Caterpillartrack-type tractor
Caterpillar D5B
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar D5B is a mid-size track-type tractor (crawler dozer) that Caterpillar built from 1977 to 1985 as an update to the 1967-77 D5, adding a redesigned hood and operator station and lifting gross engine output from about 93 hp to about 105 hp (78 kW). It runs the Cat 3306, a naturally aspirated six-cylinder diesel carried over from the original D5's D333 engine under Caterpillar's 1970s engine renumbering; a turbocharged 3306 also appears on some production blocks. Caterpillar offered the D5B in three factory configurations: Standard and LGP (Low Ground Pressure) dozer builds with a choice of 5-speed direct-drive or 3-speed powershift transmission, and the SA (Special Application) agricultural build, direct-drive only, geared for drawbar work and rated higher at roughly 119-120 hp (89 kW) gross. Operating weight spans about 10.6 to 14.7 tonnes (23,300-32,400 lb) depending on configuration, from the lighter SA drawbar tractor up to the wide-gauge LGP dozer. Caterpillar retired the D5B in 1985 and carried the D5 nameplate forward on the D5C.
Changes across the D5B's production run were incremental rather than a full platform redesign. Caterpillar built the D5B in the United States, in serial-prefix blocks that parts counters and dealers still use to identify an individual machine today, and in France, where direct-drive and powershift blocks carried over from the pre-B D5 before a fresh narrow-gauge powershift run closed out production in the mid-1980s. The D5B predates Caterpillar's elevated-sprocket undercarriage; it runs a double-reduction bull-gear-and-pinion final drive at track level instead, and the SA variant's higher engine rating shows Caterpillar tuning the same 3306 differently for drawbar and agricultural duty versus straight dozing. In the used and parts market the D5B still earns its keep: it is small enough for utility grading, land-clearing, and farm work, mechanically simple enough for an independent shop to rebuild without factory electronics, and its 3306 engine, final drive, and undercarriage wear parts remain in steady aftermarket supply long after Caterpillar moved the D5 number to the D5C.
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 D5B specifications
Engine
| Engine model | Cat 3306, naturally aspirated 6-cylinder diesel, water-cooled. Same 3306 designation used across the Std, LGP and SA configurations; carries over from the original 1967-77 D5, which used the same basic engine under Cat's earlier D333 designation before the 1970s engine renumbering. |
| Displacement | 10.4-10.5 L (634-641 cu in). Catalogs round this slightly differently by configuration; family displacement is 10.5 L. |
| Gross power - Std/LGP dozer | 78-78.3 kW (104.6-105 hp) gross. |
| Gross power - SA configuration | 89 kW (119-120 hp) gross - the SA (Special Application) build carries a notably higher engine rating than the Std/LGP dozer configurations. |
| Net power | 78.3 kW (105 hp) net quoted for the base machine. |
| Emissions certification | None. Mechanically governed pre-emissions diesel, built 1977-1985, before EPA/EU nonroad emissions tiers existed. |
| Series context | D5B announced 1977 as an update to the original 1967-77 D5, raising gross power from 93 hp to 105 hp with a redesigned hood and operator station. Minor mechanical carryover otherwise. Superseded by the D5C. |
Weights
| Operating weight - Std | 11,698 kg (25,794 lb). |
| Operating weight - LGP | 14,693 kg (32,397 lb) - roughly 7 t heavier than Std from the wider low-ground-pressure undercarriage and blade. |
| Operating weight - SA | 10,567 kg (23,301 lb) - lighter than the Std dozer despite carrying a larger fuel tank, reflecting its drawbar/agricultural-oriented build rather than a dozing build. |
Dimensions
| Length w/ blade - Std | 4.60 m (15.1 ft). |
| Length w/o blade - Std | 3.66 m (12.0 ft). |
| Width over tracks - Std | 2.38 m (7.8 ft). |
| Height to cab top - Std | 2.77 m (9.1 ft). |
| Ground clearance - Std | approx 0.28-0.30 m (11-12 in); sources round this to 0.91-1.00 ft. |
| Length of track on ground - Std | 2.21 m (7.3 ft). |
| Length w/ blade - LGP | 4.98-5.00 m (16.3-16.4 ft). |
| Length w/o blade - LGP | 3.81 m (12.5 ft). |
| Width over tracks - LGP | 2.92-2.93 m (9.6 ft). |
| Height to cab top - LGP | 2.77 m (9.1 ft). |
| Ground clearance - LGP | approx 0.28-0.30 m (11-12 in), same class as Std. |
| Length w/o blade - SA | 3.89-3.90 m (12.8 ft). |
| Width over tracks - SA | 2.37-2.38 m (7.8 ft). |
| Height to cab top - SA | 2.77 m (9.1 ft). |
| Length of track on ground - SA | 2.18-2.19 m (7.2 ft). |
Performance
| Transmission options - Std/LGP | Factory choice of a powershift transmission or a direct-drive transmission with an oil clutch, across the dozer configurations. |
| Travel speed forward - Std/LGP (powershift) | 10.1 km/h (6.3 mph) max forward. |
| Travel speed reverse - Std/LGP (powershift) | 12.2 km/h (7.6 mph) max reverse. |
| Transmission - SA | Direct-drive transmission with 6 forward and 4 reverse ratios - more ratios than the dozer configurations, geared for drawbar-type work. |
| Travel speed forward - SA | 9.0 km/h (5.6 mph) max forward, slower top end than the dozer configurations. |
| Travel speed reverse - SA | 8.5 km/h (5.3 mph) max reverse. |
| Drawbar pull | Not published in available spec sources for this exact model and configuration. Verify against original factory literature or a dealer if this figure is required. |
| Gradeability | Not documented in available spec sources for this model. |
| Ground pressure - Std | 63.4 kPa (9.2 psi), on a 406 mm (16 in) standard shoe. |
| Ground pressure - LGP | 30.1-30.3 kPa (4.4 psi), on an 864-866 mm (34.0-34.1 in) LGP shoe - roughly half the ground pressure of the Std configuration. |
| Ground pressure - SA | Not separately published; works out to roughly 69-70 kPa (10.0-10.1 psi) from the published operating weight and ground-contact area on the SA's narrower 406 mm (16 in) shoe. |
| Track gauge - Std/SA | 1.88-1.89 m (6.2 ft). |
| Track gauge - LGP | 2.06-2.07 m (6.8 ft). |
Blades
| Std S-blade width | 3.17 m (10.4 ft). |
| Std S-blade capacity | Not published as a cubic capacity figure in available spec sources for this configuration. |
| LGP blade width | 3.54 m (11.6 ft). |
| LGP blade capacity | 2.6 m3 (3.4 cu yd). |
| SA blade | Rated by cutting depth rather than a straight capacity figure: 231 mm (9.1 in) maximum cutting depth. Blade width not separately published for this configuration in available sources. |
Service capacities
| Fuel tank - Std/LGP | 246 L (65 gal). |
| Fuel tank - SA | 295 L (78 gal) - larger tank than the dozer configurations. |
| Hydraulic system - Std/LGP dozer | Open-center system. Reservoir capacity approx 49 L (13 gal), pump flow approx 163 L/min (43 gpm), relief pressure approx 155 bar (2,250 psi). |
| Hydraulic system - SA | Open-center system with a lower-flow circuit, approx 87 L/min (23 gpm) pump flow and relief pressure around 138 bar (2,000 psi). Reservoir capacity figures vary across sources and are not firmly confirmed for this configuration. |
| Engine oil capacity | Not confirmed for the D5B installation specifically. Generic 3306-family lube-system figures vary widely by application and should not be assumed - check the D5B service manual for the correct oil pan and filter combination. |
| Cooling system capacity | Not documented in available spec sources for this model - verify with the service manual or a dealer. |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D5B fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | About 27 L (29 US qt) on the D5B's naturally aspirated Cat 3306 diesel. The 3306 engine family as fitted across D5B/D6D/D7G applications documents a wider 27-34 L (28.5-36 US qt) range depending on pan/filter configuration -- confirm against the machine's own OMM chart before servicing. | Caterpillar diesel engine oil (Cat DEO or an equivalent heavy-duty diesel engine oil meeting the applicable API diesel classification for this engine's era). Select SAE viscosity by ambient temperature per the OMM's engine-oil chart -- single-grade (10W, 30, 40) or multigrade (10W-30, 15W-40) depending on season. |
| Cooling system | About 34 L (36 US qt / 9 US gal). This figure is consistent across the D5B line. | Heavy-duty ethylene-glycol coolant/antifreeze mixed with correct-quality water and dosed with Caterpillar's supplemental coolant additive (SCA) per the OMM's cooling-system service chart. This machine pre-dates Cat ELC, so maintain SCA concentration on the recommended interval rather than treating the fill as extended-life. |
| Fuel tank | Standard D5B: about 246 L (65 US gal). The D5B SA (Special Application) variant carries a larger tank, about 295 L (78 US gal) -- capacity varies by configuration. | No. 2-D diesel fuel meeting Caterpillar's fuel specification for the era; switch to a lighter-grade (No. 1-D) fuel in cold weather to avoid gelling/wax formation. |
| Transmission / power train (powershift transmission plus bevel-gear and steering-clutch compartment) | Documented only for the D5B SA's powershift power train: about 77 L (81 US qt) combined for the transmission, bevel gear, and steering-clutch compartments. The base D5B also offered a 5-speed direct-drive transmission with a Cat oil clutch as an alternative to the 3-speed powershift; a separate capacity for the direct-drive power train is not documented in available sources. On this dozer class the power-train compartment can share its reservoir with steering-clutch cooling and hydraulic-control oil -- confirm the exact circuit split against the machine's own OMM before adding oil. | Caterpillar Transmission/Drive Train Oil (TDTO) specification, single-grade SAE oil selected by ambient temperature per the OMM's power-train viscosity chart (typically a lighter SAE grade in cold conditions stepping up to a heavier grade in warm conditions). |
| Final drives (each side) | Not documented in available sources for this model. The D5B uses a double-reduction bull-gear-and-pinion final drive. Confirm the per-side refill quantity against the OMM or with a Cat dealer before servicing. | Caterpillar Transmission/Drive Train Oil (TDTO) specification gear oil, same family as the power-train fill, graded by ambient temperature. |
| Hydraulic system / tank | Varies by configuration. Standard D5B open-center system: about 49 L (13 US gal), roughly 2250 psi (155 bar) at about 43-44 US gpm pump flow. D5B SA variant: a smaller reservoir, about 23 L (6 US gal), at roughly 2000 psi (138 bar) and 23 US gpm flow. | On this dozer, hydraulic and power-train oil is typically drawn from a common reservoir, so the hydraulic circuit runs the same Caterpillar TDTO-specification oil as the transmission and steering-clutch system rather than a separate hydraulic-specific fluid. Select viscosity by ambient temperature the same way as the power train. |
| Pivot shaft / equalizer bar | No separate refill capacity is documented for the D5B in available sources. The pivot shaft/equalizer bar is a grease-lubricated point serviced on the periodic grease schedule rather than an oil-filled compartment. | Caterpillar Multipurpose-type grease (MPGM), NLGI grade selected by ambient temperature per the OMM's lubrication chart. |
| Grease points (general chassis/track/linkage) | Applied per fitting on the periodic lubrication schedule; no bulk reservoir capacity applies. | Caterpillar Multipurpose-type grease (MPGM). Use a softer NLGI grade (around NLGI 1) in cold weather and a firmer grade (around NLGI 2) in normal/warm conditions, per the OMM's grease-selection guidance. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar D5B maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the D5B beyond the schedule
Predictive Maintenance & Fluid Analysis
Run scheduled oil sampling on the D5B's naturally aspirated 3306 to catch wear metal, coolant intrusion, and soot loading before they turn into an overhaul. Because this machine draws transmission, steering-clutch, final-drive, and (on Std/LGP builds) hydraulic oil from a shared drive-train oil fill, one sample point can flag wear across several systems at once. Track supplemental coolant additive concentration on schedule, since this pre-ELC engine needs it maintained, not just topped off. Watch hydraulic cleanliness closely given the open-center system's 155 bar working pressure.
Corrective & Common Repairs
Most D5B repair calls trace to the steering-clutch and brake linkage or the final drives. Worn, misadjusted linkage causes track drift and hard turns on both direct-drive and powershift builds; relining brake bands and re-timing linkage is routine at this age. The double-reduction bull-gear-and-pinion final drives wear steadily since this pre-elevated-sprocket design carries them at track level. Expect fuel-system work too: on a mechanically governed 3306 this old, injector and injection-pump wear shows up as hard starting, white smoke, and rough idle.
Overhaul & Rebuild Points
High-hour D5Bs typically need a 3306 top-end overhaul, covering liners, pistons, rings, and injectors, once oil-sample trends or blow-by call for it. Final drives and steering-clutch and brake assemblies are the next major point on this bull-gear-and-pinion design. Powershift units need torque-converter and clutch-pack rebuilds; direct-drive machines need the oil clutch rebuilt instead. Because the undercarriage runs at ground level rather than on an elevated sprocket, chains, rollers, idlers, and sprockets tend to reach replacement condition together, so budget the rebuild as one job.
Seasonal & Environment Servicing
Cold starts are the D5B's weak point: this mechanically governed, naturally aspirated 3306 needs a working starting aid, a block heater, and a switch to lighter-viscosity engine and transmission oil plus a lighter-grade fuel below freezing. Ahead of summer work, check the radiator core, fan belt, and coolant additive concentration, since these machines run hot under sustained load. Drain fuel-tank water and sediment at each season change, and after wet-ground or LGP work, wash packed mud off the undercarriage before it accelerates pin and bushing wear.
D5B attachments & work tools
Blades
Factory blade choices for this class are a straight (S) dozing blade and an angle (A) blade, both hydraulically actuated through the front lift/tilt/angle circuit. Standard-gauge machines carry roughly a 3.2 m (10.4 ft) wide blade; the low ground pressure (LGP) version steps up to about 3.5 m (11.6 ft) wide with a capacity near 2.6 m3 (3.4 yd3). Outside blade builders also fitted a hydraulically controlled U-blade (semi-U style) to this tractor; the later VPAT (variable power-angle-tilt) blade belongs to the modern Next Generation D5 platform and does not apply here.
Rippers
Rear ripping is handled by a parallelogram-style multi-shank ripper riding on a single lift/tilt cylinder, with a single-shank arrangement offered on the same frame for deeper penetration in hard or frozen ground rather than wide coverage. A complete multi-shank ripper set (frame, shanks, tips, cylinder and hoses) sized for this class ships at roughly 1,600 kg (3,500 lb). Shank spacing on the parallelogram frame is adjustable rather than fixed, so configuration varies by job.
Winches
The typical rear attachment for skidding and towing duty is a single-drum cable winch built by Hyster, driven off the rear PTO/hydraulic circuit independent of the front blade hydraulics. This superseded an earlier rear-mounted cable-control unit once used to actuate cable-operated blades on this tractor family, which had fallen out of factory favor by the time this model was introduced. The winch shares the same rear mounting/drawbar provisions as the ripper, so the two are normally mutually exclusive at the rear.
Drawbars/counterweights
A reinforced rear drawbar is the standard towing/mounting point for pull-type implements and doubles as the attach point when neither a winch nor a ripper is fitted. No dedicated rear counterweight block is documented for this class; the mass of the ripper or winch, along with the drawbar structure itself, provides rear ballast when the front blade is working hard. Exact counterweighting needs vary by configuration -- verify with a dealer for a specific machine.
Cab/ROPS guarding (forestry/waste)
Operator station options are a ROPS canopy/cab or a non-ROPS canopy, with optional air conditioning, a demister, wipers, and a heater as factory comfort items. No dedicated factory forestry or waste-handling guarding package is documented for this model; logging brush guards/sweeps and reinforced ROPS framing for tractors of this class came from outside cab/guard builders rather than as a Caterpillar option. Treat forestry or waste guarding as an aftermarket fitment and confirm structural compatibility with the specific ROPS mount before ordering.
Hydraulic arrangement (front/rear tools)
Front blade functions (lift, tilt, angle) run on a dedicated hydraulic circuit serving only the front linkage. Rear-mounted tools such as the ripper and winch operate on a separate rear hydraulic/mechanical circuit, so front and rear tools can be worked independently without cross-interference. An early cable-actuated alternative to the rear hydraulic blade circuit existed on this tractor family but was phased out before this model's introduction and is not a practical option today.
All D5B assemblies by section
Every catalogued assembly group for the Caterpillar D5B. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Basic Engine
Oil Level Gauge Protection (1n4297)
| 1N***97 | Oil Level Gauge Protection Group; Oil Level Gauge Protection Group | 1 |
Camshaft (2p6202 N/S)
| 2P***02 | Camshaft Group-Single; Single Camshaft Group | 1 |
Cylinder Block Cover (7n9779 N/S)
| 7N***79 | Cover Group-Cylinder Block; Cylinder Block Cover Group | 1 |
Cylinder Head Cover (2p6530 N/S)
| 2P***30 | Cover Group-Cylinder Head; Cylinder Head Cover Group | 1 |
Front Housing Cover (4n5162 N/S)
| 4N***62 | Cover Group-Front Housing; Front Housing Cover Group | 1 |
Valve Mechanism Cover (8n4745 N/S)
| 8N***45 | Cover Group-Valve Mechanism; Valve Mechanism Cover Group | 1 |
4n7693 Crankshaft Assembly--Field Replacement
| 4N***93 | Crankshaft As | 1 |
Crankshaft (6n8079 N/S)
| 6N***79 | Crankshaft Group; Crankshaft Group | 1 |
Cylinder Block (7n8016 N/S)
| 7N***16 | Cylinder Block Group; Cylinder Block Group | 1 |
1n3576 Cylinder Block Group
| 1N***76 | Cylinder Block Group | 1 |
Cylinder Head (8n226 N/S)
| 8N***26 | Cylinder Head Group; Cylinder Head Group | 1 |
8n6796 Cylinder Head Group
| 8N***96 | Cylinder Head Group | 1 |
Damper (2p2503 N/S)
| 2P***03 | Damper Group-Pulley & Cshft; Crankshaft And Pulley Damper Group | 1 |
Fan Drive (2p7831 N/S)
| 2P***31 | Drive Group-Fan; Fan Drive Group | 1 |
Cylinder Head Fastener (7n9536 N/S)
| 7N***36 | Fastener Group-Cylinder Head; Cylindetr Head Fastener Group | 1 |
Front Housing Fastener (2p6498 N/S)
| 2P***98 | Fastener Group-Front Housing; Front Housing Fastener Group | 1 |
Oil Pan Fastener (2p6200 N/S)
| 2P***00 | Fastener Group-Oil Pan; Fastener Gp-Engine Oil Pan | 1 |
Flywheel (7s7753 N/S)
| 7S***53 | Flywheel Group; Flywheel Group | 1 |
Gasket Kits
| 3Y***01 | Fuel System | 0 |
| 5P***68 | Kit-Gasket; (Single Cylinder Liner)(Single Cylinder Liner) | 0 |
| 5P***02 | 8n***60, 8n***61, 8n***15, 8n***16; 1w***78, 1w***79, 1w***86, 1w***87 | 0 |
Oil Level Gauge (2p6493 N/S)
| 2P***93 | Gauge Group-Oil Level (Dipstick); -Engine | 1 |
Front Timing Gear (1w6445 N/S)
| 1W***45 | Gear Group-Front Timing; Front Timing Gear Group | 1 |
Flywheel Housing (2p6119 N/S)
| 2P***19 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
Front Housing (7n3999 N/S)
| 7N***99 | Housing Group-Front; Front Housing Group | 1 |
Engine Lifting (7n7858 N/S)
| 7N***58 | Lifting Group; Lifting Eye Gp-Engine | 1 |
Oil Pan (2p6152 N/S)
| 2P***52 | Pan Group-Oil; Oil Pan Group | 1 |
Connecting Rod And Piston (1w6588 N/S)--6 Groups Required
| 1W***88 | Piston & Rod Group; Connecting Rod And Piston Group | 1 |
Fan Pulley (2p8158 N/S)
| 2P***58 | Pulley Group; Fan Drive Pulley Group | 1 |
Crankshaft Seal (2p6224 N/S)
| 2P***24 | Seal Group-Crankshaft; Crankshaft Seal Group | 1 |
Engine Support (7n3468 N/S)--Rear
| 7N***68 | Support Group-Engine | 1 |
Engine Support (2p7753 N/S)--Front
| 2P***53 | Support Group-Engine; Front Engine Support Group | 1 |
Trunnion (7n9589 N/S)
| 7N***89 | Trunnion Group-Engine | 1 |
Valve Mechanism (7n8026 N/S)
| 7N***26 | Valve Mechanism Group; Valve Mechanism Group | 1 |
Cab, Gauges And Accessories
9p5228 Air Conditioner Arrangement
| 03***32 | Strap--Harness Assembly To Compressor | 1 |
| 5F***57 | Grommet--Harness | 1 |
| 8P***48 | Air Conditioner Lines Group; Air Conditioner Lines Group | 1 |
7g9698 Air Conditioner Arrangement--Cooles And Heats
| 4N***32 | Fan Guard Assembly | 1 |
| 6N***49 | Circuit Breaker (30 Ampere)--To Dash | 1 |
| 7G***98 | Air Conditioner Arrangement | 1 |
Air Conditioner Lines (8p2148 N/S)
| 8P***48 | Air Conditioner Lines Group; Air Conditioner Lines Group | 1 |
Forward Warning Horn (8p7307 N/S)
| 8P***07 | Electric Horn Group | 1 |
Heater Lines (9g3698 N/S)
| 9G***98 | Heater Lines Group; Heater Lines Group | 1 |
8n3219 Refrigerant Compressor Arrangement
| 1S***30 | Stud; (3/8-16x3.03-In) | 6 |
| 4N***91 | V-Belt; (Air Compressor) | 1 |
| 6N***17 | Pulley Assembly: | 1 |
Refrigerant Compressor (8n3192 N/S)--Part 2 Of 2
| 8N***92 | Refrigerant Compressor Group; Refrigerant Compressor Group | 1 |
Refrigerant Compressor (8n3192 N/S)--Part 1 Of 2
| 8N***92 | Refrigerant Compressor Group; Refrigerant Compressor Group | 1 |
7v9508 Seat Belt Group
| 7V***08 | Seat Belt Group | 1 |
7v9506 Seat Belt Group
| 7V***06 | Seat Belt Group | 1 |
3y9401 Seat Belt Group
| 3Y***01 | Seat Belt Group | 1 |
5a9461 Seat Assembly
| 5A***61 | Adjustable Seat Assembly | 1 |
9p5225 Air Conditioner Group
| 9P***25 | Air Conditioner Group; Air Conditioner And Heater Group | 1 |
Air Conditioner (8p2146 N/S) -- Part 2 Of 2
| 8P***46 | Air Conditioner Group; Basic Air Conditioner Group | 1 |
Air Conditioner (8p2146 N/S) -- Part 1 Of 2
| 8P***46 | Air Conditioner Group; Basic Air Conditioner Group | 1 |
9p3788 Blower Assembly
| 9P***88 | Blower As | 1 |
Safty Brace (8p2129 N/S)
| 8P***29 | Brace Group; Safety Brace Group | 1 |
Canopy (3y9138 N/S)
| 3Y***38 | Canopy | 1 |
7n4297 Compressor Group
| 7N***97 | Clutch & Refrig Compressor Group | 1 |
8p3148 Basic Condensor Group -- Part 1 Of 2
| 8P***48 | Condenser Group; Mounting And Condenser Group | 1 |
8p3148 Basic Condensor Group -- Part 2 Of 2
| 8P***48 | Condenser Group; Mounting And Condenser Group | 1 |
Washer Wiper Control (3t103 N/S)--Basic
| 3T***03 | Control Group-Washer & Wiper | 1 |
Washer, Wiper Control (9g7478 N/S)--Type 1
| 9G***78 | Control Group-Washer & Wiper; Washer And Wiper Control Group | 1 |
Washer Wiper Control (9g7478 N/S)--Type 2
| 9G***78 | Control Group-Washer & Wiper; Washer And Wiper Control Group | 1 |
Electric Horn (3y8773 N/S)
| 3Y***73 | Electric Horn | 1 |
Gauge (9g5882 N/S)--Part 1 Of 2
| 9G***82 | Gauge Group | 1 |
Gauge (9g5882 N/S)--Part 2 Of 2
| 9G***82 | Gauge Group | 1 |
9g8107 Harness Assembly
| 9G***07 | Harness As | 1 |
8p6368 Harness Assembly
| 8P***68 | Harness As | 1 |
9p2045 Compressor Harness Assembly
| 9P***45 | Harness As-Compressor; Compressor Harness Assembly | 1 |
9g3764 Cab Heater Group
| 9G***64 | Heater Group-Cab | 1 |
Door Hold Back Latch (4v8015 N/S)
| 4V***15 | Latch Group; Latch Group (Door Hold Back) | 1 |
Cab Liner (9g6902 N/S) -- Type 1
| 9G***02 | Liner Group-Cab; Cab Liner Group | 1 |
Cab Liner (9g6902 N/S) -- Type 2
| 9G***02 | Liner Group-Cab; Cab Liner Group | 1 |
Mirror (9p9392 N/S)
| 9P***92 | Mirror Group; -Open Rops-Rops | 1 |
Cab Mounting (9g6897 N/S)--Part 2 Of 2
| 9G***97 | Mounting Group-Cab; Cab Mounting Group | 1 |
Cab Mounting (9g6897 N/S)--Part 1 Of 2
| 9G***97 | Mounting Group-Cab; Cab Mounting Group | 1 |
9p5089 Pressurizer Group
| 9P***89 | Pressurizer Group | 1 |
Cab Pressurizer (9g8298 N/S) -- Type 1 -- Part 2 Of 3
| 9G***98 | Pressurizer Group-Cab; Cab Pressurizer Group | 1 |
Cab Pressurizer (9g8298 N/S) -- Type 2 -- Part 2 Of 3
| 9G***98 | Pressurizer Group-Cab; Cab Pressurizer Group | 1 |
Cab Pressurizer (9g8298 N/S) -- Type 2 -- Part 1 Of 3
| 9G***98 | Pressurizer Group-Cab; Cab Pressurizer Group | 1 |
Cab Pressurizer (9g8298 N/S) -- Type 2 -- Part 3 Of 3
| 9G***98 | Pressurizer Group-Cab; Cab Pressurizer Group | 1 |
Cab Pressurizer (9g8298 N/S) -- Type 1 -- Part 3 Of 3
| 9G***98 | Pressurizer Group-Cab; Cab Pressurizer Group | 1 |
Cab Pressurizer (9g8298 N/S) -- Type 1 -- Part 1 Of 3
| 9G***98 | Pressurizer Group-Cab; Cab Pressurizer Group | 1 |
3y8261 Roll-Over Protective System Arrangement--Enclosed
| 03***44 | Rivet (For Outside Japan); Rivet (For Outside Japan) | 6 |
| 0L***51 | Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold | 6 |
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 3 |
9g9792 Roll-Over Protective System Arrangement--Enclosed
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 4 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 2 |
| 0S***14 | Bolt (.25" Diameter-.50" Long) | 5 |
3y7725 Roll-Over Protective System Arrangement--Open
| 03***44 | Rivet (For Outside Japan); Rivet (For Outside Japan) | 6 |
| 3Y***25 | Roll-Over Protective System Arrangement | 1 |
| 3Y***01 | Plate (For Japan) | 1 |
Roll-Over Protective System Cab (9g6854 N/S) -- Type 3 -- Part 3 Of 3
| 9G***54 | Rops Group | 1 |
Roll-Over Protective System Cab (9g6854 N/S) -- Type 2 -- Part 3 Of 3
| 9G***54 | Rops Group | 1 |
Roll-Over Protective System Cab (9g6854 N/S) -- Type 3 -- Part 2 Of 3
| 9G***54 | Rops Group | 1 |
Roll-Over Protective System Cab (9g6854 N/S) -- Type 3 -- Part 1 Of 3
| 9G***54 | Rops Group | 1 |
Roll-Over Protective System Cab (9g6854 N/S) -- Type 1 -- Part 1 Of 3
| 9G***54 | Rops Group | 1 |
Roll-Over Protective System Cab (9g6854 N/S) -- Type 2 -- Part 1 Of 3
| 9G***54 | Rops Group | 1 |
Roll-Over Protective System Cab (9g6854 N/S) -- Type 1 -- Part 3 Of 3
| 9G***54 | Rops Group | 1 |
Roll-Over Protective System Cab (9g6854 N/S) -- Type 1 -- Part 2 Of 3
| 9G***54 | Rops Group | 1 |
Roll-Over Protective System (9g6074 N/S)--Open
| 9G***74 | Rops Group; Roll-Over Protective Structure Group | 1 |
Roll-Over Protective System Cab (9g6854 N/S) -- Type 2 -- Part 2 Of 3
| 9G***54 | Rops Group | 1 |
Seat And Support (9g5920 N/S)--Part 3 Of 3
| 9G***20 | Seat & Support Group | 1 |
Seat And Support (9g5920 N/S)--Part 1 Of 3
| 9G***20 | Seat & Support Group | 1 |
Seat And Support (9g5920 N/S) -- Part 1 Of 3
| 9G***20 | Seat & Support Group | 1 |
Seat And Support (9g5920 N/S)--Part 2 Of 3
| 9G***20 | Seat & Support Group | 1 |
3y4854 Seat Group
| 3Y***54 | Seat Group | 1 |
Suspension Seat (9g9931 N/S)
| 9G***31 | Seat Group-Suspension | 1 |
9k682 Shaft And Link Assembly
| 9K***82 | Shaft & Link As | 1 |
2v7961 Suspension Assembly
| 2V***61 | Suspension As-Seat | 1 |
Suspension Seat (3y9444 N/S)
| 3Y***44 | Suspension Seat | 1 |
Washer And Wiper (7g6541 N/S) -- Type 1 -- Part 2 Of 2
| 7G***41 | Wiper & Washer Group; Washer And Wiper Group | 1 |
Washer And Wiper (7g6541 N/S)--Type 2--Part 2 Of 2
| 7G***41 | Wiper & Washer Group; Washer And Wiper Group | 1 |
Washer And Wiper (7g6541 N/S) -- Type 1 -- Part 1 Of 2
| 7G***41 | Wiper & Washer Group; Washer And Wiper Group | 1 |
Washer And Wiper (7g6541 N/S) -- Type 2 -- Part 1 Of 2
| 7G***41 | Wiper & Washer Group; Washer And Wiper Group | 1 |
3t175 Wiper Group
| 3T***75 | Wiper Group | 1 |
1v4358 Wiper Group
| 1V***58 | Wiper Group; Basic Wiper Group | 1 |
Chassis And Undercarriage
8p7339 Brush Guard Group
| 8P***39 | Brush Guard Group | 1 |
Engine Enclosure (8p5393 N/S)
| 8P***93 | Engine Enclosure Group | 1 |
Fender (8p5364 N/S)
| 8P***64 | Fender Group | 1 |
Fender Support (8p5610 N/S)
| 8P***10 | Fender Support Group | 1 |
Floorplate (7g1776 N/S)
| 7G***76 | Floorplate Group | 1 |
Frame And Case (8p1214 N/S)
| 8P***14 | Frame And Case Group | 1 |
Hood And Dash (8p4369 N/S)--Part 2 Of 3
| 8P***69 | Hood And Dash Group | 1 |
Hood And Dash (8p4369 N/S)--Part 3 Of 3
| 8P***69 | Hood And Dash Group | 1 |
Hood And Dash (8p4369 N/S)--Part 1 Of 3
| 8P***69 | Hood And Dash Group | 1 |
Roll-Over Protective Structure Mounting (8p4943 N/S)
| 8P***43 | Roll-Over Protective Structure Mounting Group | 1 |
3p3906 Track Group -- 406mm(16") -- Single Grouser Shoe -- 2 Groups Required
| 3P***06 | Track Group; Track Group-406mm (16 In.) Grouser Shoe | 1 |
3y5792 Track Group -- 508mm(20") -- Snow And Ice Shoe -- 2 Groups Required
| 3Y***92 | Track Group | 1 |
3y6525 Track Group -- 457mm(18") -- Triple Grouser Shoe -- 2 Groups Required
| 3Y***25 | Track Group | 1 |
3p3907 Track Group -- 457mm(18") -- Single Grouser Shoe -- 2 Groups Required
| 3P***07 | Track Group; Track Group-457mm (18 In.) Grouser Shoe | 1 |
3y6527 Track Group -- 457mm(18") -- Triple Grouser Shoe -- 2 Groups Required
| 3Y***27 | Track Group | 1 |
3p3910 Track Group -- 508mm(20") -- Single Grouser Shoe -- 2 Groups Required
| 3P***10 | Track Group; Track Group-508mm (20 In.) Grouser Shoe | 1 |
3p5766 Track Group -- 406mm(16") -- Single Grouser Shoe -- 2 Groups Required
| 3P***66 | Track Group; Track Group-406mm (16 In.) Grouser Shoe | 1 |
3p5768 Track Group -- 508mm(20") -- Single Grouser Shoe -- 2 Groups Required
| 3P***68 | Track Group; Track Group-508mm (20 In.) Grouser Shoe | 1 |
3p5767 Track Group -- 457mm(18") -- Single Grouser Shoe -- 2 Groups Required
| 3P***67 | Track Group; Track Group-457mm (18 In.) Grouser Shoe | 1 |
Vandalism Guard (9g8848 N/S)--Dash
| 9G***48 | Vandalism Guard Group | 1 |
8p1053 Frame And Case Assembly
| 8P***53 | Case & Frame As | 1 |
Cover And Grab Iron (3y8164 N/S)
| 0S***87 | Bolt-Bracket Assembly To Timing Gear | 4 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 4 |
| 0S***20 | Bolt--Customer Grounding Bolt | 4 |
3s9179 Fixed Drawbar Group
| 3S***79 | Drawbar Group | 1 |
1p4861 Swinging Drawbar Group
| 1P***61 | Drawbar Group-Swinging | 1 |
Engine Side Upper Guard (3y5824 N/S)
| 3Y***24 | Engine Side Upper Guard | 1 |
Track Roller Frame (8p3765 N/S)--Type 2--With Guiding Guard
| 8P***65 | Frame Group-Track Roller | 1 |
Track Roller Frame (8p3764 N/S)
| 8P***64 | Frame Group-Track Roller | 1 |
Track Roller Frame (8p3765 N/S)--Type 1--With Guiding Guard
| 8P***65 | Frame Group-Track Roller | 1 |
Crankcase Guard (8s3031 N/S)
| 8S***31 | Guard Group-Crankcase | 1 |
Crankcase Guard (7s1526 N/S)
| 7S***26 | Guard Group-Crankcase | 1 |
Radiator Grill Hinged Plate (2p2094 N/S)--Heavy Duty
| 2P***94 | Guard Group-Radiator Hinged | 1 |
Track Roller Frame Guard (8p3103 N/S)
| 8P***03 | Guard Group-Recoil Mechanism | 1 |
9s8352 Track Roller Guard Group
| 9S***52 | Guard Group-Track Roller | 1 |
4m3001 Front Pull Hook Group
| 4M***01 | Hook Group-Front Pull | 1 |
Front Idler (8p2745 N/S)--Part 1 Of 2
| 8P***45 | Idler Group-Front | 1 |
Front Idler (8p2745 N/S) -- Part 2 Of 2
| 8P***45 | Idler Group-Front | 1 |
9g6077 Roll-Over Protective Structure Mounting Group
| 9G***77 | Mounting Group-Rops; Roll-Over Protective System Mounting Group | 1 |
Radiator Grill Hinged Plate (9s8203 N/S)
| 9S***03 | Plate Group-Hinged | 1 |
Radiator Guard (3y447 N/S)
| 3Y***47 | Radiator Guard | 1 |
5a8374 Track Carrier Roller Group -- 4 Groups Required
| 5A***74 | Roller Group-Track Carrier; Track Carrier Roller Group | 1 |
7k8571 Track Roller Group -- Double Flange -- 6 Groups Required
| 7K***71 | Roller Group-Track Double Flange; Track Roller Group--Double Flange | 1 |
Equalizer Spring (2m2401 N/S)
| 2M***01 | Spring Group-Equalizer | 1 |
8p2868 Track Roller Dirt Guard Group -- Heavy Duty
| 8P***68 | Track Roller Dirt Guard Group | 1 |
Cooling System
Engine Oil Cooler (2p6215 N/S)
| 2P***15 | Cooler Group-Engine Oil; Oil Cooler Group Engine | 1 |
Transmission Oil Cooler (2p6510 N/S)
| 2P***10 | Cooler Group-Transmission Oil; Transmission Oil Cooler Group | 1 |
Radiator Cap Protection Cover (9g8849 N/S)
| 9G***49 | Cover Group-Protection | 1 |
1p6094 Reversible Fan Assembly
| 1P***94 | Fan As-Reversible | 1 |
Blower Fan And Guard (1p6897 N/S)
| 1P***97 | Fan Group-Blower | 1 |
1p6436 Sand Blast Grid Group
| 1P***36 | Grid Group-Sand Blast Eroding | 1 |
Water Lines (7n7211 N/S)
| 7N***11 | Lines Group-Water; Water Lines Group | 1 |
1w3060 Water Pump Group (7n5909 N/S)
| 1W***60 | Pump Group-Water | 1 |
7n5909 Water Pump Group
| 7N***09 | Pump Group-Water; Water Pump Group | 1 |
Radiator (8n3736 N/S)--Part 2 Of 2
| 8N***36 | Radiator Group | 1 |
Radiator (8n3736 N/S)--Part 1 Of 2
| 8N***36 | Radiator Group | 1 |
Housing And Regulator (1n3733 N/S)
| 1N***33 | Regulator & Housing Group; Housing And Regulator Group | 1 |
Electrical System
3y8200 Alternator Group -- Part 1 Of 2
| 3Y***00 | Alternator Group | 1 |
Charging Alternator (6n5471 N/S)
| 6N***71 | Alternator Group | 1 |
3y8200 Alternator Group -- Part 2 Of 2
| 3Y***00 | Alternator Group | 1 |
8n1084 Charging Alternator Group -- 24volt, 50ampere
| 1H***36 | Wire Assembly--Alternator To Engine; Wire Assembly- Alternator To Engine | 1 |
| 2L***58 | Terminal (To Alternator Positionor A Terminal) | 1 |
| 2L***60 | Terminal (9.53 mm(.375 In.) Screw); Terminal--No.8 Wire--3/8 In. Screw | 1 |
5s9088 Alternator Group (3t1888 N/S)--Delco Remy--Part 2 Of 2
| 5S***88 | Alternator Group-Charging | 1 |
5s9088 Alternator Group (3t1888 N/S)--Delco Remy--Part 1 Of 2
| 5S***88 | Alternator Group-Charging | 1 |
5s9088 Alternator Group (9g9538 N/S)--Robert Bosch
| 5S***88 | Alternator Group-Charging | 1 |
5a4922 Back-Up Lamp Assembly
| 5A***22 | Back-Up Lamp Assembly | 1 |
Battery And Wiring (9g6035 N/S)--Part 2 Of 3
| 9G***35 | Battery & Wiring Group | 1 |
Battery And Wiring (9g6035 N/S)--Part 1 Of 3
| 9G***35 | Battery & Wiring Group | 1 |
Battery And Wiring (9g6035 N/S) -- Wiring Diagram
| 9G***35 | Battery & Wiring Group | 1 |
Battery And Wiring (9g6035 N/S)--Part 3 Of 3
| 9G***35 | Battery & Wiring Group | 1 |
Battery And Wiring (9g6035 N/S) -- Part 3 Of 3
| 9G***35 | Battery & Wiring Group | 1 |
3y7859 Charging Alternator Group -- 24volt, 35ampere
| 2L***54 | Terminal-Ring; (6-Ga, 1/2-In Screw) | 1 |
| 3Y***00 | Charging Alternator Group; Alternator Group | 1 |
| 3Y***07 | Pulley | 1 |
3y5000 Alternator Assembly--Part 2 Of 2
| 3Y***00 | Charging Alternator Group; Alternator Group | 1 |
3y5000 Alternator Assembly -- Part 1 Of 2
| 3Y***00 | Charging Alternator Group; Alternator Group | 1 |
3y1737 Clearance Lamp Assembly
| 3Y***37 | Clearance Lamp Assembly | 1 |
Flood Lamp
9g6120 Harness Assembly
| 9G***20 | Harness As | 1 |
9p3118 Harness Assembly
| 9P***18 | Harness As | 1 |
Head Lamp (5a3847 N/S)
| 5A***47 | Head Lamp Assembly | 1 |
7m7147 Combination Stop And Tail Lamp Assembly
| 7M***47 | Lamp As-Stop & Tail | 1 |
5a3808 License Lamp Assembly
| 5A***08 | Licence Lamp Assembly; (License) | 1 |
8p6562 Lighting Group -- 4 Lamp, 24volt
| 8P***62 | Lighting Group | 1 |
8p6561 Lighting Group -- 4 Lamp, 24volt
| 8P***61 | Lighting Group | 1 |
9p3382 Lighting Group -- 4 Lamp, 24volt
| 9P***82 | Lighting Group | 1 |
Low Temperature Starting (3y9881 N/S)
| 3Y***81 | Low Temperature Starting | 1 |
3y1735 Parking And Turn Signal Lamp Assembly - R.H.
| 3Y***35 | Parking And Turn Signal Lamp Assembly (R.H.), (L.H.) | 1 |
5a9950 Parking Lamp Assembly
| 5A***50 | Parking Lamp Assembly | 1 |
Road Lighting (3y7535 N/S) -- Type 2 -- Part 3 Of 4
| 3Y***35 | Road Lighting | 1 |
Road Lighting (3y7535 N/S) -- Type 1 -- Part 1 Of 4
| 3Y***35 | Road Lighting | 1 |
Road Lighting (3y7535 N/S)--Wiring Diagram -- Type 1
| 3Y***35 | Road Lighting | 1 |
Road Lighting (3y7535 N/S) -- Type 1 -- Part 3 Of 4
| 3Y***35 | Road Lighting | 1 |
Road Lighting (3y7535 N/S) -- Type 1 -- Part 2 Of 4
| 3Y***35 | Road Lighting | 1 |
Road Lighting (3y7535 N/S)--Wiring Diagram--Type 2
| 3Y***35 | Road Lighting | 1 |
Road Lighting (3y7535 N/S) -- Type 1 -- Part 4 Of 4
| 3Y***35 | Road Lighting | 1 |
Road Lighting (3y7535 N/S)--Type 2--Part 4 Of 4
| 3Y***35 | Road Lighting | 1 |
Road Lighting (3y7535 N/S)--Type 2--Part 2 Of 4
| 3Y***35 | Road Lighting | 1 |
Road Lighting (3y7535 N/S)--Type 2--Part 1 Of 4
| 3Y***35 | Road Lighting | 1 |
Ether Starting Aid (9g6065 N/S)
| 9G***65 | Starting Aid Group-Ether | 1 |
5a6522 Motor Assembly -- Part 2 Of 2
| 5A***22 | Starting Motor Assembly | 1 |
5a6522 Motor Assembly -- Part 1 Of 2
| 5A***22 | Starting Motor Assembly | 1 |
Electric Starting Motor (7s3622 N/S)
| 7S***22 | Starting Motor Group-Electric; Electric Starting Motor Group | 1 |
7n718 Disconnect Switch Assembly
| 7N***18 | Switch As-Disconnect; -Battery-Ground Level | 1 |
9g1480 Starter Switch Assembly
| 9G***80 | Switch Group-Heat Start | 1 |
3y2046 Turn Signal Lamp Assembly
| 3Y***46 | Turn Signal Lamp Assembly | 1 |
Fuel System And Governor
8p2490 Decelerator Control Group
| 8P***90 | Decelerator Control Group | 1 |
8p2141 Fuel Tank Guard Group
| 8P***41 | Fuel Tank Guard Group | 1 |
9g8847 Fuel Tank Protection Cap Group
| 9G***47 | Cap Group-Protection; Fuel Tank Protection Cap Group | 1 |
Fuel Transfer Pump Cover (7n4077 N/S)
| 7N***77 | Cover Group-Fuel Transfer; Fuel Transfer Pump Cover Group | 1 |
Accessory Drive (8n4515 N/S)
| 8N***15 | Drive Group-Accessory; Accessory Drive Group | 1 |
Primary Fuel Filter (1p6835 N/S)
| 1P***35 | Filter Group-Primary Fuel; Primary Fuel Filter Group | 1 |
7n7015 Fuel Injection Pump Group
| 7N***15 | Fuel Injection Pump Group | 1 |
Fuel Lines (9g5503 N/S)
| 9G***03 | Fuel Lines | 1 |
Fuel Priming Pump And Filter (8n9162 N/S)
| 8N***62 | Fuel Priming Pump And Filter; Fuel Priming Pump & Filter Group | 1 |
Governor And Fuel Injection Pump (7n6780 N/S)
| 7N***80 | Governor And Fuel Injection Pump | 1 |
Governor Control (9p5485 N/S)--Part 1 Of 2
| 9P***85 | Governor Control | 1 |
Governor Control (9p5485 N/S)--Part 2 Of 2
| 9P***85 | Governor Control | 1 |
7n6767 Governor Group--Part 2 Of 2
| 7N***67 | Governor Group | 1 |
7n6767 Governor Group--Part 1 Of 2
| 7N***67 | Governor Group | 1 |
Fuel Injection Lines (7n5769 N/S)
| 7N***69 | Lines Group-Fuel Injection; Fuel Injection Lines Group | 1 |
4n4864 Transfer Pump Group
| 4N***64 | Pump Group-Fuel Transfer | 1 |
Fuel Transfer Pump (7s4429 N/S)
| 7S***29 | Pump Group-Fuel Transfer; Fuel Transfer Pump Group | 1 |
Fuel Tank (9g4194 N/S)--250 Liter
| 9G***94 | Tank Group-Fuel | 1 |
Torque Control (7n4644 N/S)
| 7N***44 | Torque Control | 1 |
Hydraulic System
Hydraulic Tank Cap Protection Cover (9g9288 N/S)
| 9G***88 | Protection Cover Group; -Hydraulic Tank-Steering Tank Fill Cap-Hydraulic Tank Fill Cap | 1 |
8p3070 Hydraulic Control Arrangement -- Bulldozer
| 3G***31 | Tank & Valve Group | 1 |
| 7S***86 | Film (153 Hydraulic Control) | 1 |
| 8J***30 | Pump Group-Gear; Gear Pump Group | 1 |
8p3073 Hydraulic Control Arrangement -- Bulldozer, Blade Tilt And Ripper
| 3G***91 | Tank & Valve Group-Hydraulic | 1 |
| 4J***87 | Valve Group-Auxiliary; Valve Group--External Auxiliary | 1 |
| 7G***53 | Lines Group-Ripper; Ripper Lines Group | 1 |
8p3072 Hydraulic Control Arrangement -- Bulldozer And Ripper
| 3G***91 | Tank & Valve Group-Hydraulic | 1 |
| 4J***87 | Valve Group-Auxiliary; Valve Group--External Auxiliary | 1 |
| 7G***53 | Lines Group-Ripper; Ripper Lines Group | 1 |
8p3071 Hydraulic Control Arrangement -- Bulldozer And Blade Tilt
| 3G***32 | Tank & Valve Group | 1 |
| 7S***86 | Film (153 Hydraulic Control) | 1 |
| 8J***30 | Pump Group-Gear; Gear Pump Group | 1 |
Hydraulic Tank Cap Protection Cover (5d1910 N/S)
| 5D***10 | Cover Group-Protection; Protection Cover Group Hydraulic Tank Cap | 1 |
7j8302 Bulldozer Lift Cylinder Group
| 7J***02 | Cylinder Group; Hydraulic Lift Cylinder Group | 1 |
7j8299 Bulldozer Lift Cylinder Group
| 7J***99 | Cylinder Group-Hydraulic; Hydraulic Cylinder Group | 1 |
2j1402 Tilt Cylinder Group
| 2J***02 | Cylinder Group-Hydraulic; Hydraulic Tilt Cylinder Group (Type 6) | 1 |
8j1779 Ripper Cylinder Group
| 8J***79 | Cylinder Group-Ripper Lift | 1 |
2p6743 Bulldozer Lines Group
| 2P***43 | Lines Group-Bulldozer; Bulldozer Lines Group | 1 |
2p6055 Bulldozer Lines Group
| 2P***55 | Lines Group-Bulldozer; Bulldozer Lines Group | 1 |
Bulldozer Lines (9g7041 N/S)
| 9G***41 | Lines Group-Bulldozer; Bulldozer Lines Group | 1 |
8p8148 Pump Lines Group--Type 2
| 8P***48 | Lines Group-Pump; Pump Lines Group | 1 |
8p8148 Pump Lines Group--Type 1
| 8P***48 | Lines Group-Pump; Pump Lines Group | 1 |
Ripper Lines (7g1253 N/S) -- Type 2 -- Part 2 Of 2
| 7G***53 | Lines Group-Ripper; Ripper Lines Group | 1 |
8j7050 Ripper Lines Group
| 8J***50 | Lines Group-Ripper | 1 |
Ripper Lines (7g1253 N/S) -- Type 1 -- Part 2 Of 2
| 7G***53 | Lines Group-Ripper; Ripper Lines Group | 1 |
Ripper Lines (7g1253 N/S) -- Type 2 -- Part 1 Of 2
| 7G***53 | Lines Group-Ripper; Ripper Lines Group | 1 |
Ripper Lines (7g1253 N/S) -- Type 3 -- Part 2 Of 2
| 7G***53 | Lines Group-Ripper; Ripper Lines Group | 1 |
Ripper Lines (7g1253 N/S)--Type 1--Part 1 Of 2
| 7G***53 | Lines Group-Ripper; Ripper Lines Group | 1 |
Ripper Lines (7g1253 N/S) -- Type 3 -- Part 1 Of 2
| 7G***53 | Lines Group-Ripper; Ripper Lines Group | 1 |
Tilt Cylinder Lines (1u653 N/S)--Type 1
| 1U***53 | Lines Group-Tilt Cylinder; Tilt Cylinder Lines Group | 1 |
9p476 Tilt Cylinder Lines Group--Type 2
| 9P***76 | Lines Group-Tilt Cylinder | 1 |
9p476 Tilt Cylinder Lines Group--Type 1
| 9P***76 | Lines Group-Tilt Cylinder | 1 |
Tilt Cylinder Lines (1u653 N/S)--Type 2
| 1U***53 | Lines Group-Tilt Cylinder; Tilt Cylinder Lines Group | 1 |
8p5692 Hydraulic Hand Control Group -- Bulldozer And Tilt Cylinder
| 8P***92 | Linkage Group-Implement; Bulldozer And Tilt Implement Linkage Group | 1 |
8p5721 Hydraulic Hand Control Group -- Bulldozer
| 8P***21 | Linkage Group-Implement; Bulldozer Implement Linkage Group | 1 |
8p5040 Hydraulic Hand Control Group -- Ripper
| 8P***40 | Linkage Group-Implement; Implement Linkage Group--Ripper | 1 |
8p4156 Hydraulic Tank Mounting Group
| 8P***56 | Mounting Group-Hydraulic Tank; Hydraulic Tank Mounting Group | 1 |
8j6330 Gear Pump Group
| 8J***30 | Pump Group-Gear; Gear Pump Group | 1 |
Tank And Valve (3g1731 N/S)--Single Valve--Part 2 Of 2
| 3G***31 | Tank & Valve Group | 1 |
Tank And Valve (3g1731 N/S)--Single Valve--Part 1 Of 2
| 3G***31 | Tank & Valve Group | 1 |
Tank And Valve (3g1732 N/S)--Two Valve--Part 2 Of 2
| 3G***32 | Tank & Valve Group | 1 |
Tank And Valve (3g1732 N/S)--2 Valve--Part 1 Of 2
| 3G***32 | Tank & Valve Group | 1 |
Tank And Valve (3g1732 N/S)--2 Valve--Part 2 Of 2
| 3G***32 | Tank & Valve Group | 1 |
Tank And Valve (3g1732 N/S)--Two Valve--Part 1 Of 2
| 3G***32 | Tank & Valve Group | 1 |
Tank And Valve (3g9791 N/S)--Two Valve With External Valve--Part 2 Of 2
| 3G***91 | Tank & Valve Group-Hydraulic | 1 |
Tank And Valve (3g9791 N/S)--Two Valve With External Valve--Part 1 Of 2
| 3G***91 | Tank & Valve Group-Hydraulic | 1 |
1u4662 Basic Valve Group
| 1U***62 | Valve Group | 1 |
1u4663 Basic Valve Group
| 1U***63 | Valve Group | 1 |
9j7193 Basic Valve Group
| 9J***93 | Valve Group | 1 |
9j7194 Basic Valve Group
| 9J***94 | Valve Group | 1 |
4j487 External Auxiliary Valve Group
| 4J***87 | Valve Group-Auxiliary; Valve Group--External Auxiliary | 1 |
9j9403 Control Valve Group--Type 2
| 9J***03 | Valve Group-Control | 1 |
9j9403 Control Valve Group--Type 1
| 9J***03 | Valve Group-Control | 1 |
9j9833 Control Valve Group -- Type 2
| 9J***33 | Valve Group-Control | 1 |
9j9833 Control Valve Group--Type 1
| 9J***33 | Valve Group-Control | 1 |
Implements
3y4416 Angling Bulldozer Arrangement
| 2P***43 | Lines Group-Bulldozer; Bulldozer Lines Group | 1 |
| 3Y***16 | Angling Bulldozer Arrangement | 1 |
| 5J***67 | Trunnion Group; Trunnion Group | 1 |
3g6202 Straight Blade Group
| 3G***02 | Blade Group; Blade Group | 1 |
9j6847 Angling Blade Group
| 9J***47 | Blade Group-Angling; Blade Group--Angling | 1 |
8f6373 Brace Group
| 8F***73 | Brace Group; Brace Group | 1 |
6j679 C-Frame Group
| 6J***79 | C-Frame Group; "C" Frame Group | 1 |
8j2895 Cylinder Mounting Group
| 8J***95 | Mounting Group-Cylinder; Cylinder Mounting Group | 1 |
9j6215 Ripper Mounting Group
| 9J***15 | Mounting Group-Ripper; Ripper Mounting Group | 1 |
Push Arm (3g7899 N/S)
| 3G***99 | Push Arm & Brace Group; Push Arm And Brace Group | 1 |
9j6699 Ripper Arrangement
| 5S***81 | Film-No. 5 Ripper On Ripper Serial No. | 1 |
| 8J***79 | Cylinder Group-Ripper Lift | 1 |
| 8J***50 | Lines Group-Ripper | 1 |
8j7590 Ripper Arrangement -- Basic
| 8J***90 | Ripper Ar | 1 |
3y4415 Straight Bulldozer Arrangement
| 1U***53 | Lines Group-Tilt Cylinder; Tilt Cylinder Lines Group | 1 |
| 1U***54 | Cylinder Ar-Tilt; Tilt Cylinder Arrangement -- Attachment | 0 |
| 2J***02 | Cylinder Group-Hydraulic; Hydraulic Tilt Cylinder Group (Type 6) | 1 |
8j2189 Ripper Tooth Group
| 8J***89 | Tooth Group-Ripper; -Straight | 1 |
5j7267 Trunnion Group
| 5J***67 | Trunnion Group; Trunnion Group | 1 |
Intake And Exhaust System
Air Cleaner (6n7817 N/S)
| 6N***17 | Air Cleaner Group | 1 |
Exhaust Pipe (6n7816 N/S)
| 6N***16 | Exhaust Pipe Group; Exhaust Pipe Group | 1 |
Muffler (6n7718 N/S)
| 6N***18 | Muffler Group | 1 |
Exhaust Manifold Fastener (2p6534 N/S)
| 2P***34 | Fastener Group-Exhaust Manifold; Exhaust Manifold Fastener Group | 1 |
Air Filter Service Indicator (8s2541 N/S)
| 8S***41 | Indicator Group | 1 |
Air Lines (2p6841 N/S)
| 2P***41 | Lines Group-Air; Air Lines Group | 1 |
Exhaust Manifold (2p6572 N/S)
| 2P***72 | Manifold Group-Exhaust; Exhaust Manifold Group | 1 |
Precleaner (3y6690 N/S)
| 3Y***90 | Precleaner | 1 |
Prescreener (5m2734 N/S)
| 5M***34 | Prescreener Group | 1 |
Lubrication System
Oil Filler Protection Cap (1n4296 N/S)
| 1N***96 | Vandalism Protection Group; Protection Gp-Vandalism | 1 |
Breather (1p4244 N/S)
| 1P***44 | Breather Group | 1 |
Oil Filter (2p6475 N/S)
| 2P***75 | Filter Group-Engine Oil; Oil Filter Group (10z1 ~ 10z7023) | 1 |
Engine Oil Filter (2p6475 N/S)
| 2P***75 | Filter Group-Engine Oil; Oil Filter Group (10z1 ~ 10z7023) | 1 |
Fumes Disposal (8n1838 N/S)
| 8N***38 | Fumes Disposal Group | 1 |
Engine Oil Lines (2p6105 N/S)
| 2P***05 | Lines Group-Engine Oil; Engine Oil Lines Group | 1 |
Engine Oil Filler (4n5138 N/S)
| 4N***38 | Oil Filler Group | 1 |
2p1785 Gear Pump Group
| 2P***85 | Pump Group-Engine Oil | 1 |
Engine Oil Pump (2p1784 N/S)
| 2P***84 | Pump Group-Engine Oil; Engine Oil Pump Group | 1 |
Power Train
Final Drive (8p2470 N/S)--Part 2 Of 2
| 8P***70 | Final Drive Group | 1 |
Final Drive (8p2470 N/S)--Part 1 Of 2
| 8P***70 | Final Drive Group | 1 |
Flexible Coupling Drive (7g6691 N/S)
| 7G***91 | Flexible Coupling Drive Group | 1 |
9p3050 Selector And Pressure Control Valve Group
| 9P***50 | Pressure And Selector Control Valve Group | 1 |
Hydraulic Control Valve (9p3049 N/S)
| 9P***49 | Pressure And Selector Valve Group | 1 |
9p988 Sprocket Group
| 9P***88 | Segmented Sprocket Group | 1 |
Torque Converter (2p1064 N/S)
| 2P***64 | Torque Converter Group | 1 |
1t1350 Torque Converter Group
| 1T***50 | Torque Converter Group | 1 |
9p2681 Powershift Transmission Arrangement
| 9P***81 | Transmission Arrangement | 1 |
Transmission Control (8p4062 N/S)--Part 2 Of 2
| 8P***62 | Transmission Control Linkage Group | 1 |
Transmission Control (8p4062 N/S)--Part 1 Of 2
| 8P***62 | Transmission Control Linkage Group | 1 |
Powershift Transmission (9p4905 N/S)
| 9P***05 | Transmission Group; Transmission Gp-Power Shift | 1 |
Transmission Hydraulic Control (9p5365 N/S)
| 9P***65 | Transmission Hydraulic Control Group | 1 |
Transmission Oil Filter (3s6830 N/S)
| 3S***30 | Filter Group-Transmission | 1 |
Transfer Gear (5s916 N/S)
| 5S***16 | Gear Group-Transfer | 1 |
Power Train Oil Lines (9g7471 N/S) -- Part 1 Of 3
| 9G***71 | Lines Group-Power Train Oil | 1 |
Power Train Oil Lines (9g7471 N/S) -- Part 2 Of 3
| 9G***71 | Lines Group-Power Train Oil | 1 |
Power Train Oil Lines (9g7471 N/S)--Part 3 Of 3
| 9G***71 | Lines Group-Power Train Oil | 1 |
Pranetary Transmission (4s6000 N/S)--Part 1 Of 2
| 4S***00 | Planetary Group | 1 |
Pranetary Transmission (4s6000 N/S)--Part 2 Of 2
| 4S***00 | Planetary Group | 1 |
Power Train Oil Lines (3y8395 N/S) -- Part 3 Of 3
| 3Y***95 | Power Train Oil Lines | 1 |
Power Train Oil Lines (3y8395 N/S) -- Part 2 Of 3
| 3Y***95 | Power Train Oil Lines | 1 |
Power Train Oil Lines (3y8395 N/S) -- Part 1 Of 3
| 3Y***95 | Power Train Oil Lines | 1 |
7s8660 Transmission Pump Group
| 7S***60 | Pump Group-Transmission | 1 |
9m8669 Magnetic Screen Group
| 9M***69 | Screen Group-Magnetic; -Differential Lock | 1 |
3t3394 Powershift Transmission Arrangement
| 3T***94 | Transmission Ar | 1 |
3t2667 Priority Valve Group
| 3T***67 | Valve Group | 1 |
3t3399 By-Pass Valve Group
| 3T***99 | Valve Group-Bypass | 1 |
3s6860 Relief Valve Group
| 3S***60 | Valve Group-Relief | 1 |
Service Equipment And Supplies
8f9866 Grease Gun Group
| 8F***66 | Grease Gun As | 1 |
Name Plates And Films
| 1P***78 | Film--Cat; Film -Cat | 2 |
| 5P***81 | Film-D5b; - On Each Side Of Seat Support | 2 |
| 5P***92 | Film-Lubrication Instructions; - On Vertical Surface Of R.H. Console | 1 |
9s7977 Tool Group
| 9S***77 | Tool Group-Hand | 1 |
Steering Clutches And Brakes
9p740 Brake Band And Lining Assembly
| 9P***40 | Brake Band And Lining Assembly | 1 |
Brake Hydraulic Mechanism (8p1872 N/S)--Part 2 Of 2
| 8P***72 | Brake Hydraulic Mechanism Group | 1 |
Brake Hydraulic Mechanism (8p1872 N/S)--Part 1 Of 2
| 8P***72 | Brake Hydraulic Mechanism Group | 1 |
7g6716 Control Valve Group
| 7G***16 | Control Valve Group | 1 |
Steering Brake (8p4985 N/S)--Part 1 Of 3
| 8P***85 | Steering Brake Group | 1 |
Steering Brake (8p4985 N/S)--Part 3 Of 3
| 8P***85 | Steering Brake Group | 1 |
Steering Brake (8p4985 N/S)--Part 2 Of 3
| 8P***85 | Steering Brake Group | 1 |
Steering Clutch Control (9g650 N/S)--Part 2 Of 2
| 9G***50 | Steering Clutch Control Group | 1 |
Steering Clutch Control (9g650 N/S)--Part 1 Of 2
| 9G***50 | Steering Clutch Control Group | 1 |
Steering Clutch (8p3260 N/S)
| 8P***60 | Steering Clutch Group | 1 |
Accumulator (3y7672 N/S)
| 3Y***72 | Accumulator | 1 |
3y8582 Accumulator Assembly
| 3Y***82 | Accumulator Assembly | 1 |
Steering Brake (9g7802 N/S)--Part 1 Of 2
| 9G***02 | Brake Group-Steering | 1 |
Steering Brake (9g7802 N/S)--Part 2 Of 2
| 9G***02 | Brake Group-Steering | 1 |
Brake Control (9g7805 N/S)
| 9G***05 | Control Group-Brake | 1 |
Brake Hydraulic Mechanism (9g7803 N/S)--Part 2 Of 2
| 9G***03 | Mechanism Group-Brake | 1 |
Brake Hydraulic Mechanism (9g7803 N/S)--Part 1 Of 2
| 9G***03 | Mechanism Group-Brake | 1 |
3t9365 Control Valve Group
| 3T***65 | Valve Group-Control | 1 |
D5B serial number reference
The PIN/serial plate on a D5B is riveted high on the rear of the left-hand frame rail; ripper-equipped machines can have it partly hidden behind the ripper linkage. The first three characters of the number are the plant/configuration prefix (letters and numbers), and the digits that follow are the sequential unit number within that production run. Match the full serial (prefix plus digit range, watching for a '-up' style break) against parts or service literature to pin down the exact configuration for that unit.
| Prefix | Identifies | Notes |
|---|---|---|
| 22X | D5B, Direct Drive | 3306 engine (naturally aspirated, about 105 hp / 78 kW). US-built production block, documented 22X00001-00438 then continuing 22X00439-up. |
| 23X | D5B, Direct Drive | 3306 engine. US-built, parallel block to 22X: documented 23X00001-00777 then continuing 23X00778-up. Exact spec difference from 22X not documented - confirm with dealer. |
| 25X | D5B, Powershift | 3306 engine. US-built. Fail-safe brake option added partway through the run, around 25X02073. |
| 26X | D5B Special Application (SA), Direct Drive | 3306 engine. US-built ag-spec trim (reinforced drawbar). Documented 26X00001-00877 then continuing 26X00878-up. |
| 44X | D5B, Powershift | 3306 engine. US-built, later production block, documented 44X00001-01110 then continuing 44X01111-up. Track gauge (standard vs wide) for this block is not confirmed by any source - confirm with dealer. |
| 46X | D5B LGP | 3306 engine. US-built low ground pressure version with widened, lengthened track frame and wide shoes. Documented 46X00001-00723 then continuing 46X00724-up. |
| 48X | D5B, Powershift | 3306 engine. US-built, later sequential Powershift block (documented from about 48X00589-up), roughly late 1970s into the mid-1980s by sale-listing dates. No distinct spec break from 25X/44X documented - confirm with dealer. |
| 62J | D5B, Direct Drive, wide gauge (1880 mm / 74 in) | 3306 engine. France-built. This letter block was already running before the D5B nameplate existed in 1977, so it spans the pre-B D5 into the D5B; the D5B portion is documented from about 62J00957-up. Exact serial break between D5 and D5B - confirm with dealer. |
| 63J | D5B, Powershift, wide gauge (1880 mm / 74 in) | 3306 engine. France-built. Same carryover as 62J: block predates the 1977 D5B introduction, with the D5B portion documented from about 63J01512-up. Exact serial break - confirm with dealer. |
| 8MB | D5B, Powershift, narrow gauge (1524 mm / 60 in) | 3306 engine. France-built, later production run (around 1984-85), a fresh block with no pre-B carryover. |
Frequently asked questions
What engine does the Caterpillar D5B use?
The Cat 3306, a naturally aspirated six-cylinder diesel rated about 78 kW (105 hp) gross on the Standard and LGP dozer builds, and about 89 kW (119-120 hp) gross on the SA configuration. It is a mechanically governed, pre-emissions design with no electronic diagnostics; a turbocharged 3306 also appears on some production blocks.
What is the operating weight of the Caterpillar D5B?
Roughly 10.6 to 14.7 tonnes (23,300-32,400 lb), depending on configuration. The SA (Special Application) build is lightest at about 10.6 t (23,300 lb), the Standard dozer runs about 11.7 t (25,800 lb), and the wide-gauge LGP is heaviest at about 14.7 t (32,400 lb).
What replaced the Caterpillar D5B?
Caterpillar retired the D5B in 1985 and carried the D5 nameplate forward on the D5C, which moved to a different, smaller-displacement engine family in place of the D5B's 3306.
What D5B owners discuss
Does a powershift D5B engine-brake going downhill the way a direct-drive machine does?
No. Powershift D5Bs move power through a torque converter, a fluid coupling with no solid mechanical link between engine and final drive, so coasting downhill produces no engine braking. Speed control on a grade comes from the foot brake and steering clutch/brake pedal alone. The direct-drive option (five-speed with Cat oil clutch) behaves differently: releasing the clutch pedal lets an inertia brake slow the driveline for a smoother shift, and some drag is felt through the drivetrain. Know which transmission is under the seat before assuming either behavior on a slope.
What's the most common cause of a D5B pulling or steering unevenly to one side?
Worn steering clutch and brake linkage tops the list, not the clutches themselves. Rod ends, bushings, pins, and yokes wear over decades and introduce slack that shows up as delayed or uneven engagement side to side. Correct sequence is the steering clutch releasing about halfway through pedal travel, before the band brake grabs; if that sequence is off, one side feels grabby or slow to disengage. Clutch pressure should fall in roughly the 300 to 340 psi range and pump supply in roughly the 280 to 380 psi range, checked at the test ports on the steering clutch control elbows, before condemning clutch discs or seals. Because steering and stopping share this system, have your dealer verify pressures and linkage adjustment before returning the machine to grade or slope work.
Why does a D5B sometimes refuse to pick a gear, or drop straight into reverse no matter what the lever says?
Points to worn control linkage inside the powershift transmission, not the clutches themselves. Forward/reverse selection and speed selection each run on their own linkage, and any lost motion in the rod ends or the bushing where the shaft passes through the case can cross-wire gear selection. Owners have also reported gears refusing to engage after a couple hours of running, needing several attempts and extra throttle before catching; low oil level or poor pump pickup on uneven ground gets blamed as often as the linkage itself. Pull the floor plate and inspect the linkage before assuming an internal transmission fault.
What wear pattern should owners watch for on D5B final drives and undercarriage?
Final drive housings wear on the underside over time. Some D5Bs left the factory with a wear guard there and some didn't, and housings without one can wear through far enough to start leaking. On the wider undercarriage, check idler block travel left before the track chain runs out of adjustment, feel bushings for wear or breakage, compare rail height at the center of a link against a new link, look at sprocket tooth profile, and don't skip the bottom rollers, they can wear down far enough to ride on the rail's pin boss. None of this is obvious from a walk-around; it is typically the biggest line item in restoring a tired D5B.
What's distinctive about the D5B's engine compared with other Cat machines built around a 3306?
The D5B carries the naturally aspirated 3306, rated at 105 flywheel horsepower, a precombustion-chamber (indirect injection) mechanically governed diesel with no turbo and no electronics. Cat used the same 3306 block turbocharged and turbo-aftercooled in larger machines, but the D5B kept the plain naturally aspirated version, which owners credit for long service life since there is no turbo to eventually fail or maintain. Working fuel burn runs roughly in the 3 to 5 gallon-per-hour range depending on load and configuration. Precombustion-chamber diesels of this vintage can be harder cold starters than later direct-injection engines and often need an ether or diesel-fuel starting aid in cold weather; mixing starting fluid with an electric intake air heater on the same start attempt is a recognized ignition hazard on older Cat engines of this type, so have your dealer verify which starting aid, if any, is fitted before using ether.
What electrical faults show up most often on the D5B's starting and charging system?
The D5B runs an older 24-volt starter, generator, and regulator system rather than a modern alternator-based charging setup. A common complaint is turning the key and crank knob with no starter engagement while the ammeter shows a discharge; the fix usually isn't a new battery, it's cleaning and tightening battery terminals, ground straps, and the starter solenoid connections, since corrosion there reads like a dead battery even when the battery itself tests fine. On machines that sit for weeks between uses, owners who downsized to smaller standard-capacity batteries found less reserve to self-jump a cold start; keeping full heavy-duty capacity is worth the extra cost if the machine isn't run regularly.
What should a buyer check on a used D5B before making an offer?
Undercarriage first; it's typically the single biggest repair cost on a machine this age and isn't obvious from a walk-around, so budget for it separately from the asking price. Bring someone who knows crawler dozers if you don't: have them listen to the engine for blow-by and unusual knock, watch for smoke, and run the blade and steering through full cycles checking for consistent speed rather than a gradual slowdown that points to internal hydraulic leakage or pump wear. Look underneath for fresh leaks, check the final drive housings for thinning or leaking at the bottom, and check the welds on push arms and blade mounts, since uneven or extra-reinforced welds mark a prior repair. Don't lean on the hour meter alone; a low-hour machine run hard or poorly maintained can be more worn than a high-hour machine that was cared for.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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