Caterpillarwheel-type loaderwheel loader
Caterpillar 992D
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 992D is a large, articulated wheel-type loader built for quarry, aggregate, and mining face-loading work, sitting in Cat's biggest wheel-loader class of its era. It was produced from 1992 to 1998 as the direct successor to the 992C, which had been in Cat's lineup since the late 1970s. It runs the Cat 3412 turbocharged and aftercooled V-12 diesel, rated around 548 kW (735 hp) gross and 515 kW (690 hp) net/flywheel at 2200 rpm. Operating weight runs close to 89,158 kg (196,560 lb) in standard trim, though published figures vary with bucket, counterweight, and tire spec. Cat offered the 992D in standard-lift and high-lift arrangements with different bucket profiles to suit rock, aggregate, and general quarry loading.
Across the 992 lineage, the D-series added roughly a 1.1 m3 bucket-capacity increase over the 992C along with frame and hydraulic refinements, while keeping the same 3412 engine family and planetary powershift driveline that quarry and mining crews already ran. Caterpillar replaced the 992D with the 992G, unveiled at MINExpo 1996, which brought a new lift-arm design with far greater torsional strength, a jump in payload and horsepower, and a size class matched to loading 100-ton-class haul trucks. In today's used and parts market the 992D remains a working machine in aggregate and mining fleets because its mechanically simpler, hydra-mechanically governed 3412 powertrain is cheaper to rebuild than the electronically controlled engines in the 992G and later 992K platforms. Parts commonality with 992C-era components and an active rebuild and used-parts trade keep these loaders economically repairable well past their original service life.
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 992D specifications
Engine
| Engine model | Cat 3412, V-12 diesel, turbocharged |
| Gross power | 548 kW (735 hp) @ 2200 rpm |
| Net power | 515 kW (690 hp) @ 2200 rpm |
| Displacement | 27.0 L (1,648 cu in) |
| Cylinders | 12, V-configuration |
| Emissions tier | Not published on available spec sheets. Production run (1995-1998) predates formal off-highway emissions tier regulation for this power class. |
Weights
| Operating weight | 89,158 kg (196,560 lb) |
| Static tipping load (full turn) | 51,495 kg (113,527 lb) |
| Shipping weight | Not published on available spec sheets. |
| Ground pressure | Not published for this wheel-type machine. |
Dimensions
| Overall length (bucket on ground) | 13.15 m (43 ft 2 in) |
| Overall height (top of cab) | 5.49 m (18 ft 0 in) |
| Overall operating width | 4.57 m (15 ft 0 in) |
| Wheelbase | 4.83 m (15 ft 10 in) |
| Hinge pin, maximum height | 6.26 m (20 ft 7 in) |
| Bucket width | 4.75 m (15 ft 7 in) |
| Tire size | 45/65-45 on 914 mm (36 in) rims |
| Ground clearance | Not consistently documented across standard-configuration spec sheets. |
Performance
| Travel speed, forward | 21 km/h (13.1 mph), 3 forward gears, electronic planetary powershift |
| Travel speed, reverse | 23 km/h (14.3 mph), 3 reverse gears |
| Breakout force | 653 kN (146,700 lbf) |
| Reach at maximum lift and dump | 2.31 m (7 ft 7 in) |
| Bucket dump clearance at maximum raise | 4.16 m (13 ft 8 in) |
| Bucket capacity, heaped | 10.7 m3 (14 yd3) |
| Bucket capacity, struck | 8.9 m3 (11.7 yd3) |
| Gradeability | Not published on available spec sheets. |
Service capacities (summary)
| Fuel tank | 1,136 L (300.1 US gal) |
| Hydraulic system | 541 L (143 US gal) |
| Engine oil | 71 L (18.8 US gal) |
| Cooling system | 136 L (36 US gal) |
| Transmission | 132 L (34.9 US gal) |
| Front axle/differential | 300 L (79.3 US gal) |
| Rear axle/differential | 300 L (79.3 US gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
992D fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 71 L (18.8 US gal) | Cat DEO or Cat DEO-ULS multigrade diesel engine oil (Cat 3412 V12 direct-injection diesel). SAE 15W-40 for -9.5 to 50 C (15 to 122 F) ambient; SAE 10W-30 for -18 to 40 C (0 to 104 F); full-synthetic grades down to SAE 0W-40 for cold-soaked starts to -40 C (-40 F). |
| Cooling system | 136 L (36.0 US gal) | Cat ELC (Extended Life Coolant) is Caterpillar's current preferred fill; Cat DEAC (Diesel Engine Antifreeze/Coolant) is the conventional heavy-duty alternative and the fluid this era of machine originally shipped with. Mix 1:1 with distilled or deionized water, minimum 30 percent glycol. A DEAC-based fill needs periodic supplemental coolant additive top-up; ELC needs an extender at roughly half its service life. |
| Fuel tank | 1136 L (300.1 US gal) | No. 2-D distillate diesel fuel (No. 1-D blend in cold climates) meeting Cat's off-highway distillate diesel fuel specification; minimum cetane number 40. |
| Powershift transmission (torque converter and planetary transmission, common sump) | 132 L (34.9 US gal) | Cat TDTO (Transmission/Drive Train Oil) meeting Cat TO-4 spec. SAE 30 for 0 to 35 C (32 to 95 F); SAE 50 for hot climates; SAE 0W-20, 0W-30, 5W-30, or 10W grades for cold-weather starts to -40 C (-40 F); Cat TDTO-TMS multi-season blend covers -20 to 43 C (-4 to 110 F) in one grade. |
| Hydraulic system (tank and circuit) | 541 L (143.0 US gal) | Cat HYDO Advanced 10 (SAE 10W) preferred for -20 to 40 C (-4 to 104 F) ambient. Cat HYDO, Cat TDTO, Cat DEO, or Cat MTO acceptable at other viscosity grades across the full -40 to 50 C (-40 to 122 F) range. |
| Front axle (differential and planetary final drives, combined housing) | 300 L (79.3 US gal) | Cat TDTO meeting Cat TO-4 spec, the fluid family Caterpillar specifies for large wheel loader drive axles in this weight class. SAE 30 for -20 to 20 C (-4 to 68 F); SAE 50 for -10 to 50 C (14 to 122 F); SAE 0W-20, 0W-30, 5W-30, or 10W for cold starts to -40 C (-40 F); Cat TDTO-TMS covers -25 to 22 C (-13 to 72 F) in one grade. |
| Rear axle (differential and planetary final drives, combined housing) | 300 L (79.3 US gal) | Same fluid family as the front axle: Cat TDTO meeting Cat TO-4 spec, graded SAE 0W-20 through SAE 50 (or Cat TDTO-TMS) by ambient temperature per Caterpillar's large wheel loader drive-axle viscosity chart. |
| Grease (chassis and pivot points) | Per maintenance interval, not a fill capacity | Cat Multipurpose Grease (NLGI 2) for low-to-medium-load chassis and pivot points; Cat Advanced 3Moly Grease for heavily loaded articulation and bucket-linkage pins; Cat Ultra 5Moly Grease for the most heavily loaded, high-cycle joints; Cat High Speed Ball Bearing Grease for fan-drive bearings. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 992D maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the 992D beyond the schedule
Predictive Maintenance & Fluid Analysis
Run scheduled oil sampling on the 3412 V-12, powershift transmission, front/rear axle housings, and hydraulic tank at every fluid change. Cylinder-liner wear and turbocharger bearing wear show up early in trend data. Track coolant conditioner concentration to protect the cast-iron block and wet liners from cavitation erosion. Monitor torque-converter outlet temperature and hydraulic system temperature under load; a rising trend usually points to a slipping clutch pack or a plugged cooler core before a hard failure occurs.
Corrective & Common Repairs
Expect torque-converter and transmission clutch-pack wear from repeated loading cycles in quarry and aggregate duty. Clutch slippage and shift-shock are the most common transmission complaints on high-hour 992D units. Articulation-hitch and steering-cylinder pins wear loose under constant frame articulation; check play at every service. Lift and tilt cylinder rod seals leak with age and need reseating. On the 3412, injector and turbocharger overhaul are the usual top-end repairs once oil consumption or smoke increases.
Overhaul & Rebuild Points
The 3412's cast-iron block and wet liners make it a strong inframe-overhaul candidate once hours climb; rebuilders reuse the block and replace liners, pistons, and bearings rather than repowering. Planetary final drives inside the axle housings are the next major rebuild point, along with the torque converter and transmission clutch packs. Confirm actual hour totals and prior rebuild history against service records before ordering overhaul parts, since a mid-life inframe overhaul resets the wear clock on these high-hour components.
Seasonal & Environment Servicing
Cold-climate starts need coolant checked for antifreeze concentration and starting aids inspected before winter; weak coolant protection or a failed block heater cracks the 3412's block fast. In hot, dusty quarry and mining sites, shorten air-filter and radiator/hydraulic-cooler cleaning intervals and drain the fuel-water separator more often. The articulated frame and 45/65-45 tires take heavy abrasive wear loading broken rock, so inspect tire cuts and rim damage more frequently in that duty cycle.
992D common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 9M-2342 | Filter Element As-Fuel | Fuel system service | Check fitment → |
| 1R-0749 | Filter-Fuel | Fuel system service | Check fitment → |
| 132-8876 | Filter Element As-Oil | Hydraulic service | Check fitment → |
| 1R-1808 | Filter As-Engine Oil | Lubrication service | Check fitment → |
| 7C-5011 | Support-Oil Filter | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
992D fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CID 0100-FMI 01 | Engine oil pressure signal reads below the normal operating range. | Low oil level, worn oil pump, plugged suction screen, or a failing pressure sender/switch. | Shut the engine down, check oil level and condition, then verify sender wiring and confirm pressure with a mechanical test gauge before restarting. |
| CID 0110-FMI 00 | Engine coolant temperature signal reads above the normal operating range (overheat). | Low coolant level, plugged radiator core or grille screen, slipping fan drive, or a stuck thermostat. | Reduce load and let the engine idle to cool, check coolant level and core cleanliness, and verify the fan drive is engaging. |
| CID 0537-FMI 01 | Coolant level switch reads below the normal fill point in the recovery bottle or radiator top tank. | Coolant loss from an external leak or blown hose, or a failed level switch/connector. | Inspect for leaks, top off with the correct coolant mixture to the proper level, and check the switch and wiring before returning the machine to service. |
| Torque converter oil temperature - HIGH (gauge redline/warning lamp) | Torque converter outlet oil temperature has climbed into the gauge's high warning band. | Sustained high-load, low-speed (stall) operation, low converter/hydraulic oil level, or a plugged oil cooler core. | Reduce throttle and load, shift to neutral or a lower gear to let temperature drop, then check oil level and cooler airflow. |
| Hydraulic oil temperature - HIGH (gauge redline/warning lamp) | Hydraulic system oil temperature gauge reads in the high zone. | Low hydraulic oil level, a dirty or restricted cooler core, a relief valve stuck open, or sustained high-demand work in hot ambient conditions. | Idle down to circulate and cool the oil, check reservoir level, and clean the hydraulic oil cooler core. |
| Transmission control fault ("Check Transmission" lamp) | The electronic clutch/transmission control module has logged a fault on a modulation solenoid, speed sensor, or related circuit and lights the transmission warning lamp. | Open or shorted solenoid or sensor wiring, a failed speed sensor, or an internal transmission control module fault. | Connect Cat Electronic Technician to the transmission control module at the machine's diagnostic connector to pull the stored CID/FMI, then follow the matching circuit test. |
| CID 0168-FMI 01 | Electrical system (charging) voltage reads below the normal operating range. | Weak or sulfated batteries, corroded terminals or ground straps, or a failing alternator. | Load-test the batteries, clean and tighten connections, and check alternator output at the battery under load. |
| Air filter restriction indicator (pop-up/vacuum gauge) | Mechanical vacuum indicator on the air cleaner housing shows intake restriction past the safe limit; this is not an ECM-stored code. | Clogged or damaged primary air filter element, or a stuck indicator piston. | Service or replace the primary filter element (and secondary if due), 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.
992D attachments & work tools
General-purpose (GP) buckets
Base GP bucket capacity for this class runs about 10.7 m3 (14 yd3) heaped, 8.9 m3 (11.7 yd3) struck, and roughly 4.75 m (15.6 ft) wide. Sized to match large rigid-frame haul-truck bodies for quarry and mine loading cycles.
Rock / heavy-duty buckets
Heavy-wall rock buckets with a spade-nose profile run slightly larger, roughly 11.5-12 m3 (15-15.7 yd3) heaped and about 4.85 m (15.9 ft) wide; capacity varies by configuration/series. Built with shell liners, bottom wear plates, side plates and a reinforced base edge for abrasive rock and quarry-face work.
Coal / light-material buckets
Higher-volume, lighter-wall buckets are offered for light-density, non-abrasive material such as coal, trading wear armor for extra capacity at the same rated lift. Width and volume vary by supplier configuration.
Ground engaging tools (GET)
Bucket cutting edges use bolt-on teeth and segmented wear plates, including half-arrow base-edge segments, so worn sections are replaced without pulling the full edge. Standard wear-part setup across the bucket range offered for this loader class.
Bucket mounting and linkage
Buckets pin directly to a Z-bar, parallel-lift-arm loader linkage carried over from the prior generation, and are tilted by a single hydraulic cylinder and lever, not an operator quick-coupler. Large-class buckets and other pin-on tools are swapped by service crews; automatic lubrication to the linkage pins supports heavy guarded duty.
Guarding for quarry/mine duty
Mechanical and linkage guard components are shared across this large-loader family, reflecting common protection needs for quarry and mining duty cycles (impact guarding over cylinders, linkage and cab area). Guard package should be matched to the duty cycle; hard-rock quarry-face work calls for heavier guarding than general aggregate handling.
Forks (log / pallet)
Log-and-lumber and pallet-type forks are offered across Cat's large wheel loader line for stockyard and material-handling duty. Model-specific capacity and carriage-fit data for this exact loader is thin in published specs; confirm fork class and mounting compatibility with a dealer before ordering.
Tires
Factory-fit rubber for quarry and mine duty is a rock-service (L5) tire in the 45/65-45 size class, matched to abrasive underfoot conditions typical of the application. Tire spec varies by operating environment and dealer offering.
All 992D assemblies by section
Every catalogued assembly group for the Caterpillar 992D. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
122-9520 Aftercooler Gp-Water
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 2 |
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 20 |
| 0S***90 | Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As) | 2 |
310-7956 Conversion Gp-Air Inlet & Exh
| 11***52 | Pipe As; (Air Transfer-Rh) | 1 |
| 11***57 | Pipe As; (Air Transfer-Lh) | 1 |
| 1P***90 | Gasket-Outlet; (Air Cleaner) | 2 |
6i-4659 Lines Gp-Air -Exhaust
| 1B***55 | Nut,Plain,Hexagon Turbocharger Mounting | 6 |
| 1N***13 | Support-Elbow | 2 |
| 2N***65 | Bolt-High Temperature; (3/8-16x1.75-In) | 6 |
122-4306 Lines Gp-Air
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 8 |
| 11***49 | Tube As-Outlet | 1 |
| 11***35 | Pipe-Turbocharger Outlet | 1 |
179-7026 Manifold Gp-Exhaust
| 10***01 | Seal As-Exhaust | 8 |
| 10***12 | Spacer; (11.13x19.05x53-mm Thk) | 24 |
| 11***47 | Manifold-Exhaust; (Center, Lh) | 1 |
218-0891 Turbocharger Gp
| 20***98 | Cover; (Compressor) | 1 |
| 21***90 | Cartridge Group-Turbocharger | 1 |
| 21***91 | Turbocharger Group | 1 |
219-0009 Turbocharger Gp
| 1S***95 | Gasket-Turbocharger To Manifold; Gasket Turbocharger To Manifold | 2 |
| 21***91 | Turbocharger Group | 2 |
| 21***09 | Turbocharger Group | 1 |
Basic Engine
108-1553 Camshaft Gp
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 2 |
| 10***74 | Gear-Camshaft Drive; (86-Teeth) | 1 |
| 10***53 | Camshaft Group | 1 |
128-5998 Cover Gp-Cylinder Block
| 0L***51 | Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold | 1 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 11 |
| 12***98 | Cover Group-Cylinder Block | 1 |
296-8138 Cover Gp-Flywheel Housing
| 0S***66 | Bolt-Pulley To Crankshaft Adapter | 3 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 1 |
| 1F***58 | Nut-Full; (1/2-13-Thd)(Air Lines) | 3 |
122-1636 Cover Gp-Front Housing
| 0L***52 | Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex) | 6 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 3 |
| 11***74 | Bracket-Compressor | 1 |
6n-0198 Cover Gp-Oil Pan -Engine Oil
| 0S***87 | Bolt-Bracket Assembly To Timing Gear | 2 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 2 |
| 10***39 | Plug-Drain; (Engine Oil Pan) | 1 |
139-4615 Cover Gp-Valve Mechanism
| 10***88 | Base-Valve Mechanism Cover | 6 |
| 11***84 | Cover-Valve Mechanism | 3 |
| 11***15 | Cover As-Valve | 3 |
213-3202 Crankshaft As
| 15***40 | Gear-Crankshaft; (99-Teeth) | 1 |
| 21***02 | Crankshaft As | 1 |
| 4N***84 | Dowel; (.75 Long) | 1 |
4n-0922 Crankshaft Gp
| 11***66 | Gear-Crankshaft; (99-Teeth) | 1 |
| 24***18 | Kit-Crankshaft Bearing | 0 |
| 25***52 | Plate-Thrust; (Crankshaft) | 2 |
117-9512 Cylinder Block As
| 11***20 | Seal-O-Ring; (Mid-Liner) | 12 |
| 11***12 | Cylinder Block As | 1 |
| 14***17 | Seal-O-Ring; (140.20mm Id) | 12 |
109-9010 Cylinder Block Gp
| 10***23 | Insert-Liner Seat; (5.21-mm Thk)(5.21mm Thk) | 0 |
| 10***24 | . Cover, Insert-Liner Seat; (5.16-mm Thk)(0.5-mm Us) | 0 |
| 10***25 | Insert-Liner Seat; (5.26-mm Thk)(0.5-mm Os), . Cover | 0 |
105-3800 Cylinder Head As
| 10***00 | Cylinder Head As | 1 |
| 1W***83 | Insert-Valve Seat; (Exhaust)(Standard) | 12 |
| 3B***23 | Core Plug--Flywheel Housing Pinion Shaft Hole | 12 |
192-1322 Cylinder Head As
| 10***94 | Dowel | 2 |
| 14***46 | Cylinder Head As | 1 |
| 17***88 | Guide-Valve; (Standard) | 24 |
143-0047 Cylinder Head As
| 14***46 | Cylinder Head As | 1 |
| 14***47 | Cylinder Head As | 1 |
| 17***88 | Guide-Valve; (Standard) | 24 |
143-0046 Cylinder Head As
| 14***46 | Cylinder Head As | 1 |
| 1W***83 | Insert-Valve Seat; (Exhaust)(Standard) | 12 |
| 3B***23 | Core Plug--Flywheel Housing Pinion Shaft Hole | 12 |
108-1552 Cylinder Head Gp
| 03***27 | Seal-O-Ring; (19.18mm Id) | 2 |
| 06***61 | Seal-O-Ring (Id=40.87mm) | 12 |
| 10***08 | Kit; (Connecting Plug) (3 Pin) (Includes Plug As And Wedge) | 1 |
108-1887 Cylinder Head Gp
| 10***94 | Dowel | 2 |
| 10***00 | Cylinder Head As | 1 |
| 10***87 | Cylinder Head Group | 1 |
6n-2229 Damper Gp
| 0S***85 | Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine | 12 |
| 16***30 | Damper As | 1 |
| 2D***74 | Bolt; (5/8-18x6.75-In) | 8 |
6n-0990 Flywheel Gp
| 1N***25 | Bolt-12 Point Head; (5/8-18x6.75-In) | 12 |
| 3G***56 | Washer-Special; (5.0mm Thk) | 12 |
| 4N***14 | Gear; (113-Teeth)(Flywheel Starter) | 1 |
126-7282 Gear Gp-Front -Timing
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 1 |
| 10***13 | Plate-Retaining | 1 |
| 10***16 | Gear; (85-Teeth)(Oil Pump) | 1 |
6n-0195 Gear Gp-Rear
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 2 |
| 0S***93 | Bolt (1 1/4" Long) | 2 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 5 |
4n-7733 Housing Gp-Flywheel
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 1 |
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 1 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 1 |
126-7280 Housing Gp-Front
| 0L***52 | Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex) | 2 |
| 0T***73 | Bolt (3/8) (63.5mm Long) (On Cab Of Cover Assem.) | 3 |
| 12***80 | Housing Group-Front | 1 |
126-2267 Lifting Gp-Engine
| 0S***87 | Bolt-Bracket Assembly To Timing Gear | 4 |
| 11***75 | Bracket-Lifting; (Right) | 1 |
| 11***15 | Bracket-Lifting; (Left) | 1 |
122-1177 Lifting Gp-Engine
| 0S***85 | Bolt; 12.7 mm (1/2") Diameter X 38.1 mm (1 1/2") Length Generator To Engine | 2 |
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 1 |
| 10***40 | Sensor Group-Temperature; -Output Transfer Gear Oil | 1 |
122-1789 Pan Gp-Oil -Engine Oil
| 12***89 | Pan Group-Oil; -Engine Oil | 1 |
| 2P***03 | Bolt-Washer Head; (3/8-16x1.25-In) | 40 |
| 4N***51 | Gasket; (Engine Oil Pan) | 1 |
192-8808 Piston & Rod Gp
| 13***61 | Ring-Piston; (Top)(Top) | 1 |
| 15***56 | Bolt-Special; (Oil Jet) | 1 |
| 16***78 | Rod As-Connecting | 1 |
209-6748 Plug Gp-Cylinder Block
| 20***48 | Plug Group-Cylinder Block | 1 |
| 6V***89 | Seal-O-Ring (Id=19.18mm) | 5 |
| 7W***34 | Plug-Pipe (3/8-18 Nptf Thd) | 4 |
122-9522 Plug Gp-Cylinder Head
| 12***22 | Plug Group-Cylinder Head | 1 |
| 4N***32 | Plug-Cup | 2 |
| 5P***63 | Plug-Cup | 2 |
107-1954 Rocker Arm Gp
| 10***54 | Rocker Arm Group | 1 |
| 10***03 | Screw; (3/8-24x1.67-In)(Intake) | 2 |
| 12***63 | Bracket-Shaft | 1 |
319-7401 Seal Gp-Crankshaft -Front
| 14***67 | Seal Group-Crankshaft; (Front) | 1 |
| 31***01 | Seal Group-Crankshaft; -Front | 1 |
319-0785 Seal Gp-Crankshaft -Rear
| 14***68 | Seal-Crankshaft; (Rear)(Flywheel Housing) | 1 |
| 31***85 | Seal Group-Crankshaft; -Rear | 1 |
7e-6385 Support Gp-Engine
| 0S***66 | Bolt-Pulley To Crankshaft Adapter | 4 |
| 4D***04 | Washer,Flat Cover Mtg,Accessory Drive | 4 |
| 4N***84 | Support-Front Engine | 1 |
4n-4303 Trunnion Gp-Engine
| 0S***73 | Bolt (102mm Long); (1/2-13x4-In) | 6 |
| 34***37 | Mount As; (Resilient) | 1 |
| 4N***03 | Trunnion Group-Engine; Engine Trunnion Group | 1 |
108-1874 Valve Mechanism Gp
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 12 |
| 10***89 | Bridge-Valve | 24 |
| 10***88 | Valve Lifter Assem | 24 |
Cooling System
310-7953 Cooling Ar
| 2M***95 | Gasket-Tube As To Regulator Housing | 2 |
| 31***53 | Cooling Ar | 1 |
| 4N***46 | Gasket | 1 |
4w-0419 Core Gp-Oil Cooler
| 4W***19 | Core Group-Oil Cooler; -Transmission | 1 |
| 5M***14 | Pipe Plug Cylinder Block Oil Pressure | 2 |
122-4978 Lines Gp-Turbocharger Water -Turbocharger Supply
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 1 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 13 |
| 10***58 | Bracket | 1 |
110-3018 Lines Gp-Water -Aftercooler
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 3 |
| 0S***90 | Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As) | 3 |
| 0S***19 | Bolt,Machine Gear Retaining Part Of Kit P/N 1w***46 | 1 |
134-6257 Lines Gp-Water
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 1 |
| 0S***87 | Bolt-Bracket Assembly To Timing Gear | 5 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 6 |
4n-5837 Pump Gp-Water
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 1 |
| 10***49 | Adapter-Inlet | 1 |
| 10***96 | Pump Group-Water | 1 |
137-1339 Pump Gp-Water
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 1 |
| 10***30 | Bearing As-Roller | 1 |
| 11***21 | Plug-Felt; (Water Pump Housing) | 1 |
105-0196 Pump Gp-Water
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 1 |
| 10***96 | Pump Group-Water | 1 |
| 10***85 | Retainer | 1 |
134-1487 Pump Gp-Water
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 1 |
| 10***85 | Retainer | 1 |
| 10***90 | Housing As-Pump | 1 |
Electrical And Starting System
223-1548 Control & Mtg Gp-Engine Elek
| 11***69 | Spacer-Special; (8.2x25x89.7-mm Thk) | 4 |
| 15***71 | Control Group-Engine Electronic | 1 |
| 22***48 | Control & Mtg Group-Engine Elek | 1 |
156-7172 Control Gp-Engine Electronic
| 12***74 | Screw-Pan Head; (8-32x9.52-mm) | 1 |
| 13***26 | Washer; (4.52x8.28x0.76-mm Thk) | 1 |
| 15***72 | Control Group-Engine Electronic | 1 |
156-7171 Control Gp-Engine Electronic
| 15***71 | Control Group-Engine Electronic | 1 |
| 15***72 | Control Group-Engine Electronic | 1 |
310-7954 Conversion Gp-Electrical
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 15***20 | Tool-Wire Removal | 2 |
| 16***26 | Switch As-Magnetic | 1 |
204-7949 Sensor Gp-Position
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 3 |
| 20***49 | Sensor Group-Position; -Throttle | 1 |
266-1466 Sensor Gp-Position
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 12***67 | Pin-Connector; (14-Ga To 16-Ga)(14-Ga Wire) | 3 |
| 26***66 | Sensor Group-Position; -Throttle | 1 |
103-6093 Sensor Gp-Pressure
| 10***93 | Sensor Group-Pressure; -Turbocharger Inlet-Atmospheric, Crankcase | 1 |
| 15***89 | Tube; (3cm) | 0 |
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
3e-8652 Sensor Gp-Pressure
| 10***08 | Kit; (Connecting Plug) (3 Pin) (Includes Plug As And Wedge) | 1 |
| 10***13 | Seal; (3 Pin Plug) | 1 |
| 3E***52 | Sensor Group-Pressure | 1 |
194-6722 Sensor Gp-Pressure
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 18***40 | Socket-Connector; (14-Ga To 18-Ga)(14-Ga To 18-Ga) | 3 |
| 19***22 | Sensor Group-Pressure; -Atmospheric Air | 1 |
194-6724 Sensor Gp-Pressure
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 19***26 | Harness As-Sensor; (16-18 Ga Wire)(Engine Oil Temperature) | 3 |
| 19***24 | Sensor Group-Pressure; -Air Inlet Manifold | 1 |
6v-2485 Sensor Gp-Pressure
| 10***08 | Kit; (Connecting Plug) (3 Pin) (Includes Plug As And Wedge) | 1 |
| 10***13 | Seal; (3 Pin Plug) | 1 |
| 3E***68 | Wedge-Plug Lock; (3-Pin) | 1 |
103-6092 Sensor Gp-Pressure
| 10***08 | Kit; (Connecting Plug) (3 Pin) (Includes Plug As And Wedge) | 1 |
| 10***13 | Seal; (3 Pin Plug) | 1 |
| 10***92 | Sensor Group-Pressure; -Filtered Oil, Unfiltered Oil | 1 |
161-9926 Sensor Gp-Pressure
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 16***26 | Sensor Group-Pressure; -Atmospheric Air, Turbo Inlet | 1 |
| 18***40 | Socket-Connector; (14-Ga To 18-Ga)(14-Ga To 18-Ga) | 3 |
194-6725 Sensor Gp-Pressure
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 18***40 | Socket-Connector; (14-Ga To 18-Ga)(14-Ga To 18-Ga) | 3 |
| 19***25 | Sensor Group-Pressure; -Engine Oil | 1 |
161-9925 Sensor Gp-Pressure
| 10***13 | Seal; (3 Pin Plug) | 1 |
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 16***25 | Sensor Group-Pressure; -Turbocharger Inlet | 1 |
161-9931 Sensor Gp-Pressure
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 16***31 | Sensor Group-Pressure; -Atmospheric | 1 |
| 18***36 | Socket-Connector; (16-Ga To 18-Ga) | 3 |
167-1709 Sensor Gp-Pressure
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
| 16***09 | Sensor Group-Pressure; -Injection Actuation Oil | 1 |
| 9X***13 | Sleeve (Order By cm)(Use As Required) | 0 |
129-6628 Sensor Gp-Speed
| 10***13 | Seal; (3 Pin Plug) | 1 |
| 12***28 | Sensor Group-Speed; -Engine Speed/Timing | 1 |
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 1 |
265-9033 Sensor Gp-Speed
| 15***60 | Kit-Connecting Plug; (3-Pin)(Engine Sensor Wiring Harness) | 2 |
| 19***26 | Harness As-Sensor; (16-18 Ga Wire)(Engine Oil Temperature) | 3 |
| 19***27 | Harness As-Sensor; (14-Ga Wire)(Engine Oil Temperature) | 3 |
102-2240 Sensor Gp-Temperature
| 10***40 | Sensor Group-Temperature; -Output Transfer Gear Oil | 1 |
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 3 |
106-0735 Sensor Gp-Temperature
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***35 | Sensor Group-Temperature; -Engine Oil | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 3 |
100-4417 Switch Gp-Flow
| 10***17 | Switch Group-Flow; -Engine Coolant | 1 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 0 |
| 17***08 | Switch Group-Flow; -Engine Coolant | 1 |
118-9692 Wiring Gp-Engine
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 1 |
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 1 |
| 0S***20 | Bolt--Customer Grounding Bolt | 1 |
109-0401 Wiring Gp-Unit Injector
| 03***34 | Seal-O-Ring | 1 |
| 10***61 | Clip | 1 |
| 10***01 | Wiring Group-Unit Injector | 1 |
Engine Arrangement
297-1200 Conversion Ar-Engine
| 29***51 | Engine Ar | 1 |
| 29***00 | Conversion Ar-Engine | 1 |
| 31***53 | Cooling Ar | 1 |
293-8251 Engine Ar
| 10***17 | Switch Group-Flow; -Engine Coolant | 1 |
| 10***52 | Cylinder Head Group | 1 |
| 10***53 | Camshaft Group | 1 |
310-7958 Installation Gp-Engine
| 10***72 | Seal-O-Ring; (40.64-mm Id) | 3 |
| 10***73 | Seal-O-Ring; (43.82mm Id) | 1 |
| 10***76 | Seal-O-Ring; (50.17mm Id) | 1 |
Fuel System
125-3431 Drive Gp-Unit Inj Hyd Pump
| 11***35 | Pin | 1 |
| 12***31 | Drive Group-Unit Inj Hydraulic Pump | 1 |
| 16***26 | Sensor Group-Pressure; -Atmospheric Air, Turbo Inlet | 1 |
162-0149 Drive Gp-Unit Inj Hyd Pump
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 2 |
| 0S***18 | Bolt; (5/16-18x1-In)(Hydraulic Pump) | 2 |
| 10***27 | Gasket | 1 |
125-3430 Drive Gp-Unit Inj Hyd Pump
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 2 |
| 0S***18 | Bolt; (5/16-18x1-In)(Hydraulic Pump) | 2 |
| 10***27 | Gasket | 1 |
180-6644 Drive Gp-Unit Inj Hyd Pump
| 03***01 | Bolt; --To Reverse Shaft Bearing Retainer | 2 |
| 0S***18 | Bolt; (5/16-18x1-In)(Hydraulic Pump) | 2 |
| 12***40 | Plate | 1 |
232-1168 Injector Gp-Fuel
| 11***98 | Adapter-Injection | 1 |
| 11***22 | Seal-Rectangular | 1 |
| 13***69 | Bolt-Socket Head | 2 |
232-1183 Injector Gp-Fuel
| 11***98 | Adapter-Injection | 1 |
| 11***22 | Seal-Rectangular | 1 |
| 13***69 | Bolt-Socket Head | 2 |
198-7912 Injector Gp-Fuel
| 11***98 | Adapter-Injection | 1 |
| 11***22 | Seal-Rectangular | 1 |
| 13***69 | Bolt-Socket Head | 2 |
138-6256 Kit-Seal -Unit Injector Hydraulic Pump
| 03***53 | Seal-O-Ring; (08.92mm Id) | 3 |
| 03***27 | Seal-O-Ring; (19.18mm Id) | 2 |
| 03***39 | Seal-O-Ring (Id=9.25mm) | 1 |
114-5212 Lines Gp-Fuel Filter
| 03***33 | Seal-O-Ring; (12.42mm Id) | 4 |
| 09***87 | Tee | 1 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 1 |
109-0399 Lines Gp-Injector Hyd Pump
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 3 |
| 10***02 | Tube As | 1 |
| 10***99 | Lines Group-Injector Hydraulic Pump | 1 |
126-7292 Pump & Mtg Gp-Unit Inj Hyd
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 1 |
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
206-2630 Pump Gp-Fuel Injection
| 10***26 | Clamp-Injector | 1 |
| 11***21 | Seal-Rectangular | 2 |
| 11***08 | Elbow-Injector | 1 |
133-1708 Pump Gp-Unit Injector Hyd
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
| 11***63 | Pump Group-Fuel Transfer | 1 |
225-0567 Pump Gp-Unit Injector Hyd
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
| 13***52 | Seal-O-Ring | 1 |
| 13***09 | Fitting | 2 |
201-4201 Pump Gp-Unit Injector Hyd
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
| 11***20 | Coupling | 1 |
| 14***50 | Pump Group-Fuel Transfer | 1 |
235-2026 Pump Gp-Unit Injector Hyd
| 03***39 | Seal-O-Ring (Id=9.25mm) | 2 |
| 03***42 | Seal-O-Ring; (11.89mm Id) | 3 |
| 13***05 | Gasket-Housing | 1 |
201-4202 Pump Gp-Unit Injector Hyd
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
| 13***52 | Seal-O-Ring | 1 |
| 13***09 | Fitting | 2 |
134-1598 Pump Gp-Unit Injector Hyd
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
| 11***63 | Pump Group-Fuel Transfer | 1 |
125-3225 Pump Gp-Unit Injector Hyd
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
| 11***63 | Pump Group-Fuel Transfer | 1 |
225-0568 Pump Gp-Unit Injector Hyd
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
| 11***20 | Coupling | 1 |
| 14***50 | Pump Group-Fuel Transfer | 1 |
235-2024 Pump Gp-Unit Injector Hyd
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
| 11***20 | Coupling | 1 |
| 14***50 | Pump Group-Fuel Transfer | 1 |
144-0835 Pump Gp-Unit Injector Hyd
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
| 11***20 | Coupling | 1 |
134-9405 Pump Gp-Unit Injector Hyd
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
| 11***63 | Pump Group-Fuel Transfer | 1 |
169-1034 Pump Gp-Unit Injector Hyd
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 4 |
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
| 11***20 | Coupling | 1 |
282-1915 Valve Gp-Check
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 28***15 | Valve Group-Check; -Fuel | 1 |
| 6V***89 | Seal-O-Ring (Id=19.18mm) | 1 |
102-7535 Valve Gp-Check
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 10***35 | Valve Group-Check; -Fuel Return Port | 1 |
| 6V***89 | Seal-O-Ring (Id=19.18mm) | 1 |
161-2309 Valve Gp-Fuel
| 03***43 | Seal-O-Ring | 1 |
| 10***06 | Seal-O-Ring (10.52mm Id) | 1 |
| 10***85 | Seal-O-Ring (6.07mm Id) | 2 |
190-0016 Valve Gp-Fuel
| 03***53 | Seal-O-Ring; (08.92mm Id) | 3 |
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
| 19***16 | Valve Group-Fuel | 1 |
165-1536 Valve Gp-Pressure Control
| 03***27 | Seal-O-Ring; (19.18mm Id) | 2 |
| 03***28 | Seal-O-Ring | 1 |
| 10***03 | Seal-O-Ring; (7.65mm Id) | 1 |
107-0677 Valve Gp-Solenoid
| 03***28 | Seal-O-Ring | 1 |
| 03***39 | Seal-O-Ring (Id=9.25mm) | 1 |
| 10***77 | Valve Group-Solenoid; -Pressure Control | 1 |
Hydraulic System
310-7955 Conversion Gp-Hydraulic System
| 1H***28 | Seal (3.73 In. Inside Diameter) | 1 |
| 31***55 | Conversion Group-Hydraulic System | 1 |
| 5F***06 | Packing,Preformed Pump Mtg Part Of Kit P/N 5r***25 | 1 |
Lubrication System
119-8583 Fastener Gp-Oil Pump Mounting -Engine
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 1 |
| 0S***19 | Bolt,Machine Gear Retaining Part Of Kit P/N 1w***46 | 2 |
| 11***83 | Fastener Group-Oil Pump Mounting; -Engine | 1 |
4n-7842 Filler Gp-Engine Oil
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 2 |
| 11***53 | Cap As-Filler; (Engine Oil) | 0 |
| 1A***29 | Bolt (1-1/8") Tube Assembly To Transfer Drive Case | 3 |
4n-2357 Filter Gp-Engine Oil
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 4 |
| 1R***08 | Filter As-Engine Oil; (Advanced Efficiency)(High Efficiency) | 2 |
| 2P***03 | Base As-Oil Filter; (Engine) | 2 |
4n-7839 Gauge Gp-Oil Level (Dipstick) -Engine
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 1 |
| 11***68 | Seal-O-Ring; (15.54mm Id) | 1 |
| 12***77 | Gauge As-Oil Level (Dipstick); (Engine) | 1 |
122-1790 Lines Gp-Engine Oil
| 0L***51 | Bolt Starting Engine Fuel Tank Bracket To Diesel Intake Manifold | 1 |
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 2 |
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 2 |
1n-3348 Lines Gp-Engine Oil Filter
| 03***94 | Connector-Flared | 1 |
| 03***68 | Elbow (For Use With Shallow Pan) | 1 |
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 3 |
122-6789 Lines Gp-Turbocharger Oil
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 4 |
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 4 |
| 11***78 | Tube As-Drain | 1 |
116-1980 Pump Gp-Engine Oil
| 10***82 | Shaft As-Pump Drive | 1 |
| 10***73 | Shaft As-Idler | 1 |
| 11***79 | Body As-Oil Pump | 1 |
Operator Station
113-4799 Pedal Gp-Governor
| 11***99 | Pedal Group-Governor | 1 |
| 12***31 | Cover | 1 |
| 14***61 | Kit-Roller; (Foot Brake Control)(Governor Pedal) | 1 |
Power Train
310-7957 Conversion Gp-Power Train
| 13***76 | Filter Element As-Oil; (Ultra High Efficiency)(Ultra High Efficiency) | 1 |
| 2K***57 | Seal-O-Ring (148.82mm Id) | 1 |
| 31***57 | Conversion Group-Power Train | 1 |
Service Equipment And Supplies
6l-4502 Chart-Plate & Film
| 11***52 | Plate & Film Group; -Engine Information | 1 |
| 17***75 | Film-Information; (Engine Wiring Connection) | 2 |
| 3N***90 | Plate Serial Number; On R.H. Rear Bank Of Cylinder Block As Viewed From Rear Of Engine | 1 |
166-5985 Kit-Compensator
| 16***85 | Kit-Compensator | 1 |
122-9798 Plate & Film Gp
| 12***98 | Plate & Film Group | 1 |
| 3N***90 | Plate Serial Number; On R.H. Rear Bank Of Cylinder Block As Viewed From Rear Of Engine | 1 |
992D serial number reference
On the 992D the PIN plate is riveted to the left side of the front frame, forward of the operator's station near the articulation area. Read the first three characters as the serial prefix (identifies model and production run), followed by a five-digit sequence number unique to that machine.
| Prefix | Identifies | Notes |
|---|---|---|
| 7MJ | 992D wheel-type loader, standard production series | Only documented serial prefix for the 992D. Machines start at 7MJ00001-up. Fitted with the Cat 3412 diesel engine. Production spans roughly the early-to-mid 1990s through 1998, ahead of the 992G replacement; exact start year varies by source. |
Frequently asked questions
What engine does the Caterpillar 992D use?
The Caterpillar 992D runs the Cat 3412 turbocharged and aftercooled V-12 diesel, rated around 548 kW (735 hp) gross and 515 kW (690 hp) net at 2200 rpm.
What is the operating weight of the Caterpillar 992D?
Standard-configuration operating weight runs close to 89,158 kg (196,560 lb). Actual in-service weight varies with bucket profile, counterweight, tire choice, and lift-arm arrangement (standard vs. high-lift), so treat published figures as a baseline rather than an exact number for a specific unit.
What replaced the Caterpillar 992D?
The Cat 992G replaced the 992D, unveiled at MINExpo 1996. It introduced a new lift-arm design with far greater torsional strength than the 992D's arm, higher payload and horsepower, and a size class built around loading 100-ton-class haul trucks.
What 992D owners discuss
How does the 992D's Cat 3412 V12 and powershift driveline hold up under quarry and mine duty, per owners and mechanics?
Owners and mechanics describe the 3412/torque-converter/powershift driveline as one of the toughest pairings Cat put in this size class. Documented mine examples show 992Ds reaching well over 100,000 hours before a full engine and torque-converter rebuild, run on strict OEM service intervals with genuine parts throughout. The powershift clutch packs and torque converter are sensitive to transmission oil condition. Regular oil sampling (S.O.S) catches clutch-pack wear early - metal in the sample, slipping under load, delayed shifts - well before it turns into a failure. Skipped sampling intervals are the most common reason these transmissions get expensive.
What changed in the 992D's steering compared to the earlier 992C, and what tends to fail on it?
The 992D replaced the 992C's conventional steering wheel with Cat's STIC (Steering and Transmission Integrated Control) - a single joystick handling direction, gear selection, and steering together. It's the defining ergonomic change operators and mechanics point to when discussing this generation versus the C. Because steering runs through an electro-hydraulic joystick rather than a mechanical column, wiring harness corrosion, connector faults, and controller calibration drift are the usual causes of inconsistent steering response, the same failure pattern seen on other Cat electro-hydraulic joystick systems of this era. Steering is safety-critical - have your dealer verify calibration and wiring integrity before returning the machine to service.
What wear pattern shows up in the loader linkage and articulation joint on a machine this size?
The 992D carries the Z-bar, parallel-lift-arm loader linkage carried over from the 992C, tilted by a single cylinder. The pin and bushing joints in that linkage, plus the center articulation hitch, are what mechanics watch closest on a quarry or mine machine. Loose or grooved pins show up as knocking, side play, or trouble holding alignment under load. Daily greasing on the service interval is what keeps that wear in check. Frame and boom weld joints near the articulation area are the other structural hotspot flagged for large wheel loaders run in continuous quarry-face duty - early cracking gets caught with a shortened crack-check interval rather than waiting for a visible fracture.
Are there engine-specific quirks tied to this era's 3412 compared to later electronically controlled Cat engines?
This era of 992D generally carries an all-mechanical, flyweight-governed 3412 fuel system rather than the ECM-based electronic engine control fitted to later Cat machines. That means no engine self-diagnostic code list or laptop-based fault reading to lean on the way a newer loader has - troubleshooting on this generation goes through mechanical fuel-system and injector checks instead. Mechanics familiar with the 3412 across other applications generally call it trouble-free when kept on schedule, with occasional injector wear or turbocharger issues as the most common complaints, not a pattern of major failures.
What electrical or sensor issues come up most often on a machine this age?
These machines are into their third decade of service now, so wiring harness chafing, corroded connectors, and worn grounds are the most commonly cited electrical issues. They typically show up as intermittent gauge readings, warning lights, or inconsistent STIC steering and transmission response. With no full-machine ECM diagnostic history to fall back on the way later Cat loaders have, mechanics generally trace these faults with a wiring diagram and a multimeter rather than a code reader. A harness inspection and connector clean-up is considered routine on any unit that has spent its working life outdoors on a quarry or mine site.
What about tires, since this loader runs on wheels, not tracks?
Tires carry the wear-cost role that undercarriage plays on a dozer or excavator. The 992D's factory-fit 45/65-45 rock-service (L5) tires are a major running expense, and quarry and mine operators size their inspection and replacement budget around tread wear and sidewall or casing damage from underfoot rock, not any track component. Rim condition and tire-protection chains, where fitted for abrasive ground, get checked alongside the tires themselves on this class of machine.
What should a buyer check before purchasing a used 992D?
Get full service records and oil-sample (S.O.S) history rather than trusting the hour meter alone - a machine with consistent sampling and documented clutch-pack, torque-converter, and engine overhaul points is worth more than an unverified low-hour unit. Walk the frame and articulation hitch for cracked welds or repair plates, and check the Z-bar linkage and bucket pins for play. Confirm the articulation hitch has no excess play under a loaded test, since that joint is the steering pivot on a fully loaded machine. Check tire tread depth and casing condition, a major line-item cost at this size. Confirm the STIC joystick steering and gear selection respond cleanly with no warning lights, and run a torque-converter stall test with a mechanic present to gauge powershift and converter condition. Confirm the PIN plate serial prefix reads 7MJ to verify it is a genuine 992D. Have your dealer verify structural and driveline condition on a full inspection before you commit to the purchase.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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