Caterpillaroff-highway trucktractor
Caterpillar 776
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 776 is a vintage off-highway wheel tractor, not a rigid dump truck: it is a prime mover built to pull trailers rather than carry a body of its own. Built off the 777 haul truck's chassis and drivetrain and introduced in the mid-1970s, it ran in production from 1974 to 1985. Power comes from the mechanical Cat D348 V12 diesel, rated at roughly 649 kW (870 hp) gross from 29.3 L of displacement, driving a 7-speed powershift transmission. Operating weight for the tractor unit alone runs about 49,686 kg (109,539 lb), with combined tractor-trailer weight varying by the trailer and payload attached. A frame-mounted, yoke-type hitch with a kingpin base lets the tractor oscillate against the trailer to relieve stress on rough haul roads. Caterpillar offered the 776 paired with bottom-dump coal-hauler trailers, heavy equipment low-boy trailers, and high-capacity dump wagons, making it a flexible hauling platform for mines and large earthmoving projects rather than a single-purpose truck.
The plain 776 did not go through internal generational changes the way later Cat trucks did; it ran with the D348 engine and powershift driveline for its whole production life, sharing that drivetrain directly with the contemporary 777 truck. Decades later Caterpillar reused the 776 model number for an unrelated 776B/776C/776D scraper-tractor family built around the electronically controlled Cat 3508B EUI diesel — a genuinely different machine that happens to share a badge, not a continuation of this tractor. In today's used and parts market, the original 776 is a scarce, largely mechanical machine: no electronic fault-code system to lean on, so diagnosis and maintenance planning rest on gauges, fluid sampling, and mechanical inspection. Surviving units are valued by mining and heavy-haul operations still running legacy tractor-trailer combinations, and by rebuilders sourcing D348 engine, powershift, and axle components. Buyers and parts searches should confirm the serial prefix 14H and the D348 mechanical engine before assuming compatibility with later, electronically controlled 776-badged machines.
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 776 specifications
Engine
| Engine model | Cat D348, V-12, 4-stroke-cycle diesel |
| Gross power | 649 kW (870 hp) at flywheel |
| Net power | Not published for this model |
| Displacement | 29.3 L (1,788 cu in) |
| Cylinders | 12, V-configuration |
| Emissions tier | Not applicable — mechanical diesel design predating emissions-tier regulation |
Weights
| Operating weight (truck only) | 49,686 kg (109,539 lb) |
| Combined weight, Coal Hauler configuration (776 + RD160 rear-dump trailer) | Approx. 101,835 kg (224,500 lb) |
| Ground pressure | Not published for this model |
Dimensions
| Width over tires (truck only) | 3.51 m (11.52 ft / 11'6") |
| Height to top of cab (truck only) | 4.47-4.48 m (14.67-14.70 ft) |
| Wheelbase | 4.57 m (15 ft) |
| Ground clearance | 0.88-0.91 m (2.91-3.00 ft) |
| Overall length (truck only) | Approx. 8.08 m (26 ft 6 in) — unconfirmed, verify with your dealer |
| Overall length, Coal Hauler configuration (with RD160 trailer) | Approx. 14.9 m (49 ft) |
| Overall width, Coal Hauler configuration (with RD160 trailer) | Approx. 6.1 m (20 ft) |
| Overall height, Coal Hauler configuration (with RD160 trailer) | Approx. 5.49 m (18 ft) |
| Tire size | 27.00-49, 36PR (E-3) |
Performance
| Maximum travel speed (truck only) | 68 km/h (42.3 mph) |
| Maximum travel speed, Coal Hauler configuration (with RD160 trailer) | Approx. 61 km/h (38 mph) — lower than truck-only rating due to trailer load |
| Transmission | 7-speed planetary powershift automatic |
| Payload capacity, Coal Hauler configuration (with RD160 trailer) | Approx. 145 t (160 tons) |
| Payload capacity, truck-only rear-dump configuration | Varies by configuration — confirm with your dealer for this specific trailer/body setup |
| Gradeability | Not published for this model |
Service capacities (summary)
| Fuel tank | 946 L (250 gal) |
| Hydraulic system | Not published for this model |
| Engine oil | Not published for this model |
| Cooling system | Not published for this model |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
776 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (D348 V12 diesel, with filter) | Not documented for this serial range — verify with your dealer or OMM | Diesel engine oil per Cat spec; grade selected by ambient temperature at start-up per the era's viscosity chart. Today's dealer-equivalent recommendation for this legacy engine is Cat DEO diesel engine oil. |
| Cooling system | Not documented for this serial range — verify with your dealer or OMM | Glycol-based heavy-duty coolant with supplemental coolant additive, per Cat's cooling-system water/glycol program for this engine class. Current dealer-equivalent is Cat ELC extended life coolant. |
| Fuel tank | 946 L (250 US gal) | No. 2-D diesel fuel; fuel grade selected by ambient temperature and altitude per standard diesel engine practice for this era. |
| Transmission / torque converter compartment (7-speed powershift) | Not documented for this serial range — verify with your dealer or OMM | Drivetrain oil per Cat TO-4 (Transmission/Drive Train Oil) specification; the same oil typically services the torque converter and powershift transmission on this class of machine. |
| Final drives (each side) | Not documented for this serial range — verify with your dealer or OMM | Cat TO-4 drivetrain oil, same specification as transmission unless the OMM calls out a separate axle/final-drive oil for this configuration. |
| Hydraulic system (hoist and steering circuits, includes tank) | Not documented for this serial range — verify with your dealer or OMM | Cat TO-4 drivetrain oil is the typical hydraulic medium shared across hoist and steering circuits on Cat off-highway trucks and tractors of this era; confirm against the OMM for this specific chassis. |
| Differential / axle housing (if separate from final drive) | Not documented for this serial range — verify with your dealer or OMM | Cat TO-4 drivetrain oil where the OMM lists the differential as a separate refill point; on many machines in this class the differential and final drive share one compartment. |
| Grease (chassis lubrication points) | Spec only — no fluid capacity applies | NLGI Grade 2 multipurpose grease per Cat's standard chassis lubrication spec (dealer-equivalent: Cat Multipurpose Grease / MPGM). |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 776 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the 776 beyond the schedule
Predictive Maintenance & Fluid Analysis
The D348 V12 has no electronic fault codes, so fluid sampling is the main predictive tool. Pull an engine oil sample at every 250-hour oil change to track wear metals from cylinder liners, valve train, and the mechanical injection pump. Sample powershift transmission oil for clutch-plate wear and differential/final-drive oil for gear and bearing metal. Monitor coolant condition regularly, since the copper- and brass-heavy cooling system on a machine this age depletes corrosion inhibitor faster than modern circuits.
Corrective & Common Repairs
Expect wear concentrated at the yoke-hitch kingpin and bushings from constant trailer oscillation, and at wheel bearings on the tractor's drive axles under heavy coal-hauler and low-boy loads. Steering and brake hydraulic hoses harden and crack with age and need routine replacement. The mechanical injection pump and injectors drift out of calibration over time and should be checked against D348 specs. Electrical repairs are limited to starting, charging, and lighting circuits — there is no electronic control module to fault-code.
Overhaul & Rebuild Points
High-hour D348 engines typically need a top-end rebuild — liners, pistons, valve train — before the block itself is due. The 7-speed powershift clutch packs wear from repeated loaded shifts under trailer tow and are a common mid-life rebuild item, along with the front and rear final drives and differentials shared with the 777 chassis. Inspect the hitch yoke, kingpin bushings, and frame around the hitch mount for fatigue cracking at every major overhaul interval.
Seasonal & Environment Servicing
Cold-weather starts on the D348 rely on ether or block-heater aids rather than any electronic cold-start logic, so check starting aids and battery condition ahead of winter. In hot, dusty mine environments, service the air cleaner more often and keep the V12's radiator core clean to prevent overheating under sustained pulling loads. Wet-season mud and grit accelerate wear at the hitch kingpin and steering linkage, so shorten the grease interval on those points during rainy periods.
776 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 1D-4540 | Bolt,Machine Fuel Filter Mounting | Fuel system service | Check fitment → |
| 4J-6064 | Filter Element As-Oil | Hydraulic service | Check fitment → |
| 6N-8224 | Filter As-Oil | Lubrication service | Check fitment → |
| 7N-8417 | Filter As-Oil | Lubrication service | Check fitment → |
| 6N-1570 | Filter As-Oil | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
776 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| LOW OIL PRESSURE warning lamp | Engine lubrication pressure has dropped below the safe minimum sensed by the oil pressure switch/sender on the D348TA | Low crankcase oil level, worn oil pump or relief valve, plugged suction screen, or worn main/rod bearings | Stop the engine immediately, check oil level and filter condition before restarting; do not run the engine on a lit lamp |
| HIGH COOLANT TEMPERATURE warning lamp | Engine jacket water temperature has exceeded the safe operating range sensed by the coolant temperature switch | Low coolant level, plugged radiator core, failed water pump, slipping/broken fan drive, or thermostat stuck closed | Idle down, do not shut off immediately; check coolant level once safe, inspect radiator and fan drive before returning to full load |
| LOW AIR PRESSURE warning lamp/buzzer | Service or park brake air system pressure is below the value needed for safe braking | Air compressor not building pressure, leaking air lines or fittings, or governor/unloader malfunction | Stop the truck in a safe location and let air pressure build before moving; inspect compressor and air lines if pressure will not recover |
| CHARGING SYSTEM (no-charge) warning lamp / ammeter discharge | Alternator is not supplying charging current to the battery circuit | Broken or slipping alternator belt, failed alternator, or loose/corroded charging circuit wiring | Check belt tension and wiring first; replace or repair alternator if belt and connections are sound |
| HIGH TORQUE CONVERTER / TRANSMISSION OIL TEMPERATURE warning lamp | Torque converter or powershift transmission oil temperature has exceeded the safe range | Low transmission oil level, plugged oil cooler, sustained converter stall/lugging, or failed oil cooler bypass valve | Reduce load and let temperature drop, then check oil level and inspect the transmission oil cooler for restriction |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
776 attachments & work tools
Machine type and base configuration
The 776 is an off-highway tractor/hauler built off the same chassis family as the 777 haul truck, first offered in 1974. Unlike the 777, the base 776 is supplied as a tractor unit with a rear hitch instead of an integral dump body, intended to pull wagons; dealer- and fleet-fitted variants also carry dump bodies, coal bodies, and heavy equipment trailers.
Wagon/trailer coupling (tractor configuration)
Standard coupling is a frame-mounted, yoke-type hitch on a kingpin base that oscillates to relieve frame stress over rough haul roads. Rugged turn stops limit wagon rotation in either direction; the rear platform doubles as a powertrain guard and a stable service/work area at the hitch.
Dump body options (body-equipped variants)
Where a dump body is fitted instead of the tow hitch, the body families common to this truck class are a Dual Slope body (sloped forward floor and ducktail for varied haul/dump angles), a flat-floor (X-type) body for general/universal loads, and a lighter coal body for low-density material. Bodies are fabricated from high-strength (roughly 400 BHN) steel.
Body liners and wear protection
Optional steel abrasion-resistant liners (heavier BHN grade than the base body) or rubber liners are fitted inside dual-slope and flat-floor bodies to protect structure and reduce noise in hard-rock or high-impact hauling. A rock ejector at the tailgate area is standard to clear packed material on dump.
Sideboards / capacity extensions
Bolt-on steel sideboards are an optional fit for flat-floor or dual-slope bodies to add heaped capacity when hauling low-density material such as coal or loose overburden. Capacity gain varies by body type and sideboard height ordered.
Cold-climate body heating
An optional body heat system is available for body-equipped configurations to keep frozen or sticky material from clinging to the body floor and walls in cold-climate operation.
External hydraulic dump provision
Body-equipped configurations offer quick-disconnect hydraulic ports so the body hoist can be actuated from an external hydraulic source where the machine's own hoist circuit is not used for a given body/trailer arrangement. Confirm circuit compatibility with the specific body or wagon supplier before ordering.
Guarding and protective equipment
Standard protective equipment across configurations includes fenders and mud flaps to shield the cab and frame from tire-thrown material, plus the rear hitch/powertrain platform guard noted above. Guarding details are consistent across the wagon-tractor and body-equipped variants.
Tires and rims
The 776 runs large off-highway rock/haul-class tires on matching multi-piece rims; exact tire size is tied to payload class and axle/final-drive spec and varies by series and fitment, so confirm against the machine's data plate rather than a generic class size.
Series/generation engine note (context for attachment/hydraulic compatibility)
The original 776 (from 1974) used the Cat D348 naturally aspirated V12 diesel; later 776B/776C/776D generations moved to a Cat 3508B turbocharged diesel with electronic unit injection. Hoist pump output and external hydraulic port compatibility can differ across this engine change, so match any hydraulic-kit or PTO-driven attachment to the specific engine/generation.
All 776 assemblies by section
Every catalogued assembly group for the Caterpillar 776. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Basic Engine
4n5034 Belt Tightener Group
| 4N***34 | Belt Tightener Group | 1 |
4n7459 Camshaft Group
| 4N***59 | Camshaft Group | 1 |
4n8066 Valve Mechanism Cover Group
| 4N***66 | Cover Group-Valve Mechanism | 1 |
Crankshaft Bearing Replacements
4n6818 Crankshaft Group
| 4N***18 | Crankshaft Group | 1 |
6n7329 Cylinder Block Assembly
| 6N***29 | Cylinder Block As | 1 |
4n8101 Cylinder Block Group
| 4N***01 | Cylinder Block Group | 1 |
2s711 Cylinder Head Group
| 2S***11 | Cylinder Head Group | 1 |
7n9551 Cylinder Head Group
| 7N***51 | Cylinder Head Group | 1 |
4n4416 Pulley And Damper Group
| 4N***16 | Damper & Pulley Group | 1 |
7n8533 Fan Drive Group--Temperature Controlled--Part 2 Of 3
| 2L***76 | Terminal; (14-Ga To 16-Ga, No. 10 Screw)(Alternator Harness To Alt. Neg) | 9 |
| 2M***95 | Gasket-Tube As To Regulator Housing | 1 |
| 2S***11 | Body-- Fuse Holder | 1 |
6n1904 Fan Drive Group
| 6N***04 | Drive Group-Fan | 1 |
7n8533 Fan Drive Group--Temperature Controlled--Part 3 Of 3
| 4F***79 | Bolt Clip To Tube Assembly (Aftercooler Radiator Inlet) | 1 |
| 5M***94 | Washer; Bracket To Tee, Bracket To Block, Tube As. To Tee, Tube As. To Oil Cooler | 1 |
| 7N***48 | Switch Temperature (Aftercooler Water Warning) | 1 |
7n8533 Fan Drive Group--Temperature Controlled--Part 1 Of 3
| 0L***51 | Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold | 2 |
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 8 |
| 1A***37 | Bolt Clutch Assembly To Bracket (Fan Support) | 4 |
9s4633 Hydraulic Pump And Air Compressor Drive Group
| 9S***33 | Drive Group-Pump | 1 |
4n7052 Flywheel Group
| 4N***52 | Flywheel Group | 1 |
4n6137 Oil Level Gauge Group
| 4N***37 | Gauge Group-Oil Level (Dipstick) | 1 |
4n4902 Front Gear Group
| 4N***02 | Gear Group-Front | 1 |
4n4903 Rear Gear Group--Part 1 Of 2
| 4N***03 | Gear Group-Rear | 1 |
4n4903 Rear Gear Group--Part 2 Of 2
| 4N***03 | Gear Group-Rear | 1 |
4n7461 Camshaft Housing Group
| 4N***61 | Housing Group-Camshaft | 1 |
4n7080 Flywheel Housing Group--Side View--Part 2 Of 2
| 4N***80 | Housing Group-Flywheel | 1 |
4n7080 Flywheel Housing Group--End View--Part 1 Of 2
| 4N***80 | Housing Group-Flywheel | 1 |
4n7436 Front Housing Group
| 4N***36 | Housing Group-Front | 1 |
4n6135 Oil Pan Group
| 4N***35 | Pan Group-Oil | 1 |
4n8952 Connecting Rod And Piston Group--8 Required
| 4N***52 | Piston & Rod Group; Connecting Rod And Piston Group | 1 |
4n8952 Connecting Rod And Piston Group--6 Required
| 4N***52 | Piston & Rod Group; Connecting Rod And Piston Group | 1 |
4n7077 Crankshaft Seal Group
| 4N***77 | Seal Group-Crankshaft | 1 |
9d2870 Engine Support Group
| 9D***70 | Support Group-Engine | 1 |
4n7081 Engine Trunnion Group
| 4N***81 | Trunnion Group-Engine | 1 |
4n7460 Valve Mechanism Group
| 4N***60 | Valve-Mechanism Group | 1 |
Cab, Gauges And Accessories
2g385 Air Conditioner Arrangement--Heating And Cooling
| 2G***85 | Air Conditioner Ar | 1 |
| 4N***62 | Compressor Group-Refrigerant | 1 |
| 8D***11 | Air Conditioner Group | 1 |
9p187 Air Conditioner Group--Type 3
| 9P***87 | Air Conditioner Group; Air Conditioner Group | 1 |
9p187 Air Conditioner Group--Type 2
| 9P***87 | Air Conditioner Group; Air Conditioner Group | 1 |
8d9811 Air Conditioner Group--Type 2
| 8D***11 | Air Conditioner Group | 1 |
9p187 Air Conditioner Group--Type 1
| 9P***87 | Air Conditioner Group; Air Conditioner Group | 1 |
8d9811 Air Conditioner Group--Replaced By 9p187 Shown On Page 272a--
| 8D***11 | Air Conditioner Group | 1 |
3v7114 Basic Belt Group
| 3V***14 | Belt Group | 1 |
6g699 Cab Blower Group--Type 1
| 6G***99 | Blower Group-Cab | 1 |
6g699 Cab Blower Group--Type 2
| 6G***99 | Blower Group-Cab | 1 |
2g7820 Cab Group--Part 1 Of 2
| 2G***20 | Cab Group | 1 |
2g3710 Cab Group--Part 2 Of 2
| 2G***10 | Cab Group | 1 |
2g3710 Cab Group--Part 1 Of 2
| 2G***10 | Cab Group | 1 |
6g750 Cab Group
| 6G***50 | Cab Group | 1 |
2g3850 Cab Group
| 2G***50 | Cab Group | 1 |
2g7820 Cab Group--Part 2 Of 2
| 2G***20 | Cab Group | 1 |
2g7840 Cab Group--Part 1 Of 2
| 2G***40 | Cab Group-Truck | 1 |
2g7840 Cab Group--Part 2 Of 2
| 2G***40 | Cab Group-Truck | 1 |
8d6600 Cab Visor Group
| 8D***00 | Cab Visor Group | 1 |
7n4297 Clutch And Refrigerant Compressor Group
| 7N***97 | Clutch & Refrig Compressor Group | 1 |
4n4462 Refrigerant Compressor Group--Type 3
| 4N***62 | Compressor Group-Refrigerant | 1 |
4n4462 Refrigerant Compressor Group--Type 2
| 4N***62 | Compressor Group-Refrigerant | 1 |
1p2780 Refrigerant Compressor Group
| 1P***80 | Compressor Group-Refrigerant | 1 |
4n4462 Refrigerant Compressor Group--Type 1
| 4N***62 | Compressor Group-Refrigerant | 1 |
9d5315 Condenser And Mounting Group--Type 2
| 9D***15 | Condenser Group | 1 |
9d5315 Condenser And Mounting Group--Type 1
| 9D***15 | Condenser Group | 1 |
8d7570 Door Group--R.H.--Part 2 Of 2
| 8D***70 | Door Group | 1 |
8d7570 Door Group--R.H.--Part 1 Of 2
| 8D***70 | Door Group | 1 |
8d7580 Door Group--L.H.--Part 1 Of 2
| 8D***80 | Door Group | 1 |
8d7580 Door Group--L.H.--Part 2 Of 2
| 8D***80 | Door Group | 1 |
9d4795 Tachometer Drive Group--Cab Area
| 9D***95 | Drive Group-Tachometer | 1 |
4n8027 Tachometer Drive Group
| 4N***27 | Drive Group-Tachometer | 1 |
9d5325 Tachometer Drive Group--Chassis Area
| 9D***25 | Drive Group-Tachometer | 1 |
2g8340 Window Guard Group--With Rops
| 2G***40 | Guard Group-Window | 1 |
9p220 Harness Assembly
| 9P***20 | Harness As | 1 |
9p219 Harness Assembly
| 9P***19 | Harness As | 1 |
6g2471 Heater Arrangement--Low Ambient Temperature Operations
| 6G***30 | Heater Group-Cab; Cab Heater Group | 1 |
| 6G***60 | Lines Group-Heater | 1 |
| 6G***71 | Heater Ar | 1 |
6g780 Heater Arrangement--Field Installation
| 00***89 | Valve As-Drain | 2 |
| 0T***02 | Bolt; (3/8-16x0.625-In)(Shield To Head) | 1 |
| 1B***30 | Nut-- Flame Arrestor Or Adapter To Pipe Assembly | 7 |
9p188 Heater Group--Type 3
| 9P***88 | Heater Group | 1 |
9p188 Heater Group--Type 1
| 9P***88 | Heater Group | 1 |
9p188 Heater Group--Type 2
| 9P***88 | Heater Group | 1 |
9d4660 Cab Heater Group
| 9D***60 | Heater Group-Cab | 1 |
6g830 Cab Heater Group--Field Installation--Type 1
| 6G***30 | Heater Group-Cab; Cab Heater Group | 1 |
6g830 Cab Heater Group--Field Installation--Type 2
| 6G***30 | Heater Group-Cab; Cab Heater Group | 1 |
5d6998 Air Horn Assembly
| 5D***98 | Horn Group-Air | 1 |
9d4800 Air Horn Group--Cab Area
| 9D***00 | Horn Group-Air; -Cab | 1 |
9d5460 Air Horn Group--Chassis Area
| 9D***60 | Horn Group-Air | 1 |
9d4780 Air Conditioner Lines Group
| 9D***80 | Lines Group-Air Conditioner | 1 |
6g1760 Heater Lines Group
| 6G***60 | Lines Group-Heater | 1 |
9d5390 Heater Lines Group
| 9D***90 | Lines Group-Heater | 1 |
5t5495 Wiper Linkage Group
| 5T***95 | Linkage Group-Wiper | 1 |
2g1580 Rear View Mirror Group--Cab Area
| 2G***80 | Mirror Group | 1 |
9d4670 Rear View Mirror Group--Chassis Area
| 9D***70 | Mirror Group-Rear View | 1 |
9d3730 Wiper Motor Group
| 9D***30 | Motor Group-Wiper | 1 |
5t5577 Wiper Motor Group
| 5T***77 | Motor Group-Wiper | 1 |
7v9507 Seat Belt Group
| 7V***07 | Seat Belt Group | 1 |
6g850 Seat Group
| 6G***50 | Seat Group | 1 |
9d7960 Seat Group
| 9D***60 | Seat Group | 1 |
9d6210 Adjustable Seat Group
| 9D***10 | Seat Group-Adjustable | 1 |
9d3960 Recording Tachograph Group--24 Volt
| 9D***60 | Tachograph Group | 1 |
6n8161 Tachometer Drive Group
| 6N***61 | Tachometer Drive Group | 1 |
9d4975 Safety Tread Group
| 9D***75 | Tread Group-Safety | 1 |
3d9943 Horn Valve Group
| 3D***43 | Valve As-Horn | 1 |
6g5265 Cab Visor Group
| 6G***65 | Visor Group-Cab | 1 |
9d8902 Washer Group
| 9D***02 | Washer Group | 1 |
8d6950 Windshield Washer Group
| 8D***50 | Washer Group-Windshield | 1 |
6g1660 Weather Insulation Group--Field Installation
| 6G***60 | Weather Insulation Group | 1 |
9d8465 Window Guard Group--Type 2
| 9D***65 | Window Guard Group | 1 |
9d8465 Window Guard Group--Type 1
| 9D***65 | Window Guard Group | 1 |
8d6960 Windshield Wiper Group
| 8D***60 | Wiper Group-Windshield | 1 |
6g783 Wire Assembly
| 6G***83 | Wire As | 1 |
Chassis
9d8505 Windrow Breaker Group
| 9D***05 | Breaker Group-Windrow | 1 |
9d4240 Catwalk Group
| 9D***40 | Catwalk Group | 1 |
9d4865 Cowling Group
| 9D***65 | Cowling Group | 1 |
2g3120 Door Control Group--Tractor Parts
| 2G***20 | Door Control Group | 1 |
9d4870 Fender Group--Front
| 9D***70 | Fender Group | 1 |
2g140 Fender Group--Rear
| 2G***40 | Fender Group; -Tractor | 1 |
6g1592 Frame Assembly--Part 1 Of 2
| 6G***92 | Frame Assembly | 1 |
2g2389 Frame Assembly--Part 2 Of 2
| 2G***89 | Frame Assembly | 1 |
6g1592 Frame Assembly--Part 2 Of 2
| 6G***92 | Frame Assembly | 1 |
2g2389 Frame Assembly--Part 1 Of 2
| 2G***89 | Frame Assembly | 1 |
2g2470 Frame Group
| 2G***70 | Frame Group | 1 |
9d4150 Drive Shaft Guard Group
| 9D***50 | Guard Group-Drive Shaft | 1 |
2g110 Hitch Group
| 2G***10 | Hitch Group | 1 |
9d5040 Hood Group--Part 1 Of 2
| 9D***40 | Hood Group | 1 |
6g1585 Hood Group--Part 2 Of 3
| 6G***85 | Hood Group | 1 |
9d5040 Hood Group--Part 2 Of 2
| 9D***40 | Hood Group | 1 |
6g1585 Hood Group--Part 3 Of 3
| 6G***85 | Hood Group | 1 |
6g1585 Hood Group--Part 1 Of 3
| 6G***85 | Hood Group | 1 |
9d4685 Ladder Group
| 9D***85 | Ladder Group | 1 |
9d2900 Hydraulic Tank Mounting Group
| 9D***00 | Mounting Group-Hydraulic Tank | 1 |
2g145 Platform Group--Rear
| 2G***45 | Platform Group | 1 |
9d4680 Platform Group
| 9D***80 | Platform Group | 1 |
9d4680 Platform Group--Side
| 9D***80 | Platform Group | 1 |
2g1280 Turn Stop Group
| 2G***80 | Stop Group-Turn | 1 |
3g683 Front Suspension Group
| 3G***83 | Suspension Group | 1 |
4t3235 Front Suspension Group
| 4T***35 | Suspension Group-Front | 1 |
| 4T***56 | Suspension Group-Front; (Cylinder) | 1 |
| 5P***79 | Tag-Notice; (Cylinder Pressure) | 1 |
4t4756 Front Suspension Group
| 4T***56 | Suspension Group-Front; (Cylinder) | 1 |
9d2680 Front Suspension Group
| 9D***80 | Suspension Group-Front; -Non-Eu Front Struts | 1 |
9j7776 Rear Suspension Group
| 9J***76 | Suspension Group-Rear | 1 |
9d2730 Rear Suspension Group
| 9D***30 | Suspension Group-Rear; -Cylinder | 1 |
Cooling System
4n7718 Water Aftercooler Group
| 4N***18 | Aftercooler Group-Water | 1 |
4n4836 Brake And Torque Converter Cooler Group--End View--Part 1 Of 3
| 4N***36 | Cooler Group-Brake & Torque Conv | 1 |
4n4836 Brake And Torque Converter Cooler Group--Side View--Part 2 Of 3
| 4N***36 | Cooler Group-Brake & Torque Conv | 1 |
4n4836 Brake And Torque Converter Cooler Group--Side View--Part 3 Of 3
| 4N***36 | Cooler Group-Brake & Torque Conv | 1 |
4w7063 Brake And Torque Converter Cooler Group--Part 2 Of 3
| 4W***63 | Cooler Group-Brake & Torque Conv | 1 |
4w7063 Brake And Torque Converter Cooler Group--Part 1 Of 3
| 4W***63 | Cooler Group-Brake & Torque Conv | 1 |
4w7063 Brake And Torque Converter Cooler Group--Part 3 Of 3
| 4W***63 | Cooler Group-Brake & Torque Conv | 1 |
4n4726 Engine Oil Cooler Group
| 4N***26 | Cooler Group-Engine Oil | 1 |
4w0413 Oil Cooler Core Group
| 4W***13 | Core Group-Oil Cooler; -Rear Brake, Hoist-Front Brake, Tc | 1 |
1w5942 Oil Cooler Core Group
| 1W***42 | Core Group-Oil Cooler | 1 |
4w294 Oil Cooler Core Group
| 4W***94 | Core Group-Oil Cooler; Oil Cooler Group Between 41 And | 1 |
4n4533 Suction Fan And Guard Group
| 4N***33 | Fan Group-Suction | 1 |
6n4758 Jacket Water Heater Group
| 6N***58 | Heater Group-Jacket Water | 1 |
5t8979 Oil Cooler Lines Group
| 5T***79 | Lines Group-Oil Cooler | 1 |
5t8786 Power Train Cooler Lines Group
| 5T***86 | Lines Group-Power Train Cooler | 1 |
4n4661 Aftercooler Water Lines Group
| 4N***61 | Lines Group-Water | 1 |
4n4598 Jacket Water Lines Group--Part 1 Of 2
| 4N***98 | Lines Group-Water | 1 |
4n4598 Jacket Water Lines Group--Part 2 Of 2
| 4N***98 | Lines Group-Water | 1 |
6n6366 Water Pump Group
| 6N***66 | Pump Group-Water; Water Pump Group | 1 |
1n8576 Aftercooler Water Pump Group
| 1N***76 | Pump Group-Water | 1 |
4n5244 Radiator Group--Engine--Side View-Part 2 Of 2
| 4N***44 | Radiator Group | 1 |
4n4106 Radiator Group--Aftercooler--Part 2 Of 2
| 4N***06 | Radiator Group | 1 |
4n4106 Radiator Group--Aftercooler--Part 1 Of 2
| 4N***06 | Radiator Group | 1 |
4n5244 Radiator Group--Engine--Side View Part 2 Of 2
| 4N***44 | Radiator Group | 1 |
4n5244 Radiator Group--Engine--Rear View-Part 1 Of 2
| 4N***44 | Radiator Group | 1 |
4n5244 Radiator Group--Engine--Rear View Part 1 Of 2
| 4N***44 | Radiator Group | 1 |
7t297 Valve Group--Cooler By-Pass
| 7T***97 | Valve Group-Cooler Bypass; -Transmission Oil Cooler Inlet | 1 |
Engine Arrangement
4n8330 Basic Engine Arrangement--Part 2 Of 2
| 1N***76 | Pump Group-Water | 1 |
| 2N***84 | Manifold Group-Exhaust | 1 |
| 2S***62 | Plug & Wiring Group-Glow; Glow Plug And Wiring Group | 1 |
4n8330 Basic Engine Arrangement--Part 1 Of 2
| 2S***11 | Cylinder Head Group | 1 |
| 2W***77 | Filter Group-Oil | 1 |
| 4N***16 | Damper & Pulley Group | 1 |
Fuel System And Governor
9d9880 Fast Fill Fuel Adapter Group--Automatic Shut-Off--Type 1
| 9D***80 | Adapter Group-Fast Fill Fuel | 1 |
9d9880 Fast Fill Fuel Adapter Group--Automatic Shut-Off--Type 2
| 9D***80 | Adapter Group-Fast Fill Fuel | 1 |
9d9890 Fast Fill Fuel Adapter Group--Manual Shut-Off
| 9D***90 | Adapter Group-Fast Fill Fuel | 1 |
4n8294 Fuel Ratio Control Group
| 4N***94 | Control Group-Fuel Ratio | 1 |
2p9625 Fuel Ratio Control Group
| 2P***25 | Control Group-Fuel Ratio; Fuel Ratio Control Group | 1 |
9d5310 Governor Control Group--Chassis Area
| 9D***10 | Control Group-Governor | 1 |
2g8970 Governor Control Group--Cab Area
| 2G***70 | Control Group-Governor | 1 |
9d630 Dust Cover Group
| 9D***30 | Cover-Dust | 1 |
4n6680 Variable Timing Drive Assembly
| 4N***80 | Drive As-Variable Timing | 1 |
8s2812 Fuel Filter Group
| 8S***12 | Filter Group-Fuel; Fuel Filter Group | 1 |
8h7204 Fuel Filter Group
| 8H***04 | Filter Group-Fuel | 1 |
6n945 Primary Fuel Filter Group
| 6N***45 | Filter Group-Primary Fuel | 1 |
9d9458 Fuel Gauge Group
| 9D***58 | Gauge Group-Fuel | 1 |
4n8295 Governor And Fuel Injection Pump Group
| 4N***95 | Gov & Fuel Inj Pump Group | 1 |
9d5305 Governor Control Group--Cab Area
| 9D***05 | Governor Control Group | 1 |
7n2852 Governor Group--Part 3 Of 3--Type 2
| 7N***52 | Governor Group | 1 |
7n2852 Governor Group--Part 2 Of 3--Type 1
| 7N***52 | Governor Group | 1 |
7n2852 Governor Group--Part 2 Of 3--Type 4
| 7N***52 | Governor Group | 1 |
4n4017 Governor Group--Part 2 Of 3
| 4N***17 | Governor Group | 1 |
7n2852 Governor Group--Part 2 Of 3--Type 2
| 7N***52 | Governor Group | 1 |
7n2852 Governor Group--Part 3 Of 3--Type 3
| 7N***52 | Governor Group | 1 |
4n4017 Governor Group--Part 3 Of 3
| 4N***17 | Governor Group | 1 |
7n2852 Governor Group--Part 1 Of 3--Type 2
| 7N***52 | Governor Group | 1 |
4n4017 Governor Group--Part 1 Of 3
| 4N***17 | Governor Group | 1 |
7n2852 Governor Group--Part 1 Of 3--Type 4
| 7N***52 | Governor Group | 1 |
7n2852 Governor Group--Part 3 Of 3--Type 1
| 7N***52 | Governor Group | 1 |
7n2852 Governor Group--Part 1 Of 3--Type 3
| 7N***52 | Governor Group | 1 |
7n2852 Governor Group--Part 2 Of 3--Type 3
| 7N***52 | Governor Group | 1 |
7n2852 Governor Group--Part 1 Of 3--Type 1
| 7N***52 | Governor Group | 1 |
7n2852 Governor Group--Part 3 Of 3--Type 4
| 7N***52 | Governor Group | 1 |
8n9775 Fuel Heater Group--Type 1
| 8N***75 | Heater Group-Fuel | 1 |
8n9775 Fuel Heater Group--Type 2
| 8N***75 | Heater Group-Fuel | 1 |
9d4740 Fuel Lines Group
| 9D***40 | Lines Group-Fuel | 1 |
4n7704 Fuel Injection Lines Group--Part 1 Of 2
| 4N***04 | Lines Group-Fuel Injection | 1 |
4n7704 Fuel Injection Lines Group--Part 2 Of 2
| 4N***04 | Lines Group-Fuel Injection | 1 |
5d1920 Protection Cover Group--Fuel Tank Cap
| 5D***20 | Protection Cover Group-Fuel Tank Cap; Protection Cover Group | 1 |
4n6712 Fuel Injection Pump Group--Part 1 Of 2--Type 1
| 4N***12 | Pump Group-Fuel Injection | 1 |
4n6712 Fuel Injection Pump Group--Part 1 Of 2--Type 2
| 4N***12 | Pump Group-Fuel Injection | 1 |
4n6712 Fuel Injection Pump Group--Part 2 Of 2--Type 2
| 4N***12 | Pump Group-Fuel Injection | 1 |
4n6712 Fuel Injection Pump Group--Part 2 Of 2--Type 1
| 4N***12 | Pump Group-Fuel Injection | 1 |
8s2001 Fuel Priming Pump Group
| 8S***01 | Pump Group-Fuel Priming; Fuel Priming Pump Group | 1 |
8s2793 Fuel Transfer Pump Group (8s2792 N/S)
| 8S***93 | Pump Group-Fuel Transfer | 1 |
9s5310 Governor Control Group--Chassis Area
| 9S***10 | Seat Group-Adjustable | 1 |
4n7776 Service Meter Group
| 4N***76 | Service Meter Group | 1 |
4n4358 Governor Torque Spring Group
| 4N***58 | Spring Group-Governor Torque; Governor Torque Spring Group | 1 |
9d3785 Fuel Tank Group
| 9D***85 | Tank Group-Fuel | 1 |
2g9000 Fast Fill Adapter Group
| 2G***00 | Valve As-Tank | 1 |
Hydraulic System
9g9288 Steering Tank Cap Protection Cover Group
| 9G***88 | Protection Cover Group; -Hydraulic Tank-Steering Tank Fill Cap-Hydraulic Tank Fill Cap | 1 |
2g1810 Accumulator And Mounting Group
| 2G***10 | Accumulator And Mounting Group | 1 |
9j2019 Accumulator Group
| 9J***19 | Accumulator Group | 1 |
3g3964 Accumulator Group
| 3G***64 | Accumulator Group | 1 |
5t6942 Protection Covers Group--Transmission Tank Cap
| 5T***42 | Cap Group-Protection; -Transmission Tank Fill Cap | 1 |
9d4600 Door Cylinder Control Group--Chassis Area
| 9D***00 | Control Group-Hoist; -Chassis | 1 |
9d4110 Door Cylinder Control Group--Cab Area
| 9D***10 | Control Group-Hoist | 1 |
8j5381 Control Valve Group
| 8J***81 | Control Valve Group | 1 |
5t8748 Split Oil--Field Conversion Arrangement--Hydraulic
| 4W***63 | Cooler Group-Brake & Torque Conv | 1 |
| 5T***48 | Conversion Ar-Split Oil(Field) | 1 |
| 5T***80 | Drive Group-Pump | 1 |
5d1910 Protection Cover Group--Steering Tank Cap
| 5D***10 | Cover Group-Protection; Protection Cover Group Hydraulic Tank Cap | 1 |
5d1900 Protection Cover Group--Hydraulic Tank Cap
| 5D***00 | Cover Group-Protection; Protection Cover Group-- Hydraulic Tank Cap | 1 |
6g8380 Protection Cover Group--Steering Tank Cap
| 6G***80 | Covers Group-Protection | 1 |
6g8390 Hydraulic Tank Cap Protection Cover Group
| 6G***90 | Covers Group-Protection; -Brake, Hoist, Torque Converter | 1 |
9d2910 Steering Cylinder And Mounting Group
| 9D***10 | Cylinder & Mounting Group | 1 |
8j9912 Steering Cylinder Group (Change 0-2)--4" Bore X 17.40" Stroke
| 8J***12 | Cylinder Group-Steering | 1 |
9d2735 Pump Drive Group--Transmission, Steering And Door Cylinder
| 9D***35 | Drive Group-Pump | 1 |
5t8780 Pump Drive Group
| 5T***80 | Drive Group-Pump | 1 |
2g1980 Grease Lines Group
| 2G***80 | Lines Group-Grease | 1 |
5t8789 Rear Attachment Lines Group
| 5T***89 | Lines Group-Rear | 1 |
9d8495 Rear Attachment Lines Group
| 9D***95 | Lines Group-Rear | 1 |
5t8824 Pump Group
| 5T***24 | Pump Group | 1 |
9d2287 Gear Pump Group--Door Cylinder--Single Section
| 9D***87 | Pump Group-Gear; -Hoist | 1 |
3t8089 Gear Pump Group
| 3T***89 | Pump Group-Gear; (Transmission) | 1 |
4t2590 Gear Pump Group
| 4T***90 | Pump Group-Gear | 1 |
3t8098 Gear Pump Group
| 3T***98 | Pump Group-Gear; -Torque Converter Charging, Scavenge, Parking Brake Release | 1 |
3t3712 Gear Pump Group
| 3T***12 | Pump Group-Gear; -Brake Cooling | 1 |
9j7152 Steering Tank And Filter Group (2g700 N/S)--Part 1 Of 2--Type 1
| 9J***52 | Tank & Filter Group | 1 |
9j7152 Steering Tank And Filter Group (2g700 N/S)--Part 1 Of 2--Type 2
| 9J***52 | Tank & Filter Group | 1 |
9j7152 Steering Tank And Filter Group (2g700 N/S)--Part 2 Of 2
| 9J***52 | Tank & Filter Group | 1 |
9j7152 Steering Tank And Filter Group (2g700 N/S)--Part 1 Of 2
| 9J***52 | Tank & Filter Group | 1 |
9j7152 Steering Tank And Filter Group (2g700 N/S)--Part 2 Of 2--Type 2
| 9J***52 | Tank & Filter Group | 1 |
9j7152 Steering Tank & Filter Group (2g700 N/S)--Part 2 Of 2--Type 1
| 9J***52 | Tank & Filter Group | 1 |
8j4600 Hydraulic Tank And Valve Group--Part 3 Of 4
| 8J***00 | Tank & Valve Group | 1 |
8j4600 Hydraulic Tank And Valve Group--Part 1 Of 4
| 8J***00 | Tank & Valve Group | 1 |
8j4600 Hydraulic Tank And Valve Group--Part 2 Of 4
| 8J***00 | Tank & Valve Group | 1 |
8j4600 Hydraulic Tank And Valve Group--Part 4 Of 4
| 8J***00 | Tank & Valve Group | 1 |
5t8823 Field Conversion Tank Group--Part 2 Of 2
| 4J***23 | Packing,Preformed Cover And Valve Body | 3 |
| 4J***15 | Gasket; (Fill Cap) | 1 |
| 5T***23 | Tank Group | 1 |
5t8823 Field Conversion Tank Group--Part 1 Of 2
| 03***17 | Screw-Button Head; (3/8-16x1-In) | 8 |
| 0L***51 | Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold | 26 |
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 4 |
5t8823 Tank Group
| 5T***23 | Tank Group | 1 |
8j8321 Control Valve Group
| 8J***21 | Valve Group-Control | 1 |
8j2380 Relief Valve Group
| 8J***80 | Valve Group-Relief; -Rear Brake | 1 |
9j622 Relief Valve Group--Pilot Operated
| 9J***22 | Valve Group-Relief; -Hoist | 1 |
Intake And Exhaust System
9d4030 Air Cleaner Group
| 9D***30 | Air Cleaner Group | 1 |
4n4433 Air Compressor Group
| 4N***33 | Air Compressor Group | 1 |
1p5011 Air Compressor Group
| 1P***11 | Air Compressor Group | 1 |
2g6125 Air Dryer Group--Brake
| 2G***25 | Air Dryer Group | 1 |
2w4226 Turbocharger Oil Supply Conversion Group--Field Installation
| 2W***26 | Conversion Group-Turbo Oil Supply | 1 |
4n4727 Fumes Disposal Group
| 4N***27 | Fumes Disposal Group | 1 |
4n8273 Air Lines Group
| 4N***73 | Lines Group-Air | 1 |
9d4010 Air Lines Group--Intake
| 9D***10 | Lines Group-Air | 1 |
4n4612 Turbocharger Oil Lines Group
| 4N***12 | Lines Group-Turbocharger Oil | 1 |
2n6984 Exhaust Manifold Group
| 2N***84 | Manifold Group-Exhaust | 1 |
2g2350 Exhaust Piping Group
| 2G***50 | Piping Group-Exhaust | 1 |
6g4460 Precleaner Group
| 6G***60 | Precleaner Group | 1 |
6n7256 Turbocharger Group--R.H.
| 6N***57 | Turbo Charger Group,Turbo Charger Group | 1 |
4n7070 Turbocharger Group
| 4N***70 | Turbocharger | 1 |
8n9134 Turbocharger Group--R.H.
| 8N***34 | Turbocharger Group | 1 |
8n9133 Turbocharger Group--L.H.
| 8N***33 | Turbocharger Group | 1 |
9l5918 Basic Turbocharger Group--Field Installation
| 9L***18 | Turbocharger Group | 1 |
Lubrication System
8s6180 Breather Group
| 8S***80 | Breather Group; Breather And Fumes Disposal Group | 1 |
2w4832 Engine Oil Filter Conversion Group--Field Installation
| 2W***32 | Conversion Group-Engine Oil Filter | 1 |
5n6435 Protection Cover Group--Oil Filler Cap
| 5N***35 | Cover Group-Oil Filler Cap Protn | 1 |
2s3025 Protection Cover Group--Oil Filler Cap
| 2S***25 | Cover Group-Protection; Protection Cover Group | 1 |
6n1173 Oil Drain Extension Group
| 6N***73 | Extension Group-Drain | 1 |
4n6138 Oil Filler Group
| 4N***38 | Filler Group-Oil | 1 |
6n8224 Oil Filter Assembly
| 6N***24 | Filter As-Oil | 1 |
7n8417 Oil Filter Assembly
| 7N***17 | Filter As-Oil | 1 |
6n1570 Oil Filter Group--Side Mounted
| 6N***70 | Filter As-Oil | 1 |
7s7052 Oil Filter Group--Top View
| 7S***52 | Filter Group-Oil | 1 |
2w577 Oil Filter Group
| 2W***77 | Filter Group-Oil | 1 |
4n6136 Oil Lines Group
| 4N***36 | Lines Group-Engine Oil | 1 |
9d5395 High Speed Oil Change Group
| 9D***95 | Oil Change Group-High Speed | 1 |
9s9671 Oil Pump Group
| 9S***71 | Oil Pump Assembly | 1 |
4n8117 Oil Pump Group
| 4N***17 | Oil Pump Group | 1 |
8n1928 Oil Pump Group
| 8N***28 | Pump Group-Engine Oil | 1 |
8n1926 Oil Pump Group
| 8N***26 | Pump Group-Engine Oil | 1 |
Power Train-Power Transmission Unit
2g8110 Accumulator And Mounting Group
| 2G***10 | Accumulator & Mounting Group | 1 |
6p7816 Accumulator Group
| 6P***16 | Accumulator Group | 1 |
8p9504 Accumulator Group
| 8P***04 | Accumulator Group | 1 |
2p9274 Transmission Case And Covers Group--Side View Part 1 Of 2
| 2P***74 | Case & Parts Group | 1 |
2p9274 Transmission Case And Covers Group--End View Part 2 Of 2
| 2P***74 | Case & Parts Group | 1 |
9d8615 Transmission Control Group
| 9D***15 | Control Group-Transmission | 1 |
2p9260 Transmission Hydraulic Control Group--Part 1 Of 3
| 2P***60 | Control Group-Transmission Hydraulic | 1 |
2p9260 Transmission Hydraulic Control Group--Part 2 Of 3
| 2P***60 | Control Group-Transmission Hydraulic | 1 |
2p9260 Transmission Hydraulic Control Group--Part 3 Of 3
| 2P***60 | Control Group-Transmission Hydraulic | 1 |
2p9217 Shift Cylinder Group
| 2P***17 | Cylinder Group-Shift | 1 |
9d2315 Differential And Bevel Gear Group
| 9D***15 | Differential & Bevel Gear Group | 1 |
6g7565 Differential Group
| 6G***65 | Differential Group | 1 |
8d5620 Differential Group
| 8D***20 | Differential Group | 1 |
9d1920 No-Spin Differential Group
| 9D***20 | Differential Group-No-Spin | 1 |
9d3525 Drive Shaft Group--Hydraulic Pump
| 9D***25 | Drive Shaft Group | 1 |
2g4080 Drive Shaft Group
| 2G***80 | Drive Shaft Group; -Main | 1 |
9j8751 External Filter Group
| 9J***51 | External Filter Group | 1 |
3g7231 External Filter Group
| 3G***31 | Filter Group-External | 1 |
6p4603 Transmission Filter Group--With Housing
| 6P***03 | Filter Group-Oil; -Park Brake Release, Xmsn-Parking Brake Release-Rear Brakes | 1 |
7j5618 Transmission Filter Group
| 7J***18 | Filter Group-Oil | 1 |
9d2710 Final Drive Group
| 9D***10 | Final Drive Group | 1 |
8p6843 Gear Pump Group--Transmission Scavenge
| 8P***43 | Gear Pump Group | 1 |
2p6961 Gear Pump Group--Transmission Charging
| 2P***61 | Gear Pump Group | 1 |
2p9275 Governor And Drive Group
| 2P***75 | Governor And Drive Group | 1 |
8s6340 Governor Group
| 8S***40 | Governor Group | 1 |
5t8783 Drive Shaft Guard Group
| 5T***83 | Guard Group-Drive Shaft | 1 |
9d2720 Rear Axle Housing Group
| 9D***20 | Housing Group-Rear Axle | 1 |
9d5340 Power Train Oil Lines Group--Part 3 Of 4
| 9D***40 | Lines Group-Power Train Oil | 1 |
9d5340 Power Train Oil Lines Group--Part 4 Of 4
| 9D***40 | Lines Group-Power Train Oil | 1 |
5t8787 Power Train Oil Lines Group--Part 5 Of 5
| 5T***87 | Lines Group-Power Train Oil | 1 |
9d5340 Power Train Oil Lines Group--Part 2 Of 4
| 9D***40 | Lines Group-Power Train Oil | 1 |
9d5340 Power Train Oil Lines Group--Part 1 Of 4
| 9D***40 | Lines Group-Power Train Oil | 1 |
5t8787 Power Train Oil Lines Group--Part 3 Of 5
| 5T***87 | Lines Group-Power Train Oil | 1 |
5t8787 Power Train Oil Lines Group--Part 1 Of 5
| 5T***87 | Lines Group-Power Train Oil | 1 |
5t8787 Power Train Oil Lines Group--Part 2 Of 5
| 5T***87 | Lines Group-Power Train Oil | 1 |
5t8787 Power Train Oil Lines Group--Part 4 Of 5
| 5T***87 | Lines Group-Power Train Oil | 1 |
7t6032 Valve Group--Part 2 Of 2
| 03***88 | Connector-Tube Assembly To Main Relief | 1 |
| 2S***82 | Seal (High Temperature) | 1 |
| 3L***68 | "O" Ring | 1 |
7t6032 Valve Group--Part 1 Of 2
| 0S***18 | Bolt; (5/16-18x1-In)(Hydraulic Pump) | 6 |
| 1D***40 | Bolt,Machine Fuel Filter Mounting | 4 |
| 1F***18 | Pin | 1 |
6p3328 Pressure Control Valve Group--Part 1 Of 2--Replaced By 7g2612 On Pages 167c & 167d
| 6P***28 | Pressure Control Valve Group | 1 |
6p3328 Pressure Control Valve Group--Part 2 Of 2
| 6P***28 | Pressure Control Valve Group | 1 |
6p3328 Pressure Control Valve Group--Part 1 Of 2
| 6P***28 | Pressure Control Valve Group | 1 |
9d2288 Gear Pump Group--Transmission Charging--Double Section
| 9D***88 | Pump Group-Gear | 1 |
8p6851 Gear Pump Group--Transmission Scavenge--Triple Section
| 8P***51 | Pump Group-Gear | 1 |
9d5805 Demountable Rim Group--27.00 X 49 Tubeless Tires
| 9D***05 | Rim Group-Demountable | 1 |
9d5805 Demountable Rim Group--27.00 X 49
| 9D***05 | Rim Group-Demountable | 1 |
9m8669 Magnetic Screen Group
| 9M***69 | Screen Group-Magnetic; -Differential Lock | 1 |
6t3361 Magnetic Screen Group
| 6T***61 | Screen Group-Magnetic; -Transmission Oil Lines | 1 |
7s6937 Selector Valve Group--Replaced By 8p4221 On Page 168a
| 7S***37 | Selector Valve Group | 1 |
9p6582 Shift Pressure Valve Group
| 9P***82 | Shift Pressure Valve Group | 1 |
2g3130 Slip Joint Group
| 2G***30 | Slip Joint Group | 1 |
6p1814 Torque Converter Group
| 6P***14 | Torque Converter Group | 1 |
1t1099 Torque Converter Group--Part 1 Of 2
| 1T***99 | Torque Converter Group | 1 |
1t1099 Torque Converter Group--Part 2 Of 2
| 1T***99 | Torque Converter Group | 1 |
2p9273 Transfer Gear Group--Input
| 2P***73 | Transfer Gear Group | 1 |
2p9266 Transmission Arrangement
| 2P***66 | Transmission Ar | 1 |
2p9272 Planetary Transmission Group--Part 6 Of 6
| 2P***72 | Transmission Rear Axle Planetary | 1 |
2p9272 Planetary Transmission Group--Part 1 Of 6
| 2P***72 | Transmission Rear Axle Planetary | 1 |
2p9272 Planetary Transmission Group--Part 3 Of 6
| 2P***72 | Transmission Rear Axle Planetary | 1 |
2p9272 Planetary Transmission Group--Part 5 Of 6
| 2P***72 | Transmission Rear Axle Planetary | 1 |
2p9272 Planetary Transmission Group--Part 4 Of 6
| 2P***72 | Transmission Rear Axle Planetary | 1 |
2p9272 Planetary Transmission Group--Part 2 Of 6
| 2P***72 | Transmission Rear Axle Planetary | 1 |
9d2745 Universal Joint Group
| 9D***45 | Universal Joint Group | 1 |
3p5205 Automatic Pressure Control Valve Group
| 3P***05 | Valve Group | 1 |
3p5205 Automatic Pressure Control Valve Group--Type 1
| 3P***05 | Valve Group | 1 |
6p3075 Automatic Pressure And Selector Valve Group--Type 1
| 6P***75 | Valve Group | 1 |
6p3075 Automatic Pressure And Selector Valve Group--Type 2
| 6P***75 | Valve Group | 1 |
3p5205 Automatic Pressure Control Valve Group--Type 2
| 3P***05 | Valve Group | 1 |
6p3075 Automatic Pressure And Selector Valve Group
| 6P***75 | Valve Group | 1 |
3p4991 Automatic Selector Valve Group
| 3P***91 | Valve Group-Auto | 1 |
3p4992 Governor Cut-Off Valve Group
| 3P***92 | Valve Group-Governor | 1 |
7g2612 Pressure Control Valve Group--Part 1 Of 2
| 7G***12 | Valve Group-Pressure Control | 1 |
7g2612 Pressure Control Valve Group--Part 2 Of 2
| 7G***12 | Valve Group-Pressure Control | 1 |
3p349 Torque Converter Outlet Relief Valve Group--Type 1
| 3P***49 | Valve Group-Relief | 1 |
3p349 Torque Converter Outlet Relief Valve Group--Type 3
| 3P***49 | Valve Group-Relief | 1 |
3p348 Torque Converter Inlet Relief Valve Group
| 3P***48 | Valve Group-Relief; -Torque Converter Inlet | 1 |
8p4221 Selector Valve Group
| 8P***21 | Valve Group-Selector | 1 |
3p216 Sequence And Pressure Control Valve Group
| 3P***16 | Valve Group-Sequence & Press Cont | 1 |
7g4102 Shift Pressure Valve Group
| 7G***02 | Valve Group-Shift | 1 |
6p3526 Shift Pressure Valve Group
| 6P***26 | Valve Group-Shift Pressure | 1 |
9d5800 Rear Wheel Group
| 9D***00 | Wheel Group-Rear | 1 |
Service Equipment And Supplies
Gasket Kits
| 5P***08 | Transmission Overhaul | 0 |
| 5P***09 | Torque Converter | 0 |
| 5P***89 | Single Cylinder Liner | 0 |
Name Plates And Transfers
| 1P***76 | Film-Cat On Side Of Operator Compartment | 1 |
| 2D***80 | Plate; Serial Number On R.H. Side Of Cylinder Block | 1 |
| 3N***90 | Plate Serial Number; On R.H. Rear Bank Of Cylinder Block As Viewed From Rear Of Engine | 1 |
Starting And Electrical System
2g380 Air Starting Arrangement
| 2G***80 | Air Starting Ar | 1 |
| 2G***70 | Safety Tread Group | 1 |
| 6D***42 | Tread-Anti-Skid | 1 |
9d5320 Air Starting Control Group--Top View--Part 3 Of 4
| 9D***20 | Air Starting Control Group | 1 |
9d5320 Air Starting Control Group--Side View--Part 2 Of 4
| 9D***20 | Air Starting Control Group | 1 |
9d5320 Air Starting Control Group--Side View--Part 1 Of 4
| 9D***20 | Air Starting Control Group | 1 |
9d5320 Air Starting Control Group--Top View--Part 4 Of 4
| 9D***20 | Air Starting Control Group | 1 |
9d4790 Air Starting Wiring Group
| 9D***90 | Air Starting Wiring Group | 1 |
9d1329 Alarm Group
| 9D***29 | Alarm Group; (24 Volt) | 1 |
5s9088 Alternator Assembly--Part 1 Of 2--Type 2
| 5S***88 | Alternator Group-Charging | 1 |
5s9088 Alternator Assembly--Part 1 Of 2--Type 1
| 5S***88 | Alternator Group-Charging | 1 |
3t1888 Alternator Group--Delco-Remy--24 Volt, 50 Ampere--Part 2 Of 2
| 3T***88 | Alternator Group-Charging; Alternator Group Delco-Remy 24 Volt, 50 Ampere | 1 |
5s9088 Alternator Assembly--Part 2 Of 2--Type 2
| 5S***88 | Alternator Group-Charging | 1 |
5s9088 Alternator Assembly--Part 2 Of 2--Type 1
| 5S***88 | Alternator Group-Charging | 1 |
9g9538 Alternator Group--24 Volt, 50 Ampere
| 9G***38 | Alternator Group-Charging | 1 |
5s9088 Alternator Assembly--24 Volt, 50 Ampere--Type 3
| 3T***88 | Alternator Group-Charging; Alternator Group Delco-Remy 24 Volt, 50 Ampere | 1 |
| 5S***88 | Alternator Group-Charging | 1 |
| 9G***38 | Alternator Group-Charging | 1 |
3t1888 Alternator Group--Delco-Remy--24 Volt--50 Ampere--Part 1 Of 2
| 3T***88 | Alternator Group-Charging; Alternator Group Delco-Remy 24 Volt, 50 Ampere | 1 |
9s3186 Alternator Group--24 Volt, 50 Ampere
| 9S***86 | Alternator Group-Charging | 1 |
7d9375 Alarm Group
| 7D***75 | Basic Alarm Group | 1 |
Batteries And Cables--Part 2 Of 3
Batteries And Cables--Part 3 Of 3
Batteries And Cables--Parts 3 Of 3
Batteries And Cables--Part 1 Of 3
6g2780 Air Starting Control Group--Part 3 Of 3--Type 1
| 6G***80 | Control Group-Air Starting | 1 |
6g2780 Air Starting Control Group--Part 1 Of 3--Type 2
| 6G***80 | Control Group-Air Starting | 1 |
6g2780 Air Starting Control Group--Part 3 Of 3--Type 2
| 6G***80 | Control Group-Air Starting | 1 |
6g2780 Air Starting Control Group--Part 1 Of 3--Type 1
| 6G***80 | Control Group-Air Starting | 1 |
6g2780 Air Starting Control Group--Part 2 Of 3--Type 1
| 6G***80 | Control Group-Air Starting | 1 |
6g2780 Air Starting Control Group--Part 2 Of 3--Type 2
| 6G***80 | Control Group-Air Starting | 1 |
9d6148 Instrument Panel Group--Part 2 Of 2
| 9D***48 | Dash Panel Assembly | 1 |
9d6148 Instrument Panel Assembly--Part 1 Of 2
| 9D***48 | Dash Panel Assembly | 1 |
9d6148 Instrument Panel Assembly--Part 2 Of 2
| 9D***48 | Dash Panel Assembly | 1 |
9d6148 Instrument Panel Group--Part 1 Of 2
| 9D***48 | Dash Panel Assembly | 1 |
6g8333 Diode Assembly
| 6G***33 | Diode As | 1 |
2g8244 Diode Assembly
| 2G***44 | Diode Assembly | 1 |
9d1379 Diode Harness Assembly
| 9D***79 | Diode Harness Assembly | 1 |
Front Lamps And Harness
6g2951 Wiring Harness Assembly
| 6G***51 | Harness As | 1 |
6g8260 Wiring Harness Assembly--Part 2 Of 2
| 6G***60 | Harness As | 1 |
6g8260 Wiring Harness Assembly--Part 1 Of 2
| 6G***60 | Harness As | 1 |
9d8387 Wiring Harness Assembly
| 9D***87 | Harness As-Wiring | 1 |
5t3896 Harness Assembly--Field Installation
| 5T***96 | Harness As-Wiring | 1 |
5t2592 Wiring Harness Assembly
| 5T***92 | Harness As-Wiring | 1 |
7n8292 Fuse Holder, Fuse And Wire Kit--Field Installation
| 7N***92 | Kit-Fuse Holder | 1 |
5s5148 Head Lamp Group--24 Volt
| 5S***48 | Lamp Group; (High Beam) | 1 |
5s5147 Head Lamp Group--24 Volt
| 5S***47 | Lamp Group | 1 |
1m1882 Flood Lamp Group--24 Volt
| 1M***82 | Lamp Group | 1 |
6n7981 Lamp Group--Tail, Stop And Signal
| 6N***81 | Lamp Group | 1 |
9d5350 Lighting And Wiring Group--24 Volt--Cab Area--Part 2 Of 5
| 9D***50 | Lighting And Wiring Group | 1 |
9d5350 Lighting & Wiring Group--24 Volt--Cab Area--Part 3 Of 5
| 9D***50 | Lighting And Wiring Group | 1 |
9d5350 Lighting & Wiring Group--24 Volt--Cab Area--Part 5 Of 5
| 9D***50 | Lighting And Wiring Group | 1 |
9d5350 Lighting And Wiring Group--24 Volt--Cab Area--Part 5 Of 5
| 9D***50 | Lighting And Wiring Group | 1 |
9d5350 Lighting & Wiring Group--24 Volt--Cab Area--Part 1 Of 5
| 9D***50 | Lighting And Wiring Group | 1 |
9d5350 Lighting & Wiring Group--24 Volt--Cab Area--Part 4 Of 5
| 9D***50 | Lighting And Wiring Group | 1 |
9d5350 Lighting And Wiring Group--24 Volt--Cab Area--Part 1 Of 5
| 9D***50 | Lighting And Wiring Group | 1 |
9d5350 Lighting And Wiring Group--24 Volt--Cab Area--Part 3 Of 5
| 9D***50 | Lighting And Wiring Group | 1 |
9d5350 Lighting And Wiring Group--24 Volt--Cab Area--Part 4 Of 5
| 9D***50 | Lighting And Wiring Group | 1 |
7m4291 Magnetic Switch Assembly
| 7M***91 | Magnetic Switch Assembly | 1 |
6n2427 Air Starting Motor Group--Replaced By 3n9411 Shown On Page 131
| 6N***27 | Motor Group-Air Starting | 1 |
6n2428 Air Starting Motor Group
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 2 |
| 0S***89 | Bolt, Hex. Hd., 5/8"-11 N.C. X 1 3/4" | 3 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 2 |
6g310 Instrument Panel Group--Part 2 Of 2
| 6G***10 | Panel Group-Instrument; Instrument Panel Group | 1 |
6g310 Instrument Panel Group--Part 1 Of 2
| 6G***10 | Panel Group-Instrument; Instrument Panel Group | 1 |
6g340 Instrument Panel Group
| 2D***49 | Screw--1/4 Nc Thd. X 3/8" | 7 |
| 6G***10 | Panel Group-Instrument; Instrument Panel Group | 1 |
| 6G***40 | Panel Group-Instrument | 1 |
2s3262 Glow Plug And Wiring Group--24 Volt
| 2S***62 | Plug & Wiring Group-Glow; Glow Plug And Wiring Group | 1 |
Rear Lamps, Alarm And Harness
7n9847 Electrical Shut-Off Group--24-32 Volt
| 7N***47 | Shut-Off Group-Electrical | 1 |
3t3421 Solenoid Assembly
| 3T***21 | Solenoid As | 1 |
3t3421 Solenoid Assembly--24 Volt--Field Installation
| 3T***21 | Solenoid As | 1 |
3t4704 Solenoid Assembly--24 Volt
| 3T***04 | Solenoid As-Starter; (24-Volt) | 1 |
6g3130 Air Starting Arrangement
| 6G***80 | Control Group-Air Starting | 1 |
| 6G***30 | Starting Ar-Air | 1 |
| 6G***40 | Tread Group-Safety | 1 |
8h1913 Starting Motor Assembly--24 Volt--Part 2 Of 2--Field Installation
| 8H***13 | Starting Motor Assembly | 1 |
7l8797 Starting Motor Assembly--24 Volt--Part 2 Of 2
| 7L***97 | Starting Motor Assembly | 1 |
7l8797 Starting Motor Assembly--24 Volt--Part 1 Of 2
| 7L***97 | Starting Motor Assembly | 1 |
8h1913 Starting Motor Assembly--24 Volt--Part 1 Of 2--Field Installation
| 8H***13 | Starting Motor Assembly | 1 |
4n8118 Electric Starting Motor Group--Part 2 Of 2
| 4N***18 | Starting Motor Group | 1 |
4n8118 Electric Starting Motor Group--Part 1 Of 2
| 4N***18 | Starting Motor Group | 1 |
3n9411 Air Starting Motor Group--Field Installation
| 3N***11 | Starting Motor Group-Air | 1 |
3t3153 Electric Starting Motor Group--Delco-Remy--Part 1 Of 3
| 3T***53 | Starting Motor Group-Electric | 1 |
4n8116 Electric Starting Motor Group--24 Volt
| 4N***16 | Starting Motor Group-Electric | 1 |
4n8116 Electric Starting Motor Group
| 4N***16 | Starting Motor Group-Electric | 1 |
3t2646 Electric Starting Motor Group--24 Volt--Part 1 Of 3
| 3T***46 | Starting Motor Group-Electric | 1 |
3t2646 Electric Starting Motor Group--24 Volt--Part 3 Of 3
| 3T***46 | Starting Motor Group-Electric | 1 |
3t3153 Electric Starting Motor Group--Delco-Remy--Part 2 Of 3
| 3T***53 | Starting Motor Group-Electric | 1 |
3t2646 Electric Starting Motor Group--24 Volt--Part 2 Of 3
| 3T***46 | Starting Motor Group-Electric | 1 |
3t3153 Electric Starting Motor Group--Delco-Remy--Part 3 Of 3
| 3T***53 | Starting Motor Group-Electric | 1 |
Switch And Harness
7n718 Disconnect Switch Assembly
| 7N***18 | Switch As-Disconnect; -Battery-Ground Level | 1 |
7h7290 Disconnect Switch Assembly
| 7H***90 | Switch As-Disconnect | 1 |
4m1812 Solenoid Switch Assembly
| 4M***12 | Switch As-Solenoid | 1 |
6n5123 Solenoid Switch Assembly--24 Volt
| 6N***23 | Switch As-Solenoid | 1 |
7n3621 Magnetic Switch Group
| 7N***21 | Switch Group | 1 |
4n9600 Coolant Flow Switch Group
| 4N***00 | Switch Group-Coolant Flow; Coolant Flow Switch Group | 1 |
Switches And Harness
6g3140 Safety Tread Group
| 6G***40 | Tread Group-Safety | 1 |
4d487 Check Valve Assembly
| 4D***87 | Valve As-Check; -Air Supply-Primary Air Tank-Service Brake Control | 1 |
6g45 Wire Assembly
| 6G***45 | Wire As | 1 |
9d4765 Lighting And Wiring Group--24 Volt--Chassis Area
| 9D***65 | Wiring & Lighting Group | 1 |
2g330 Lighting And Wiring Group--24 Volt--Cab Area--Part 2 Of 4
| 2G***30 | Wiring & Lighting Group | 1 |
2g330 Lighting And Wiring Group--24 Volt--Cab Area--Part 1 Of 4
| 2G***30 | Wiring & Lighting Group | 1 |
2g330 Lighting And Wiring Group--24 Volt--Part 3 Of 4
| 2G***30 | Wiring & Lighting Group | 1 |
2g330 Lighting And Wiring Group--24 Volt--Cab Area--Part 4 Of 4
| 2G***30 | Wiring & Lighting Group | 1 |
2g330 Lighting And Wiring Group--24 Volt--Part 3 Of 4--Cab Area
| 2G***30 | Wiring & Lighting Group | 1 |
6g3150 Air Starting Wiring Group
| 6G***50 | Wiring Group-Air Starting | 1 |
9d8391 Wiring Harness Assembly
| 9D***91 | Wiring Harness Assembly | 1 |
9d1299 Wiring Harness Assembly
| 9D***99 | Wiring Harness Assembly | 1 |
2g8867 Wiring Harness Assembly--Part 2 Of 2
| 2G***67 | Wiring Harness Assembly | 1 |
2g8867 Wiring Harness Assembly--Part 1 Of 2
| 2G***67 | Wiring Harness Assembly | 1 |
Steering And Braking System
3g2351 Accumulator Group
| 3G***51 | Accumulator Group; -Uncharged | 1 |
9d4675 Air Tank Group--Cab Area
| 9D***75 | Air Tank Group | 1 |
5t1355 Anti-Spin Control Group--Manual--Top View - Part 2 Of 2
| 5T***55 | Anti-Spin Control Group | 1 |
5t1355 Anti-Spin Control Group--Manual--Side View Part 1 Of 2
| 5T***55 | Anti-Spin Control Group | 1 |
9d1627 Brake Assembly--R.H.
| 9D***28 | Brake Assembly--R.H.,Brake Assembly--L.H. | 1 |
9d8475 Brake Control Group--Cab Area--Part 1 Of 4
| 9D***75 | Brake Control Group | 1 |
9d8475 Brake Control Group--Cab Area--Part 2 Of 4
| 9D***75 | Brake Control Group | 1 |
9d8475 Brake Control Group--Cab Area--Part 3 Of 4
| 9D***75 | Brake Control Group | 1 |
9d8475 Brake Control Group--Cab Area--Part 4 Of 4
| 9D***75 | Brake Control Group | 1 |
9j3375 Brake Control Valve Group
| 9J***75 | Brake Control Valve Group | 1 |
9d2685 Service And Parking Brake Group--Part 1 Of 2
| 9D***85 | Brake Group | 1 |
9d2685 Service And Parking Brake Group--Part 2 Of 2
| 9D***85 | Brake Group | 1 |
6g5260 Brake Group--L.H.
| 6G***60 | Brake Group--L.H. | 1 |
6g5250 Brake Group--R.H.
| 6G***60 | Brake Group--L.H. | 1 |
9d2850 Service Brake Group
| 9D***50 | Brake Group-Service | 1 |
5t8781 Brake Control Group--Chassis
| 5T***81 | Control Group-Brake | 1 |
2g3660 Parking Brake Control Group--Cab Area
| 2G***60 | Control Group-Brake | 1 |
9d8485 Brake Control Group--Chassis Area--Part 2 Of 2
| 9D***85 | Control Group-Brake | 1 |
9d8485 Brake Control Group--Chassis Area--Part 1 Of 2
| 9D***85 | Control Group-Brake | 1 |
6g4895 Service Brake Control Group--Cab Area--Part 4 Of 4--Type 2
| 6G***95 | Control Group-Service Brake | 1 |
6g4895 Service Brake Control Group--Cab Area--Part 3 Of 4--Type 2
| 6G***95 | Control Group-Service Brake | 1 |
6g4895 Service Brake Control Group--Cab Area--Part 3 Of 4--Type 1
| 6G***95 | Control Group-Service Brake | 1 |
6g4895 Service Brake Control Group--Part 1 Of 4--Type 1
| 6G***95 | Control Group-Service Brake | 1 |
6g4895 Service Brake Control Group--Cab Area--Part 4 Of 4--Type 1
| 6G***95 | Control Group-Service Brake | 1 |
6g4895 Service Brake Control Group--Cab Area--Part 1 Of 4--Type 2
| 6G***95 | Control Group-Service Brake | 1 |
6g4895 Service Brake Control Group--Cab Area--Part 2 Of 4--Type 2
| 6G***95 | Control Group-Service Brake | 1 |
6g4895 Service Brake Control Group--Cab Area--Part 2 Of 4--Type 1
| 6G***95 | Control Group-Service Brake | 1 |
8j9394 Brake Cylinder Group
| 8J***94 | Cylinder Group-Brake | 1 |
9d2715 Steering Gear Group
| 9D***15 | Gear Group-Steering | 1 |
9d4750 Service Brake Lines Group--Rear--Part 1 Of 3
| 9D***50 | Lines Group-Brake | 1 |
9d5335 Service Brake Lines Group--Front--Part 2 Of 2
| 9D***35 | Lines Group-Brake | 1 |
9d4750 Service Brake Lines Group--Rear--Part 3 Of 3
| 9D***50 | Lines Group-Brake | 1 |
9d5335 Service Brake Lines Group--Front--Part 1 Of 2
| 9D***35 | Lines Group-Brake | 1 |
9d4750 Service Brake Lines Group--Rear--Part 2 Of 3
| 9D***50 | Lines Group-Brake | 1 |
2g130 Brake Oil Cooler Lines Group--Part 1 Of 3
| 2G***30 | Lines Group-Oil Cooler | 1 |
2g130 Brake Oil Cooler Lines Group--Part 3 Of 3
| 2G***30 | Lines Group-Oil Cooler | 1 |
2g130 Brake Oil Cooler Lines Group--Part 2 Of 3
| 2G***30 | Lines Group-Oil Cooler | 1 |
5t8785 Service Brake Lines Group--Rear--Part 1 Of 2
| 5T***85 | Lines Group-Service Brake | 1 |
5t8785 Service Brake Lines Group--Rear--Part 2 Of 2
| 5T***85 | Lines Group-Service Brake | 1 |
9d5345 Supplemental Steering Lines Group
| 9D***45 | Lines Group-Steering | 1 |
9d4755 Steering Lines Group--Part 4 Of 4
| 9D***55 | Lines Group-Steering Oil | 1 |
9d4755 Steering Lines Group--Cab & Chassis Area--Part 1 Of 4
| 9D***55 | Lines Group-Steering Oil | 1 |
9d4755 Steering Lines Group--Chassis Area--Part 1 Of 2
| 9D***55 | Lines Group-Steering Oil | 1 |
9d4755 Steering Lines Group--Cab & Chassis Area--Part 4 Of 4
| 9D***55 | Lines Group-Steering Oil | 1 |
9d4755 Steering Lines Group--Cab & Chassis Area--Part 3 Of 4
| 9D***55 | Lines Group-Steering Oil | 1 |
9d4755 Steering Lines Group--Part 1 Of 4
| 9D***55 | Lines Group-Steering Oil | 1 |
5t8782 Steering Oil Lines Group
| 5T***82 | Lines Group-Steering Oil | 1 |
9d4755 Steering Lines Group--Part 2 Of 4
| 9D***55 | Lines Group-Steering Oil | 1 |
9d4755 Steering Lines Group--Part 3 Of 4
| 9D***55 | Lines Group-Steering Oil | 1 |
9d4755 Steering Lines Group--Cab & Chassis Area--Part 2 Of 4
| 9D***55 | Lines Group-Steering Oil | 1 |
9d4755 Steering Lines Group--Chassis Area--Part 2 Of 2
| 9D***55 | Lines Group-Steering Oil | 1 |
5t8784 Supplemental Steering Lines Group
| 5T***84 | Lines Group-Supplemental Steering | 1 |
9d3030 Steering Linkage Group
| 9D***30 | Linkage Group-Steering; -Front | 1 |
6g1695 Metering Pump Group
| 6G***95 | Metering Pump Group | 1 |
9d9919 Electric Drive Pump Group
| 9D***19 | Pump Group-Electric Drive; -Prelubrication | 1 |
2g6159 Electric Drive Pump Group
| 2G***59 | Pump Group-Electric Drive; Electric Drive Pump Group | 1 |
6g3050 Metering Pump Group
| 6G***50 | Pump Group-Metering; -Steering | 1 |
9d2286 Gear Pump Group--Steering--Single Section
| 9D***86 | Pump Group-Steering Gear | 1 |
8j6354 Relief Valve Group--Direct Operated
| 8J***54 | Relief Valve Group | 1 |
8j9927 Rotochamber Group
| 8J***27 | Rotochamber Group | 1 |
2g5900 Slack Adjuster Group
| 2G***00 | Slack Adjuster Group; -Front | 1 |
9d3610 Steering Lines Group--Cab Area--Top View
| 9D***10 | Steering Oil Lines Group | 1 |
2g7320 Air Tank Group--Cab Area
| 2G***20 | Tank Group-Air | 1 |
9d4209 Air Tank Group--Chassis Area
| 9D***09 | Tank Group-Air | 1 |
7d8075 Valve Assembly
| 7D***75 | Valve As | 1 |
9j5389 Valve Group
| 9J***89 | Valve Group | 1 |
9d338 Check Valve Group
| 9D***38 | Valve Group; -Air Pressure Brake | 1 |
2g3594 Air Control Valve Group
| 2G***94 | Valve Group-Air; -Parking Brake On, Off | 1 |
9d3886 Air Control Valve Group
| 9D***86 | Valve Group-Air Control; -Manual Retarder | 1 |
5t1300 Air Control Valve Group
| 5T***00 | Valve Group-Air Control | 1 |
9d3888 Air Control Valve Group
| 9D***88 | Valve Group-Air Control; -Retarder Pulled Unit | 1 |
4d3278 Control Valve Assembly
| 4D***78 | Valve Group-Air Control; -Parking Brake Switch | 1 |
9d8097 Control Valve Group
| 9D***97 | Valve Group-Air Control; -Service Brake | 1 |
9d8098 Air Control Valve Group
| 9D***98 | Valve Group-Air Control; -Secondary Brake | 1 |
6g4672 Air Control Valve Group
| 6G***72 | Valve Group-Air Control | 1 |
1u2646 Brake Valve Group
| 1U***46 | Valve Group-Brake | 1 |
6d3781 Double Check Valve Group
| 6D***81 | Valve Group-Check; -Service Brake Diverter-Retarder Control | 1 |
1u2644 Check Valve Group
| 1U***44 | Valve Group-Check; -Secondary, Parking Brake | 1 |
3g2887 Diverter Valve Group
| 3G***87 | Valve Group-Diverter; -Towing, Parking Brake Release | 1 |
6g7709 Diverter Valve Group
| 6G***09 | Valve Group-Diverter | 1 |
9j5385 Flow Control Valve Group
| 9J***85 | Valve Group-Flow Control | 1 |
9j5386 Flow Control Valve Group--Type 2
| 9J***86 | Valve Group-Flow Control | 1 |
9j5386 Flow Control Valve Group--Type 1
| 9J***86 | Valve Group-Flow Control | 1 |
7t0300 Valve Group--Shift Pressure
| 1L***62 | Ring-Retaining | 1 |
| 1S***36 | Retainer | 1 |
| 1S***38 | Ring-Retaining | 1 |
1u2638 Relief Valve Group
| 1U***38 | Valve Group-Relief | 1 |
9j5390 Relief Valve Group--Pilot Operated
| 9J***90 | Valve Group-Relief | 1 |
3g4667 Relief Valve Group--Pilot Operated
| 3G***67 | Valve Group-Relief; -Steering Cylinder Crossover | 1 |
4t844 Relief Valve Group--Pilot Operated
| 4T***44 | Valve Group-Relief; (Relief) | 1 |
9d2750 Front Wheel And Axle Group
| 9D***50 | Wheel Group-Front | 1 |
776 serial number reference
The 776 PIN/serial plate sits on the frame near the operator cab, usually on the left front frame rail or cab support post; older units may only have a stamped serial tag rather than a full 17-character PIN. Read the first 2-3 characters as the prefix identifying the model/build series (14H for the 776 chassis), and the digits after as the sequential unit number within that series. The engine carries its own separate serial plate on the block with its own prefix (98S for the D348), but that engine family is shared with the 777, so use the chassis PIN (14H) as the primary model identifier.
| Prefix | Identifies | Notes |
|---|---|---|
| 14H | 776 off-highway tractor/truck, chassis PIN | Machine serial prefix for the Cat 776 off-highway tractor/truck, production run roughly 1976-1985. Fitted with the D348TA V12 diesel, 870 flywheel hp (649 kW), 7-speed powershift transmission. Coal-hauler/heavy-hauler configuration built off the 777 chassis, rated around 136-150 ton payload. Range starts at 14H1-up; supplemental steering becomes standard partway through the run at approximately 14H206-up, with separate transmission hydraulics, ICM transmission controls, and EMS monitoring added around the same breakpoint. |
| 98S | D348TA engine fitted to the 776 | Engine serial prefix stamped on the D348 (turbocharged-aftercooled) V12 diesel used in the 776, paired with 14H-prefix chassis units on early production. Note the D348/98S engine family was also used in the related 777 haul truck, so a bare 98S engine on its own is not proof of the 776 chassis without the matching 14H machine PIN — confirm the machine plate too. |
Frequently asked questions
What engine does the Caterpillar 776 use?
The mechanical Cat D348 V12 diesel, rated at roughly 649 kW (870 hp) gross from 29.3 L of displacement, paired with a 7-speed powershift transmission.
What is the operating weight of the Caterpillar 776?
The tractor unit alone weighs about 49,686 kg (109,539 lb). Combined tractor-trailer weight varies by the trailer type — bottom-dump coal hauler, low-boy, or dump wagon — and by payload, so check the specific trailer's rating.
What replaced the Caterpillar 776?
There is no direct one-for-one successor. The original 776 ran from 1974 to 1985 alongside the 777 haul truck it shares a chassis and drivetrain with. Caterpillar later reused the 776 name for an unrelated 776B/776C/776D scraper-tractor family built around the electronically controlled Cat 3508B diesel — a distinct, later generation of machine, not a continuation of this vintage tractor.
What 776 owners discuss
What's the biggest mechanical weak point people report on the 776's D348 V12?
Consensus among shops that still service these engines points at the oil pump as the bottom end's weak link. The D348's dual-overhead-cam valve train needs more oil volume and pressure than a typical industrial diesel of the era, so pump wear shows up early as softening oil pressure at idle and hot idle, well before any bearing noise. Owners who keep a D348 running plan to pull and check (or swap) the oil pump around the midpoint of the engine's service life instead of waiting for a low-pressure warning to force the issue. Because Caterpillar moved on to the 3508 EUI diesel, new-old-stock D348 parts including pump kits and cam-drive components have gotten thin, which is why a number of tired D348 units end up repowered with a 3508 rather than rebuilt in kind.
How does the powertrain behave in everyday loaded pit or haul-road service?
The D348 is rated around 649 kW (870 hp) at the flywheel and feeds a seven-speed planetary powershift transmission through a torque converter, with a top speed near 61 km/h (38 mph) once light. On sustained loaded grades with a full bottom-dump trailer behind, operators watch torque converter oil temperature closely, since prolonged converter drive (rather than direct/lockup drive) on long pulls is what cooks transmission fluid and glazes clutch packs over time. Repeated shifting under load on grade also accelerates powershift clutch wear, so crews that downshift early and let the converter do less lugging tend to get longer transmission life out of these tractors than crews that lug it in a high gear.
What wear patterns show up on tires, wheel bearings, and brakes given the coal-haul duty cycle?
Running loaded bottom-dump service at sustained speed generates real heat in the tires, and heat-checking or shoulder wear on the drive tires is a common complaint on units that spend most of their life at or near rated speed on long haul roads rather than shorter pit cycles. Wheel bearing preload gets checked on a set interval rather than left to run until noise shows up, since preload drift is gradual and easy to miss during a quick walk-around. Brakes see the heaviest duty on loaded downgrades, and operators who lean on the service brakes instead of managing speed with gearing report faster brake wear and higher heat at the wheel ends. Have your dealer verify brake and retarder condition before returning a 776 to loaded downhill service after any period of storage or light duty.
What about the yoke-type oscillating hitch that connects the tractor to the bottom-dump trailer?
The hitch is a frame-mounted, yoke-type coupling on a kingpin base that oscillates to relieve stress on the tractor frame and trailer connection as the rig crosses uneven haul-road surfaces. Because that joint is constantly working, the hitch pin and its bushings are a recognized wear point, especially on units that see rough, ungraded pit roads. Play or a clunk felt through the frame when starting or stopping a loaded pull is the usual first sign of bushing wear, and it's worth greasing this joint on its own schedule rather than assuming general lube intervals cover it, since it moves more than most other pinned joints on the machine.
Are there common electrical or sensor issues to watch for on a machine this old?
The 776 predates electronic engine management. Its D348 runs a mechanical fuel injection pump and mechanical governor, so there's no engine control module or sensor network to chase fault codes on. What owners actually run into are basic 24-volt charging and starting circuit issues, worn gauge sending units giving false oil-pressure or temperature readings, and wiring insulation and connectors that have gone brittle from decades of heat and vibration exposure. Diagnosing electrical complaints on these tractors is closer to tracing a simple circuit with a test light than running modern diagnostic software.
What should someone know about the nitrogen-over-oil suspension cylinders?
Like other rigid-frame Cat trucks of this chassis family, the 776 rides on nitrogen-over-oil suspension cylinders rather than steel springs. Routine service means filling the cylinder with the correct oil quantity first, then charging with nitrogen only, and checking that both cylinders on an axle end up at matching pressure, oil level, and length so the machine sits level. Charging with anything other than pure nitrogen, including compressed air, introduces oxygen into a pressurized oil environment and creates a real fire and explosion hazard, which is why this is treated as a strict nitrogen-only procedure rather than a generic gas-strut top-up. Have your dealer verify suspension cylinder charge and condition using the correct nitrogen charging kit before returning the machine to service.
What should a buyer check before purchasing a used Caterpillar 776?
Start with the engine: pull maintenance records for oil pump service or replacement history, and confirm whether the D348 is original or if the machine has already been repowered with a 3508, since that changes what parts you'll be sourcing going forward. Check the suspension cylinders for even oil level, pressure, and ride height side to side, and look for weeping seals. Work the oscillating hitch by hand for play in the pin and bushings, and check the trailer coupling area for elongated holes or repair welds. Inspect the frame around the hitch mount and axle areas for cracks or past weld repairs, since sustained overload in captive coal-haul service is common on machines this age. Finally, confirm the engine and chassis serial numbers against the data plate before assuming any parts interchange, since the D348's production run spans enough years and variants that parts by serial range matter more than they would on a newer machine. Have your dealer verify frame, hitch, and suspension condition with a proper inspection before finalizing purchase.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Caterpillar 776. Related factory variants of the same model family:
776
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