Caterpillarengine - industrialpumper
Caterpillar CPT372
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar CPT372 is not a mobile machine. It is an industrial engine arrangement, serial prefix 1WZ, built to power truck- or skid-mounted pumps for oilfield and petroleum service, most often documented as a well-cementing pumper alongside the related CPS361 arrangement. Its powerplant carries Caterpillar's 5DZ engine prefix, tying it to the 3176C Industrial Engine: a 10.3-liter (629 cu in) turbocharged-aftercooled inline-six with a hydraulically actuated, electronically controlled unit injector (HEUI) fuel system under Caterpillar ADEM engine management, running around 16:1 compression. Tier 2-era 3176C industrial builds of this type are documented at roughly 240 kW (322 hp) at 2000 rpm, though the wider 3176/3176B/3176C block family spans about 187-448 kW (250-600 hp) across on-highway, industrial, and marine ratings, so treat any single horsepower figure as configuration-specific. The CPT372 has no operating weight, travel speed, or undercarriage of its own. It ships as a power unit for integration onto a customer's pump skid or truck chassis, not as a complete vehicle. Caterpillar carried this engine architecture through the 3176, 3176B, and 3176C generations, spanning roughly the late 1980s into the mid-2000s, with the CPT372's 3176C-based build sitting toward the later end of that span.
Across those generations Caterpillar moved this engine family from earlier mechanical fuel systems to the HEUI-based electronic unit injection carried in the 3176C, tightening fuel control and improving cold-start and altitude performance for field pumping work. The CPT372's 3176C-based build represents the mature, electronically managed end of that lineage, ahead of Caterpillar's later shift toward Tier-compliant C-series industrial engines. No source documents a named successor arrangement carrying the CPT372 pumper designation forward. In the used and parts market today, the CPT372 matters less as a complete turnkey pumper and more as an engine core: its block, cylinder head, HEUI injection system, and turbocharger overlap heavily with the far larger installed base of 3176/3176B/3176C/C-10 truck, industrial, and marine engines, so rebuilders and oilfield service shops can draw on that broader parts pool rather than a narrow, pumper-only supply.
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 CPT372 specifications
Engine
| Designation | CPT372 is a Caterpillar 'Pumper' unit name (serial prefix 1WZ), not a catalog engine model in its own right. Caterpillar electrical-system documentation for this pumper identifies its powerplant by engine serial prefix 5DZ, which corresponds to the 3176C Industrial Engine - part of the 10.3 L inline-six block family also sold as the 3176, 3176B, 3196 and, on-highway, the C-10. Parts cross-reference listings (oil pump, air brake compressor, belt tensioner) confirm CPT372 shares components with that whole family. |
| Configuration | In-line 6-cylinder, four-stroke-cycle diesel with a hydraulically actuated, electronically controlled unit injector (HEUI) fuel system and Caterpillar ADEM electronic engine management. |
| Displacement | 10.3 L (629 cu in), per the 3176C/C-10 block this unit's engine shares. |
| Bore and stroke | 125 mm x 140 mm (4.92 in x 5.51 in) |
| Compression ratio | Approx. 16:1 (16.1:1 per some references), per the 3176C/C-10 block. |
| Power rating | Not published under the CPT372 name itself. The 3176C Industrial Engine that its documentation ties it to is independently documented at approx. 240 kW (322 hp) at 2000 rpm on Tier 2-era industrial builds. The wider 3176/3176B/3176C block family spans roughly 187-448 kW (250-600 hp) at 1700-2300 rpm across on-highway, industrial machine-drive and marine propulsion ratings - treat any single figure as configuration-specific and confirm from the engine data plate. |
| Emissions certification | Varies by rating: EPA/CARB Tier 2 nonroad documented for 3176C industrial builds of this era (circa 2001-2005); on-highway C-10 builds predate current EPA on-highway tiers; marine-rated builds certified to IMO standards. No certification is published specifically under the CPT372 name. |
Weights
| Engine net dry weight | Not published under the CPT372 name. Base engines in this 10.3 L family run approx. 932 to 1177 kg (2050 to 2590 lb) net dry depending on rating and accessory dress - varies by configuration. |
| Pumper unit operating/shipping weight | Not documented in available sources. |
| Ground pressure | Not applicable / not published. |
Dimensions
| Engine envelope | Reference builds of this block show an envelope of roughly 900 to 1290 mm (35 to 51 in) on a truck-rated build, versus approx. 1543 mm long x 966 mm wide x 1005 mm high (60.8 x 38.0 x 39.5 in) on a marine-rated build - dimensions vary with flywheel housing, PTO and accessory arrangement, and are not separately published for CPT372. |
| Pumper unit transport dimensions (length/width/height, wheelbase) | Not documented in available sources - CPT372 is a pump-drive engine package, not a self-propelled machine with its own published transport envelope. |
| Ground clearance | Not applicable / not published. |
Performance
| Governed/operating engine speed range | Varies by rating: approx. 1700-2100 rpm on industrial machine-drive ratings of this block; 1200-1800 rpm on the on-highway rating; up to 2300 rpm on the marine rating. |
| Peak torque | Approx. 1830 N.m (1350 lb-ft) at 1200 rpm on the on-highway rating, up to approx. 1858 N.m (1370 lb-ft) at 2300 rpm on the marine rating - varies by configuration/series. |
| Travel speed / gradeability / pump output | Not applicable / not documented. CPT372 drives a pump rather than propelling itself, and no pump-output or vehicle travel-speed figures are published for it. |
Service capacities (summary)
| Engine lube oil system (refill) | Approx. 28-36 L (7.5-9.5 US gal) depending on rating and sump configuration, per the shared 3176C/C-10 block. |
| Cooling system (engine only) | Approx. 10.2-45 L (2.7-12 US gal) depending on rating - on-highway builds run the low end, marine builds with heat exchangers run the high end; actual coolant volume on a pumper package also depends on the skid's remote cooling setup. |
| Fuel tank | No integral fuel tank on the bare engine - fuel is supplied from the host pump skid or truck-mounted tank, so no engine-level fuel tank capacity is published. |
| Hydraulic system | Not documented / not applicable to the bare engine. |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
CPT372 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 28 L (7.5 US gal) | Cat DEO or DEO-ULS diesel engine oil. Use SAE 15W-40 for ambient temps above about -9.5°C (15°F); switch to SAE 10W-30 down to about -18°C (0°F); a full-range synthetic multigrade is called for in colder ambient conditions. Match viscosity to the coldest expected startup temperature, not just average ambient. |
| Cooling system (engine only) | 45 L (12 US gal) | Cat ELC (Extended Life Coolant) preferred, premixed 50/50 water-glycol, rated for extended service without supplemental additive top-ups. Cat DEAC conventional coolant is an accepted alternative but needs a Supplemental Coolant Additive (SCA) charge at startup and SCA renewal at scheduled intervals. |
| Fuel system / fuel tank | Not specified in the engine's own O&M literature - the fuel tank is supplied and sized by the machine/pumper body builder, not the engine manufacturer | No. 2-D diesel meeting the engine's distillate fuel spec; low- or ultra-low-sulfur diesel per current emissions requirements. No transmission, final drive, hydraulic, or axle systems are covered under this engine's own maintenance literature - those units, if fitted on the host machine, are documented separately by the body/equipment builder. |
| Grease (spec only, external points - fan hub / accessory drive bearings) | Per point, per lubrication schedule (no bulk fill capacity specified) | Cat Multipurpose Grease, NLGI 2, lithium-complex base, effective roughly -20°C to 140°C. Cat Ultra 5Moly or Advanced 3Moly grease is the recommended upgrade for extreme-duty or high-load points where specified. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar CPT372 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
| Every 12,000 h |
|
Servicing the CPT372 beyond the schedule
Predictive Maintenance & Fluid Analysis
Run oil sampling on the 3176C-based 5DZ engine at every service interval, since continuous pump duty racks up hours faster than typical truck use and stresses the HEUI injection system under sustained load. Track coolant samples for inhibitor depletion in a turbocharged inline-six that rarely gets an idle break. Watch the ADEM engine control module for injector-trim drift and boost trends, and log fuel filter differential pressure closely, since field fuel quality on oilfield sites raises contamination risk to the unit injectors.
Corrective & Common Repairs
Expect turbocharger wear and HEUI injector faults first on a CPT372 held at sustained high load, unlike a truck engine that cycles through idle. Water pump and thermostat housing leaks show up sooner in hot oilfield ambient conditions. Check the pump-drive coupling or PTO connection regularly, since misalignment there feeds vibration back into the engine mounts and exhaust manifold, a recurring source of cracking on 3176-family blocks run at constant high output.
Overhaul & Rebuild Points
At major hours, inspect cylinder liner bore and piston-ring wear first; sustained high-load pump duty accelerates bore glazing and oil consumption on this block. Check main and rod bearing clearances, valve seat condition, and camshaft wear against 3176C factory tolerances, and treat turbocharger overhaul and HEUI injector recalibration as due around the same milestone rather than separate events. Because the block, head, and rotating assembly share tooling with the broader 3176/3176B/3176C/C-10 family, rebuild parts and machining specs stay comparatively easy to source.
Seasonal & Environment Servicing
Oilfield deployment exposes the CPT372 skid to heavy dust and sand, so shorten air-filter inspection intervals and watch the restriction indicator closely in dry basins. In cold-weather fieldwork, fit a block heater and confirm correct coolant freeze protection before startup, since the 5DZ engine has no cab or enclosure to buffer ambient swings. Field fuel quality varies by location, so drain the water separator more often and inspect skid-mounted wiring and ADEM connectors for corrosion after wash-downs.
CPT372 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 1R-0749 | Filter-Fuel | Fuel system service | Check fitment → |
| 114-5988 | Film | Fuel system service | Check fitment → |
| 213-4466 | Filter Element As-Air | Air intake service | Check fitment → |
| 212-4228 | Filter Element As-Oil | Hydraulic service | Check fitment → |
| 212-4275 | Filter Element As-Oil | Hydraulic service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
CPT372 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| 100-3 | Engine Oil Pressure sensor circuit reading voltage above the normal operating range | Sensor signal wire shorted to a higher voltage source, or a failed oil pressure sensor | Check sensor wiring and connector for a short to voltage before replacing the oil pressure sensor |
| 110-3 | Engine Coolant Temperature sensor circuit reading voltage above the normal range | Signal wire shorted to a high-voltage source or a failed coolant temperature sensor | Inspect sensor wiring for a short to voltage, then check sensor resistance against spec before replacement |
| 111-1 | Engine Coolant Level low | Low coolant in the system, a faulty coolant level sensor, or an open sensor circuit | Check coolant level and top off, then inspect the coolant level sensor and wiring if level is correct |
| 168-2 | Electrical System Voltage erratic, intermittent, or incorrect | Loose or corroded battery connections, a failing charging system, or an intermittent ECM power or ground connection | Check battery terminals, charging system output, and ECM power/ground connections |
| 190-8 | Engine Speed/Timing sensor signal abnormal (frequency, pulse width, or period out of range) | Incorrect air gap between the sensor and timing wheel, a damaged timing wheel tooth, or a corroded sensor connector | Check and set sensor air gap with a feeler gauge, inspect the timing wheel and connector before replacing the sensor |
| 254-12 | Electronic Control Module (personality module) failure | Internal ECM fault or corrupted personality module software | Verify ECM power and ground circuits, then reprogram or replace the ECM/personality module with Cat ET |
| 91-8 | Throttle Position sensor signal abnormal (frequency out of range) | Worn or misadjusted throttle position sensor, or a damaged sensor circuit | Check throttle linkage and sensor adjustment, then test sensor signal before replacement |
| 1-5 | Cylinder Injector Solenoid current below normal (open circuit) - same fault format repeats per cylinder (1 through 6) with FMI 5/6/11 for open/shorted/other failure | Open circuit in the injector solenoid wiring for that cylinder or a failed injector solenoid | Check the injector wiring harness and connector for the affected cylinder, then test solenoid resistance before replacement |
| 22-13 | Timing sensor out of calibration / calibration required | Timing (crank/cam) sensor calibration lost after an ECM or sensor replacement, or sensor signal drift | Confirm sensor installation and air gap, then run the timing sensor calibration procedure in Cat ET |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
CPT372 attachments & work tools
Model identity note
CPT372 is a Caterpillar arrangement/model prefix for an industrial pumper engine built on the C10 block, marketed for truck and petroleum pumping duty rather than as a self-propelled work machine. It is not an excavator, loader, or dozer platform.
Work-tool attachments
No bucket, blade, fork, hammer, grapple, or other ground-engaging work-tool line is offered for the CPT372. Attachment and work-tool catalogs from Cat and its dealer network cover excavators, loaders, and track/skid-steer machines, and none reference this engine model.
Quick coupler / mounting systems
No pin-grabber, CW-series, or hydraulic quick-coupler system applies to the CPT372, since those systems mount work tools to excavator booms and stick ends, a configuration this engine does not have.
Power take-off (PTO) and drive options
As an industrial engine derived from the C10 family, this class of engine typically supports rear PTO options in SAE A, SAE B, or SAE C flywheel/PTO drive configurations, with some applications also drawing power from the front of the engine. Whether the CPT372 arrangement specifically includes a PTO is not documented in available sources; confirm with a Caterpillar dealer using the engine serial number.
Pump/driven-equipment interface
The CPT372 designation is tied to pumper service, implying a direct or PTO-driven connection to a petroleum transfer pump rather than a hydraulic implement circuit. Exact pump mounting, coupling, and drive-ratio details are not documented in available sources for this specific arrangement.
Guarding and industrial options
Industrial engines in the C10/C12 family commonly offer options such as industrial-duty air cleaners, remote-mounted radiators or heat exchangers, and safety guarding for rotating components (fan, belt, coupling) for stationary or vehicle-mounted duty. Which of these were factory-fitted on the CPT372 arrangement specifically is not confirmed in available sources; verify against the engine's arrangement/serial number with a dealer.
All CPT372 assemblies by section
Every catalogued assembly group for the Caterpillar CPT372. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
209-1017 Lines Gp-Air
| 14***36 | Hose As | 1 |
| 14***37 | Hose As | 1 |
| 14***38 | Hose As | 1 |
206-1292 Lines Gp-Air
| 14***68 | Valve | 2 |
| 14***24 | Actuator | 10 |
| 14***04 | Hose As | 1 |
216-6887 Lines Gp-Air
| 13***91 | Hose-Hump | 1 |
| 21***80 | Tube | 1 |
| 21***81 | Tube | 1 |
204-0796 Lines Gp-Air
| 14***06 | Hose As | 2 |
| 14***29 | Hose As | 1 |
| 14***30 | Hose As | 1 |
117-2688 Manifold Gp-Exhaust
| 10***13 | Gasket | 6 |
| 11***89 | Manifold-Exhaust; (Center) | 1 |
| 11***15 | Stud-Taperlock; (M10x85-mm Oal) | 12 |
116-5405 Manifold Gp-Inlet
| 11***05 | Manifold Group-Inlet | 1 |
| 11***06 | Manifold; (Inlet) | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
213-4909 Mounting Gp-Air Cleaner
| 09***24 | Spacer; (11x19x58-mm Thk) | 2 |
| 10***29 | Elbow | 1 |
| 14***37 | Bracket | 1 |
213-2519 Muffler Gp
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 4 |
| 14***69 | Clamp | 2 |
| 19***24 | Cap As-Rain | 1 |
192-2076 Turbocharger Gp
| 19***76 | Turbocharger Group | 1 |
| 19***16 | Turbocharger Group | 1 |
| 1S***95 | Gasket-Turbocharger To Manifold; Gasket Turbocharger To Manifold | 1 |
194-1116 Turbocharger Gp
| 12***51 | Housing-Turbine | 1 |
| 12***53 | Clamp As; (Turbine) | 1 |
| 13***30 | Cover; (Compressor) | 1 |
Basic Engine
117-0176 Adapter Gp-Engine To Tmsn
| 11***76 | Adapter Group-Engine To Tmsn | 1 |
| 28***37 | Bolt-Socket Head | 8 |
| 32***52 | Plate As-Flexible | 1 |
164-7564 Air Compressor Gp
| 0L***52 | Capscrew (3/8 - 16 Nc X 3 1/4 Gd8, Hex) | 6 |
| 0S***17 | Bolt --Use Open Hole In Compressor Body | 12 |
| 10***16 | Key-Woodruff | 1 |
133-7032 Air Compressor Gp
| 00***43 | Elbow; (12.7mm Id) | 1 |
| 00***58 | Elbow-Flared | 1 |
| 03***31 | Elbow-To Tube As | 1 |
196-9521 Bearing Gp-Main -Crankshaft
| 19***21 | Bearing Group-Main; (Includes Parts Marked J) | 1 |
| 21***87 | Bearing-Main; (Standard) | 4 |
| 21***88 | Bearing-Main; (Standard) | 3 |
171-3062 Camshaft Gp
| 11***59 | Cover | 1 |
| 12***11 | Journal | 1 |
| 13***68 | Gasket; (Camshaft Cover) | 1 |
115-2985 Cover Gp-Cylinder Block
| 11***85 | Cover Group-Cylinder Block | 1 |
| 4P***87 | Cover | 1 |
| 6V***50 | Seal-O-Ring (Id=39.34mm) | 1 |
113-8987 Cover Gp-Front Housing
| 10***69 | Seal-O-Ring; (Fuel Transfer Pump) | 1 |
| 11***87 | Cover Group-Front Housing | 1 |
| 12***05 | Cover | 1 |
132-3210 Crankshaft Gp
| 12***82 | Bearing-Main; (0.51-mm Us)(.51mm U.S.) | 0 |
| 12***83 | Bearing-Main; (0.76-mm Us)(.76mm U.S.) | 0 |
| 12***84 | Bearing-Main; (0.51-mm Os)(.51mm O.S.) | 0 |
204-3450 Cylinder Block As
| 10***60 | Seal; (Liner) | 6 |
| 14***25 | Liner-Cylinder Block | 6 |
| 16***63 | Shim-Liner; -Cylinder | 0 |
200-2054 Cylinder Block As
| 11***66 | Cap; (Bearing) | 7 |
| 17***54 | Bolt-Hex Head; (M16x160mm) | 14 |
| 20***54 | Cylinder Block As | 1 |
115-2982 Cylinder Block Gp
| 11***82 | Cylinder Block Group | 1 |
| 1N***99 | Plug-O-Ring; (Straight Thread) | 2 |
| 20***50 | Cylinder Block As | 1 |
179-9461 Cylinder Head As
| 10***50 | Guide-Valve; (Standard) | 24 |
| 17***58 | Cylinder Head As | 1 |
| 17***61 | Cylinder Head As | 1 |
179-9458 Cylinder Head As
| 11***02 | Sleeve; (Injector) | 6 |
| 17***53 | Insert-Valve Seat; (Exhaust)(Standard) | 12 |
| 17***54 | Seat-Valve; (Intake) | 12 |
132-3208 Cylinder Head Gp
| 13***08 | Cylinder Head Group | 1 |
| 14***44 | Cylinder Head Group | 1 |
| 18***07 | Gasket As-Cylinder Head | 1 |
148-2144 Cylinder Head Gp
| 10***50 | Guide-Valve; (Standard) | 24 |
| 10***34 | Guide-Valve; (0.127-mm Os Od) | 0 |
| 10***35 | Guide-Valve; (0.508-mm Os Od) | 0 |
117-2766 Damper Gp
| 11***66 | Damper Group | 1 |
| 13***83 | Bolt-12 Point Head; (M10x1.5x30-mm) | 8 |
| 16***25 | Damper Assem. | 1 |
143-9360 Drive Gp-Auxiliary
| 14***99 | Kit-Strap | 1 |
| 14***60 | Drive Group-Auxiliary | 1 |
| 21***54 | Universal Joint Group | 1 |
149-9848 Drive Gp-Auxiliary
| 14***92 | Flange; (Driveshaft/Transmission Side) | 1 |
| 14***93 | Flange; (Driveshaft/Pump Side) | 1 |
| 14***37 | Drive Group-Auxiliary | 1 |
142-3082 Drive Gp-Power Take-Off
| 14***82 | Drive Group-Power Take-Off | 1 |
| 18***76 | Kit-Gasket | 1 |
| 21***02 | Stud | 12 |
116-1083 Fastener Gp-Cylinder Head
| 11***83 | Fastener Group-Cylinder Head; (Cylinder Head) | 1 |
| 12***84 | Bolt; (Hex Head) (M16x2x160mm) | 26 |
| 2S***58 | Washer-Hard; (17x29x3-mm Thk)(Engine Brake) | 26 |
117-2771 Fastener Gp-Damper & Pulley
| 11***71 | Fastener Group-Damper & Pulley | 1 |
| 21***85 | Spacer; (10.5-mm Thk) | 1 |
| 8T***81 | Bolt; (M16x2.0x80mm) | 6 |
117-2750 Gear Gp-Front
| 11***50 | Gear Group-Front | 1 |
| 13***83 | Shaft | 1 |
| 13***86 | Gear As; (Idler) (71 Teeth) | 1 |
124-2660 Housing Gp-Flywheel
| 06***55 | Seal-O-Ring (Id=47.22mm) | 1 |
| 12***60 | Housing Group-Flywheel | 1 |
| 14***73 | Housing-Flywheel, Threaded Tie-Rod, Threaded Tie-Rod; Replaces 421694a1 | 1 |
133-7075 Housing Gp-Front
| 11***24 | Gear; (Pump Drive) (34 Teeth) | 1 |
| 13***75 | Housing Group-Front | 1 |
| 16***66 | Seal Group-Crankshaft; (Front) | 1 |
148-2063 Lifter Gp-Valve -Mechanism
| 0L***26 | Plug -13mm(.512 In.) Outside Dia. | 2 |
| 12***93 | Dowel | 1 |
| 14***63 | Lifter Group-Valve; -Mechanism | 1 |
117-2748 Lifting Gp-Engine
| 11***05 | Plate; (Lifting Eye) | 2 |
| 11***48 | Lifting Group-Engine | 1 |
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 6 |
205-5844 Lines Gp-Air Compressor
| 00***54 | Nipple-Pipe | 1 |
| 05***72 | Tee-Swivel | 1 |
| 11***80 | Coupling; (37-Deg) | 1 |
136-4281 Mounting Gp-Alternator
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 1 |
| 13***55 | Strap | 1 |
| 13***45 | Belt Tensioner | 1 |
138-2551 Mounting Gp-Fan Drive
| 13***50 | Stud | 2 |
| 13***51 | Mounting Group-Fan Drive | 1 |
| 5R***37 | Washer; (Seal) (1.27mm Thk) | 2 |
117-2694 Mounting Gp-Fan Drive
| 11***94 | Mounting Group-Fan Drive | 1 |
| 14***31 | Plate | 1 |
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 4 |
116-5408 Mounting Gp-Valve Mechanism
| 11***83 | Fastener Group-Cylinder Head; (Cylinder Head) | 1 |
| 11***08 | Mounting Group-Valve Mechanism | 1 |
| 17***68 | Bridge As-Valve; (Intake) | 12 |
117-2777 Pan Gp-Oil -Engine
| 06***58 | Seal-O-Ring; (Oil Pan Drain Plug) | 2 |
| 10***08 | Gasket; (Oil Pan) | 1 |
| 11***77 | Pan Group-Oil; -Engine | 1 |
117-2697 Panel Gp-Sound Suppression -Engine Oil Pan
| 11***97 | Panel Group-Sound Suppression; -Engine Oil Pan | 1 |
| 13***44 | Panel As-Sound Suppression | 1 |
| 7T***65 | Spacer | 6 |
132-3203 Piston & Rod Gp
| 10***19 | Ring; (Piston) (Intermediate) | 1 |
| 13***03 | Piston & Rod Group | 1 |
| 13***98 | Crown As; (Piston) | 1 |
117-0185 Plug Gp-Cylinder Block
| 11***85 | Plug Group-Cylinder Block; (Cylinder Block) | 1 |
| 6V***89 | Seal-O-Ring (Id=19.18mm) | 1 |
| 9S***06 | Plug (Front 5 Stem Main Control Valve) | 1 |
117-0165 Plug Gp-Cylinder Block -Oil Gallery, End
| 11***65 | Plug Group-Cylinder Block; -Oil Gallery, End | 1 |
| 3B***23 | Core Plug--Flywheel Housing Pinion Shaft Hole | 1 |
138-2028 Plug Gp-Cylinder Block
| 13***28 | Plug Group-Cylinder Block | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 6V***48 | Seal--O-Ring--To Governor Drive Housing | 1 |
115-2984 Plug Gp-Cylinder Block
| 11***84 | Plug Group-Cylinder Block; (Cylinder Block) | 1 |
| 6V***49 | Seal-O-Ring (Id=11.89mm); (11.89-mm Id) | 3 |
| 9S***91 | Plug,Machine Thread Fuel Injection Pump | 3 |
212-7801 Power Take-Off Gp
| 14***82 | Drive Group-Power Take-Off | 1 |
| 14***36 | Pump-Hydraulic | 1 |
| 14***59 | Pump-Hydraulic | 1 |
210-1078 Power Take-Off Gp
| 00***21 | Tee-Union | 1 |
| 18***76 | Kit-Gasket | 1 |
| 19***70 | Seal-O-Ring | 1 |
209-9309 Power Take-Off Gp
| 00***21 | Tee-Union | 2 |
| 09***55 | Hose As | 1 |
| 18***76 | Kit-Gasket | 1 |
117-2795 Pulley Gp-Crankshaft
| 11***95 | Pulley Group-Crankshaft; (Crankshaft) | 1 |
| 17***14 | Pulley; (8 Groove) | 1 |
115-9397 Rocker Arm Gp
| 09***14 | Pin; (Spring) | 1 |
| 11***97 | Rocker Arm Group | 1 |
| 11***98 | Arm; (Valve Rocker) (Exhaust) | 2 |
124-2661 Seal Gp-Crankshaft -Double Lip
| 10***21 | Seal Group-Crankshaft | 1 |
| 10***65 | Plug | 1 |
| 10***80 | Seal-O-Ring (Id=177.17mm) | 1 |
115-3004 Support Gp-Engine
| 11***04 | Support Group-Engine | 1 |
| 17***21 | Support-Front | 1 |
| 5P***45 | Washer-Hard; (13.5x25.5x3-mm Thk)(Turbocharger Blanking Plate) | 8 |
117-2749 Valve Mechanism Gp -Engine
| 10***42 | Base-Valve Mechanism Cover | 1 |
| 10***67 | Pushrod; (Valve) | 12 |
| 10***68 | Pushrod-Injector | 6 |
Cooling System
117-2788 Coolant Conditioner Gp
| 00***64 | End; (Hose) | 2 |
| 00***90 | Elbow | 1 |
| 11***88 | Coolant Conditioner Group | 1 |
115-2990 Cooler Gp-Engine Oil
| 06***40 | Seal-O-Ring (Id=37.69mm) | 2 |
| 10***25 | Gasket | 1 |
| 11***90 | Cooler Group-Engine Oil; (Engine Oil) | 1 |
216-8866 Fan Gp-Suction
| 21***17 | Fan; (9 Blade) | 1 |
| 21***18 | Spacer; (3/4 In Fem Dpth, 1.23 In Wdth) | 1 |
| 21***19 | Spacer; (1/4 In Fem Dpth, 5/8 In Wdth) | 1 |
117-2792 Fastener Gp-Oil Cooler -Engine
| 11***92 | Fastener Group-Oil Cooler; -Engine | 1 |
| 6V***17 | Bolt; (M8x1.25x30-mm)(Location Z) | 1 |
| 9M***74 | Washer-Hard; (8.8x16x2-mm Thk)(Hard) | 1 |
123-0794 Filter As-Coolant Conditioner
| 12***94 | Filter As-Coolant Conditioner | 1 |
| 9N***17 | Filter-Coolant Conditioner; (9-12 Gal Capacity)(Maintenance) | 1 |
| 9N***18 | Filter-Coolant Conditioner | 1 |
148-1996 Housing & Regulator Gp -Engine Coolant Temperature
116-5460 Lines Gp-Water -Bypass
| 10***08 | Flange | 1 |
| 10***95 | Tube | 1 |
| 11***60 | Lines Group-Water; -Bypass | 1 |
148-1997 Lines Gp-Water -Double Thermostat
| 11***97 | Gasket | 4 |
| 14***96 | Housing & Regulator Group; -Engine Coolant Temperature, Cylinder; Regulation, Replaces 422324a1, Cylinder; Assembly | 1 |
| 14***97 | Lines Group-Water; -Double Thermostat, Lid; Replaces 422326a1, Lid | 1 |
117-2778 Lines Gp-Water -Water Pump Inlet Elbow
| 10***35 | Gasket | 1 |
| 10***85 | Elbow; (Water Pump) | 1 |
| 11***78 | Lines Group-Water; -Water Pump Inlet Elbow | 1 |
216-4806 Lines Gp-Water
| 00***70 | Nipple-Strainer To Flange | 2 |
| 14***43 | Coupling | 1 |
| 16***87 | Strap; (Discharge Piping Support) | 1 |
216-6888 Lines Gp-Water
| 00***64 | End; (Hose) | 1 |
| 03***31 | Bolt; (3/8-16x3.75-In)(Shield As. To Heads) | 1 |
| 12***62 | Clamp; (Hose) | 4 |
176-7000 Pump Gp-Water
| 10***10 | Gasket | 1 |
| 14***88 | Seal As; (Water Pump) | 1 |
| 17***95 | Cover-Pump | 1 |
117-2674 Pump Gp-Water
| 11***74 | Pump Group-Water | 1 |
| 17***00 | Pump Group-Water | 1 |
| 6V***21 | Bolt; (M8x1.25x80-mm) | 2 |
134-7294 Radiator Gp
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 9 |
| 0S***90 | Bolt; (3/8-16x2in)(Clip Thru Spacer To Bracket As) | 4 |
| 12***11 | Aftercooler As | 1 |
206-6831 Radiator Gp
| 1H***37 | Bolt-Mount 9w***75 Fuel Level Sensor | 4 |
| 1K***72 | Locknut Horn To Guard | 4 |
| 20***88 | Cooler-Oil | 1 |
201-2048 Tank Gp-Water
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 4 |
| 14***85 | Tank As-Water | 1 |
| 14***47 | Washer; (7.2x14.5x2-mm Thk) | 16 |
Electrical And Starting System
207-1524 Starting Motor Gp-Electric
| 0S***94 | Bolt (1 In. Long 3/8 In. Dia.); Plate Assembly To Support Assembly | 2 |
| 13***26 | Fastener Group-Wiring Harness; -Ecm Harness | 1 |
| 14***66 | Bracket | 1 |
6v-4213 Starting Motor Gp-Electric
| 20***37 | Starting Motor Group-Electric | 1 |
| 4H***69 | Gasket Starter Mtg Part Of Kit P/N 5r***25 | 1 |
| 6V***13 | Starting Motor Group-Electric | 1 |
8c-3592 Starting Motor Gp-Electric
| 03***23 | Bolt; (1/4-28x1-In) | 5 |
| 20***89 | Kit-Solenoid; (12-Volt)(Starting Motor) | 1 |
| 3E***75 | Housing Assem. | 1 |
8c-3593 Starting Motor Gp-Electric
| 03***23 | Bolt; (1/4-28x1-In) | 5 |
| 20***89 | Kit-Solenoid; (12-Volt)(Starting Motor) | 1 |
| 3E***75 | Housing Assem. | 1 |
3e-7863 Starting Motor Gp-Electric
| 3E***63 | Starting Motor Group-Electric | 1 |
| 4H***69 | Gasket Starter Mtg Part Of Kit P/N 5r***25 | 1 |
| 8C***92 | Starting Motor Group-Electric | 1 |
207-1537 Starting Motor Gp-Electric
| 13***85 | Adapter, Adapter; Barbed, Plug As-Connector; (4 Pin) | 2 |
| 14***35 | Cable; (1067cm) | 0 |
| 14***98 | Sensor; (Non-Radioactive Densitometer) | 1 |
9y-7129 Starting Motor Gp-Electric
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 4 |
| 11***85 | Seal-O-Ring; (13.94mm Id) | 2 |
195-5774 Box Gp-Control
| 12***11 | Spacer; (3x15x17-mm Thk) | 1 |
| 16***94 | Spacer; (8.5x12.7x54.1-mm) | 2 |
| 19***45 | Plate Assem. | 1 |
200-2310 Connection Gp-Electrical
| 18***72 | Screw-Pan Head; (No 8-32x9.52-mm)(Wax Coated) | 1 |
| 20***10 | Connection Group-Electrical | 1 |
| 7X***15 | Strap; (Grounding) | 1 |
189-4670 Control & Mtg Gp-Engine Elek
| 18***70 | Control & Mtg Group-Engine Elek | 1 |
| 24***04 | Control Group-Engine Electronic | 1 |
322-3603 Control Gp-Engine Electronic
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 5 |
| 14***32 | Bracket | 11 |
| 2K***73 | Locknut Inside Guard Assembly | 6 |
210-0849 Control Gp-Engine Electronic
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 2 |
| 14***61 | Bracket As | 1 |
| 14***29 | Lighting Group-Signal | 1 |
240-5304 Control Gp-Engine Electronic
| 10***51 | Screw; (M4x32-mm) | 4 |
| 10***52 | Seal | 1 |
| 10***53 | Lens As; (Floodlight) | 1 |
210-0848 Control Gp-Engine Electronic
| 18***72 | Screw-Pan Head; (No 8-32x9.52-mm)(Wax Coated) | 1 |
| 21***48 | Control Group-Engine Electronic | 1 |
| 7X***15 | Strap; (Grounding) | 1 |
226-5758 Harness As-Engine -Electronic Control Module
| 21***33 | Bracket | 2 |
| 21***34 | Bracket | 1 |
| 22***58 | Harness As-Engine; -Electronic Control Module | 1 |
194-5471 Lamp Gp-Clearance
| 18***36 | Socket-Connector; (16-Ga To 18-Ga) | 3 |
| 19***71 | Lamp Group-Clearance | 1 |
| 8T***31 | Plug-Connector; (3-Pin) | 1 |
9x-7779 Lamp Gp-Flood -Roading Lights
| 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 |
| 9X***13 | Sleeve (Order By cm)(Use As Required) | 0 |
194-5473 Lamp Gp-Flood
| 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***73 | Lamp Group-Flood | 1 |
216-8435 Mounting Gp-Sensor
| 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 |
| 21***35 | Mounting Group-Sensor | 1 |
9x-9647 Sensor Gp-Position -Rotary
| 16***03 | Sensor Group-Pressure; (Turbocharger Inlet, Rh) | 1 |
| 21***68 | Seal-O-Ring; (11.89-mm Id) | 1 |
| 9X***47 | Sensor Group-Position; -Rotary-Remote Throttle | 1 |
194-6722 Sensor Gp-Pressure
| 16***05 | Sensor As-Pressure; (Unfiltered Engine Oil) | 1 |
| 19***22 | Sensor Group-Pressure; -Atmospheric Air | 1 |
| 6V***48 | Seal--O-Ring--To Governor Drive Housing | 1 |
197-8393 Sensor Gp-Pressure
| 18***01 | Sensor Group-Speed; (Camshaft Timing) | 1 |
| 19***93 | Sensor Group-Pressure; -Atmospheric | 1 |
| 20***40 | Seal-O-Ring; (13.94mm Id) | 1 |
194-6724 Sensor Gp-Pressure
| 16***04 | Sensor Group-Pressure; (Turbocharger Outlet) | 1 |
| 19***24 | Sensor Group-Pressure; -Air Inlet Manifold | 1 |
| 6V***48 | Seal--O-Ring--To Governor Drive Housing | 1 |
194-6725 Sensor Gp-Pressure
| 18***11 | Sensor Group-Speed; (Crankshaft Timing) | 1 |
| 19***25 | Sensor Group-Pressure; -Engine Oil | 1 |
| 20***40 | Seal-O-Ring; (13.94mm Id) | 1 |
210-1747 Sensor Gp-Pressure
| 13***45 | Pad; (Connector) | 1 |
| 21***47 | Sensor Group-Pressure; -Air Inlet Manifold | 1 |
| 26***97 | Sensor Group-Temperature; (Air Inlet Manifold) | 1 |
197-8394 Sensor Gp-Pressure
| 13***11 | Sensor Group-Temperature; (Transmission Lubrication Oil) | 1 |
| 13***45 | Pad; (Connector) | 1 |
| 19***94 | Sensor Group-Pressure; -Engine Oil | 1 |
197-8396 Sensor Gp-Speed
| 13***11 | Sensor Group-Temperature; (Transmission Lubrication Oil) | 1 |
| 13***45 | Pad; (Connector) | 0 |
| 19***96 | Sensor Group-Speed; -Timing, Crankshaft | 1 |
197-8397 Sensor Gp-Speed
| 13***45 | Pad; (Connector) | 1 |
| 19***97 | Sensor Group-Speed; -Timing, Camshaft | 1 |
| 26***97 | Sensor Group-Temperature; (Air Inlet Manifold) | 1 |
197-8392 Sensor Gp-Temperature
| 03***21 | Shim Lever Housing | 1 |
| 03***23 | Bolt; (1/4-28x1-In) | 5 |
| 19***92 | Sensor Group-Temperature; -Coolant, Water | 1 |
197-8391 Sensor Gp-Temperature
| 03***21 | Shim Lever Housing | 1 |
| 03***23 | Bolt; (1/4-28x1-In) | 5 |
| 19***91 | Sensor Group-Temperature; -Air Inlet Manifold | 1 |
189-6595 Wiring Gp-Electronic Control
| 00***49 | Connector-Second Type | 3 |
| 00***47 | Elbow; (Rh Side) | 1 |
| 00***10 | Tee; (Pipe) | 1 |
189-6593 Wiring Gp-Electronic Control
| 16***36 | Wire; (3-Conductor, 18-Ga)(4420-cm) | 0 |
| 17***14 | Gauge | 2 |
| 18***93 | Wiring Group-Electronic Control | 1 |
213-3716 Wiring Gp-Machine
| 12***89 | Terminal-Fork; (14-Ga To 16-Ga, No. 10 Screw) | 118 |
| 14***12 | Switch As-Magnetic; (Starting Motor, Start Relay) | 2 |
| 14***47 | Washer; (7.2x14.5x2-mm Thk) | 4 |
117-2760 Wiring Gp-Unit Injector
| 11***60 | Wiring Group-Unit Injector | 1 |
| 20***38 | Lamp; (14 Vdc) | 1 |
| 20***45 | Switch As; (Engine) | 2 |
Engine Arrangement
201-7993 Engine Ar
| 11***87 | Cover Group-Front Housing | 1 |
| 11***82 | Cylinder Block Group | 1 |
| 11***84 | Plug Group-Cylinder Block; (Cylinder Block) | 1 |
Fuel System
116-5413 Filter Gp-Secondary Fuel
| 11***13 | Filter Group-Secondary Fuel | 1 |
| 1R***49 | Filter-Fuel; (Advanced Efficiency)(Secondary) | 1 |
117-0184 Fitting Gp-Fuel Lines
| 11***84 | Fitting Group-Fuel Return; (Return)(Return) | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 7X***02 | Connector; (Fuel Pump Inlet) | 1 |
117-0183 Fitting Gp-Fuel Lines
| 11***83 | Fitting Group-Fuel Supply; (Supply)(Supply) | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 1 |
| 9X***50 | Connector-O-Ring; (O-Ring Port) | 1 |
170-5252 Injector Gp-Fuel
| 11***84 | Seal-O-Ring; (32.99mm Id) | 1 |
| 17***52 | Injector Group-Fuel | 1 |
| 9X***17 | Seal-O-Ring; (9.6mm Id) | 1 |
350-7555 Injector Gp-Fuel
| 00***53 | Elbow-Pipe; (1/2-14 Nptf Thd) | 1 |
| 11***28 | Elbow; (90-Deg) | 2 |
| 14***75 | Elbow; (45 Degree) | 1 |
203-7685 Injector Gp-Fuel
| 11***84 | Seal-O-Ring; (32.99mm Id) | 1 |
| 20***85 | Injector Group-Fuel | 1 |
| 21***98 | Seal-O-Ring; (34.56mm Id) | 1 |
197-2596 Lines Gp-Fuel
| 03***47 | Elbow-Filtered Fuel From Based Assembly | 1 |
| 11***16 | Hose Assem. | 1 |
| 11***18 | Hose As | 1 |
189-4674 Lines Gp-Fuel Injection
| 18***74 | Lines Group-Fuel Injection | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 9S***04 | Plug-O-Ring; (Straight Thread O-Ring) | 1 |
123-0782 Plug Gp-Fuel Lines
| 09***70 | Washer-Sealing | 2 |
| 12***82 | Plug Group-Fuel Lines | 1 |
| 19***82 | Tube As | 1 |
116-5428 Pump & Mtg Gp-Fuel Transfer
| 11***28 | Pump & Mtg Group-Fuel Transfer; (Fuel Transfer) | 1 |
| 15***01 | Bolt; (8x1.25x7-mm)(M8x1.25x70mm) | 1 |
| 17***52 | Injector Group-Fuel | 1 |
189-0351 Pump Gp-Fuel Injection
| 13***41 | Pump Group-Fuel Priming; (Hand) | 1 |
| 18***51 | Pump Group-Fuel Injection | 1 |
| 1P***36 | Gasket; (Fuel Priming Pump)(Fuel Priming Pump) | 1 |
116-5411 Pump Gp-Fuel Priming -Hand
| 11***11 | Pump Group-Fuel Priming; -Hand | 1 |
| 28***25 | Valve Group-Check; -Fuel | 1 |
| 6V***89 | Seal-O-Ring (Id=19.18mm) | 1 |
238-0296 Valve Gp-Check -Fuel
| 18***76 | Box As | 1 |
| 20***11 | Plate | 1 |
| 20***12 | Shield As | 1 |
233-6742 Valve Gp-Check -Fuel
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 23***42 | Valve Group-Check; -Fuel Filter | 1 |
| 6V***23 | Ring; (Backup) (13.16mm Id) | 1 |
281-2725 Valve Gp-Check -Fuel
| 13***69 | Connector-Socket; (16-Ga To 18-Ga)(40 Pin Connector) | 1 |
| 15***20 | Tool-Wire Removal | 2 |
| 28***25 | Valve Group-Check; -Fuel | 1 |
Hydraulic System
212-3545 Lines Gp-Hydraulic
| 03***49 | Nut-Self Lock; (No.10.Unc) | 4 |
| 15***83 | Kit-Repair; (Valve) | 1 |
| 15***87 | Wheel-Hand | 1 |
207-0027 Lines Gp-Hydraulic
| 07***00 | Switch As-Toggle; (Starter Engine Battery Charger) | 4 |
| 11***24 | Block-Contact; (1-Pole)(Normally Closed) | 1 |
| 12***67 | Jumper-Terminal | 8 |
203-8533 Lines Gp-Hydraulic
| 15***89 | Bracket As | 1 |
| 20***33 | Lines Group-Hydraulic | 1 |
| 3K***89 | Locknut; (5/8-11-Thd) | 4 |
212-4348 Lines Gp-Hydraulic
| 21***33 | Panel Group-Control | 1 |
| 21***48 | Lines Group-Hydraulic | 1 |
| 21***32 | Bracket As | 1 |
211-0213 Lines Gp-Hydraulic
| 07***00 | Switch As-Toggle; (Starter Engine Battery Charger) | 2 |
| 12***67 | Jumper-Terminal | 4 |
| 13***52 | Lamp; (12-Volt, 18-Watt) | 1 |
212-6937 Lines Gp-Hydraulic
| 00***81 | Elbow | 3 |
| 03***35 | Connector-Flared | 2 |
| 03***44 | Elbow; (Swivel - 37 Degree Flared) | 3 |
212-4200 Pump Gp-Hydraulic
| 00***33 | Tee-Pipe | 3 |
| 00***27 | Elbow; (90 Degree) | 6 |
| 03***61 | Elbow; (45 Degree) | 1 |
216-7669 Tank Gp-Hydraulic
| 13***36 | Valve Group-Flow Control | 1 |
| 13***92 | Cap-Union; (Hydraulic Tank) | 1 |
| 14***84 | Valve Group-Flow Control | 2 |
142-3282 Tank Gp-Hydraulic
| 0S***29 | Bolt (1" Long) | 2 |
| 13***36 | Valve Group-Flow Control | 3 |
| 13***37 | Handle | 1 |
Lubrication System
166-1329 Base Gp-Oil Filter -Engine
| 11***45 | Valve-Pump Bypass; (Engine Oil Filter) | 1 |
| 16***28 | Base Assem. | 1 |
| 16***29 | Base Group-Oil Filter; -Engine | 1 |
117-2786 Cover Gp-Oil Filter Base -Engine
| 11***86 | Cover Group-Oil Filter Base; -Engine | 1 |
| 5S***34 | Seal-O-Ring; (97.79mm Id) | 1 |
| 7C***42 | Cover; (Filter Base) | 1 |
124-2642 Filler Gp-Engine Oil
| 06***55 | Seal-O-Ring (Id=47.22mm) | 3 |
| 12***42 | Filler Group-Engine Oil | 1 |
| 5L***52 | Cap Assembly, Including:-; (Engine) | 1 |
116-1853 Filter Gp-Engine Oil
| 03***51 | Elbow )-Inlet Port To Valve Group | 4 |
| 10***28 | Cover | 1 |
| 10***29 | Name-Plate (Lubrication), Adapter | 1 |
117-2751 Filter Gp-Engine Oil
| 11***51 | Filter Group-Engine Oil | 1 |
| 13***45 | Bolt-Hex Head; (M10x1.50x30) | 6 |
| 16***29 | Base Group-Oil Filter; -Engine | 1 |
124-2657 Gauge Gp-Oil Level (Dipstick) -Engine
| 12***57 | Gauge Group-Oil Level (Dipstick); -Engine | 1 |
| 13***32 | Tube As | 1 |
| 13***33 | Gauge As-Oil Level (Dipstick); (Engine) | 1 |
215-6677 Lines Gp-Engine Oil Filter
| 03***35 | Connector-Flared | 1 |
| 03***45 | Connector | 1 |
| 03***51 | Elbow )-Inlet Port To Valve Group | 2 |
142-3101 Lines Gp-Oil
| 00***14 | Coupling-Pipe | 1 |
| 00***83 | Nipple-Pipe; (Hexagon) | 2 |
| 14***01 | Lines Group-Oil | 1 |
214-4067 Lines Gp-Oil
| 00***27 | Elbow; (90 Degree) | 2 |
| 11***12 | Valve | 1 |
| 14***95 | Hose As | 1 |
142-3073 Lines Gp-Oil
| 13***36 | Valve Group-Flow Control | 4 |
| 13***37 | Handle | 4 |
| 13***38 | Fitting-Union | 1 |
115-9377 Lines Gp-Turbocharger Oil
| 03***33 | Seal-O-Ring; (12.42mm Id) | 1 |
| 11***87 | Seal-O-Ring (23.16 mm Id) | 1 |
| 11***77 | Lines Group-Turbocharger Oil | 1 |
233-5220 Pump Gp-Engine Oil
| 23***20 | Pump Group-Engine Oil | 1 |
| 6D***46 | Seal-O-Ring (Id=101.27mm) | 1 |
| 6V***17 | Bolt; (M8x1.25x30-mm)(Location Z) | 4 |
117-2746 Pump Gp-Engine Oil
| 06***61 | Seal-O-Ring (Id=40.87mm) | 1 |
| 11***03 | Tube Assem. | 1 |
| 11***46 | Pump Group-Engine Oil | 1 |
Operator Station
208-9690 Control Gp-Monitor
| 14***90 | Tank As | 1 |
| 14***98 | Support As | 1 |
| 15***05 | Coupling | 1 |
212-3789 Control Gp-Transmission
| 14***07 | Elbow | 1 |
| 20***55 | Tank Group-Catch | 1 |
| 21***89 | Control Group-Transmission | 1 |
212-4232 Lines Gp-Instrument Panel
| 19***90 | Tank-Lubrication; (Grease) | 1 |
| 19***91 | Bracket As | 1 |
| 21***32 | Lines Group-Instrument Panel | 1 |
207-1840 Module Gp-Control
| 14***88 | Frame As | 1 |
| 14***07 | Bracket As | 4 |
| 14***19 | Board | 2 |
207-7441 Module-Control
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 8 |
| 14***06 | Tank As | 1 |
| 20***33 | Plate As | 1 |
195-5771 Mounting Gp-Fire Extinguisher
| 19***31 | Plate | 1 |
| 19***71 | Mounting Group-Fire Extinguisher | 1 |
| 2K***73 | Locknut Inside Guard Assembly | 2 |
207-2252 Mounting Gp-Platform
| 19***31 | Plate | 1 |
| 20***52 | Mounting Group-Platform | 1 |
| 2K***73 | Locknut Inside Guard Assembly | 2 |
211-4233 Panel Gp-Control
| 21***33 | Panel Group-Control | 1 |
212-7635 Panel Gp-Control
| 21***35 | Panel Group-Control | 1 |
211-0645 Panel Gp-Control
| 19***31 | Plate | 1 |
| 21***45 | Panel Group-Control | 1 |
| 2K***73 | Locknut Inside Guard Assembly | 2 |
210-8516 Panel Gp-Control
| 19***31 | Plate | 1 |
| 21***16 | Panel Group-Control | 1 |
| 2K***73 | Locknut Inside Guard Assembly | 2 |
Prime Package
192-7334 Box Gp-Storage
| 13***36 | Valve Group-Flow Control | 4 |
| 13***37 | Handle | 2 |
| 14***72 | Pipe As | 1 |
194-5490 Box Gp-Tool
| 00***01 | Elbow (To Serial No 1md225) | 1 |
| 00***04 | Elbow | 2 |
| 00***15 | Nipple-Pipe; (59.4mm Long) | 1 |
192-7342 Bumper Gp
| 03***46 | Elbow, 90 Deg Adj., 1/4in. J.I.C. X 7/16in.-14 Str. Thd. | 1 |
| 03***47 | Elbow-Filtered Fuel From Based Assembly | 2 |
| 03***53 | Elbow-Flared | 5 |
195-5723 Door Gp-Access
| 10***69 | Seal-O-Ring; (Fuel Transfer Pump) | 1 |
| 14***67 | Pump-Hydraulic | 1 |
| 19***23 | Door Group-Access | 1 |
192-7337 Fender Gp
| 07***15 | Gauge-Sight; (Hydraulic Tank) | 1 |
| 14***57 | Filter Element As-Oil | 1 |
| 19***37 | Fender Group | 1 |
203-2387 Fitting Gp-Discharge
| 03***49 | Nut-Self Lock; (No.10.Unc) | 3 |
| 10***42 | Bar | 4 |
| 14***96 | Bracket As | 1 |
195-5718 Fitting Gp-Discharge
| 10***43 | Cap | 1 |
| 13***38 | Fitting-Union | 2 |
| 14***68 | Handle As | 1 |
191-6420 Fitting Gp-Discharge
| 11***88 | Film; (Identification) (Fuel Filter) (On Secondary Fuel Filter) | 1 |
| 11***52 | Plate & Film Group; -Engine Information | 1 |
| 11***36 | Film-Information; (3176-Ind Maint) | 1 |
166-0977 Fitting Gp-Discharge
| 16***77 | Fitting Group-Discharge | 1 |
| 21***06 | Tank As-Hydraulic | 1 |
| 21***87 | Cover As | 1 |
195-5722 Fitting Gp-Discharge
| 14***92 | Box As | 1 |
| 19***22 | Fitting Group-Discharge | 1 |
| 3K***89 | Locknut; (5/8-11-Thd) | 9 |
203-2415 Floorplate Gp
| 03***49 | Nut-Self Lock; (No.10.Unc) | 2 |
| 14***21 | Bracket As; (Right Side) | 1 |
| 14***22 | Bracket As; (Left Side) | 1 |
212-7639 Gate Gp-Mixer
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 2 |
| 14***69 | Bracket As | 1 |
| 14***70 | Bracket As | 1 |
150-5300 General Ar-Pumper
| 15***00 | General Ar-Pumper | 1 |
| 19***66 | Bracket | 1 |
| 19***17 | Latch | 1 |
194-5475 Guard Gp-Drive Shaft
| 14***93 | Fender; (Full Tandem Axel) | 1 |
| 14***94 | Fender; (Right Side) | 1 |
| 14***08 | Bracket As | 1 |
203-2416 Handrail Gp
| 19***20 | Fitting Group-Discharge | 1 |
| 19***24 | Nut-Special | 1 |
| 19***44 | Fitting | 1 |
212-7637 Hoist & Mounting Gp
| 20***88 | Seal-O-Ring | 1 |
| 21***37 | Hoist & Mounting Group | 1 |
191-6484 Hose Gp-Suction
| 18***18 | Seal-O-Ring | 1 |
| 19***84 | Hose Group-Suction | 1 |
191-6483 Hose Gp-Transfer
| 18***97 | Fitting | 1 |
| 18***98 | Nut | 1 |
| 19***83 | Hose Group-Transfer | 1 |
194-5472 Ladder Gp
| 19***72 | Ladder Group | 1 |
| 21***08 | Seal-O-Ring | 1 |
215-1407 Lines Gp-Discharge
| 14***67 | Guard As; (Drive Shaft) | 1 |
| 19***59 | Bracket | 1 |
| 19***60 | Bracket As | 1 |
195-5770 Lines Gp-Discharge
| 13***36 | Valve Group-Flow Control | 2 |
| 13***37 | Handle | 2 |
| 13***92 | Cap-Union; (Hydraulic Tank) | 3 |
142-9886 Lines Gp-Discharge
| 14***86 | Lines Group-Discharge | 1 |
| 19***26 | Floorplate As; (Street Side Grating) | 1 |
| 19***27 | Floorplate; (Front Grating) | 1 |
197-2647 Lines Gp-Discharge
| 14***73 | Lines Group-Oil | 1 |
| 14***90 | Mounting Group-Lines | 1 |
| 14***01 | Lines Group-Oil | 1 |
212-6492 Lines Gp-Suction
| 1K***72 | Locknut Horn To Guard | 4 |
| 21***92 | Lines Group-Suction | 1 |
| 21***36 | Hoist As | 1 |
209-8195 Lines Gp-Suction
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 3 |
| 14***44 | Handrail As; (Platform To Triplex Pump) | 1 |
| 14***45 | Handrail As | 1 |
142-3224 Mounting Gp-Engine & Tmsn
| 13***97 | Clamp-Hose | 4 |
| 14***24 | Mounting Group-Engine & Tmsn | 1 |
| 18***21 | Seal-O-Ring | 2 |
195-5702 Mounting Gp-Identification
| 19***02 | Mounting Group-Identification | 1 |
| 21***08 | Clamp-Hose | 4 |
| 21***35 | Fitting | 2 |
142-3090 Mounting Gp-Lines
| 14***90 | Mounting Group-Lines | 1 |
| 15***93 | Bracket As; (Ladder Storage) | 1 |
| 19***88 | Plate | 1 |
207-6148 Mounting Gp-Motor
| 14***43 | Coupling | 1 |
| 14***23 | Pipe As | 1 |
| 14***26 | Support As | 1 |
213-8969 Mounting Gp-Motor
| 13***36 | Valve Group-Flow Control | 3 |
| 13***37 | Handle | 1 |
| 13***38 | Fitting-Union | 1 |
209-9249 Mounting Gp-Power Take-Off
| 00***70 | Nipple-Strainer To Flange | 1 |
| 13***37 | Handle | 1 |
| 14***02 | Bushing-Reducing | 1 |
192-7286 Mounting Gp-Pump
| 13***36 | Valve Group-Flow Control | 2 |
| 14***90 | Coupling | 1 |
| 19***01 | Plate As | 2 |
211-6587 Mounting Gp-Pump
| 19***01 | Sheet; (Right Side Sign) | 1 |
| 21***87 | Mounting Group-Pump | 1 |
| 3B***06 | Washer,Lock; Flange,Elbow,Clamp Assembly,Tube To Pump,Tube Assembly To Screen,Clip Mounting,And Tube Assembly To Transmission | 8 |
194-5500 Mounting Gp-Pump
| 14***43 | Coupling | 1 |
| 14***07 | Valve Group-Flow Control | 1 |
| 14***71 | Pipe As | 1 |
195-5776 Mounting Gp-Pump
| 13***36 | Valve Group-Flow Control | 1 |
| 14***67 | Pipe As | 1 |
| 14***70 | Pipe As | 1 |
210-1411 Mounting Gp-Pump
| 0T***57 | Bolt; (5/8-18x4.5-In) | 6 |
| 14***33 | Bracket As | 1 |
| 14***34 | Bracket As | 1 |
194-5481 Mounting Gp-Rack
| 19***81 | Mounting Group-Rack | 1 |
| 19***94 | Support As | 1 |
| 19***96 | Bracket | 4 |
203-2417 Platform Gp-Operator
| 14***54 | Motor | 1 |
| 1K***72 | Locknut Horn To Guard | 2 |
| 20***17 | Platform Group-Operator | 1 |
210-2141 Rack Gp
| 20***09 | Power Take-Off Group | 1 |
| 21***78 | Power Take-Off Group | 1 |
| 21***41 | Rack Group | 1 |
194-5483 Rack Gp
| 14***55 | Motor; (Hydraulic) | 1 |
| 19***83 | Rack Group | 1 |
| 1K***72 | Locknut Horn To Guard | 2 |
195-5765 Rack Gp
| 14***50 | Support As | 1 |
| 14***52 | Support As | 1 |
| 14***53 | Support As | 1 |
210-2142 Rack Gp
| 14***89 | Frame As | 1 |
| 14***07 | Bracket As | 1 |
| 14***13 | Bracket As | 2 |
143-2899 Radiator & Mounting Gp
| 14***75 | Pump | 1 |
| 14***99 | Radiator & Mounting Group | 1 |
| 14***41 | Gasket | 1 |
198-9600 Radiator & Mounting Gp
| 14***97 | Pump | 1 |
| 14***45 | Gasket | 1 |
| 19***00 | Radiator & Mounting Group | 1 |
212-9516 Shaft Gp-Drive
| 14***54 | Pump Group-Piston; (Injection) | 1 |
| 14***55 | Pump Group-Piston; (Pressurizer) | 1 |
| 14***56 | Bracket As; (Injection) | 1 |
209-0465 Shroud Gp-Air
| 14***66 | Pump | 1 |
| 14***43 | Gasket | 1 |
| 1K***70 | Nut (National Coarse) | 8 |
212-7630 Shroud Gp-Air
| 14***04 | Rack As | 2 |
| 19***31 | Pin As | 2 |
| 21***69 | Plate As | 2 |
206-9079 Shroud Gp-Radiator
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 16 |
| 14***41 | Platform As; (Middle Section) | 1 |
| 14***42 | Extension As; (Platform) | 1 |
194-5480 Tank & Mounting Gp
| 14***62 | Rack As | 1 |
| 14***63 | Rack As | 1 |
| 14***97 | Rack As | 1 |
192-7336 Tank & Mounting Gp
| 19***36 | Tank & Mounting Group | 1 |
| 19***31 | Pin As | 2 |
| 19***32 | Plate | 2 |
192-7289 Tank & Mtg Gp-Lubrication
| 14***02 | Rack As | 1 |
| 19***89 | Tank & Mtg Group-Lubrication | 1 |
| 20***93 | Rod As | 1 |
194-5492 Tank & Mtg Gp-Water
| 14***03 | Rack As | 1 |
| 19***92 | Tank & Mtg Group-Water | 1 |
| 20***93 | Rod As | 1 |
207-7855 Tank Gp-Catch
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 4 |
| 15***41 | Isolator | 2 |
| 15***42 | Washer; (17x71x5-mm Thk) | 2 |
136-3536 Valve Gp-Flow Control
| 13***94 | Radiator Group | 1 |
| 13***36 | Valve Group-Flow Control | 1 |
| 15***41 | Isolator | 4 |
142-3290 Valve Gp-Flow Control
| 14***90 | Valve Group-Flow Control | 1 |
| 21***30 | Shroud Group-Air | 1 |
| 2D***35 | Locknut (Visor To Bracket) | 8 |
142-3107 Valve Gp-Flow Control
| 14***07 | Valve Group-Flow Control | 1 |
| 14***93 | Flange; (Driveshaft/Pump Side) | 1 |
| 14***99 | Kit-Strap | 0 |
142-9884 Valve Gp-Flow Control
| 03***49 | Nut-Self Lock; (No.10.Unc) | 6 |
| 14***84 | Valve Group-Flow Control | 1 |
| 20***85 | Shroud As | 1 |
Service Equipment And Supplies
6l-4502 Chart-Plate & Film
| 6L***02 | Chart-Plate & Film | 1 |
142-3166 Parts Gp-Miscellaneous
| 14***66 | Parts Group-Miscellaneous | 1 |
Transmission
214-5928 Lines Gp-Transmission Oil
| 19***21 | Hinge | 1 |
| 1H***37 | Bolt-Mount 9w***75 Fuel Level Sensor | 5 |
| 20***31 | Shroud | 1 |
Frequently asked questions
What engine powers the Caterpillar CPT372?
A 3176C Industrial engine, identified through the unit's 5DZ engine serial prefix: a 10.3-liter (629 cu in) turbocharged-aftercooled inline-six with HEUI electronic unit injection under Caterpillar ADEM control, at roughly 16:1 compression. Tier 2-era industrial builds of this type are documented around 240 kW (322 hp) at 2000 rpm; the wider 3176/3176C block family spans about 187-448 kW (250-600 hp) across on-highway, industrial, and marine ratings, so confirm the exact rating from the engine's own data plate.
What is the operating weight of the Caterpillar CPT372?
None is published, because the CPT372 is not a self-propelled machine. It has no chassis, undercarriage, or travel system of its own, and ships as a power unit for a customer's pump skid or truck chassis. The bare 3176C-based engine has a dry weight in roughly the 930 to 1180 kg (2050 to 2590 lb) range depending on rating and accessories, but total installed weight depends entirely on the host skid or chassis, not on a published CPT372 machine spec.
What replaced the Caterpillar CPT372?
No direct successor to the CPT372 pumper designation is documented. The 3176C engine underneath it was eventually succeeded on-highway by the one-piece-block C-10/C-12 line, and Caterpillar later moved industrial engine production toward Tier-compliant C-series designs. No source ties a specific follow-on pumper model number to the CPT372 itself. Verify current oilfield cementing-pump packages with a Cat dealer rather than assuming a named replacement.
What CPT372 owners discuss
What's a known quirk of the CPT372's fuel system that owners should understand?
The CPT372 shares the hydraulically actuated electronic unit injection (HEUI) fuel system common to the 3176/3176B/3176C and C-10 family. Injection timing and rate depend on engine oil delivered at high pressure to the injectors, so injector performance is tied directly to oil condition and oil pump health, not just fuel quality. Degraded oil or a weak oil pump tends to show up first as rough running, hard starting, or a power complaint rather than an obvious fuel-system symptom, which is why actuation oil pressure gets checked before injectors are condemned. Have your dealer verify actuation oil pressure against spec before replacing injectors.
What engine oil leak is most commonly reported on this engine family?
The front camshaft cover gasket is a frequently cited leak point on the 3176-family hardware underlying the CPT372 arrangement. A proper fix means pulling the camshaft and front cover rather than just resealing the cover face, which makes it a bigger job than it first looks. Owners who only swap the gasket without addressing the underlying sealing surface report the leak coming back. Have your dealer verify the cam cover and front housing sealing surfaces during any teardown for this leak.
Is camshaft wear a known issue on this engine, and what drives it?
Yes. The injector cam follower bushing is called out as a wear item on this family, and if it deteriorates it can take the camshaft down with it. Once lobe wear starts it progresses quickly and can begin affecting injector actuation timing and valve events before an operator notices a power loss. Oil quality and lubrication discipline are the main preventive levers owners point to for keeping cam wear in check. Have your dealer verify cam lobe and follower condition if fuel timing or hard-starting complaints appear.
What cooling-system behavior should CPT372 owners watch for?
Intermittent overheating on this engine family has been traced to a restricted engine oil cooler or a stuck check valve at the oil cooler rather than a bad water pump or thermostat, even when the fan and gauge readings otherwise look normal. A separate, unrelated failure mode is a plugged water pump weep hole letting coolant migrate into the oil, so milky oil or a slowly dropping coolant level with no visible external leak both point toward the oil cooler/water pump area rather than the radiator. Have your dealer verify oil cooler flow and the water pump weep hole before assuming a radiator or thermostat fault.
What electrical or sensor issues come up most often?
The throttle position sensor is the most frequently cited sensor complaint. It sends a PWM signal to the ECM, and if it's replaced without reprogramming through Cat's electronic service tools, the engine can idle only, hang at a fixed speed, or respond erratically even though wiring and voltage look correct at the ECM. A sensor/ECM voltage mismatch (an 8-volt sensor on an ECM configured for 12 volts, or the reverse) is specifically called out as a cause of a no-throttle-response complaint. Have your dealer verify sensor calibration and voltage configuration with the Cat electronic service tool after any throttle sensor replacement.
What's the general reputation of this engine family among people who have run it for years?
Opinions are mixed but lean toward adequate rather than exceptional. Some operators report good fuel economy and a lighter build than comparable engines, and rebuilders describe individual units running very high hours before a first overhaul. Others describe it as underpowered for its class and say they have not heard much good about it. Across both camps the consistent theme is that outcomes track maintenance discipline, oil quality, cam and injector-follower care, cooling system upkeep, more than any single design flaw.
What should a buyer check before purchasing a used CPT372 engine?
Because this is a stationary or truck-mounted industrial power unit rather than a mobile machine with its own hour meter tied to ground-engaging components, pull ECM data (hours, fault code history, load factor, any derate events) through Cat's electronic service tool, and get an oil sample lab-analyzed for elevated wear metals or coolant/fuel contamination. A crankcase pressure (blow-by) check and a borescope look at the cylinder liners through the injector bores help confirm internal condition without a full teardown. Ask specifically about oil cooler, water pump, cam cover, and throttle sensor history given how often those items surface on this family. Have your dealer verify ECM hour/fault history and blow-by readings before finalizing a purchase.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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