33***82Hose As2
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333-7756 Gate Gp
20***26Guard-Hose; (123-cm Each)0
33***56Gate Group1
33***82Hose As2
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333-3783 Grapple Ar
17***34Fitting1
18***16Fitting-Grease6
33***83Grapple Ar1
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344-0392 Grapple Gp
34***92Grapple Group2
34***95Rotator Group-Hydraulic1
34***96Link Group-Grapple1
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344-0399 Grapple Gp
33***71Lines Group-Log Loader1
34***99Grapple Group1
34***91Loader Group-Log1
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344-0398 Grapple Gp
15***44Nut1
34***98Grapple Group1
35***12Damper1
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344-0393 Grapple Gp
34***93Grapple Group2
34***95Rotator Group-Hydraulic1
34***96Link Group-Grapple1
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333-3786 Grapple Gp
20***63Fitting-Grease6
33***86Grapple Group1
35***26Cylinder Group-Grapple1
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344-0396 Link Gp-Grapple
33***71Lines Group-Log Loader1
33***36Loader Group-Log1
34***96Link Group-Grapple1
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333-3779 Loader Ar-Log -8.5-M
33***79Loader Ar-Log; -8.5-M1
34***90Valve Group-Relief; (Log Loader)1
35***33Platform Group-Service1
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333-3776 Loader Ar-Log -7.8-M
33***76Loader Ar-Log; -7.8-M1
34***90Valve Group-Relief; (Log Loader)1
34***91Valve-Relief2
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345-2391 Loader Gp-Log
34***06Base1
34***08Plate1
34***44Flange1
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338-3036 Loader Gp-Log
33***36Loader Group-Log1
35***11Fitting-Grease3
36***07Plate As1
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357-5496 Lubrication Gp-Central
15***59Spring27
15***61Pin-Roll4
15***26Plug1
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358-3135 Pillar Gp-Log Loader
34***15Bolt-Flange Head; (M12x1.75x25-mm)4
34***01Box As-Tool1
35***35Pillar Group-Log Loader1
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344-0395 Rotator Gp-Hydraulic
11***95Film-Instruction; (Air Conditioner)1
15***64Film; (Instruction) (Hydraulic Oil) (On Forward Of And Above The Hydraulic Tank Sight Gage On Tank Surface)1
16***64Film-Instruction; (Cab Lift Pump)1
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Frequently asked questions

What engine powers the Caterpillar 2748?

The 2748 is powered by a Caterpillar C7 industrial diesel, a turbocharged inline-six with a single turbocharger and dry exhaust manifold per the factory parts breakdown. Exact displacement and power ratings for this application are not published in any available spec sheet; confirm gross and net power along with emissions tier against the machine's own OMM or Cat SIS record for its PIN.

What is the operating weight of the Caterpillar 2748?

Operating weight is not published for the 2748 in any available Cat spec sheet, dealer brochure, or spec database. As a track-mounted forest products log loader with a dual heavy-duty undercarriage and a boom offered in 7.8 m or 8.5 m arm options, it falls in the same general size class as other C7-powered forestry swing machines, but a verified weight figure should come from your dealer or the machine's PIN-specific documentation.

What replaced the Caterpillar 2748?

No source documents a direct successor model for the 2748 by name. Cat's current forest machine lineup uses FM500-series naming (FM528 through FM568) for its general forestry and log loader machines, but no published record ties the 2748 specifically to any one of those as its replacement. Treat the FM-series log loader models as the closest current equivalent class and verify lineage with your Cat dealer if you need a documented replacement path.

What 2748 owners discuss

What engine problems come up most for C7-powered forest machines like the 2748?
The 2748 shares its water pump and core cooling hardware with the 2948 and 584, consistent with all three running the C7 diesel used across that Cat forestry lineup and in C7/C9-powered excavators of the same era. Owners of C7-powered equipment consistently point to HEUI (hydraulically actuated electronic unit injector) pump wear as the engine's weak spot: as the pump's internal thrust bearing wears, it sheds metal into the fuel and oil, and that debris migrates into the injectors, causing rough running, smoke, misfires and injector replacement across the bank rather than just one cylinder. Rising iron content on an oil sample is treated as the early warning sign. A related issue on early-build C7 engines involved fuel rail lines cracking at the fitting and weeping diesel, so a wet fuel line at the rail on an older unit is worth checking during PM. Have your dealer verify HEUI pump and injector condition with a fuel system pressure and return-flow test before committing to injector work.
Is overheating a known issue on this platform?
Cooling complaints tied to the C7 water pump shared across the 2748/2948/584 family come up repeatedly: pump seal weep, impeller wear and a sticking thermostat are the usual causes behind a forest machine running hot under sustained grapple and swing load. Because these machines work in dusty, bark-heavy environments, radiator fin packing and coolant contamination compound the problem faster than on equipment running a cleaner duty cycle. Regular fin cleaning and coolant sampling are treated as baseline preventive maintenance rather than optional extras. Have your dealer verify actual coolant flow and pump condition if temperatures run high under load, rather than assuming a plugged radiator is the only cause.
How do the swing bearing and swing drive hold up on a machine like this?
Across the log loader and swing-machine class generally, the swing bearing is treated as the single costliest wear item and the one most often ignored until it fails outright. Play in the bearing shows up as a knock or clunk on swing start and stop, and as visible rock in the upper structure relative to the undercarriage; technicians check it with a dial indicator at several points around the bearing rather than by eye alone. Shuttle valves that route pilot oil to the swing circuit are also known to stick, producing a hesitant or one-directional swing that mimics a bearing problem without being one. Have your dealer verify swing bearing bolt torque and measure bearing play before assuming a hydraulic cause for a rough swing.
What undercarriage wear pattern should owners expect?
Forestry duty cycles are harder on track undercarriage than typical excavator work: constant pivot turns under load, abrasive bark and dirt packing, and shock loading from uneven ground all accelerate bushing and pin wear compared with a machine doing finish grading. Sealed and lubricated bushing designs generally hold their wear life longer in this environment than non-sealed rotating-bushing designs, which is why sealed-type undercarriage is the common choice for forestry rebuilds. Owners are advised to plan a mid-life undercarriage inspection around the halfway point of expected chassis life rather than waiting for visible sag or a thrown track.
What hydraulic issues show up on the grapple and rotator end of these machines?
The grapple and rotator circuit is the part of the hydraulic system most likely to see abuse. Swinging a partially supported log, or dragging rather than lifting a bunched load, can spike circuit pressure well above hose and valve ratings, and that is the most commonly cited cause of blown hoses and rotator valve damage rather than a manufacturing defect. Hydraulic rotators are generally preferred over mechanical or cable-actuated grapple rotation on this class of machine because they put less torsional stress on the grapple casting. Have your dealer verify relief valve settings if a rotator or grapple cylinder is chewing through hoses repeatedly.
What about electrical and sensor faults?
Nothing specific to the 2748 by name turns up in the record, but the failure pattern reported across Cat forestry and excavator platforms of this era is consistent: intermittent no-starts and phantom fault codes trace back to worn harness runs, corroded connectors and chafed wiring at pivot points on the boom, swing frame and undercarriage far more often than to the sensors or ECM themselves. A weak battery or failing alternator is also a common root cause that gets misdiagnosed as a sensor fault because it triggers unrelated codes. Pulling stored codes and checking connector condition before swapping sensors is the standard first step technicians describe.
What should a buyer check before purchasing a used 2748?
This model has no public spec sheet or resale database, so buyers are working with less market data than on a mainstream excavator, which makes a hands-on inspection matter more. Check swing bearing play with a dial indicator, since any measurable movement is a red flag on a machine this size. Check articulation and boom pin condition for vertical misalignment or excess play under load. Check hydraulic hoses and fittings for weeping or chafe at the grapple and rotator end, where abuse shows first. Check undercarriage wear on both tracks, since forestry duty cycles wear these faster than typical excavator work. Pull an engine oil sample history if available, given the C7 HEUI pump's known wear pattern, and check coolant and water pump condition, since this engine family has a documented weak point there. Ask for service records and prior application history, since forestry production work is harder on the machine than yard or deck duty. Have your dealer verify swing bearing, undercarriage and engine condition with a full pre-purchase inspection before making a final offer.

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

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