Caterpillartrack-type tractor
Caterpillar D6E
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar D6E is a medium class track-type tractor (crawler dozer) powered by a Cat 3306 six-cylinder diesel rated at roughly 155 hp (115 kW) gross, paired with a powershift transmission offering three forward and three reverse gears. Operating weight runs approximately 33,000 to 34,000 lb (14,970 to 15,420 kg) depending on blade and configuration, with a standard dozer blade capacity around 4.3 cu yd (3.3 m3). It reached the market in the early 1980s as the power update to the 140 hp D6D, and factory literature confirms it stayed in Caterpillar's lineup well into the early 1990s, sold alongside the elevated-sprocket D6H introduced in 1986. Caterpillar marketed it primarily as a standard dozer with the usual range of blade and ripper attachments common to the D6 class; documentation confirming a dedicated low ground pressure or swamp variant specific to the D6E is thin, so confirm exact factory configuration against your machine's serial number.
The core change from the D6D to the D6E was a power increase on the same 3306 engine family rather than a structural redesign - both keep a conventional (non-elevated) undercarriage with the sprocket driving the track directly, unlike the elevated-sprocket layout Caterpillar rolled out across its medium track-type tractors starting with the D6H in 1986. That makes the D6E the last conventional-drive D6 before that architecture shift, and it shares engine and driveline commonality with the D6D before it and the later 3306-based D6H. In the used and parts market today, D6E units show up less often than the longer-running D6D or D6H, but parts support stays solid because of the widely used 3306 engine family and a conventional undercarriage design that is simpler and generally cheaper to service than the elevated-sprocket generations that followed.
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 D6E specifications
Engine
| Engine model / era | Caterpillar 3306 direct-injection diesel, mechanically governed (no electronic engine controls). Production era runs roughly early 1980s through the late 1990s; documented serial-number prefix for this model is 2MJ. |
| Displacement | 10.5 L (640.8 in³) |
| Gross power | 115.6 kW (155 hp), consistent across factory-style spec sheets |
| Net power | Not published in available spec sheets for this series |
| Aspiration | Not consistently documented for this exact tune. The 3306 engine family spans naturally aspirated through turbocharged-aftercooled ratings depending on application, so this detail varies by source and should be confirmed against the machine's own parts/engine plate |
| Emissions | Predates formal nonroad emissions tiers (mechanical fuel system, no aftertreatment); no certification tier applies |
Weights
| Operating weight, standard configuration | Approximately 14,960 kg (32,981 lb) per factory-style spec sheets |
| Field/used-equipment variance | Individual machine listings show working weights from roughly 14,290 kg to 15,000+ kg (31,500-33,000 lb), reflecting blade fitted, attachments, and wear |
| Configuration note | Available spec sources document this generation chiefly in one standard track-type tractor configuration. Distinct factory Standard/XL/LGP weight variants, as later published for newer D6-series generations, are not documented separately for this machine |
Dimensions
| Length with blade | 4.80 m (15 ft 9 in) |
| Length without blade | 3.73-3.75 m (12 ft 3 in) |
| Width over tracks | 2.46-2.47 m (8 ft 1 in) |
| Height to top of cab | 3.06-3.08 m (10 ft 0-1 in) |
| Ground clearance | 0.31-0.34 m (1 ft 0-1 in) |
| Track length on ground | 2.67-2.68 m (8 ft 9-10 in) |
| Track gauge | 1.88 m (6 ft 2 in) |
| Standard track shoe width | 508 mm (20 in) |
| Ground contact area | 2.72 m² (4,216 in²), standard shoe width |
Performance
| Travel speed, forward (max) | 10.9 km/h (6.8 mph) on a 3-speed powershift transmission |
| Travel speed, reverse (max) | 13.0 km/h (8.1 mph) |
| Per-gear speeds | Not broken out in available spec sources; only top forward and reverse speeds are published |
| Ground pressure | 54 kPa (7.8-7.9 psi), standard shoes, standard configuration |
| Drawbar pull | Not consistently published for this generation in available spec sources; confirm exact figure against dealer or OEM literature for the specific serial range |
| Gradeability | Not documented in available spec sources for this generation |
Blades
| Standard blade width | 3.20 m (10 ft 6 in) |
| Standard blade height | 1.13 m (44.5 in) |
| Standard blade capacity | 3.3 m³ (4.3 cu yd) |
| Blade angling range | 12 degrees |
| Maximum cutting depth | 0.47 m (18.6 in) |
| Other blade types (S/SU/A/VPAT) | Not documented for this model in available spec sources; those blade designations belong to later D6-series generations |
Service capacities summary
| Fuel tank capacity | 295 L (78 US gal), consistent across spec databases |
| Engine oil / hydraulic / cooling system capacities | Exact factory fill quantities are not consistently published in available spec sources for this generation. Service guidance calls for a Cat DEO-class 15W-40 diesel engine oil in the engine and hydraulic system, and Cat TDTO-class gear oil in the powershift transmission and final drives. Confirm exact fill quantities against the machine's own Operation & Maintenance Manual for its serial-number range |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D6E fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) - Cat 3306 diesel | Not confirmed from the D6E OMM itself. The 3306 engine family in machine service generally falls in the 27-34 L (28.5-36 qt) range depending on pan/filter configuration; verify the exact figure against the D6E OMM or a dealer before servicing. | Diesel engine oil meeting Cat DEO specification (heavy-duty diesel engine oil performance level typical of this engine's era). Field references for this model cite SAE 15W-40 multigrade for temperate use; use a lighter multigrade (e.g. SAE 10W-30) in sustained cold below roughly -18 C (0 F) per Cat's general viscosity-by-climate guidance for this engine class. Exact D6E OMM viscosity chart not verified from available sources. |
| Cooling system | Not documented in sources available for this specific model/serial range - confirm against the OMM or a dealer before refilling. | Cat heavy-duty antifreeze/coolant (Cat DEAC) mixed to the correct ratio for freeze and corrosion protection. Cat Extended Life Coolant (ELC) came later in this machine's long production run and may appear as an approved alternative in later OMM revisions - do not mix ELC and conventional coolant. |
| Fuel tank | 295 L (78 US gal), per factory-style spec references for this model. | No. 2-D diesel fuel meeting the engine's fuel specification for the period (clean, low-sulfur diesel appropriate to the applicable emissions era). Avoid contaminated or off-spec fuel. |
| Powershift transmission and bevel gear/steering clutch compartment | Not documented in sources available for this specific model. This machine uses oil-cooled multiple-disc steering clutches and brakes, and on Cat powershift dozers of this generation the transmission, bevel gear, and steering clutch compartments commonly share one oil circuit and a common drain point - confirm total system capacity against the OMM or a dealer. | Cat Transmission and Drive Train Oil (Cat TDTO) meeting Cat TO-4 performance, in the SAE grade suited to ambient temperature (lighter grade such as SAE 10W in cold conditions, heavier grade such as SAE 30 or SAE 50 in warm conditions). |
| Final drives (each side) | Not documented in sources available for this specific model - check level at each side's own fill/level plug rather than relying on a stated volume. | Cat TDTO SAE 50 (oil meeting Cat TO-4 specification), one fill per side, as specifically called out for this model's final drives. |
| Hydraulic system/tank (blade/implement circuit) | Not documented in sources available for this model. | On this generation of Cat track-type tractor the implement hydraulic circuit commonly runs the same powertrain-spec oil (Cat TDTO to TO-4) rather than a dedicated hydraulic-only fluid, though some configurations may call for Cat HYDO oil instead - confirm the exact call-out against the OMM before topping off. |
| Pivot shaft / equalizer bar | No separate oil-fill point documented for this location in sources reviewed; it is a greased pivot, not an oil reservoir. | Cat multipurpose chassis grease (NLGI 1 or 2 lithium-complex/EP grease depending on ambient temperature), applied at the scheduled interval. |
| Grease points (track roller frame, idlers, blade linkage, steering/clutch linkage, etc.) | Not applicable - serviced by grease-gun application at each fitting on the periodic lubrication schedule, not a fill volume. | Cat multipurpose grease: NLGI 1 for cold-climate service, NLGI 2 for temperate/warm-climate service, or an equivalent lithium-complex EP grease. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar D6E 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 |
|
| Every 6,000 h |
|
Servicing the D6E beyond the schedule
Predictive Maintenance & Fluid Analysis
The D6E predates onboard diagnostics, so scheduled oil sampling is the main predictive tool available. Pull samples from the 3306 engine, powershift transmission/torque converter, and both final drives at every scheduled oil change to catch rising wear metals or fuel dilution before a component fails in the field. Track coolant condition and corrosion inhibitor levels closely, since the 3306's wet-sleeve cylinder liners are prone to cavitation erosion once additive levels drop. Log hour-meter trends against fuel burn to catch injector wear early, before it shows up as smoke or a rough idle.
Corrective & Common Repairs
Expect blade lift and tilt cylinder seal leaks as hydraulic hoses and rod seals age; check them at every service interval. Steering clutches and brake bands wear from repeated pivot turns, showing up as a wandering track or a slipping turn - adjust or reline before it drags into the final drive. The mechanical fuel system on the 3306 can drift out of calibration over time, causing rough idle or smoke; have injectors and the pump checked if fuel economy drops. Powershift clutch packs slip when transmission oil quality or level is neglected.
Overhaul & Rebuild Points
Undercarriage is the highest lifetime cost on the D6E's conventional, non-elevated chassis: track chain, rollers, idlers, and sprockets wear steadily and drive most rebuild budgets - measure pitch and bushing wear on a schedule rather than running components to failure. Final drives carry planetary reduction gearing that warrants a rebuild evaluation once oil samples show a rising wear-metal trend. Steering clutches and brake bands are wear items suited to periodic rebuild rather than one-time replacement. At high hours, plan an engine inframe overhaul on the 3306 around liner, ring, and bearing condition.
Seasonal & Environment Servicing
Cold starts are hard on a mechanically injected 3306 with no electronic assist; keep starting aids and any block heater in service, and hold coolant at the correct antifreeze concentration through winter. In hot, dusty conditions, service the air cleaner and clean the radiator core more often than the standard interval to head off overheating and accelerated engine wear. Working in mud, sand, or standing water accelerates undercarriage wear and washes grease out of pivot points - flush and re-grease more often, and drain water from fuel and fluid tanks after wet-season work.
D6E common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 2Y-8670 | Filter As-Fuel | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D6E fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Coolant Temperature warning lamp (red) | Engine coolant temperature has moved into the red band on the gauge and the warning lamp is lit. | Low coolant level, clogged radiator core, slipping or failed fan drive, or a faulty temperature sending unit. | Idle the engine, check coolant level once safe to do so, inspect radiator core and fan drive, verify sender and gauge operation before returning to work. |
| Engine Oil Pressure warning lamp (red) | Engine oil pressure has dropped below the safe minimum shown on the gauge. | Low oil level, worn oil pump, plugged suction screen or filter, or a failed pressure sender. | Shut the engine down immediately, check oil level and condition, inspect for leaks and confirm sender operation before restart. |
| Torque Converter / Power Train Oil Temperature warning lamp | Torque converter outlet oil temperature has exceeded the normal operating range. | Low power train oil level, a restricted oil cooler, sustained converter stall or lugging, or a faulty temperature sender. | Reduce load and let temperature drop, check power train oil level and cooler for debris, verify sender reading against the gauge. |
| Power Train Filter Restriction indicator | The power train (torque converter/transmission) oil filter pressure switch has detected excessive restriction across the filter. | A loaded or clogged power train filter element, or degraded oil. | Replace the power train filter element, check oil condition, confirm the switch and lamp reset after service. |
| Charging System warning lamp (red) | Alternator output or battery system voltage is outside normal range. | Worn or slipping alternator drive belt, a failed alternator, or loose/corroded battery and charging connections. | Check belt tension and condition, inspect wiring and connections, test alternator output with a meter. |
| Action Lamp (amber, flashing) | General master-warning lamp; flashes to tell the operator to check the gauge cluster because a monitored parameter is out of normal range. | Any one of the monitored parameters reading abnormal - coolant temperature, engine oil pressure, power train oil temperature, or charging system. | Scan the analog gauges to identify which reading is abnormal, then troubleshoot that specific system. |
| Engine Air Filter Restriction indicator | Mechanical service indicator shows air filter element restriction has reached the change point (colored band or pin extends into view). | Dirty or clogged primary air filter element. | Inspect and clean or replace the air filter element, then reset the indicator button. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D6E attachments & work tools
Blades
Standard front blade is a straight (S) type or S-U combination, roughly 3.2 m (10.5 ft) wide with a rated capacity near 3.3 cu m (4.3 cu yd) and about 12 degrees of angling travel each way; a taller, more curved universal (U) blade is the high-capacity option for bulk dozing. This generation predates the 6-way/VPAT blade offered on later D6-series machines, so angle work on the D6E is done with a dedicated angle-blade arrangement or a Power-Angle-Tilt (PAT) straight blade rather than one blade doing both jobs.
Rippers
Rear ripper is a parallelogram-frame, single-cylinder design that accepts multiple shank positions (commonly up to three) for general ripping, or can be run with fewer shanks/a single heavy shank for harder rock and deeper penetration. A fully shanked multi-position ripper assembly for this dozer class runs roughly 1,500-1,700 kg (about 3,300-3,750 lb) complete with cylinder and hoses, with individual replacement shanks around 60-65 kg (132-145 lb) each; exact shank count and weight vary by configuration.
Winches
Dedicated PTO-driven towing winches sized to this dozer (built by period suppliers such as Hyster) mount at the rear trunnion in place of the ripper or drawbar, giving a single-drum line-pull unit for skidding, towing disabled equipment, or line work in logging. Rope diameter and drum capacity vary by winch package and application; consult the winch's own parts/service manual for exact line-pull and drum specs rather than the dozer's base spec sheet.
Drawbars/counterweights
A rear drawbar bolts to the same trunnion/PTO mounting used by the ripper or winch, for towing wagons, scrapers, or other trailed loads when no rear tool is fitted. Bolt-on rear counterweight slabs are available to add rear ballast and improve stability/traction when the machine runs a heavy front blade without a ripper or winch on the back; exact slab weights are configuration-dependent and not documented for this specific model, so confirm against the parts book for the unit's serial range.
Cab/ROPS guarding for forestry/waste configs
Base operator protection is either an open ROPS/FOPS canopy or a fully enclosed ROPS/FOPS cab. Forestry and waste/landfill arrangements add bolt-on brush screens or mesh sweeps over the cab glazing, radiator and grille guarding, belly/underframe guards, and fuel tank guards to protect against debris and punctures; a brush rack fitted above the blade top edge raises material-carrying capacity and keeps rolling brush from spilling back onto the machine in land-clearing work. These guarding packages are commonly added as field/dealer kits rather than a single fixed factory option.
Hydraulic arrangement notes
Factory hydraulics on this size class are limited to a blade-lift circuit and a blade-tilt/angle circuit, plus one auxiliary circuit normally routed to the rear ripper cylinder; running both a ripper and another hydraulically actuated rear tool at once typically needs an aftermarket auxiliary pump, valve, and reservoir package since the stock circuit count is limited. System pressure on machines of this era is a relatively low-pressure, high-flow design; exact flow and pressure figures vary by configuration/series and aren't reliably documented for this specific model.
All D6E assemblies by section
Every catalogued assembly group for the Caterpillar D6E. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
7n3884 Lines Gp-Air
| 7N***84 | Air Lines Group | 1 |
2p1484 Air Cleaner Gp
| 2P***84 | Air Cleaner Group | 1 |
7n7750 Cartridge Gp-Turbocharger*R
| 7N***50 | Cartridge Group-Turbocharger | 1 |
4n9586 Fastener Gp-Exhaust Manifold
| 4N***86 | Fastener Group-Exhaust Manifold; Exhaust Manifold Fastener Group | 1 |
7n4098 Lines Gp-Air
| 7N***98 | Lines Group-Air; Air Lines Group | 1 |
2y6493 Lines Gp-Turbocharger Oil
| 2Y***93 | Lines Group-Turbocharger Oil; Turbocharger Oil Lines Group | 1 |
6n0164 Manifold Gp-Exhaust
| 6N***64 | Manifold Group-Exhaust | 1 |
2y9795 Muffler Gp
| 2Y***95 | Muffler Group | 1 |
7n7748 Turbocharger Gp*R
| 7N***48 | Turbocharger Group | 1 |
8n2669 Turbocharger Gp
| 8N***69 | Turbocharger Group; Turbocharger Group | 1 |
Basic Engine
2y2566 Cover Gp-Cylinder Block
1n4406 Camshaft Gp-Single
2p6531 Cover Gp-Cylinder Head
2y6277 Cover Gp-Front Housing
| 2Y***77 | Cover Group-Front Housing; Front Housing Cover Group | 1 |
8n4745 Cover Gp-Valve Mechanism
2y4517 Crankshaft As*R
2y5206 Crankshaft Gp
7n6550 Cylinder Block As
1n3576 Cylinder Block Gp
7n8016 Cylinder Block Gp
7n8876 Cylinder Head Gp*R
2p7838 Damper Gp
2p8161 Drive Gp-Accessory
| 2P***61 | Drive Group-Accessory; Rear Gear Group-Accessory Drive | 1 |
2p7831 Drive Gp-Fan
7n9536 Fastener Gp-Cylinder Head
2y5717 Fastener Gp-Front Housing
| 2Y***17 | Fastener Group-Front Housing; Front Housing Fastener Group | 1 |
2p6206 Fastener Gp-Oil Pan
| 2P***06 | Fastener Group-Oil Pan; Oil Pan Fastener Group | 1 |
7s7874 Flywheel Gp
| 7S***74 | Flywheel Group; Flywheel Group | 1 |
2y8603 Gear Gp-Front Timing
6n2514 Housing Gp-Flywheel
| 6N***14 | Housing Group-Flywheel; Flywheel Housing Group | 1 |
2y8429 Housing Gp-Front
| 2Y***29 | Housing Group-Front | 1 |
7n7858 Lifting Gp-Engine
1w2766 Mounting Gp-Engine
| 1B***86 | Bolt-Bracket Assembly To Timing Gear | 8 |
| 1D***14 | Bolt--Front Support To Frame | 2 |
| 1D***17 | Nut-Plate And Angle Assembly To Hydraulic And Fuel Tanks; Nut Plate And Angle Assembly To Hydraulic And Fuel Tanks | 1 |
2p6152 Pan Gp-Oil
| 2P***52 | Pan Group-Oil; Oil Pan Group | 1 |
1w6588 Rod & Piston Gp
7n2887 Pulley Gp-Crankshaft
7n4102 Pulley Gp-Fan
| 7N***02 | Pulley Group-Fan Drive | 1 |
2p6226 Seal Gp-Crankshaft
6n2579 Support Gp-Engine
| 6N***79 | Support Group-Engine; Support Group Engine | 1 |
1w2457 Support Gp-Engine
| 1W***57 | Support Group-Engine; Engine Support Group | 1 |
7n9589 Trunnion Gp-Engine
7n8026 Valve Mechanism Gp
7c7013 Valve Mechanism Gp
Cab, Gauges And Accessories
2y8881 Gauge Gp
| 2Y***81 | Gauge Group | 1 |
8s2541 Indicator Gp-Air Filter Service
| 8S***41 | Indicator Group | 1 |
9p9392 Mirror Gp
| 9P***92 | Mirror Group; -Open Rops-Rops | 1 |
9g6076 Mounting Gp-Rops
| 9G***76 | Mounting Group-Rops | 1 |
9g6075 Mounting Gp-Rops
| 9G***75 | Mounting Group-Rops | 1 |
5y1463 Rops Ar
| 5Y***63 | Rops Ar | 1 |
| 9G***74 | Rops Group; Roll-Over Protective Structure Group | 1 |
| 9G***75 | Mounting Group-Rops | 1 |
9g6074 Rops Gp
| 9G***74 | Rops Group; Roll-Over Protective Structure Group | 1 |
2y9530 Seat & Support Gp-Part 3 Of 3
| 2Y***30 | Seat & Support Group | 1 |
2y9530 Seat & Support Gp-Part 2 Of 3
| 2Y***30 | Seat & Support Group | 1 |
2y9530 Seat & Support Gp-Part 1 Of 3
| 2Y***30 | Seat & Support Group | 1 |
2y4251 Seat As
| 2Y***51 | Seat As | 1 |
2y5614 Seat As
| 2Y***51 | Seat As | 1 |
| 2Y***97 | Seat As-Adjustable; Seat Assembly-Adjustable | 1 |
| 2Y***14 | Seat As | 1 |
2y5597 Seat As-Adjustable
| 2Y***97 | Seat As-Adjustable; Seat Assembly-Adjustable | 1 |
2y5468 Seat Belt Gp
| 2Y***68 | Seat Belt Group | 1 |
Chassis And Undercarriage
8p4168 Case & Frame Gp-Part 2 Of 2
| 8P***68 | Case & Frame Group | 1 |
8p4168 Case & Frame Gp-Part 1 Of 2
| 8P***68 | Case & Frame Group | 1 |
2y9426 Conversion Ar-Non Rops Mounting
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 4 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 4 |
| 0V***75 | Screw,Cap,Hexagon H Shaft Mtg,Accessory Drive | 4 |
5m7811 Drawbar Gp-Fixed
| 5M***11 | Drawbar Group-Fixed | 1 |
6y4316 Bar Gp-Equalizer
| 6Y***16 | Equalizer Bar Group | 1 |
9g6904 Fender Gp
| 9G***04 | Fender Group | 1 |
7g1775 Floor Plate Gp
| 7G***75 | Floorplate Group | 1 |
6y4315 Frame Gp-Track Roller
| 6Y***15 | Frame Group-Track Roller | 1 |
5y2535 Grill Gp-Hinged
| 5Y***35 | Grill Group-Hinged | 1 |
7s1976 Guard Gp-Crankcase
| 7S***76 | Guard Group-Crankcase | 1 |
6y4979 Guard Gp-Radiator
| 6Y***79 | Guard Group-Radiator | 1 |
6y0565 Guard Gp-Radiator Hinged
| 6Y***65 | Guard Group-Radiator | 1 |
7g8390 Guard Gp-Track Guiding
| 7G***90 | Guard Group-Track Guide | 1 |
6y4313 Guard Gp-Track Roller
| 6Y***13 | Guard Group-Track Roller | 1 |
9g7382 Hood & Dash Gp-Part 1 Of 2
| 9G***82 | Hood & Dash Group | 1 |
9g7382 Hood & Dash Gp-Part 2 Of 2
| 9G***82 | Hood & Dash Group | 1 |
7b4464 Hook Gp-Front Pull
| 7B***64 | Hook Group-Front Pull | 1 |
6y4314 Idler Gp-Front-Part 2 Of 2
| 6Y***14 | Idler Group-Front | 1 |
6y4314 Idler Gp-Front-Part 1 Of 2
| 6Y***14 | Idler Group-Front | 1 |
3p1120 Link As-Track
| 3P***20 | Link As-Track | 1 |
3t3206 Roller Gp-Track Carrier
| 3T***06 | Roller Group-Track Carrier | 1 |
9g8034 Roller Gp-Track Double Flange
| 9G***34 | Roller Group-Track-Double Flange; Track Roller Group-Double Flange | 1 |
9g8029 Track Roller Gp-Single Flange
| 9G***29 | Roller Group-Track-Single Flange; Track Roller Group-Single Flange | 1 |
5y2545 Seal Gp-Hood
| 5Y***45 | Seal Group-Hood | 1 |
9g6924 Support Gp-Fender
| 9G***24 | Support Group-Fender; Fender Support Group | 1 |
5y1396 Track Gp
| 1S***59 | Bolt 2.15 In. (54.61 mm) Long | 152 |
| 1S***60 | Nut-Track; (3/4-16-Thd) | 152 |
| 3P***20 | Link As-Track | 1 |
5y1560 Track Gp-2 Required
| 1S***59 | Bolt 2.15 In. (54.61 mm) Long | 152 |
| 1S***60 | Nut-Track; (3/4-16-Thd) | 152 |
| 3P***20 | Link As-Track | 1 |
5y1394 Track Gp-2 Required
| 1S***59 | Bolt 2.15 In. (54.61 mm) Long | 152 |
| 1S***60 | Nut-Track; (3/4-16-Thd) | 152 |
| 3P***20 | Link As-Track | 1 |
7g0423 Track Roller Gp-Double Flange
| 7G***23 | Track Roller Group-Double Flange | 1 |
7g0421 Track Roller Gp-Single Flange
| 7G***21 | Track Roller Group-Single Flange | 1 |
Cooling System
8n4457 Base Gp-Engine Oil Filter
| 8N***57 | Base Group-Oil Filter; Base Group-Engine Oil Filter | 1 |
8n4457 Base Gp-Oil Filter
| 8N***57 | Base Group-Oil Filter; Base Group-Engine Oil Filter | 1 |
4w5896 Cooler Gp-Filter Base & Engine Oil
| 4W***96 | Cooler Group-Filter Base & Eng Oil | 1 |
4w5895 Cooler Gp-Filter Base & Engine Oil
| 4W***95 | Cooler Group-Filter Base & Eng Oil | 1 |
2y8052 Cooler Gp-Transmission Oil
| 2Y***52 | Cooler Group-Transmission Oil | 1 |
1p7878 Fan & Guard Gp-Blower
| 1P***78 | Fan Group-Blower | 1 |
2p8173 Housing & Regulator Gp
| 2P***73 | Housing & Regulator Group; Regulator And Housing Group | 1 |
2y8079 Lines Gp-Water
| 2Y***79 | Lines Group-Water; Water Lines Group | 1 |
8n4112 Lines Gp-Water
| 8N***12 | Lines Group-Water; -Bypass Relief | 1 |
7n5909 Pump Gp-Water
| 7N***09 | Pump Group-Water; Water Pump Group | 1 |
2w8001 Pump Gp-Water*R
| 2W***01 | Pump Group-Water | 1 |
7w1647 Radiator Gp-Part 2 Of 2
| 7W***47 | Radiator Group | 1 |
7w1647 Radiator Gp-Part 1 Of 2
| 7W***47 | Radiator Group | 1 |
Engine Arrangement
9y6709 Engine Ar-Part 1 Of 2
9y6709 Engine Ar-Part 2 Of 2
Fuel System And Governor
2y9949 Cap Gp-Protection
| 2Y***49 | Cap Group-Protection | 1 |
2y9821 Control Gp-Governor-Part 1 Of 2
| 2Y***21 | Control Group-Governor | 1 |
2y9821 Control Gp-Governor-Part 2 Of 2
| 2Y***21 | Control Group-Governor | 1 |
2y9252 Cover As
| 2Y***52 | Cover As | 1 |
2y8670 Filter As-Fuel
| 2Y***70 | Filter As-Fuel | 1 |
2y5711 Filter Gp-Fuel
| 2Y***11 | Filter Group-Fuel; Fuel Filter Group | 1 |
5y1326 Filter Gp-Fuel
| 5Y***26 | Filter Group-Fuel | 1 |
5y1324 Filter Gp-Fuel
| 5Y***24 | Filter Group-Fuel | 1 |
2y9327 Flyweight Gp
| 2Y***27 | Flyweight Group | 1 |
2y9336 Governor Gp-Part 2 Of 2
| 2Y***36 | Governor Group | 1 |
2y9336 Governor Gp-Part 1 Of 2
| 2Y***36 | Governor Group | 1 |
2y9765 Lines Gp-Fuel
| 2Y***65 | Lines Group-Fuel | 1 |
5y1414 Lines Gp-Fuel
| 5Y***14 | Lines Group-Fuel | 1 |
2y8362 Lines Gp-Fuel Injection
| 2Y***62 | Lines Group-Fuel Injection | 1 |
2y9522 Lines Gp-Fuel Injection
| 2Y***22 | Lines Group-Fuel Injection | 1 |
2y8363 Lines Gp-Fuel Injection
| 2Y***63 | Lines Group-Fuel Injection | 1 |
2y8366 Lines Gp-Fuel Injection
| 2Y***66 | Lines Group-Fuel Injection | 1 |
2y9328 Link As
| 2Y***28 | Link As | 1 |
5y1309 Pump As-Fuel Transfer
| 5Y***09 | Pump As-Fuel Transfer | 1 |
5y0261 Pump Gp-Fuel Injection-Part 2 Of 2
| 5Y***61 | Pump Group-Fuel Injection | 1 |
5y0261 Pump Gp-Fuel Injection-Part 1 Of 2
| 5Y***61 | Pump Group-Fuel Injection | 1 |
5y1325 Pump Gp-Governor,Fuel Injection & Fuel Transfer Part 2 Of 3
| 5Y***25 | Pump Group-Gov, Fuel Inj & Tfr; Governor & Fuel Injection Pump Gp | 1 |
5y1325 Pump Gp-Governor,Fuel Injection & Fuel Transfer Part 3 Of 3
| 5Y***25 | Pump Group-Gov, Fuel Inj & Tfr; Governor & Fuel Injection Pump Gp | 1 |
5y1325 Pump Gp-Governor,Fuel Injection & Fuel Transfer Part 1 Of 3
| 5Y***25 | Pump Group-Gov, Fuel Inj & Tfr; Governor & Fuel Injection Pump Gp | 1 |
2y9250 Setting Gp
| 2Y***50 | Setting Group | 1 |
5y1350 Shim Gp-Rear Bearing
| 2Y***47 | Shim--1.2 mm (0.047 In. Thick) | 3 |
| 2Y***48 | Shim--1.5 mm (0.060 In. Thick) | 3 |
| 2Y***49 | Shim--1.8 mm (0.071 In. Thick) | 3 |
2y6158 Shim Gp
| 2Y***83 | Shim--10 mm (0.40 In. Thick) | 6 |
| 2Y***84 | Shim--11 mm (0.45 In. Thick) | 6 |
| 2Y***85 | Shim--13 mm (0.50 In. Thick) | 6 |
5y1345 Shim Gp-Front Bearing
| 2Y***31 | Shim--0.5 mm (0.002 In. Thick) | 1 |
| 2Y***32 | Shim--0.7 mm (0.028 In. Thick) | 1 |
| 2Y***33 | Shim--0.9 mm (0.035 In. Thick) | 1 |
5y1340 Shim Gp-Flange
| 2Y***61 | Shim--0.10 mm (0.004 In. Thick) | 3 |
| 2Y***62 | Shim--0.12 mm (0.005 In. Thick) | 3 |
| 2Y***63 | Shim--0.14 mm (0.006 In. Thick) | 3 |
5y1447 Tank Gp-Fuel
| 5Y***47 | Tank Group-Fuel | 1 |
9g6090 Tank Gp-Fuel
| 9G***90 | Tank Group-Fuel | 1 |
Hydraulic System
8p3077 Control Ar-Hydraulic
| 2Y***16 | Film--163 Hydraulic Control | 1 |
| 3G***68 | Pump Group-Gear; Gear Pump Group | 1 |
| 4J***87 | Valve Group-Auxiliary; Valve Group--External Auxiliary | 1 |
8p3076 Control Ar-Hydraulic
| 2Y***16 | Film--163 Hydraulic Control | 1 |
| 3G***68 | Pump Group-Gear; Gear Pump Group | 1 |
| 4J***87 | Valve Group-Auxiliary; Valve Group--External Auxiliary | 1 |
7t2817 Cylinder Ar-Tilt
| 2J***02 | Cylinder Group-Hydraulic; Hydraulic Tilt Cylinder Group (Type 6) | 1 |
| 7T***99 | Lines Group-Tilt Cylinder | 1 |
| 7T***17 | Cylinder Ar-Tilt | 1 |
7t9462 Cylinder Ar-Tilt
| 7T***62 | Cylinder Ar-Tilt | 1 |
| 7T***63 | Lines Group-Tilt Cylinder; Tilt Cylinder Lines Group | 1 |
| 9T***97 | Cylinder Group-Tilt; -Bulldozer | 1 |
2j1402 Cylinder Gp-Hydraulic
| 2J***02 | Cylinder Group-Hydraulic; Hydraulic Tilt Cylinder Group (Type 6) | 1 |
8j6868 Cylinder Gp-Lift-2 Required (Chg 06)
| 8J***68 | Cylinder Group-Lift | 1 |
8j1779 Cylinder Gp-Ripper Lift
| 8J***79 | Cylinder Group-Ripper Lift | 1 |
9t2797 Cylinder Gp-Tilt (Chgs 01-04)
| 9T***97 | Cylinder Group-Tilt; -Bulldozer | 1 |
5y1555 Lines Gp-Dozer
| 5Y***55 | Lines Group-Bulldozer | 1 |
9p8113 Lines Gp-Dozer
| 9P***13 | Lines Group-Bulldozer; Bulldozer Lines Group | 1 |
8p3363 Lines Gp-Dozer
| 8P***63 | Lines Group-Dozer; Bulldozer Lines Group | 1 |
8p4167 Lines Gp-Pump
| 8P***67 | Lines Group-Pump; Pump Lines Group | 1 |
8j7050 Lines Gp-Ripper
| 8J***50 | Lines Group-Ripper | 1 |
8p4398 Lines Gp-Ripper
| 8P***98 | Lines Group-Ripper; Ripper Lines Group | 1 |
9p0477 Lines Gp-Tilt Cylinder
| 9P***77 | Lines Group-Tilt Cylinder; Tilt Cylinders Lines Group | 1 |
7t2299 Lines Gp-Tilt Cylinder
| 7T***99 | Lines Group-Tilt Cylinder | 1 |
7t9463 Lines Gp-Tilt Cylinder
| 7T***63 | Lines Group-Tilt Cylinder; Tilt Cylinder Lines Group | 1 |
8p5039 Linkage Gp-Implement
| 8P***39 | Linkage Group-Implement; Implement Linkage Group-Bulldozer & Tilt | 1 |
8p5040 Linkage Gp-Implement
| 8P***40 | Linkage Group-Implement; Implement Linkage Group--Ripper | 1 |
8p5038 Linkage Gp-Implement-Bulldozer
| 8P***38 | Linkage Group-Implement; Implement Linkage Group--Bulldozer | 1 |
8p4157 Mounting Gp-Hydraulic Tank
| 8P***57 | Mounting Group-Hydraulic Tank; Hydraulic Tank And Mounting Group | 1 |
3g4768 Pump Gp-Gear
| 3G***68 | Pump Group-Gear; Gear Pump Group | 1 |
5y0868 Tank & Valve Gp-Hydraulic-Part 2 Of 2
| 5Y***68 | Tank & Valve Group; Tank & Valve Gp-Hydraulic | 1 |
5y0868 Tank & Valve Gp-Hydraulic-Part 1 Of 2
| 5Y***68 | Tank & Valve Group; Tank & Valve Gp-Hydraulic | 1 |
9t0175 Valve Gp
| 9T***75 | Valve Group | 1 |
4j0487 Valve Gp-Auxiliary
| 4J***87 | Valve Group-Auxiliary; Valve Group--External Auxiliary | 1 |
9t0176 Valve Gp-Control
| 9T***76 | Valve Group-Control | 1 |
4t7598 Valve Gp-Relief-Pilot Operated
| 4T***98 | Valve Group-Relief; Valve Gp-Relief-Pilot Operated | 1 |
3g8078 Valve Gp-Relief-Pilot Operated
| 06***39 | Seal-O-Ring | 1 |
| 3G***26 | Nut; (3/8-40-Thd) | 1 |
| 3G***54 | Cap | 1 |
4t4065 Valve Gp-Relief-Pilot Operated
| 4T***65 | Valve Group-Relief; Valve Gp-Relief-Pilot Operated | 1 |
Implements
9j8528 Blade Gp-Angling
| 9J***28 | Blade Group-Angling; Blade Group-Angling | 1 |
7t4586 Blade Gp-Straight
| 7T***86 | Blade Group-Straight | 1 |
9j9150 Brace Gp-Bulldozer
| 9J***50 | Brace Group-Bulldozer; Brace Group-Bulldozer | 1 |
5j9210 Bracket Gp-Cylinder
| 5J***10 | Bracket Group-Cylinder; Cylinder Bracket Group-Type 2 | 1 |
2y7001 Bulldozer Ar-Angling
| 2Y***01 | Bulldozer Ar-Angling; Bulldozer Arrangement--Angling | 1 |
| 9J***28 | Blade Group-Angling; Blade Group-Angling | 1 |
| 9J***50 | Brace Group-Bulldozer; Brace Group-Bulldozer | 1 |
5y1185 Bulldozer Ar-Straight
| 2Y***90 | Plate-Serial Number; (Bulldozer) | 1 |
| 3J***59 | Push Arm & Brace Group; Push Arm And Brace Group | 1 |
| 4B***58 | Screw (Identification Plate) Mounting | 2 |
9j9469 Frame Gp-C
| 9J***69 | C-Frame Group | 1 |
3k9880 Mounting Gp-Ripper
| 3K***80 | Mounting Group-Ripper; Ripper Mounting Group | 1 |
3j4359 Arm & Brace Gp-Push
| 3J***59 | Push Arm & Brace Group; Push Arm And Brace Group | 1 |
8j7592 Ripper Ar
| 2Y***85 | Transfer--Address | 1 |
| 2Y***90 | Plate-Serial Number; (Bulldozer) | 1 |
| 3K***80 | Mounting Group-Ripper; Ripper Mounting Group | 1 |
8j7521 Ripper Gp
| 8J***21 | Ripper Group; Ripper Group | 1 |
8j2189 Tooth Gp-Ripper
| 8J***89 | Tooth Group-Ripper; -Straight | 1 |
4j2848 Trunnion Gp
| 4J***48 | Trunnion Group; Bulldozer Trunnion Group | 1 |
Lubrication System
1p4244 Breather Gp-Crankcase
| 1P***44 | Breather Group | 1 |
4n5139 Filler Gp-Oil
| 4N***39 | Filler Group-Oil | 1 |
2y6278 Fumes Disposal Gp
| 2Y***78 | Fumes Disposal Group; Fumes Disposal Group | 1 |
2y8416 Gauge Gp-Oil Level (Dipstick)
| 2Y***16 | Gauge Group-Oil Level (Dipstick) | 1 |
2p6105 Lines Gp-Engine Oil
| 2P***05 | Lines Group-Engine Oil; Engine Oil Lines Group | 1 |
2y9492 Lines Gp-Injection Pump Lube Oil
| 2Y***92 | Lines Group-Lube Oil; Lines Gp-Injection Pump Lube Oil | 1 |
4w2448 Pump Gp-Engine Oil*R
| 4W***48 | Pump Group-Engine Oil; Pump Gp-Engine Oil Gear | 1 |
6n2642 Pump Gp-Engine Oil
| 0S***90 | Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As) | 1 |
| 1P***46 | Washer-Hard; (10.2x35x6-mm Thk) | 1 |
| 4W***48 | Pump Group-Engine Oil; Pump Gp-Engine Oil Gear | 1 |
2p1784 Pump Gp-Engine Oil
| 2P***84 | Pump Group-Engine Oil; Engine Oil Pump Group | 1 |
Power Train-Power Transmission Unit
5y1041 Control Gp-Transmission-Part 2 Of 2
| 5Y***41 | Control Group-Transmission | 1 |
5y1041 Control Gp-Transmission-Part 1 Of 2
| 5Y***41 | Control Group-Transmission | 1 |
8p4063 Control Gp-Transmission-Part 2 Of 2
| 8P***63 | Control Group-Transmission | 1 |
8p4063 Control Gp-Transmission-Part 1 Of 2
| 8P***63 | Control Group-Transmission | 1 |
8m6350 Control Gp-Hydraulic Transmission
| 8M***50 | Control Group-Transmission Hydraulic | 1 |
3s1741 Filter Gp
| 3S***41 | Filter Group | 1 |
2y6932 Final Drive Gp-Part 1 Of 3
| 2Y***32 | Final Drive Group | 1 |
2y6932 Final Drive Gp-Part 3 Of 3
| 2Y***32 | Final Drive Group | 1 |
2y6932 Final Drive Gp-Part 2 Of 3
| 2Y***32 | Final Drive Group | 1 |
9m2041 Gear Gp-Transfer
| 9M***41 | Gear Group-Transfer | 1 |
2y8506 Lines Gp-Power Train Oil-Part 1 Of 3
| 2Y***06 | Lines Group-Power Train Oil | 1 |
2y8506 Lines Gp-Power Train Oil-Part 2 Of 3
| 2Y***06 | Lines Group-Power Train Oil | 1 |
2y8506 Lines Gp-Power Train Oil-Part 3 Of 3
| 2Y***06 | Lines Group-Power Train Oil | 1 |
7g4244 Planetary Gp-Part 1 Of 3
| 7G***44 | Planetary Group | 1 |
7g4244 Planetary Gp-Part 3 Of 3
| 7G***44 | Planetary Group | 1 |
7g4244 Planetary Gp-Part 2 Of 3
| 7G***44 | Planetary Group | 1 |
3p6816 Pump Gp-Oil
| 3P***16 | Pump Group-Oil; -Power Train Oil | 1 |
5m7864 Pump Gp-Scavenge
| 5M***64 | Pump Group-Scavenge; -Torque Converter | 1 |
9m8669 Screen Gp-Magnetic
| 9M***69 | Screen Group-Magnetic; -Differential Lock | 1 |
8p8914 Sprocket Gp-Segmented
| 8P***14 | Sprocket Group-Segmented | 1 |
2y9505 Torque Converter Gp-Part 1 Of 2
| 2Y***05 | Torque Converter Group | 1 |
1t0930 Torque Converter Gp
| 1T***30 | Torque Converter Group | 1 |
2y9505 Torque Converter Gp-Part 2 Of 2
| 2Y***05 | Torque Converter Group | 1 |
7g4245 Transmission Ar
| 7G***45 | Transmission Ar | 1 |
Transmission Gasket Kits
| 6V***42 | Planetary, Gasket Kit | 0 |
| 6V***47 | Transfer Gear | 0 |
| 6V***37 | Transmission Parts And Case | 0 |
2y6467 Universal Joint Gp
| 2Y***67 | Universal Joint Group | 1 |
8p7791 Valve Gp-Pressure Control
| 8P***91 | Valve Group-Pressure Control; -Transmission Oil | 1 |
7g4491 Valve Gp-Relief
| 7G***91 | Valve Group-Relief; -Torque Converter Outlet Press | 1 |
9p1533 Valve Gp-Relief
| 9P***33 | Valve Group-Relief; -Torque Converter Inlet Press | 1 |
2p3675 Valve Gp-Pressure Relief
| 2P***75 | Valve Group-Relief; Valve Gp-Pressure Relief | 1 |
1p6591 Valve Gp-Selector
| 1P***91 | Valve Group-Selector; -Transmission Clutch | 1 |
Service Equipment And Supplies
8f9866 Grease Gun As
| 8F***66 | Grease Gun As | 1 |
Name Plates & Films-Part 2 Of 2
| 2H***57 | Tag-Antifreeze | 1 |
| 5P***58 | Sleeve; (Cable Splice) | 1 |
| 5P***00 | Key Total 2 Pieces Per Unit; (Literature Compartment) | 2 |
Name Plates & Films-Part 1 Of 2
| 2Y***68 | Plate-Serial Number-Engine | 1 |
| 2Y***85 | Transfer--Address | 1 |
| 2Y***40 | Plate-Engine Information-Portuguese | 1 |
2y2578 Tool Gp-Hand
| 2Y***78 | Tool Group-Hand | 1 |
Starting And Electrical System
4n3181 Starting Motor Gp-Electric-24 Volt*R
| 3T***05 | Starting Motor Group-Electric; Starting Motor Group (Robert Bosch) | 1 |
| 4N***81 | Starting Motor Group-Electric | 1 |
| 8C***51 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Delco-Remy | 1 |
8c3650 Starting Motor Gp-Electric-24 Volt
| 8C***50 | Starting Motor Group-Electric | 1 |
5y1993 Starting Motor Gp-Electric
| 1W***35 | Starting Motor Group-Electric; Starting Motor Gp-Electric-24 Volt | 1 |
| 5Y***93 | Starting Motor Group-Electric | 1 |
| 9W***78 | Start Group-Neutral | 1 |
2y1920 Starting Motor Gp-Electric
| 2Y***20 | Starting Motor Group-Electric | 1 |
8n2145 Starting Motor Gp-Electric
| 8N***45 | Starting Motor Group-Electric; Electric Starting Motor Group--24 Volt | 1 |
3t4586 Starting Motor Gp-Electric-24 Volt
| 3T***86 | Starting Motor Group-Electric | 1 |
| 8C***50 | Starting Motor Group-Electric | 1 |
| 8N***45 | Starting Motor Group-Electric; Electric Starting Motor Group--24 Volt | 1 |
9x4447 Starting Motor Gp-Electric-24 Volt
| 9X***47 | Starting Motor Group-Electric; Electric Starting Motor Group (Nippondenso) | 1 |
3t6305 Starting Motor Gp-Electric
| 3T***05 | Starting Motor Group-Electric; Starting Motor Group (Robert Bosch) | 1 |
2y1921 Starting Motor Gp-Electric
| 2Y***21 | Starting Motor Group-Electric | 1 |
1w5635 Starting Motor Gp-Electric
| 1W***35 | Starting Motor Group-Electric; Starting Motor Gp-Electric-24 Volt | 1 |
8c3651 Starting Motor Gp-Electric-24 Volt
| 8C***51 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Delco-Remy | 1 |
5y1826 Alternator Gp
| 5Y***26 | Alternator Group-Charging | 1 |
2y8950 Alternator Gp
| 2Y***50 | Alternator Group-Charging | 1 |
5y1700 Alternator Gp
| 5Y***00 | Alternator Group-Charging | 1 |
2y8310 Alternator Gp
| 2Y***10 | Alternator Group-Charging | 1 |
2y8880 Battery & Wiring Gp-Part 1 Of 2
| 2Y***80 | Battery & Wiring Group | 1 |
2y8880 Battery & Wiring Gp-Part 2 Of 2
| 2Y***80 | Battery & Wiring Group | 1 |
2y7663 Lamp Gp-Flood
| 2Y***63 | Lamp Group | 1 |
2y4477 Lamp Gp-Flood
| 2Y***77 | Lamp Group-Flood | 1 |
5y1440 Lighting Gp-4 Lamp
| 5Y***40 | Lighting Group | 1 |
5y1352 Lighting Gp
| 5Y***52 | Lighting Group | 1 |
8p6570 Lighting Gp
| 8P***70 | Lighting Group | 1 |
9w5378 Start Gp-Neutral
| 9W***78 | Start Group-Neutral | 1 |
5y1367 Start Gp-Neutral
| 5Y***67 | Start Group-Neutral | 1 |
2y8441 Switch As-Disconnect
| 2Y***41 | Switch As-Disconnect | 1 |
9w1077 Switch As-Start
| 9W***77 | Switch As-Start; -Heat-Remote | 1 |
Steering Clutches And Brakes
9m8068 Band & Lining As-Brake*R
| 9M***68 | Band & Lining As-Brake | 1 |
8p4935 Brake Gp-Steering-Part 1 Of 3
| 8P***35 | Brake Group-Steering | 1 |
8p4935 Brake Gp-Steering-Part 3 Of 3
| 8P***35 | Brake Group-Steering | 1 |
8p4935 Brake Gp-Steering-Part 2 Of 3
| 8P***35 | Brake Group-Steering | 1 |
2y6934 Clutch Gp-Steering
| 2Y***34 | Clutch Group-Steering | 1 |
8p4366 Control Gp-Steering Clutch-Part 2 Of 2
| 8P***66 | Control Group-Steering Clutch | 1 |
8p4366 Control Gp-Steering Clutch-Part 1 Of 2
| 8P***66 | Control Group-Steering Clutch | 1 |
8p1216 Mechanism Gp-Brake-Part 1 Of 2
| 8P***16 | Mechanism Group-Brake | 1 |
8p1216 Mechanism Gp-Brake-Part 2 Of 2
| 8P***16 | Mechanism Group-Brake | 1 |
3t8203 Valve Gp-Control
| 3T***03 | Valve Group-Control | 1 |
D6E serial number reference
On the D6E, the product identification (PIN) plate is a riveted metal tag on the main frame near the operator's station, commonly on the left side toward the rear, with the same number also stamped into the frame steel nearby as a backup if the plate is lost or painted over. The serial number is an 8-character code: the first 3 characters are the prefix identifying the model/configuration build (2MJ for the D6E), and the remaining 5 digits are the sequential unit number within that block - for example 2MJ01482 is unit 01482 of the 2MJ series. Compare the digit portion against the known running-change points (2MJ01158, 2MJ02654) to help pin down steering-clutch, grille, and control-lever changes for that specific unit.
| Prefix | Identifies | Notes |
|---|---|---|
| 2MJ | Track-Type Tractor, Powershift | Only documented PIN prefix for the base D6E track-type tractor, starting at 2MJ00001. Machine uses the Cat 3306 diesel; gross output is about 155 hp (116 kW) across the range. From 2MJ01158-up the machine gains oil-cooled steering clutches and brakes (some parts literature ties this point to the 3306 DI, direct-injection version of the engine, though the exact engine-change serial is not firmly pinned down - confirm with dealer). From roughly 2MJ02654-up, later production in this same prefix block picks up a squared radiator grille, left-side steering/brake control levers, and revised brakes; factory service literature lists this same serial point under both D6E and D6G nameplates - treat the top end of the 2MJ range as a D6E/D6G crossover and confirm the exact cutoff with a dealer. No separate LGP-specific prefix is documented; LGP appears to be a build option within this same 2MJ block rather than its own serial series - confirm with dealer if working from an LGP unit. No separate track-gauge (wide/narrow) prefix is documented either. |
Frequently asked questions
What engine does the Caterpillar D6E use?
The D6E is powered by a Caterpillar 3306 six-cylinder diesel rated at roughly 155 hp (115 kW) gross, a power increase over the 140 hp 3306 used in the earlier D6D.
What is the operating weight of a Caterpillar D6E?
Operating weight runs approximately 33,000 to 34,000 lb (14,970 to 15,420 kg) with a standard dozer blade, varying with configuration and attachments.
What replaced the Caterpillar D6E?
The Caterpillar D6H, introduced in 1986, replaced the D6E as the first D6 built with an elevated-sprocket undercarriage; the D6E's conventional-drive design continued to be sold in some markets alongside it into the early 1990s.
What D6E owners discuss
What engine powers the D6E, and what do owners and mechanics say about its quirks?
The D6E runs the Cat 3306 diesel, rated around 116 kW (155 hp) gross, paired with a mechanical sleeve-metering injection pump. Techs report the pump's fuel rack depends on the governor-housing shaft rotating freely; when that shaft starts binding, cold starts get progressively harder until the engine eventually won't fire at all. Worn injectors tend to show up as extra smoke and rough combustion rather than a sudden stall. Oil weeping at the valve cover and front timing-gear seal is common on higher-hour units and is usually cosmetic if caught early. On turbocharged examples, sustained heavy load shortens turbo life through oil contamination or worn bearings, so watch for blue smoke and bearing whine at idle.
Is there a transmission complaint that keeps coming up on this model?
Yes, a 'hot shift' problem. The powershift can feel fine cold, then start hunting, slipping, or dragging between gears after roughly 1.5 to 2 hours of steady work once transmission oil temperature climbs. One reported case saw transmission surface temperature run about 127 to 141°C (260 to 285°F), well above a cooler-running dozer doing similar work at 71 to 82°C (160 to 180°F). Start troubleshooting at the transmission oil cooler and filter suction screens, confirm pressure at the filter housing meets spec, and rule out incorrect-friction transmission fluid before condemning the clutch packs.
What hydraulic behavior do owners flag on the blade circuit?
Blade lift or tilt that gets progressively slower, rather than failing outright, usually points to a tired vane-type hydraulic pump, worn piston seals letting oil bypass inside the lift cylinders, a clogged hydraulic filter, or a main relief valve stuck partly open so the system never reaches full pressure. A quick-drop valve that has picked up debris can also stick and mimic a lift problem. Vane pumps are sensitive to oil viscosity and contamination, so sluggish response in cold weather with heavy or dirty oil is a normal complaint on a machine this age, not automatically a fault.
What undercarriage wear patterns come up for a machine this age?
The D6E carries a conventional, non-elevated-sprocket undercarriage, unlike the Hi-Drive design Caterpillar introduced on the next medium-dozer generation. Owners watch for sprocket teeth wearing down to sharp points as a sign the sprockets are near the end of their life, and treat oil seepage at the upper rollers as an early warning to check the lower rollers too. Track sag should be checked regularly and kept around 25 to 30 mm (about 1 to 1.2 in); too tight accelerates sprocket and bushing wear, too loose lets the chain slap and wears bushings from impact loading. The track adjuster is a grease-filled hydraulic cylinder at the recoil spring; add grease slowly and cycle the machine back and forth to let pressure equalize before rechecking sag.
What electrical or gauge issues come up in owner discussions?
This generation uses a basic gauge cluster and relay-based system rather than a modern electronic monitor, so 'sensor' complaints are usually simpler than they first appear. Erratic or pegged gauges most often trace back to a poor ground connection or a corroded battery terminal rather than a bad sending unit. On machines coming out of long storage, hard starting is commonly a glow plug relay or its wiring harness rather than the glow plugs themselves. Also check the battery disconnect switch near the operator's seat, since a loose or corroded connection there mimics a dead battery. Confirm battery voltage and clean every ground point before chasing the starter or relay.
What should a buyer check before purchasing a used D6E?
Run the machine until the transmission is fully up to operating temperature and recheck every gear; the known hot-shift issue on this model only shows up after sustained work, so a short cold test-drive won't reveal it. Verify transmission fluid level carefully, since machines that sat idle for months have turned up dangerously low without an obvious external leak. Check blade lift, tilt, and angle response at full operating temperature, not just at startup. Walk the undercarriage checking sprocket tooth shape, roller seal weeping, and correct track sag. On the engine, look for smoke on a cold start, listen for turbo bearing noise if the engine is turbocharged, and check for oil weeping at the valve cover and timing cover. Because the D6E is an uncommon model this far along, budget extra lead time for sourcing undercarriage and engine parts compared with a current-production dozer.
Owners mention loose-feeling steering levers or an unresponsive brake pedal. What's behind that?
On machines that sat idle for a while, a loose or spongy feel in the steering levers and brake pedal has been traced to low or contaminated transmission and steering-clutch oil rather than a cable or linkage problem; topping off and bleeding the circuit has restored proper feel in reported cases. Because the steering clutches and brakes are what let you control and stop a track machine under load or on a grade, do not return a D6E to service on lever or pedal feel alone if there is any doubt. Have your dealer pressure-test the steering clutch and brake circuits and inspect the linkage before resuming normal operation.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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