Caterpillar 571F
Caterpillarpipelayer(no series)

Caterpillar 571F

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar 571F is a mechanical sideboom pipelayer built on a D7-size crawler tractor chassis, part of Cat's 561/571/572 pipe-laying family and carrying the 95N serial prefix. Production runs roughly late 1970s into the mid-1980s, sitting between earlier 571-series letters and its direct successor, the 571G. Power comes from the Cat 3304, a naturally aspirated, precombustion-chamber inline-four diesel with no electronic controls -- a fully mechanical machine by design. Operating weight runs approximately 22,800 to 23,700 kg (50,300 to 52,000 lb) depending on boom length, counterweight, and rigging fitted; exact figures vary by configuration and should be confirmed against the data plate. Cat offered the 571F with different boom and counterweight combinations to match pipe diameter and lift-capacity needs, all built around the same clutch-and-brake steering driveline shared with the D7 dozer line of its era.

Across the 561/571/572 letter revisions, Caterpillar mostly carried over the mechanical drivetrain and 3304/3306 engine family while updating chassis details, boom rigging, and cable-control hardware tied to the parent D7 dozer generation of each period. The 571G that followed kept the same mechanical control philosophy before Cat eventually moved sideboom pipelayers toward hydraulic-assist controls and later electronic engines. In today's used and parts market, the 571F holds value because it predates ECM electronics entirely -- everything on it is field-rebuildable with mechanical tooling, and major driveline and engine components interchange across the 561C, 572F, and 571F family. Buyers look at it for straightforward, low-tech pipeline work where simplicity and rebuildability matter more than fuel economy or diagnostics, and parts demand is driven by that shared-platform interchangeability as much as by remaining fleet count.

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 571F specifications

Engine

Engine modelCat 3304, a naturally aspirated, precombustion-chamber inline-four diesel with a fully mechanical fuel system (jerk-type injection pump, no electronic controls). The larger 3306 six-cylinder from the same engine family powers this pipelayer's bigger 572-series siblings — do not cross-reference power or fuel-system specs between the two without confirming the rated engine off the machine's own data plate.
DisplacementNot documented for this exact model in sources reviewed.
Cylinders4 (inline), naturally aspirated.
Gross/net powerNot documented for this exact model in sources reviewed. Verify against dealer literature or the machine data plate.
Emissions tierNot applicable. Production era for this model runs roughly late 1970s to mid-1980s, predating emissions-tier regulation.

Weights

Operating weightApproximately 22 815 kg (50,300 lb) per transport/shipping spec data reviewed. Single-source figure, not cross-confirmed by a second independent spec sheet — treat as approximate and verify before quoting.
Shipping weightNot separately documented from operating weight in sources reviewed.
Ground pressureNot documented for this model in sources reviewed.

Dimensions

Transport lengthApproximately 4.88 m (16 ft 0 in) per transport/shipping spec data reviewed. Single-source figure, not cross-confirmed.
Transport widthApproximately 3.35 m (11 ft 0 in) per transport/shipping spec data reviewed. Single-source figure, not cross-confirmed.
Transport heightApproximately 3.35 m (11 ft 0 in) per transport/shipping spec data reviewed. Single-source figure, not cross-confirmed.
Track gauge / ground clearanceNot documented for this model in sources reviewed.

Performance

Travel speedNot documented for this model in sources reviewed.
Lift capacityNot documented for the factory mechanical sideboom configuration. Note: aftermarket hydraulic conversion kits built for the 571 pipelayer series (installed on the same chassis decades later) are rated up to about 27 t (60,000 lb), but that is a converted-machine rating and should not be read as the original 571F factory figure.
GradeabilityNot documented for this model in sources reviewed.

Service capacities (summary)

Fuel tankNot documented for this model in sources reviewed.
Hydraulic systemNot documented for this model in sources reviewed.
Engine oilNot documented for this model in sources reviewed.
Cooling systemNot documented for this model in sources reviewed.

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

571F fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)Not published for the 571F's own serial range (95N prefix). This machine carries the smaller Cat 3304 rather than the 3306 fitted to its larger 572-series siblings, so expect a correspondingly smaller crankcase capacity; confirm the exact figure against the data plate or dealer before a fill.Cat DEO (Diesel Engine Oil). Cat's viscosity-by-climate guidance for this engine family: SAE 10W-30 or 15W-40 in temperate to warm ambient ranges, dropping to SAE 0W-20 / 0W-30 synthetic-blend grades for sustained sub-freezing cold-start conditions.
Cooling systemNot documented in accessible sources for this exact model/serial range. Track-type-tractor-based pipelayers of this size class generally run in the low-to-mid 30s of liters (roughly 8-10 US gal); treat as an estimate only and verify with the OMM.Cat heavy-duty coolant/antifreeze (this era predates Cat ELC, which came later). Mixed to the standard 50/50 water-glycol ratio, with supplemental coolant additive (SCA) topped up on the interval the OMM specifies.
Fuel tankNot published for the 571F specifically in available documentation; varies by configuration. Verify against the machine's tank or OMM.Diesel fuel meeting Cat's commercial diesel fuel specification for the period; No. 2-D grade for normal ambient, No. 1-D or a winter-blend in cold climates.
Transmission / powertrain compartmentNot documented for the 571F in accessible sources; powershift transmission, steering clutch, and brake compartments on this size of Cat crawler-based machine are commonly combined into one refill point. Treat any figure as unverified until checked against the OMM.Cat TDTO (Transmission/Drivetrain Oil), TO-4 type. Viscosity graded by ambient temperature per the standard Cat TDTO chart (SAE 10W for cold starts down toward freezing, up to SAE 30 or 50 in hot climates).
Final drives (each)Not documented for the 571F in accessible sources. Comparable Cat crawler-based machines in this size class run in the high-20s to mid-30s of liters (roughly 7-9 US gal) per side; verify before servicing.Cat TDTO, TO-4 type, same viscosity-by-climate grading as the powertrain compartment.
Hydraulic system and tank (pipelayer boom/winch circuit)Not documented for the 571F specifically; pipelayer winch and boom hydraulic reservoirs in this general size range have been reported anywhere from roughly 100 to 170 L (26 to 45 US gal) depending on winch and counterweight configuration. Treat as a wide estimate only — confirm with the OMM or data plate.Cat TDTO or Cat HYDO, whichever the OMM specifies for this circuit, graded by ambient temperature the same way as the powertrain oils.
Grease (all pins, bushings, boom and winch points)Spec only — no fill volume applies.Cat Multipurpose Grease (Cat MPGM), NLGI grade selected for ambient temperature; heavier NLGI 2 for normal service, softer NLGI 1 or 0 in cold climates.

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

Caterpillar 571F maintenance schedule

Service intervalTasks
Every 50 h
  • Check engine oil and coolant level before start-up, and drain the fuel/water separator (daily, every 10 hours)
  • Walk-around inspection of undercarriage, track shoes, and boom rigging for loose pins or damaged cable (daily)
  • Grease boom foot pins, A-frame pivots, winch shafts, and counterweight linkage (weekly, every 50 hours)
  • Check steering clutch and brake linkage travel and track sag
  • Inspect boom hoist and swing wire ropes and sheaves for fraying or flat spots
Every 250 h
  • Change engine oil and filter on the 3304
  • Grease all sideboom pivot points, boom hoist bearings, and roller frame pins not covered on the weekly cycle
  • Check final drive and steering clutch compartment oil level
  • Check fan belt condition and tension and inspect the charging system
  • Clean radiator core and screen of pipeline right-of-way dust and debris
Every 500 h
  • Change fuel filters and bleed the fuel system
  • Pull an oil sample from the engine, bevel gear case, and final drives for wear-metal trending
  • Check and adjust valve lash on the 3304
  • Measure track sag and inspect chain, sprockets, and idlers for wear
  • Check steering clutch and brake band wear
Every 1,000 h
  • Change bevel gear case (transmission) and final drive oil
  • Check winch clutch adjustment and cable drum brake condition
  • Re-torque boom and counterweight mounting hardware
  • Check injector condition and pump timing against the shop manual
  • Inspect track roller and carrier roller seals for leaks
Every 2,000 h
  • Flush cooling system and renew coolant, checking corrosion inhibitor level
  • Inspect steering clutch discs and brake bands, replacing worn components
  • Measure undercarriage wear (links, bushings, sprockets) and rotate or renew as needed
  • Inspect precombustion chambers and injectors for erosion and recondition as required
Every 4,000 h
  • Condition-based engine inframe or overhaul once oil-analysis trend and compression readings call for it
  • Rebuild steering clutch and final drive assemblies
  • Crack-check boom, A-frame, and counterweight mounting welds for fatigue from cyclic lifting loads
  • Full undercarriage rebuild or replacement based on measured wear rather than a fixed hour figure

Servicing the 571F beyond the schedule

Predictive Maintenance & Fluid Analysis

The 3304 has no ECM and throws no fault codes, so oil and coolant sampling is the primary early-warning tool on a 571F. Track engine, bevel gear case, and final drive oil samples for wear-metal trends rather than waiting for a failure. Watch for fuel dilution or soot loading tied to precombustion-chamber wear, and log wire rope and sheave condition on the boom hoist and swing winches, since cable fatigue is progressive and rarely gives advance warning otherwise.

Corrective & Common Repairs

Steering clutch and brake band wear is the most common driveline complaint on this D7-based platform, along with track adjuster leaks and worn final drive seals. On the engine side, precombustion chamber erosion and injector wear show up as hard starting or smoke on a machine with no diagnostic codes to point at them. Winch cable, drum brake, and sheave wear from boom-lift cycling is routine corrective work, along with periodic injection pump recalibration per the shop manual.

Overhaul & Rebuild Points

Expect inframe or full engine overhaul on the 3304 once oil analysis and compression checks show wear rather than on a fixed hour count. Steering clutches and final drives are the other major rebuild point on this chassis, given their role in both propulsion and steering. Because the sideboom carries repeated cyclic lifting loads, crack-check the boom, A-frame, and counterweight mounting welds at overhaul, and plan on a full undercarriage rebuild once chain and bushing wear is measured out.

Seasonal & Environment Servicing

Cold-weather starting on a non-electronic 3304 depends on correct fuel grade, coolant concentration, and a block heater or ether-assist rather than any ECM-managed cold start strategy. Drain the fuel-water separator more often in wet or humid conditions. On dusty pipeline right-of-way work, dirt intrusion into the open steering clutch compartment and exposed linkages is the main seasonal wear driver, so tighten grease intervals and seal checks in sandy or high-dust environments and inspect track seals ahead of any extended idle or winter lay-up.

571F common service parts

Part numberPart
1P-2299Filter As-FuelCheck fitment →
4N-5121Primary Fuel FilterCheck fitment →
5S-9665Fuel FilterCheck fitment →

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571F fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
Oil Pressure warning lamp (analog gauge, no alphanumeric code)Engine oil pressure has dropped below the safe operating thresholdLow oil level, worn oil pump, plugged filter, or a failed oil pressure sending unitShut engine down immediately, check oil level and filter condition, verify the sender before restart
Coolant Temperature warning lamp / gauge needle in red bandEngine coolant temperature has exceeded the safe operating rangeLow coolant level, blocked radiator core, loose or broken fan belt, or a stuck thermostatIdle down and let engine cool, then check coolant level, belt, and radiator core once safe to open
Charging System (ammeter/alternator) warning lampBattery is not receiving adequate charge from the alternatorWorn or broken drive belt, failed alternator, bad voltage regulator, or loose/corroded battery connectionsCheck belt tension and battery terminals first, then test alternator output
Air Cleaner Restriction indicatorIntake air filter restriction has reached the service limitAir filter element loaded with dust or debrisService or replace the air filter element, then reset the restriction indicator
Torque Converter / Power Train Oil Temperature gauge - high readingPower train oil is running above normal operating temperatureLow fluid level, sustained overload operation, or a clogged oil coolerReduce load and check fluid level and cooler for blockage

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

571F attachments & work tools

Boom and rigging

Fabricated tubular boom mounted for side lifting, sized to the machine's tractor-chassis class. Exact factory lift chart for this model is not published in available dealer/spec databases; comparable machines in this size bracket run roughly 18,000-27,000 kg (40,000-60,000 lb) rated capacity at typical overhang, varies by configuration/series. Confirm the actual chart against the data plate or operator manual.

Counterweight system

Hydraulically extended counterweight rack balances lateral boom load, with a mechanical service latch to lock it in the extended position while lifting. This design is standard across Cat pipelayers of this size class and era, reducing reliance on a separate hydraulic kit beyond the base machine circuit.

Boom and hook winches

Independent hydraulic winches drive boom raise/lower and load-hook hoist, with infinitely variable speed control for precise placement. Winch arrangement (hydraulic vs. cable-controlled draw works) can vary by build and era, so verify actual winch type against the specific unit before ordering drive components.

Hook block and rigging

Rotating hook block fitted with a roll guard and safety-latch hook is the standard pipe-handling tool for this machine type, used with slings and rigging rather than a bucket-style quick coupler. There is no hydraulic quick-attach system on the boom; the hook and block are pinned/rigged assemblies.

Tag line / line-sagging winch (auxiliary)

Pipelayers in this class are sometimes fitted with an auxiliary tag-line or line-sagging winch to control pipe swing and sag during lay-down. This is typically an add-on attachment requiring its own drive/hydraulic kit rather than a standard factory-boom tool.

Boom-to-chassis mounting

The boom's A-frame and counterweight rack pin and bolt directly to the tractor's rear frame and final-drive housings rather than using a hydraulic quick coupler. This pinned hardbar/A-frame arrangement is the mounting system for this machine type, not an excavator-style coupler.

Rear drawbar

A rear-mounted drawbar on the base tractor chassis allows towing of trailers or ancillary ground equipment, separate from the sideboom lifting system. Specific drawbar rating for this model is not documented in available sources.

Guarding and operator protection

ROPS/FOPS operator canopy is offered as a factory or dealer-installed configuration on pipelayers of this size class and era. Boom and counterweight mechanisms use mechanical service latches as standard guarding practice during transport and extended-counterweight lifting.

Size-class / power train context

This model falls in the Cat 3304/3306 naturally aspirated diesel engine era, a family shared with the 561C and 572F pipelayers of the same generation. It sits in the mid-size pipelayer bracket, heavier than the smaller 561-series machines and lighter than the larger 572-series, which shapes the boom/counterweight/winch capacities available for it.

All 571F assemblies by section

Every catalogued assembly group for the Caterpillar 571F. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Central Structure
Camshaft (2p6202 N/S)
2P***02Camshaft Group-Single; Single Camshaft Group1
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Cylinder Block Cover (2p6256 N/S)--Type 2
2P***56Cover Group; Cylinder Block Cover Group1
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Cylinder Block Cover (2p6256 N/S)--Type 1
2P***56Cover Group; Cylinder Block Cover Group1
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4n5163 Cylinder Block Cover Group
4N***63Cover Group; Cylinder Block Cover Group1
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Cylinder Block Cover (4n8675 N/S)
Cylinder Block Cover (2p6517 N/S)--Type 2
2P***17Cover Group-Cylinder Block; Cylinder Block Covers Group1
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Cylinder Block Cover (4n5164 N/S)
4N***64Cover Group-Cylinder Block; Cylinder Block Cover Group1
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Cylinder Block And Cover (2p6517 N/S)--Type 1
2P***17Cover Group-Cylinder Block; Cylinder Block Covers Group1
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4n7693 Crankshaft Assembly--Field Replacement
9s3057 Crankshaft Assembly--Field Replacement
Crankshaft Bearings And Thrust Plate Group
4S***81Bearing (.010 In. Undersize); Bearing (0.25 mm Undersize)7
4S***83Bearing (.020 Undersize); Bearing (.020 Undersize)7
4S***85Bearing (.030 In. Undersize); Bearing (0.76 mm Undersize)7
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2p6220 Crankshaft Group--Type 2
Crankshaft (2p6220 N/S)
Crankshaft (2p6222 N/S)
2P***22Crankshaft Group; Crankshaft Group1
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Crankshaft Seal (2p7309 N/S)
Crankshaft Seal (4n5028 N/S)
6n221 Crankshaft Seal Group
2p8776 Cylinder Block Assembly
Cylinder Block (2p6558 N/S)
Cylinder Block Cover (2p6558 N/S)
2p6560 Cylinder Block Group
2P***60Cylinder Block Group; Cylinder Block Group1
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Connecting Rod And Piston (4n4028 N/S)--6 Required
4N***28Piston & Rod Group; Connecting Rod And Piston Group1
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Connecting Rod And Piston (2p6272 N/S)--6 Required
Connecting Rod And Piston (9s8912 N/S)--6 Required
9S***12Piston & Rod Group; Connecting Rod And Piston Group1
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2p6483 Crankshaft Seal Group
2p6223 Crankshaft Seal Group
2P***23Seal Group-Crankshaft; Crankshaft Seal Group1
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Crankshaft Seal (6n220 N/S)
2p6224 Crankshaft Seal Group
2P***24Seal Group-Crankshaft; Crankshaft Seal Group1
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2p6226 Crankshaft Seal Group
2P***26Seal Group-Crankshaft; Seal Group-Crankshaft1
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Crankshaft Seal (2p7308 N/S)
Cooling System
Engine Oil Cooler (2p7738 N/S)
2P***38Cooler Group-Engine Oil; Engine Oil Cooler Group1
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2p6215 Engine Oil Cooler Group
2P***15Cooler Group-Engine Oil; Oil Cooler Group Engine1
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Transmission Oil Cooler (2p6515 N/S)
2P***15Cooler Group-Transmission Oil; Transmission Oil Cooler Group1
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Transmission Oil Cooler (2p6508 N/S)
2P***08Cooler Group-Transmission Oil; Transmission Oil Cooler Group1
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Transmission Oil Cooler (2p7736 N/S)
2P***36Cooler Group-Transmission Oil; Transmission Oil Cooler Group1
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Transmission Oil Cooler (2p6510 N/S)
2P***10Cooler Group-Transmission Oil; Transmission Oil Cooler Group1
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Engine Oil Cooler (4n3719 N/S)
Housing And Regulator Gp(2p8175 N/S)
2P***75Housing & Regulator Group; Regulator And Housing Group1
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Housing And Regulator (2p8176 N/S)
Housing And Regulator (2p8171 N/S)
2P***71Housing & Regulator Group; Housing And Regulator Group1
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Housing And Regulator (2p8173 N/S)
2P***73Housing & Regulator Group; Regulator And Housing Group1
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Housing And Regulator (2p8177 N/S)
Housing And Regulator (2p8170 N/S)
Housing And Regulator (2p8172 N/S)
2P***72Housing & Regulator Group; Regulator And Housing Group1
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Housing And Regulator (2p8174 N/S)
2P***74Housing & Regulator Group; Housing And Regulator Group1
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Housing And Regulator (3n3271 N/S)
3N***71Housing & Regulator Group; Housing And Regulator Group1
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Housing And Regulator (2p8178 N/S)
2P***78Housing And Regulator; Housing And Regulator Group1
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Housing And Regulator (4n3712 N/S)
2p7740 Water Lines Group--Elbow
2P***40Lines Group-Water; Water Lines Group--Elbow1
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2p7741 Water Lines Group--Pipe
2P***41Lines Group-Water; Water Lines Group-- Pipe1
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2p7728 Water Lines Group--Elbow
2P***28Lines Group-Water; Water Lines Group (Elbow)1
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Water Lines (2p7730 N/S)
2P***30Lines Group-Water; Water Lines Group1
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Water Lines (2p7728 N/S)--Elbow
2P***28Lines Group-Water; Water Lines Group (Elbow)1
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2p6188 Water Lines Group
2P***88Lines Group-Water; Water Lines Group1
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2p662 Water Pump Group
2P***62Pump Group-Water; Water Pump Group1
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2p661 Water Pump Group
2P***61Pump Group-Water; Water Pump Group1
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Transmission Oil Cooler (4n9068 N/S)
4n6646 Transmission Oil Cooler Group
4N***46Transmission Oil Cooler Group; Oil Cooler Group Transmission1
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Transmission Oil Cooler (4n6646 N/S)
4N***46Transmission Oil Cooler Group; Oil Cooler Group Transmission1
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Electrical System
2p1204 Alternator Group--24 Volt, 19 Ampere
2p7836 Alternator Group--24 Volt, 19 Ampere
2P***36Alternator Group-Charging; Charging Alternator Group1
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Alternator (2p7835 N/S)--24 Volt--50 Ampere
Alternator (4n5090 N/S)--24 Volt, 19 Ampere
2p7836 Alternator Group--24 Volt--19 Ampere
2P***36Alternator Group-Charging; Charging Alternator Group1
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5s9088 Alternator Assembly--24 Volt, 50 Ampere--Part 2 Of 2
5s9088 Alternator Assembly--24 Volt, 50 Ampere--Part 1 Of 2
2p6162 Electric Starting Motor Group--Prestolite--24 Volt--Part 2 Of 2
4n3180 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 2 Of 2
4n3180 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 1 Of 2
2p6162 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2
5s8501 Glow Plug Group
5S***01Glow Plug Group; Glow Plug And Wiring Group1
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Solenoid Shut-Off (7s9480 N/S)--24 Volt
7S***80Shut-Off Group; Solenoid Shut-Off Group1
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9s7976 Solenoid Switch Assembly
Electric Starting Motor (7s5410 N/S)--24 Volt
7S***10Starting Motor Group-Electric; Electric Starting Motor Group1
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2p2502 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 2 Of 2
4n3182 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 1 Of 3
4N***82Starting Motor Group-Electric; Electric Starting Motor Group-- Delco-Remy1
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3p6 Electric Starting Motor Group--Prestolite--24 Volt--Part 2 Of 2
3P***06Starting Motor Group-Electric; Electric Starting Motor Group-Prestolite1
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3p6 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2
3P***06Starting Motor Group-Electric; Electric Starting Motor Group-Prestolite1
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2p2502 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 1 Of 2
4n7752 Electric Starting Motor Group--Prestolite--24 Volt--Part 1 Of 2
4N***52Starting Motor Group-Electric; Electric Starting Motor Group --Prestolite1
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4n3182 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 2 Of 3
4N***82Starting Motor Group-Electric; Electric Starting Motor Group-- Delco-Remy1
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4n7752 Electric Starting Motor Group--Prestolite--24 Volt--Part 2 Of 2
4N***52Starting Motor Group-Electric; Electric Starting Motor Group --Prestolite1
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7s3622 Electric Starting Motor Group--24 Volt--Type 2
7S***22Starting Motor Group-Electric; Electric Starting Motor Group1
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4n3182 Electric Starting Motor Group--Delco-Remy--24 Volt--Part 3 Of 3
4N***82Starting Motor Group-Electric; Electric Starting Motor Group-- Delco-Remy1
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7s3622 Electric Starting Motor Group--24 Volt--Type 1
7S***22Starting Motor Group-Electric; Electric Starting Motor Group1
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Electric Starting Motor (7s4090 N/S)--24 Volt
6n5123 Solenoid Switch Assembly--24 Volt
1p9181 Solenoid Switch Assembly
4n8985 Coolant Flow Switch Group
Engine Arrangement
8s3875 Arrangement
2P***91Engine Ar1
2P***62Normalizing Arrangement; (See 3306 Engine 3n1 To 3n24132 Inclusive)1
8S***75Arrangement1
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8s3874 Arrangement
2P***90Engine Ar1
2P***62Normalizing Arrangement; (See 3306 Engine 3n1 To 3n24132 Inclusive)1
8S***74Arrangement1
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4n7364 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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4n7366 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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4n3571 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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4n7365 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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4n7361 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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4n7373 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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4n7363 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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4n7372 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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2p6792 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6805 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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4n7367 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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2p6797 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6803 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***80Turbocharger1
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4n7374 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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4n6521 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
See all parts with full part numbers in Heavy Parts AI →
2p6801 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6795 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6812 Engine Ar
1P***45Engine Decelerator Control1
1P***46Fuel Pump Housing And Governor1
1P***40Lifting Group; Lifting Eye Group1
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2p6808 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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2p6791 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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4n4994 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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6n0488 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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2p6789 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***74Torque Control1
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2p6788 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***74Torque Control1
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6n0484 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
See all parts with full part numbers in Heavy Parts AI →
2p6796 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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4n5359 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
See all parts with full part numbers in Heavy Parts AI →
2p6804 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6809 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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4n4993 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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2p6811 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
See all parts with full part numbers in Heavy Parts AI →
4n4463 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6802 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6790 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6794 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6798 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6800 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6806 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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6n0486 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
See all parts with full part numbers in Heavy Parts AI →
2p6793 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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2p6807 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***62Pump Group-Water; Water Pump Group1
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6n0482 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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4n4439 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
2P***61Pump Group-Water; Water Pump Group1
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2p6799 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
See all parts with full part numbers in Heavy Parts AI →
2p6810 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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4n7377 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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4n7371 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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2p8947 Arrangement
2P***04Engine Ar1
2P***43Trunnion Group1
2P***47Engine Arrangement1
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4n7376 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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2p9637 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***52Turbocharger Group1
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4n7370 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
See all parts with full part numbers in Heavy Parts AI →
3p0075 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***52Turbocharger Group1
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1p9587 Engine Ar
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
1P***81Flywheel Group; Flywheel Group1
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4n7368 Engine Ar
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
1P***40Lifting Group; Lifting Eye Group1
1P***44Breather Group1
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4n8132 Engine Arrangement
2P***88Engine Ar1
4N***36Refrigerant Compressor Arrangement1
4N***61Basic Engine Arrangement1
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1p32 Arrangement
1P***32Engine Arrangement1
2P***93Engine Ar1
2P***73Normalizing Arrangement; Normalizing Arrangement Engine Parts1
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2p9562 Normalizing Arrangement
2P***22Crankshaft Group; Crankshaft Group1
2P***73Manifold Group-Exhaust1
2P***46Air Lines Group1
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2p9573 Normalizing Arrangement
2P***22Crankshaft Group; Crankshaft Group1
2P***24Seal Group-Crankshaft; Crankshaft Seal Group1
2P***73Manifold Group-Exhaust1
See all parts with full part numbers in Heavy Parts AI →
This Chart Shows Various Vehicles Using 3306 Vehicular Engine Serial No. 3n1 To 3n24132 Followed By
Front Structure
Belt Tightener (2p9558 N/S)
4n6050 Front Housing Cover Group
Front Housing Cover (2p6529 N/S)
2P***29Cover Group-Front Housing; Front Housing Cover Group1
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4n5162 Front Housing Cover Group
4N***62Cover Group-Front Housing; Front Housing Cover Group1
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Front Housing Cover (2p6528 N/S)
2P***28Cover Group-Front Housing; Front Housing Cover Group1
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Damper (3p17 N/S)
Damper (4n3239 N/S)
Damper (4n3238 N/S)
Damper (2p7838 N/S)
Damper (4n4365 N/S)
Damper (2p2503 N/S)
2P***03Damper Group-Pulley & Cshft; Crankshaft And Pulley Damper Group1
See all parts with full part numbers in Heavy Parts AI →
Fan Drive (4n8537 N/S)
4N***37Drive Group-Fan; Fan Drive Group1
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2p7831 Fan Drive Group
2P***31Drive Group-Fan; Fan Drive Group1
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Support (2p7744 N/S)
Support (4n3506 N/S)
Fan Drive (3p18 N/S)
2p6498 Front Housing Fastener Group
2P***98Fastener Group-Front Housing; Front Housing Fastener Group1
See all parts with full part numbers in Heavy Parts AI →
4n5122 Front Housing Fastener Group
4N***22Fastener Group-Front Housing; Front Housing Fastener Group1
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2p6211 Front Gear Group--Timing
2P***11Front Gear Group; Front Gear Group-Timing1
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Front Gear (2p7782 N/S)--Timing
Front Housing (2p6153 N/S)
2P***53Front Housing; Front Housing Group1
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2p9642 Front Gear Group--Timing
Front Gear (4n3271 N/S)--Timing
4N***71Gear Group-Front Timing; Front Timing Gear Group1
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Front Housing (2p9641 N/S)
2P***41Housing Group-Front; Front Housing Group1
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Pulley (4n6048 N/S)
Pulley (2p8600 N/S)
Pulley (2p8158 N/S)
2P***58Pulley Group; Fan Drive Pulley Group1
See all parts with full part numbers in Heavy Parts AI →
Pulley (2p8595 N/S)
Pulley (2p8213 N/S)
2P***13Pulley Group; Pulley Group (Crankshaft & Fan Drive)1
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Pulley (3p44 N/S)
Pulley (2p8217 N/S)
Pulley (4n9014 N/S)
Pulley (2p8601 N/S)
Pulley (2p8599 N/S)
Pulley (4n3562 N/S)
4N***62Pulley Group-Crankshaft; Crankshaft Pulley Group1
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Pulley (2p8602 N/S)
Support (2p7746 N/S)
Support (2p7750 N/S)
Support (2p8856 N/S)
2P***56Support Group; Engine Support Group1
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Support (2p7743 N/S)
Support (2p7753 N/S)
2P***53Support Group-Engine; Front Engine Support Group1
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Support (2p7749 N/S)
2P***49Support Group-Engine; Engine Support Group1
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Support (2p7745 N/S)
2P***45Support Group-Engine; Engine Support Group1
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Support (2p7752 N/S)
2P***52Support Group-Engine; Engine Support Group1
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Support (1p9586 N/S)
1P***86Support Group-Engine; Engine Support Group1
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Support (2p7748 N/S)
2P***48Support Group-Engine; Engine Support Group1
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Support (2p7751 N/S)
2P***51Support Group-Engine; Engine Support Group1
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Support (2p7747 N/S)
2P***47Support Group-Engine; Engine Support Group1
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Support (4n6051 N/S)
4N***51Support Group-Engine; Engine Support Group1
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2p8943 Trunnion Group
2p6246 Trunnion Group
Fuel System And Governor
6n306 Governor And Fuel Injection Pump Group
6N***06Governor And Fuel Injection Pump Group1
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6n297 Governor And Fuel Injection Pump Group
6N***97Governor And Fuel Injection Pump Group1
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Governor And Fuel Injection Pump (7s6740 N/S)
7S***40Governor And Fuel Injection Pump Group1
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6n293 Governor And Fuel Injection Pump Group
6N***93Governor And Fuel Injection Pump Group1
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6n300 Governor And Fuel Injection Pump Group
6N***00Governor And Fuel Injection Pump Group; Governor And Fuel Injection Pump Group1
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6n296 Governor And Fuel Injection Pump Group
6N***96Governor And Fuel Injection Pump Group1
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6n311 Governor And Fuel Injection Pump Group
6N***11Governor And Fuel Injection Pump Group1
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6n301 Governor And Fuel Injection Pump Group
6N***01Governor And Fuel Injection Pump Group1
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6n303 Governor And Fuel Injection Pump Group
6N***03Governor And Fuel Injection Pump Group1
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6n295 Governor And Fuel Injection Pump Group
6N***95Governor And Fuel Injection Pump Group; Governor And Fuel Injection Pump Group1
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6n312 Governor And Fuel Injection Pump Group
6N***12Governor And Fuel Injection Pump Group1
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6n298 Governor And Fuel Injection Pump Group
6N***98Governor And Fuel Injection Pump Group1
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Governor And Fuel Injection Pump (6n1241 N/S)--Type 1
6N***41Governor And Fuel Injection Pump Group1
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Governor And Fuel Injection Pump (6n1241 N/S)--Type 2
6N***41Governor And Fuel Injection Pump Group1
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6n308 Governor And Fuel Injection Pump Group
6N***08Governor And Fuel Injection Pump Group1
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6n304 Governor And Fuel Injection Pump Group
6N***04Governor And Fuel Injection Pump Group1
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Tachometer Drive (6n1399 N/S)
4n4751 Tachometer Drive Group
Accessory Drive (2p7712 N/S)
Accessory Drive (3n3287 N/S)
Fuel Ratio Control (6n3047 N/S)
9n867 Fuel Ratio Control Group
6n4654 Fuel Ratio Control Group
Torque Control (4n9240 N/S)
6n3630 Torque Control Group
Torque Control (6n3586 N/S)
6n3609 Torque Control Group
Governor Cover (4n4510 N/S)
4N***10Cover Group-Governor; Governor Cover Group1
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9s4488 Tachometer Drive Group
Tachometer Drive (4n7249 N/S)
Engine Decelerator Control (1p45 N/S)
Engine Decelerator Control (6n1239 N/S)
6N***39Engine Decelerator Control Group1
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7l261 Fuel Filter And Priming Pump Group
1p2299 Fuel Filter Assembly
1P***99Filter As-Fuel; (Advanced Efficiency)(Secondary)1
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Fuel Filter (4n9882 N/S)
4N***82Filter Group-Fuel; Fuel Filter Group1
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4n1981 Fuel Filter Group
4n3303 Fuel Filter Group
4N***03Filter Group-Fuel; Fuel Filter Group1
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8h4681 Primary Fuel Filter Group
8H***81Filter Group-Primary Fuel; Primary Fuel Filter Group1
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Primary Fuel Filter (1p6835 N/S)
1P***35Filter Group-Primary Fuel; Primary Fuel Filter Group1
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Fuel Filter (5s9665 N/S)
Fuel Filter (6n1750 N/S)
Fuel Filter (4n3599 N/S)
Fuel Filter (8s9311 N/S)
5s9666 Fuel Filter Group
Fuel Filter Lines (6n1210 N/S)
6N***10Fuel Filter Lines; Fuel Filter Lines Group1
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Fuel Injection Lines (6n1057 N/S)
6N***57Fuel Injection Lines; Fuel Injection Lines Group1
See all parts with full part numbers in Heavy Parts AI →
Fuel Injection Lines (4n8007 N/S)
Fuel Injection Lines (4n3376 N/S)
4N***76Fuel Injection Lines; Fuel Injection Lines Group1
See all parts with full part numbers in Heavy Parts AI →
Fuel Injection Lines (2p7458 N/S)
Fuel Injection Lines (2p7459 N/S)
Fuel Injection Lines (2p7457 N/S)
Fuel Injection Lines (2p7456 N/S)
Fuel Injection Lines (4n9947 N/S)
Fuel Injection Lines (6n1637 N/S)
Fuel Injection Lines (4n3649 N/S)
Fuel Injection Lines (6n572 N/S)
6N***72Fuel Injection Lines Group; Fuel Injection Lines Group1
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Fuel Injection Lines (4n6033 N/S)
Fuel Priming Pump (2p7709 N/S)
Fuel Priming Pump (5s2100 N/S)
7s1251 Fuel Priming Pump Group--Type 1
7s1251 Fuel Priming Pump Group--Type 2
Governor And Fuel Injection Pump (9s5979 N/S)
Governor And Fuel Injection Pump (5s9571 N/S)
Governor And Fuel Injection Pump (8s110 N/S)
Governor And Fuel Injection Pump (9s5785 N/S)
Governor And Fuel Injection Pump (7s9337 N/S)
Governor And Fuel Injection Pump (1p46 N/S)
Governor And Fuel Injection Pump (5s9075 N/S)
9s2296 Governor And Fuel Injection Pump Group
9S***96Fuel Pump Housing And Governor Group1
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5s9076 Fuel Pump Housing Group
Fuel Ratio Control (4n5223 N/S)
Fuel Ratio Control (8s8951 N/S)
8S***51Fuel Ratio Control; Air Fuel Ratio Control Group1
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4n5063 Fuel Ratio Control Group
4n4900 Fuel Ratio Control Group
Fuel Transfer Pump (2p6859 N/S)
4n4878 Fuel Transfer Pump Group (7l247 N/S)
7l543 Fuel Transfer Pump Group (7l247 N/S)
7s4430 Fuel Transfer Pump Group
7s5445 Fuel Transfer Pump Group (7s5108 N/S)
4n4873 Fuel Transfer Pump Group (7s5108 N/S)
6n268 Governor And Fuel Injection Pump Group--Part 1 Of 2--Type 2
Governor And Fuel Injection Pump (4n1836 N/S)--Part 1 Of 4--Type 1
6n294 Governor And Fuel Injection Pump Group
6N***94Gov & Fuel Inj Pump Group; Governor And Fuel Injection Pump Group1
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4n1836 Governor And Fuel Injection Pump Group--Part 3 Of 4
Governor And Fuel Injection Pump (6n261 N/S) -- Type 1
Governor And Fuel Injection Pump (4n1836 N/S)--Part 4 Of 4--Type 2
Governor And Fuel Injection Pump (4n1836 N/S)--Part 2 Of 4--Type 2
Governor And Fuel Injection Pump (6n2840 N/S) -- Type 1
6N***40Gov & Fuel Inj Pump Group; Governor & Fuel Injection Pump Group1
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6n268 Governor And Fuel Injection Pump Group--Part 2 Of 2--Type 2
6n268 Governor And Fuel Injection Pump Group--Part 1 Of 2--Type 3
6n263 Governor And Fuel Injection Pump Group--Type 2
6n260 Governor And Fuel Injection Pump Group--Type 2
Governor And Fuel Injection Pump (6n268 N/S)--Part 1 Of 2--Type 1
6n305 Governor And Fuel Injection Pump Group
6N***05Gov & Fuel Inj Pump Group; Governor & Fuel Injection Pump Group1
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4n1836 Governor And Fuel Injection Pump Group--Part 4 Of 4
Governor And Fuel Injection Pump (4n1836 N/S)--Part 1 Of 4--Type 3
Governor And Fuel Injection Pump (4n1836 N/S)--Part 3 Of 4--Type 3
4n1836 Governor And Fuel Injection Pump Group--Part 1 Of 4
Governor And Fuel Injection Pump (4n1836 N/S)--Part 1 Of 4--Type 2
Governor And Fuel Injection Pump (4n1836 N/S)--Part 4 Of 4--Type 3
Governor And Fuel Injection Pump (4n1836 N/S)--Part 3 Of 4--Type 1
6n299 Governor And Fuel Injection Pump Group
6N***99Gov & Fuel Inj Pump Group; Governor And Fuel Injection Pump Group1
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6n261 Governor And Fuel Injection Pump Group--Type 2
Governor And Fuel Injection Pump (4n1836 N/S)--Part 4 Of 4--Type 1
Governor And Fuel Injection Pump (4n1836 N/S)--Part 2 Of 4--Type 3
6n3472 Governor And Fuel Injection Pump Group
6n263 Governor And Fuel Injection Pump Group--Type 3
Governor And Fuel Injection Pump (6n268 N/S)--Part 2 Of 2--Type 1
Governor And Fuel Injection Pump (6n260 N/S)--Type 1
6n268 Governor And Fuel Injection Pump Group--Part 2 Of 2--Type 3
4n1836 Governor And Fuel Injection Pump Group--Part 2 Of 4
Governor And Fuel Injection Pump (4n1836 N/S)--Part 2 Of 4--Type 1
6n2840 Governor And Fuel Injection Pump Group--Type 2
6N***40Gov & Fuel Inj Pump Group; Governor & Fuel Injection Pump Group1
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6n263 Governor And Fuel Injection Pump Group--Type 1
Governor And Fuel Injection Pump (4n1836 N/S)--Part 3 Of 4--Type 2
4n2844 Governor And Fuel Injection Pump Group
Governor And Decelerator Control (9s7053 N/S)
9S***53Governor And Decelerator Control1
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Governor And Fuel Injection Pump (6n1261 N/S)
6N***61Governor And Fuel Injection Pump1
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Governor And Fuel Injection Pump (6n256 N/S)
6N***56Governor And Fuel Injection Pump1
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Governor And Fuel Injection Pump (4n4673 N/S)
4N***73Governor And Fuel Injection Pump1
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9s5740 Governor Group--Part 1 Of 2--Type 1
9s6701 Governor Group--Part 2 Of 2--Type 1
8s6536 Governor Group--Part 1 Of 2--Type 3
1p47 Governor Group--Part 1 Of 2--Type 2
9s6701 Governor Group--Part 1 Of 2--Type 2
7s9332 Governor Group--Part 2 Of 2--Type 1
8s9442 Governor Group--Part 2 Of 2--Type 1
9s5740 Governor Group--Part 2 Of 2--Type 2
7s9332 Governor Group--Part 1 Of 2--Type 2
7s9332 Governor Group--Part 1 Of 2--Type 3
9s6701 Governor Group--Part 2 Of 2--Type 2
7s9332 Governor Group--Part 2 Of 2--Type 2
7s9333 Governor Group--Part 2 Of 2--Type 1
9s5740 Governor Group--Part 1 Of 2--Type 2
7s9333 Governor Group--Part 1 Of 2--Type 2
8s9442 Governor Group--Part 1 Of 2--Type 1
7s9333 Governor Group--Part 1 Of 2--Type 1
1p47 Governor Group--Part 1 Of 2--Type 1
1p47 Governor Group--Part 2 Of 2--Type 1
9s6700 Governor Group--Part 1 Of 2--Type 2
8s6536 Governor Group--Part 1 Of 2--Type 2
7s9333 Governor Group--Part 2 Of 2--Type 2
9s6700 Governor Group--Part 1 Of 2--Type 1
7s9332 Governor Group--Part 1 Of 2--Type 1
8s6536 Governor Group--Part 1 Of 2--Type 1
1p47 Governor Group--Part 2 Of 2--Type 2
9s6700 Governor Group--Part 2 Of 2--Type 2
8s6536 Governor Group--Part 2 Of 2--Type 3
9s6701 Governor Group--Part 1 Of 2--Type 1
9s5740 Governor Group--Part 2 Of 2--Type 1
8s9442 Governor Group--Part 2 Of 2--Type 2
8s6536 Governor Group--Part 2 Of 2--Type 2
9s6700 Governor Group--Part 2 Of 2--Type 1
8s9442 Governor Group--Part 1 Of 2--Type 2
8s6536 Governor Group--Part 2 Of 2--Type 1
7s9332 Governor Group--Part 2 Of 2--Type 3
8s6099 Torque Control Group--Type 2
Torque Control (8s6099 N/S) - Type 1
Torque Control (1p5007 N/S)
8s5042 Torque Control Group--Type 2--Field Installation
Torque Control (8s5050 N/S)
Torque Control (8s5042 N/S)--Type 1
Torque Control (9s9028 N/S)
Torque Control (9l5382 N/S)
Torque Control (9s5546 N/S) - Type 1
Torque Control (4n3650 N/S)
9s5546 Torque Control Group--Type 2
8l8682 Torque Control Group
Fuel Injection Lines (2p8916 N/S)
2P***16Lines Group-Fuel Injection; Fuel Injection Lines Group1
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4n8054 Fuel Injection Lines Group
4N***54Lines Group-Fuel Injection; Fuel Injection Lines Group1
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4n6656 Service Meter Group
4N***56Meter Group-Service; Service Meter Group1
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4n3336 Service Meter Group
4N***36Meter Group-Service; Service Meter Group1
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Service Meter (6n490 N/S)
6N***90Meter Group-Service; Service Meter Group1
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Primary Fuel Filter (4n5121 N/S)
9h2256 Pump Assembly
Fuel Priming Pump (4n4314 N/S)
4N***14Pump Group-Fuel Priming; Fuel Priming Pump Group1
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Fuel Priming Pump (4n9625 N/S)
4N***25Pump Group-Fuel Priming; Fuel Priming Pump Group1
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Fuel Priming Pump (4n3287 N/S)
4N***87Pump Group-Fuel Priming; Pump Group-Fuel Priming1
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7s4429 Fuel Transfer Pump Group
7S***29Pump Group-Fuel Transfer; Fuel Transfer Pump Group1
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4n4864 Fuel Transfer Pump Group
Governor And Fuel Injection Pump (4n4016 N/S)
Torque Control (9s3312 N/S)
Service Meter (8s6865 N/S)
9s8921 Service Meter Group
Service Meter (9s9978 N/S)
Service Meter (9s8923 N/S)
Service Meter (9s8732 N/S)
Service Meter (9s5141 N/S)
Service Meter (8s3688 N/S)
8S***88Service Meter; Service Meter Group1
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Service Meter (9s7993 N/S)
9s5730 Service Meter And Tachometer Drive Group
9S***30Service Meter And Tachometer Drive Group1
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Service Meter Drive (9s7127 N/S)
4n3554 Service Meter Drive Group
4n4025 Service Meter Group
9s7128 Service Meter Group
4n4026 Service Meter Group
4N***26Service Meter Group; Service Meter Group1
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Service Meter (4n3337 N/S)
Service Meter (4n8064 N/S)
9l9345 Torque Control Group
2s9519 Torque Control Group
Torque Control (4n9302 N/S)
Torque Control (6n2922 N/S)
1p6474 Torque Control Group--Type 2
Torque Control (4n283 N/S)
Torque Control (1p6474 N/S)
Torque Control (2p8592 N/S)
Torque Control (4n8924 N/S)--Type 1
Torque Control (4n8924 N/S)--Type 2
4n9193 Torque Control Group--Type 2
Torque Control (6n454 N/S)
Torque Control (6n509 N/S)
Torque Control (6n581 N/S)
6n3610 Torque Control Group
Torque Control (6n534 N/S)
Torque Control (6n453 N/S)
Torque Control (4n9193 N/S)
Torque Control (4n9193 N/S) - Type 2
Intake And Exhaust System
Air Compressor (2p7795 N/S)
2P***95Air Compressor Group; Air Compressor Group1
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Air Compressor (2p9614 N/S)
Air Compressor (2p7798 N/S)
2p7798 Air Compressor Group
2p1830 Air Compressor Group
Air Compressor (2p7801 N/S)
2P***01Air Compressor Group; Air Compressor Group1
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2p7794 Air Compressor Group
2p7801 Air Compressor Group
2P***01Air Compressor Group; Air Compressor Group1
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Air Compressor (2p9613 N/S)
2P***13Air Compressor Group; Air Compressor Group1
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2p7800 Air Compressor Group
Air Compressor Lines (2p7799 N/S)
2P***99Air Compressor Lines; Air Compressor Lines Group1
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2p6852 Air Lines Group
Air Lines (4n3616 N/S)
Air Lines (2p6845 N/S)
Air Lines (2p6842 N/S)
Air Lines (4n6071 N/S)
Air Lines (2p6851 N/S)
Air Lines (2p6850 N/S)
Air Lines (2p6847 N/S)--Type 1
Air Lines (2p6848 N/S)
4n4460 Air Lines Group
Air Lines (2p6849 N/S)
2P***49Air Lines Group; Air Lines Group1
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Air Lines (2p8876 N/S)
Air Lines (2p6846 N/S)
Air Lines (2p6847 N/S)--Type 2
Exhaust Pipe (4n5504 N/S)
Exhaust Pipe (2p7352 N/S)
Exhaust Manifold Fastener (4n9586 N/S)
4N***86Fastener Group-Exhaust Manifold; Exhaust Manifold Fastener Group1
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Exhaust Manifold Fastener (2p6534 N/S)
2P***34Fastener Group-Exhaust Manifold; Exhaust Manifold Fastener Group1
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Air Lines (2p6841 N/S)
2P***41Lines Group-Air; Air Lines Group1
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Air Lines (2p6838 N/S)
2P***38Lines Group-Air; Air Lines Group1
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Air Lines (1p9585 N/S)
2p7802 Air Compressor Lines Group
2P***02Lines Group-Air Compressor; Air Compressor Lines Group1
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Air Compressor Lines (2p7797 N/S)
2P***97Lines Group-Air Compressor; Air Compressor Lines Group1
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Turbocharger Oil Lines (9l5801 N/S)
9L***01Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group1
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Turbocharger Oil Lines (2p7315 N/S)
Turbocharger Oil Lines (4n4625 N/S)
4N***25Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group1
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4n3333 Turbocharger Oil Lines Group
4N***33Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group1
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Exhaust Manifold (9l5805 N/S)
2p6574 Exhaust Manifold Group
2P***74Manifold Group-Exhaust; Exhaust Manifold Group1
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Exhaust Manifold (2p6573 N/S)
2p6572 Exhaust Manifold Group
2P***72Manifold Group-Exhaust; Exhaust Manifold Group1
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Exhaust Pipe (2p7351 N/S)
2P***51Pipe Group-Exhaust; Exhaust Pipe Group1
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1p4280 Turbocharger Group
1p286 Turbocharger Assembly (9s5994 N/S)
9s8997 Turbocharger Assembly (9s5791 N/S--Type 1)
8s9237 Turbocharger Assembly (7s1701 N/S)
8s9234 Turbocharger Assembly (5s9584 N/S)
4n9555 Turbocharger Group (1p9552 N/S)
8s8039 Turbocharger Assembly
4n9541 Turbocharger Assembly (9s5994 N/S)
4n9618 Turbocharger Group
Turbocharger (9l5802 N/S)
9L***02Turbocharger Group; Turbocharger Group1
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Turbocharger (5s9584 N/S)
9l5345 Turbocharger Group
1p9373 Turbocharger Group (1p9552 N/S)
4n9553 Turbocharger Assembly (9s5791 N/S--Type 2)
7s1701 Turbocharger Group
4n9554 Turbocharger Group--Replaced By 4n9618 Shown On Page 171
8s8198 Turbocharger Assembly (8s8200 N/S)
Turbocharger Oil Lines (2p7316 N/S)
6n2257 Turbocharger Oil Lines Group
Lower Structure
Oil Pan Fastener (2p6200 N/S)
2P***00Fastener Group-Oil Pan; Fastener Gp-Engine Oil Pan1
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Oil Pan Fastener (2p6199 N/S)
2P***99Fastener Group-Oil Pan; Oil Pan Fastener Group1
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Oil Pan Fastener (2p6206 N/S)
2P***06Fastener Group-Oil Pan; Oil Pan Fastener Group1
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Oil Level Gauge (2p9559 N/S)
2P***59Gauge Group-Oil Level (Dipstick)1
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2p6493 Oil Level Gauge Group
2P***93Gauge Group-Oil Level (Dipstick); -Engine1
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Oil Level Gauge (2p9609 N/S)
2P***09Gauge Group-Oil Level (Dipstick)1
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Oil Level Gauge (4n6059 N/S)
4N***59Gauge Group-Oil Level (Dipstick)1
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Oil Level Gauge (2p6492 N/S)
Oil Pan (4n6057 N/S)
Oil Pan (2p6174 N/S)
Oil Pan (2p9647 N/S)
Oil Pan (2p6152 N/S)
Lubrication System
Oil Filler (4n5140 N/S)
4N***40Oil Filler Group; Oil Filler Group1
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Oil Filler (4n5138 N/S)
Oil Filler (4n5141 N/S)
Breather (1p4244 N/S)
Oil Filler (4n6066 N/S)
4N***66Filler Group-Oil; Oil Filler Group1
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Oil Filler (4n5139 N/S)
Oil Filler (4n4791 N/S)
4N***91Filler Group-Oil; Oil Filler Group1
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Oil Filler (2p6855 N/S)
Oil Filler (4n4817 N/S)
4N***17Filler Group-Oil; Oil Filler Group1
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Oil Filter (2p6475 N/S)
2P***75Filter Group-Engine Oil; Oil Filter Group (10z1 ~ 10z7023)1
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Oil Filter (2p6525 N/S)
Fumes Disposal (2p7446 N/S)
Fumes Disposal (4n3325 N/S)
4N***25Fumes Disposal Group; Fumes Disposal Group1
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Fumes Disposal (3n3392 N/S)
3N***92Fumes Disposal Group; Fumes Disposal Group1
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Fumes Disposal (2p7447 N/S)
Oil Lines (2p6861 N/S)
2P***61Lines Group-Engine Oil; Engine Oil Lines Group1
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Oil Lines (2p6105 N/S)
2P***05Lines Group-Engine Oil; Engine Oil Lines Group1
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Oil Lines (4n9718 N/S)
Oil Lines (2p6109 N/S)
2P***09Lines Group-Engine Oil; Engine Oil Lines Group1
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Oil Filler (2p6856 N/S)
Oil Filter (2p916 N/S)
Oil Lines (4n3694 N/S)
2p1785 Gear Pump Group
Oil Pump (2p1784 N/S)
2P***84Pump Group-Engine Oil; Engine Oil Pump Group1
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2p7830 Gear Pump Group
Oil Pump (2p6537 N/S)
2P***37Pump Group-Oil; Engine Oil Pump Group1
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Rear Structure
Rear Gear (2p8162 N/S)--Accessory Drive
2P***62Drive Group-Accessory; Dowel - Frame To Flywheel Housing1
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Rear Gear (2p8159 N/S)--Accessory Drive
2P***59Drive Group-Accessory; Rear Gear Group Accessory Drive1
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Rear Gear (2p8161 N/S)--Accessory Drive
2P***61Drive Group-Accessory; Rear Gear Group-Accessory Drive1
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Flywheel (7s3207 N/S)
Flywheel (2p9646 N/S)
Flywheel (7s7753 N/S)
Flywheel (2p2702 N/S)
7s7874 Flywheel Group
7s7878 Flywheel Group
Flywheel (1p9581 N/S)
Flywheel (9s5783 N/S)
Flywheel (8s1494 N/S)
7s5471 Flywheel Group
Flywheel (7s7877 N/S)
Flywheel (2p1663 N/S)
2p2505 Flywheel Group
Flywheel (9s5784 N/S)
Flywheel (7s7875 N/S)
Flywheel (5s3451 N/S)
Flywheel Housing (2p6154 N/S)
Flywheel Housing (2p6208 N/S)
Flywheel Housing (2p9645 N/S)
Flywheel Housing Cover (2p6238 N/S)
Flywheel Housing Cover (2p6130 N/S)
2p6814 Flywheel Housing Group
Flywheel Housing (2p9644 N/S)
Rear Gear (2p8621 N/S)--Accessory Drive
2P***21Gear Group-Rear; Rear Gear Group-Accessory Drive1
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Rear Gear (2p8622 N/S)--Accessory Drive
2P***22Gear Group-Rear; Rear Gear Group1
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Rear Gear (2p8160 N/S)--Accessory Drive
2p6166 Flywheel Housing Group
2p6119 Flywheel Housing Group
2p6129 Flywheel Housing Group
Flywheel Housing (2p6122 N/S)
Flywheel Housing (2p6131 N/S)
2P***31Housing Group-Flywheel; Flywheel Housing Group1
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Flywheel Housing (2p6156 N/S)
Flywheel Housing (2p6119 N/S)
Flywheel Housing (4n6055 N/S)
4N***55Housing Group-Flywheel; Flywheel Housing Group1
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Flywheel Housing (4n5825 N/S)
4N***25Housing Group-Flywheel; Flywheel Housing Group1
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Power Take-Off (9s6185 N/S)--Part 2
Power Take-Off (9s6185 N/S)--Part 1
Service Equipment And Supplies
Gasket Kits
Upper Structure
2p6531 Cylinder Head Cover Group
2P***31Cover Group-Cylinder Head; Cylinder Head Cover Group1
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Cylinder Head Cover (9n136 N/S)
9N***36Cover Group-Cylinder Head; Cylinder Head Cover Group1
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Cylinder Head Cover (2p6530 N/S)
2P***30Cover Group-Cylinder Head; Cylinder Head Cover Group1
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Valve Mechanism Cover (2p6516 N/S)
2P***16Cover Group-Valve Mechanism; Valve Mechanism Cover Group1
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4n7446 Cylinder Head Assembly
4N***46Cylinder Head As; Head Assembly-- Parts Service1
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2p6476 Cylinder Head Group
2P***76Cylinder Head Group; Cylinder Head Group1
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Cylinder Head (2p6496 N/S)
2P***96Cylinder Head Group; Cylinder Head Group1
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Cylinder Head (2p6486 N/S)
2P***86Cylinder Head Group; Cylinder Head Group1
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Cylinder Head Fastener (2p6546 N/S)
2P***46Fastener Group-Cylinder Head; Cylinder Head Fastener Group1
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Lifting Eye (1p3840 N/S)
1P***40Lifting Group; Lifting Eye Group1
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2p6526 Valve Mechanism Group
2P***26Valve-Mechanism Group; Valve Mechanism Group1
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571F serial number reference

The PIN plate on a 571F sits on the main frame or frame rail, typically on the left side near the front idler or by the operator's platform, the same general mounting area used on the equivalent D7-series dozer chassis it shares an undercarriage size class with. The plate reads as a 3-character prefix (mixed letters/numbers, e.g. 95N) followed by a sequential unit number; the prefix identifies the model and production block while the sequence number only marks build order within that block, not the date. Match the prefix and low sequence number against a Cat serial lookup or dealer to pin down the actual build year.

PrefixIdentifies
95N571F pipelayer, D7-size chassis class

Frequently asked questions

What engine does the Caterpillar 571F pipelayer use?

The Cat 3304, a naturally aspirated, precombustion-chamber inline-four diesel with a fully mechanical fuel system and no electronic controls.

What is the operating weight of the Caterpillar 571F?

Approximately 22,800 to 23,700 kg (50,300 to 52,000 lb) for the base machine. Exact weight varies with boom length and counterweight configuration -- verify against your machine's data plate or OMM.

What replaced the Caterpillar 571F?

The 571G, the next generation in Cat's mechanical sideboom pipelayer line, before Cat later moved the pipelayer range toward hydraulic-assist controls and electronic-engine models.

What 571F owners discuss

What engine is actually in the 571F, and does it have any known quirks?
The 571F runs the Cat 3304 diesel, a mechanical, non-electronic inline-4 with a precombustion-chamber design and jerk-type injection pump — not the 3306 that shows up on the larger 572F/572G in the same parts family, so don't cross-reference power or fuel-system specs between the two. Field reports on 3304-family rebuilds flag one recurring trap: the engine carries twin balance shafts that must be re-timed correctly when the oil pump goes back in. Get that step wrong on a rebuild and the engine comes back with a noticeable vibration that won't go away without pulling it apart again. Day to day, injector and pump wear is the common complaint — dirty fuel, water contamination, or fuel that sat too long in a stored machine shows up as hard starting and blue-white smoke on start-up, corrected by pump and injector service rather than anything internal to the block.
Is it safe to use starting fluid (ether) on a cold 571F?
Precombustion-chamber engines like the 3304 are generally tolerant of ether because the chamber design keeps the spray away from the heater element, unlike engines with an air-intake grid heater where ether plus a hot glow element is a real ignition-inside-the-intake hazard. The practical rule owners repeat: know which cold-start aid your machine actually has before reaching for the ether can, and never combine ether with a glow/intake heater circuit you haven't confirmed is wired correctly. Because a mistake here risks an intake explosion, have your dealer verify your machine's cold-start system before relying on ether as a routine starting aid.
What powertrain behavior should I expect from the transmission and clutches?
The 571F drives through a powershift transmission with a torque-converter and clutch-pack setup similar to the rest of the mechanical Cat crawler line of its era. Slipping across every range points to a weak charging pump or worn clutch discs rather than one bad clutch pack; a 'false neutral' feel (drive doesn't engage cleanly even though a range is selected) is a symptom reported broadly across Cat powershift boxes of this generation, usually traced to a sticking control valve or an internal pressure leak. Contaminated oil is the biggest driver of premature clutch wear — running the correct transmission/drive-train oil (Cat TDTO or equivalent TO-4) on the service interval, with clean filters, is what keeps these boxes going long-term.
What undercarriage and final-drive wear patterns are typical for this machine?
The 571 pipelayer series shares much of its driveline lineage with the D7-family crawler dozer (the D7=571 pairing shows up repeatedly when people cross-check parts), so undercarriage wear behaves like a D7-era track: sealed-and-lubricated pins and bushings resist internal wear well compared to older dry-pin designs, and rollers use duo-cone-style seals to keep lubricant in and dirt out. The recurring watch item, discussed the same way on D7G final drives, is a slow weep of drive-train oil at the final drive output seal after years of service — a slight seepage isn't automatically a failure, but it should be tracked and topped off rather than ignored, and a wet final-drive housing with a falling oil level warrants a teardown before it takes out bearings.
Are there common electrical or sensor problems on the 571F?
This generation of pipelayer predates electronic engine and machine monitoring — there's no ECM and no fault-code diagnostics to chase, unlike later electronically controlled pipelayer series. What owners actually report are old-school charging and starting circuit issues: alternator or regulator output dropping off, corroded ground straps causing intermittent gauge or starter faults, and worn starter solenoids or contacts on machines that have sat outside for years. Treat any 'electrical gremlin' on a 571F as a wiring/connection and charging-system problem first, not a sensor or control-module problem.
What boom, winch, and counterweight wear should I look for?
Boom and hoist wire rope wear (thinning, kinks, broken strands) and sheave/bearing condition are the first things experienced inspectors check, followed by the boom structure itself for cracked paint or welds near the main pivot points, which signals metal fatigue rather than cosmetic damage. Boom-hoist clutch linings wear like any other powershift clutch pack and show up as boom drift or slow response under load before they show up as an outright failure. Counterweight modifications are a specific red flag on used units — added or welded-on ballast to compensate for wear elsewhere, or to push lift capacity past rating, changes the machine's stability math in ways that aren't visible from the seat. Because a boom or counterweight failure under load is a tip-over or dropped-load risk, have your dealer or a qualified rigger verify boom, hoist clutch, and counterweight condition before returning a used machine to lifting work.
What should I check specifically before buying a used 571F?
Walk the undercarriage for track and final-drive wear and check for oil weeping at the final-drive seals; run the powershift through every range checking for slip, false neutral, or delayed engagement; and inspect boom wire rope, sheaves, and boom-pivot welds for cracking or fatigue. Confirm the counterweight configuration matches factory specification — welded-on or bolted-on extra ballast is a sign of prior compensation for wear or an unauthorized capacity bump, not a factory option. On the engine, check for excess smoke or blow-by at start-up and ask for service and rebuild history, since injector and pump wear from dirty fuel is the most common complaint on this engine family. Because this generation spans decades of production and shares parts across the 561/571/572 pipelayer and D7-family dozer lines, confirm the serial prefix actually lines up with a genuine 571F before assuming parts and specs will interchange. Given the age of these machines, weight and dimension figures vary by boom length, undercarriage, and counterweight configuration — treat any single spec sheet as a starting point, not the final word, and confirm the exact configuration against the data plate.

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

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