Caterpillarengine - industrialindustrial engine
Caterpillar 3011C
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar 3011C is not a mobile machine — it's the legacy Cat model number for a bare industrial diesel power unit, sold new today under the C1.1 name. It's a 1.13 L, three-cylinder, naturally aspirated, indirect-injection diesel with a cast-iron block, mechanical inline injection pump, glow-plug cold-start system, and a 12V electric starter/alternator, supplied without transmission, hydraulics, final drives, or undercarriage for OEM integration into gensets, air compressors, pumps, light towers, and small construction equipment. Spec sheets list dry weight for the bare engine in the roughly 87-108 kg (192-238 lb) range depending on source and accessory package, since installed weight always depends on the radiator, guards, mounts, and PTO housing the OEM bolts on. The 3011C designation covers engines built through the EU Stage IIIA emissions era; it sits inside Caterpillar's C0.5-C0.7-C1.1(3011C)-C1.5(3013C)-C1.6-C2.2(3024C) industrial engine family, all covered by one factory manual set, and it's offered across a range of governed speeds and power ratings depending on region and application rather than a single fixed configuration.
What changed from the 3011C to today's C1.1 is emissions certification and branding, not the core architecture: the block, displacement, and indirect-injection mechanical fuel system carried forward largely unchanged while Caterpillar moved the rating from EU Stage IIIA to US EPA Tier 4 Final/EU Stage V and retired the '3011C' model number in favor of the C1.1 name. Neither generation has an ECM — no CID/FMI fault codes, just mechanical oil pressure, coolant temperature, overspeed, charging, coolant level, and water-in-fuel switches — which keeps the engine simple to diagnose and cheap to keep running long after ECM-equipped Tier 4 engines complicate service. The 3011C matters in the used and parts market because it's also the OEM engine inside Caterpillar's own smallest mini excavators and compactors, not just a genset engine, so demand for used units and rebuild parts comes from both power-unit buyers and small-machine owners chasing an affordable, emissions-simple engine swap.
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 3011C specifications
Engine
| Model / designation | 3011C is Caterpillar's legacy model number for this engine family; current Cat literature lists the same base engine as the C1.1. Treat 3011C and C1.1 as the same engine across naming generations. |
| Configuration | In-line 3-cylinder, 4-stroke-cycle, liquid-cooled diesel. Indirect (pre-chamber) injection. Naturally aspirated on most ratings; a turbocharged rating is also offered. |
| Displacement | 1.13 L (1,130 cc / 68.96 in³) |
| Bore x Stroke | 77.0 mm x 81.0 mm (3.03 in x 3.19 in) |
| Compression ratio | Approx. 22.1:1 to 23.0:1, depending on rating point (varies by configuration/series) |
| Cylinders | 3 |
| Gross power range | About 14.4-21.0 kW (19.3-28.2 hp) across 1800-3400 rpm, depending on emissions tier and market rating. Current standard US EPA Tier 4 Final / EU Stage V ratings run 14.4-18.4 kW (19.3-24.7 hp) at 1800-2800 rpm. |
| Emissions tier | Legacy 3011C ratings certify to EU Stage IIIA (standard and derate bands). The current C1.1-designated version of the same engine certifies to US EPA Tier 4 Final and EU Stage V. Confirm the emissions tier against the specific rating plate/CPL, since it changes by build generation. |
Weights
| Dry weight, basic engine | Approx. 87 kg (191 lb) per engine-database listings |
| Dry weight, dealer-configured rating | Approx. 108 kg (238 lb) per current Cat dealer spec sheets — heavier than the basic-engine figure, likely reflecting added accessories. Varies by configuration. |
| Power unit weight (engine plus cooling package/mounts) | Approx. 129 kg (284 lb) |
| Operating / shipping weight | Not separately published. This is a stationary/industrial power-source engine, not a mobile machine, so no operating weight or ground pressure figure applies. |
Dimensions
| Bare engine (L x W x H) | 491 mm x 400 mm x 576 mm (19.3 in x 15.7 in x 22.7 in) |
| Dealer-configured engine (L x W x H) | Approx. 498 mm x 511 mm x 587 mm (19.6 in x 20.1 in x 23.1 in) — width differs notably from the base figure, consistent with an accessory or cooling package difference. Confirm against the specific rating. |
| Power unit with cooling package (L x W x H) | Approx. 778 mm x 438 mm x 730 mm (30.6 in x 17.2 in x 28.7 in) |
| Flywheel / housing | SAE No. 6-1/2 flywheel with a choice of SAE No. 5 or standard backplate flywheel housing |
| Vehicle-class dimensions | Not applicable — wheelbase, track gauge, and ground clearance do not apply to this stationary industrial engine. |
Performance
| Rated speed range | 1800-3400 rpm, depending on rating point and market/emissions tier |
| Peak torque | Roughly 82-86 Nm (60-63 lb-ft) at 1600 rpm on current Tier 4 Final ratings; legacy Stage IIIA-rated builds show a lower peak near 59 Nm (43 lb-ft) at 3200 rpm. Torque varies by rating point — verify against the specific configuration. |
| Cold-start capability | Rated to start down to -20°C (-4°F) |
| Rotation | Counterclockwise, viewed from the flywheel end; PTO provision available on some configurations |
| Machine-class performance figures | Not applicable — travel speed, drawbar pull, lift/dig/dump figures do not apply. This is a power-source engine, not a mobile working machine. |
Service capacities (summary)
| Engine oil | 4.4 L (1.16 US gal / 4.65 US qt), SAE 10W-30 reference grade |
| Cooling system | 1.9 L (2.0 US qt) |
| Fuel tank | No integral fuel tank is part of the base engine spec — tank sizing is set by the application or power-unit package, not the engine itself. |
| Hydraulic system | Not applicable — this is a diesel engine with no integral hydraulic system. |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
3011C fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 4.4 L (4.6 US qt, 3.9 Imp qt) | Cat DEO (Diesel Engine Oil), SAE 10W-30 preferred for ambient range roughly -18C to 40C (0F to 104F). SAE 15W-40 is the alternate multigrade for warmer, steady ambient conditions. For cold-climate starting, lighter multigrades such as 5W-40 or 0W-40 are used down toward the engine's rated cold-start capability of about -20C (-4F); an engine block/oil heater extends this further. Oil must meet Cat ECF-1 or ECF-2 engine oil specification; commercial oils meeting API CH-4/CI-4 performance levels are acceptable equivalents. |
| Cooling system (engine only, radiator/tank sized by OEM installer) | 1.9 L (2.0 US qt, 1.7 Imp qt) | Cat ELC (Extended Life Coolant) is the preferred fluid, used as a 50/50 concentrate-to-water premix for freeze protection to roughly -37C (-34F). Cat DEAC conventional coolant is the alternate low-cost option on a shorter service interval. ELC and DEAC must not be mixed in the same system. Coolant must meet the Cat EC-1 specification; use water low in minerals (deionized or distilled preferred) when mixing from concentrate. |
| Fuel system / fuel tank | Not defined by the engine builder — this is a bare industrial power unit with no integral Cat-supplied fuel tank. Tank size and shape are set by the OEM or end-user installation. | No. 2-D diesel fuel meeting ASTM D975 (or equivalent EN590 diesel), low-sulfur grade recommended. No. 1-D diesel or a No.1/No.2 blend is preferred in cold weather to reduce fuel waxing/gelling. |
| Grease (external lubrication points — pivots, linkages, PTO coupling as fitted) | Spec only — no factory refill volume is published; apply grease at each fitting until fresh grease purges, per the service interval. | Cat Multipurpose Grease (NLGI 2, EP-rated) covers standard-duty external grease points. Cat Advanced 3Moly Grease is the recommended step-up for higher-load or higher-temperature points if specified by the installer. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar 3011C maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 3,000 h |
|
| Every 6,000 h |
|
Servicing the 3011C beyond the schedule
Predictive Maintenance & Fluid Analysis
Run S·O·S oil sampling at every 250-hour interval — with no ECM logging fault data, oil and coolant analysis is the only early warning on ring wear, injection pump wear, or coolant contamination. Watch the mechanical oil pressure and coolant temperature switches daily; they're the only real-time protection this engine has. Drain the fuel filter/water separator often since the indirect-injection prechambers and single mechanical pump are unforgiving of water or dirty fuel. Track cold-start smoke and cranking effort — both flag glow plug or injector wear before a hard failure.
Corrective & Common Repairs
Hard cold starting and persistent white smoke usually trace to worn glow plugs or a prechamber injector losing spray pattern — common wear points on this indirect-injection design. Fuel filter and water separator clogging causes rough running and power loss faster than on larger engines because the mechanical pump has little tolerance for restricted fuel supply. Rough idle or a knock at idle often means valve lash has drifted out of spec. Alternator and fan belt wear shows up early given the small pulleys and high governed speeds this engine runs.
Overhaul & Rebuild Points
Because the 3011C is a bare power unit, overhaul is done off the application on a stand or as an exchange short block rather than in-frame on a machine. Cylinder liners, piston rings, and the prechamber inserts wear from carbon buildup typical of indirect injection and are the first things to inspect at a top-end rebuild. Have the mechanical injection pump bench-tested and recalibrated at overhaul — timing drift on this pump is a common cause of poor fuel economy and smoke long before it throws any warning.
Seasonal & Environment Servicing
Cold climates need the glow plug system and any intake air heater working correctly — this indirect-injection engine starts poorly, if at all, in the cold without them. Check fuel for gelling and treat accordingly given the small fuel system's limited tolerance for wax buildup. In dusty applications like bore/drill rigs or aggregate plants, service the air precleaner and crankcase breather more often than the standard interval to prevent restriction. Verify coolant additive concentration before hot-weather duty since the cooling system holds under 2 litres and has little buffer against overheating.
3011C common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 033-7854 | Filter As-Fuel | Fuel system service | Check fitment → |
| 150-4142 | Filter-Fuel | Fuel system service | Check fitment → |
| 069-2922 | Gasket | Fuel system service | Check fitment → |
| 276-1806 | Filter Element-Fuel | Fuel system service | Check fitment → |
| 302-7776 | Bowl-Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
3011C fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Low Oil Pressure warning/shutdown lamp | Oil pressure switch signals pressure below the safe threshold for current engine speed | Low oil level, degraded or wrong-viscosity oil, clogged filter, worn oil pump, or a faulty pressure switch | Stop and check oil level and condition first, then inspect the filter and pressure switch/wiring before assuming pump wear |
| High Coolant Temperature warning/shutdown lamp | Coolant temperature switch or sender signals overheating | Low coolant level, blocked radiator core, failed thermostat, slipping or broken fan belt, or a stuck sender | Check coolant level and radiator airflow, verify belt tension, then test the thermostat and sender |
| Engine Overspeed shutdown | Governor or speed-sensing circuit detects engine rpm above the safe limit and trips the electronic shut-off solenoid | Governor linkage binding or misadjusted, sudden load rejection, or a fuel rack/linkage fault | Inspect governor linkage and fuel rack travel before restarting; do not reset repeatedly without finding the cause |
| Charging System / Alternator warning lamp | Alternator output voltage is low or absent while the engine runs | Slipping or broken belt, worn brushes, failed regulator, or a loose/corroded battery or alternator connection | Check belt condition and tension first, then test alternator output at the battery terminals |
| Low Coolant Level warning lamp (where a level switch is fitted) | Coolant level sensor detects fluid below the safe minimum in the header tank or radiator | External leak (hose, gasket, radiator) or internal leak (head gasket) causing gradual coolant loss | Inspect for visible leaks and pressure-test the cooling system before topping off and returning to service |
| Water-in-Fuel / Fuel Filter Restriction warning lamp (where a water-separating filter is fitted) | Sensor detects water accumulation in the fuel/water separator or excessive restriction across the fuel filter | Water-contaminated fuel or a clogged/overdue filter element | Drain the water separator bowl and replace the fuel filter element, then check the fuel source for contamination |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
3011C attachments & work tools
Machine type / attachment applicability
The 3011C is a bare industrial diesel engine (Cat C1.1 family, 3-cylinder, 1.1L displacement), not a work-tool carrier. It has no bucket, fork, coupler, or hydraulic quick-attach system of its own, so bucket/fork/attachment guides published for excavators, skid steers, or wheel loaders do not apply to this model.
Driven-equipment applications
OEMs and equipment packagers mount the 3011C to power off-highway and industrial equipment such as air compressors, generator sets, welders, light towers, pumps, road compactors/rollers, trenchers, bore/drill rigs, chippers/grinders, and small mobile earthmoving machines. The engine supplies rotational power through its flywheel; it does not carry machine attachments itself.
Flywheel and coupling arrangement
Power output to driven equipment runs through the engine flywheel and an SAE-pattern flywheel housing, mated to the OEM's own clutch, coupling, or gearbox. The specific SAE housing size is selected by the equipment packager to suit the driven load and is not a single fixed spec across every 3011C build.
Power unit / cooling packaging
Cat offers the C1.1 (3011C) both as a bare engine and as a complete Industrial Power Unit, pre-assembled with radiator, cooling fan, flywheel, alternator, and wiring for straightforward drop-in installation by OEMs; customers integrating their own cooling loop instead select the bare-engine configuration.
Guarding options
Belt/drive guarding and debris guard kits are offered across Cat's industrial engine range for dusty or debris-heavy duty environments. Equivalent guard hardware is available for the C1.1/3011C through the dealer parts channel, but this is standard engine accessory hardware, not a work tool or attachment.
Rating and emissions configuration
Published ratings for the 3011C/C1.1 vary by source and duty cycle: roughly 13.7-21 bkW (18-28 bhp) at 2200-3400 rpm in general industrial literature, versus about 14.4-18.4 bkW (19-25 bhp) at 2200-2800 rpm for the packaged Industrial Power Unit variant. Emissions certification also varies by destination market (e.g., EPA Tier 4 Final in North America, EU Stage IIIA in other regions) — treat exact figures as varying by configuration/series and confirm against the build's own data plate.
Coupler / mounting system
There is no quick-coupler or work-tool mounting standard for this model. Equipment builders bolt the engine into their own machine frame using engine mounting feet and isolators specified by the packager, not by any Cat attachment-coupler system.
All 3011C assemblies by section
Every catalogued assembly group for the Caterpillar 3011C. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
244-0898 Air Cleaner Gp
| 15***92 | Nut | 2 |
| 17***86 | Clip | 1 |
| 19***80 | Washer | 1 |
250-6063 Air Cleaner Gp
| 10***14 | Clip | 2 |
| 15***92 | Nut | 2 |
| 19***80 | Washer | 1 |
252-7006 Connection Gp-Inlet
| 11***79 | Gasket | 3 |
| 11***62 | Plate | 2 |
| 23***69 | Plate | 1 |
268-8730 Elbow Gp-Exhaust
| 15***20 | Gasket | 1 |
| 16***72 | Washer; (8x15.4x4-mm Thk) | 4 |
| 18***35 | Bolt | 4 |
295-2363 Filter Gp-Air
| 24***14 | Filter Element As-Air | 1 |
| 24***11 | Filter Element; (Air Cleaner) | 1 |
| 27***59 | Indicator; (Air Filter Service) | 1 |
292-2006 Filter Gp-Air
| 10***14 | Clip | 2 |
| 15***92 | Nut | 2 |
| 24***08 | Hose | 1 |
197-8430 Flange Gp-Exhaust
| 15***20 | Gasket | 1 |
| 16***01 | Bolt | 4 |
| 19***29 | Flange | 1 |
269-0742 Manifold Gp-Exhaust
| 15***60 | Nut | 2 |
| 15***59 | Manifold-Exhaust | 1 |
| 15***60 | Gasket | 1 |
153-6858 Manifold Gp-Exhaust
| 15***60 | Nut | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
| 15***59 | Manifold-Exhaust | 1 |
295-2360 Manifold Gp-Exhaust
| 15***60 | Nut | 2 |
| 15***59 | Manifold-Exhaust | 1 |
| 15***60 | Gasket | 1 |
238-1317 Manifold Gp-Exhaust
| 15***60 | Nut | 2 |
| 15***60 | Gasket | 1 |
| 15***61 | Bolt | 4 |
233-9539 Turbocharger Gp
| 10***16 | Bolt; (M6x16-mm) | 2 |
| 14***53 | Stud | 7 |
| 17***38 | Bolt | 8 |
Basic Engine
231-2304 Camshaft Gp
| 15***92 | Key-Woodruff | 1 |
| 15***07 | Tappet | 1 |
| 18***05 | Bearing | 1 |
243-6713 Camshaft Gp
| 15***92 | Key-Woodruff | 1 |
| 18***05 | Bearing | 1 |
| 18***06 | Spacer | 1 |
238-1206 Camshaft Gp
| 15***92 | Key-Woodruff | 1 |
| 18***05 | Bearing | 1 |
| 18***06 | Spacer | 1 |
269-0700 Camshaft Gp
| 15***92 | Key-Woodruff | 1 |
| 15***38 | Bolt | 1 |
| 15***84 | Gear As; (62 Teeth) | 1 |
234-2674 Camshaft Gp
| 1B***36 | Key-Woodruff | 1 |
| 22***67 | Camshaft | 1 |
| 23***74 | Camshaft Group | 1 |
252-8697 Camshaft Gp
| 15***92 | Key-Woodruff | 1 |
| 18***05 | Bearing | 1 |
| 18***06 | Spacer | 1 |
230-9196 Cover Gp-Front Housing
| 10***30 | Bolt; (M10x1.5x20-mm) | 1 |
| 11***22 | Bolt; (M8x16-mm) | 5 |
| 20***02 | Cover As; (Power Take-Off) | 1 |
269-0695 Cover Gp-Valve Mechanism
| 15***33 | Seal; (Engine Oil Filler Cap) | 1 |
| 21***58 | Cap-Oil Filler; (Engine) | 1 |
| 26***95 | Cover Group-Valve Mechanism | 1 |
269-0741 Cover Gp-Valve Mechanism
| 15***34 | Nut | 3 |
| 15***36 | Washer | 3 |
| 15***39 | Gauze; (Crankcase Breather) | 1 |
269-6997 Cover Gp-Valve Mechanism
| 15***34 | Nut | 3 |
| 15***36 | Washer | 3 |
| 15***39 | Gauze; (Crankcase Breather) | 1 |
234-9735 Cover Gp-Valve Mechanism
| 10***58 | Bolt; (M8x1.25x14-mm) | 1 |
| 10***38 | Bolt; (M6x20-mm) | 2 |
| 11***04 | Seal-O-Ring | 1 |
231-3022 Cover Gp-Valve Mechanism
| 15***34 | Nut | 3 |
| 15***36 | Washer | 3 |
| 15***39 | Gauze; (Crankcase Breather) | 1 |
238-1328 Cover Gp-Valve Mechanism
| 15***34 | Nut | 3 |
| 15***36 | Washer | 3 |
| 15***39 | Gauze; (Crankcase Breather) | 1 |
270-6707 Cover Gp-Valve Mechanism
| 15***34 | Nut | 3 |
| 15***36 | Washer | 3 |
| 15***39 | Gauze; (Crankcase Breather) | 1 |
234-2670 Crankshaft Gp
| 03***90 | Washer-Thrust; (Standard-Upper)(Upper) | 2 |
| 03***91 | Washer-Thrust; (Standard-Lower)(Lower) | 2 |
| 06***73 | Washer-Thrush (Upper) .18mm (.007in) | 0 |
231-3874 Crankshaft Gp
| 15***02 | Dowel | 6 |
| 15***03 | Bolt | 6 |
| 15***17 | Gear-Crankshaft; (54 Teeth) | 1 |
269-0677 Crankshaft Gp
| 15***97 | Bolt | 2 |
| 15***02 | Dowel | 6 |
| 15***03 | Bolt | 6 |
231-8824 Cylinder Block Gp
| 15***85 | Plug | 1 |
| 15***87 | Plug | 4 |
| 15***91 | Plug | 1 |
269-0676 Cylinder Block Gp
| 15***85 | Plug | 1 |
| 15***87 | Plug | 4 |
| 15***91 | Plug | 1 |
234-2669 Cylinder Block Gp
| 20***19 | Bolt; (M8x1.25x16-mm) | 10 |
| 23***49 | Housing As | 1 |
| 23***04 | Cylinder Block Group | 1 |
232-7604 Cylinder Block Gp
| 03***68 | Bolt; (5/8-18x3.75-In) | 10 |
| 06***02 | Dowel | 10 |
| 06***06 | Plug | 1 |
240-0271 Cylinder Block Gp-Long
| 23***15 | Plug; (Sealing) | 1 |
| 23***16 | Plug; (Sealing) | 2 |
| 24***71 | Cylinder Block Group-Long | 1 |
246-7892 Cylinder Block Gp-Long
| 23***15 | Plug; (Sealing) | 1 |
| 23***16 | Plug; (Sealing) | 2 |
| 24***92 | Cylinder Block Group-Long | 1 |
246-4340 Cylinder Block Gp-Long
| 23***15 | Plug; (Sealing) | 1 |
| 23***16 | Plug; (Sealing) | 2 |
| 24***40 | Cylinder Block Group-Long | 1 |
234-6036 Cylinder Block Gp-Long
| 23***36 | Cylinder Block Group-Long | 1 |
| 23***15 | Plug; (Sealing) | 1 |
| 23***16 | Plug; (Sealing) | 2 |
269-0691 Cylinder Head Gp
| 15***75 | Bolt | 11 |
| 15***78 | Bolt | 3 |
| 15***44 | Stud | 2 |
234-2672 Cylinder Head Gp
| 22***01 | Bolt; (M15x1.5x137-mm) | 7 |
| 22***02 | Bolt; (M15x1.5x162-mm) | 3 |
| 22***05 | Cylinder Head Group | 1 |
231-2072 Cylinder Head Gp
| 15***55 | Valve-Exhaust | 3 |
| 15***56 | Pin-Cotter | 12 |
| 15***57 | Cap | 6 |
231-2074 Cylinder Head Gp
| 15***75 | Bolt | 11 |
| 15***78 | Bolt | 3 |
| 15***44 | Stud | 2 |
225-5505 Cylinder Head Gp
| 06***06 | Plug | 4 |
| 14***79 | Retainer-Valve Spring | 16 |
| 18***82 | Guide-Valve | 8 |
295-2362 Drive Gp-Auxiliary
| 15***92 | Key-Woodruff | 1 |
| 15***96 | Nut | 1 |
| 15***97 | Seal-O-Ring | 1 |
252-7003 Drive Gp-Fan
| 11***59 | Bolt; (M10x1.5x35-mm) | 4 |
| 13***80 | Pulley-Fan Drive | 1 |
| 22***59 | Clip | 1 |
297-1978 Extension Gp-Fan
| 15***84 | Washer | 4 |
| 16***41 | Bolt | 4 |
| 18***46 | Extension-Fan | 1 |
226-7645 Fastener Gp-Flywheel
| 15***75 | Bolt | 2 |
| 15***67 | Plate | 1 |
| 15***68 | Bolt | 8 |
197-8541 Fastener Gp-Flywheel Housing -Starting Motor
| 18***79 | Nut | 1 |
| 19***41 | Fastener Group-Flywheel Housing; -Starting Motor | 1 |
269-0704 Flywheel Gp
| 15***65 | Gear-Starter; (96-Teeth) | 1 |
| 15***66 | Bolt | 6 |
| 26***04 | Flywheel Group | 1 |
231-2918 Flywheel Gp
| 15***75 | Bolt | 2 |
| 15***65 | Gear-Starter; (96-Teeth) | 1 |
| 15***66 | Bolt | 6 |
270-6703 Flywheel Gp
| 13***46 | Bolt | 8 |
| 15***65 | Gear-Starter; (96-Teeth) | 1 |
| 15***66 | Bolt | 6 |
201-7621 Flywheel Gp
| 13***46 | Bolt | 8 |
| 13***49 | Housing-Flywheel | 1 |
| 15***65 | Gear-Starter; (96-Teeth) | 1 |
252-9517 Flywheel Gp
| 15***75 | Bolt | 2 |
| 15***66 | Bolt | 6 |
| 15***68 | Bolt | 8 |
243-3398 Flywheel Gp
| 03***87 | Ring-Starting Motor; (126-Teeth) | 1 |
| 0S***03 | Bolt,Machine Fuel Pump Drive Gear Mounting | 6 |
| 10***31 | Flywheel As | 1 |
197-8015 Flywheel Gp
| 13***46 | Bolt | 8 |
| 13***66 | Housing-Flywheel | 1 |
| 15***65 | Gear-Starter; (96-Teeth) | 1 |
224-2162 Housing Gp-Flywheel
| 10***17 | Plug | 3 |
| 11***63 | Bolt; (M8x1.25x12-mm) | 2 |
| 12***83 | Bolt; (M10x1.5x30-mm) | 6 |
292-2001 Housing Gp-Flywheel
| 13***42 | Bolt; (Starter Motor) | 2 |
| 15***75 | Bolt | 2 |
| 15***67 | Plate | 1 |
269-0703 Housing Gp-Flywheel
| 13***42 | Bolt; (Starter Motor) | 2 |
| 13***46 | Bolt | 8 |
| 13***66 | Housing-Flywheel | 1 |
232-6179 Housing Gp-Front
| 06***79 | Dowel | 1 |
| 10***51 | Bolt; (M8x1.25x65-mm) | 5 |
| 10***30 | Bolt; (M10x1.5x20-mm) | 1 |
238-1179 Housing Gp-Front
| 15***60 | Nut | 1 |
| 15***62 | Bolt | 3 |
| 15***38 | Bolt | 1 |
284-8772 Housing Gp-Front
| 13***11 | Cap; (Tamper Resistant) | 1 |
| 15***60 | Nut | 2 |
| 15***62 | Bolt | 3 |
252-8682 Housing Gp-Front
| 15***60 | Nut | 1 |
| 15***62 | Bolt | 3 |
| 15***38 | Bolt | 1 |
243-6633 Housing Gp-Front
| 15***60 | Nut | 1 |
| 15***62 | Bolt | 3 |
| 15***38 | Bolt | 1 |
269-0696 Housing Gp-Front
| 13***11 | Cap; (Tamper Resistant) | 1 |
| 15***60 | Nut | 2 |
| 15***62 | Bolt | 3 |
231-2293 Housing Gp-Front
| 15***60 | Nut | 1 |
| 15***62 | Bolt | 3 |
| 15***38 | Bolt | 1 |
232-3713 Lifting Gp-Engine
| 10***30 | Bolt; (M10x1.5x20-mm) | 4 |
| 22***48 | Plate-Lifting | 1 |
| 23***13 | Lifting Group-Engine | 1 |
269-6994 Lifting Gp-Engine
| 15***84 | Washer | 2 |
| 16***41 | Bolt | 2 |
| 23***28 | Plate-Lifting | 2 |
153-6373 Lifting Gp-Engine
| 15***73 | Lifting Group-Engine | 1 |
| 15***75 | Bolt | 2 |
| 19***73 | Plate; (Front) | 1 |
231-2961 Mounting Gp-Alternator
| 15***61 | Bolt | 1 |
| 16***40 | Bolt | 2 |
| 23***60 | Lever-Adjusting | 1 |
252-7009 Mounting Gp-Engine
| 18***43 | Stud | 8 |
| 25***09 | Mounting Group-Engine | 1 |
| 6H***16 | Plug-Protective | 10 |
197-8002 Mounting Gp-Fan Drive
| 18***38 | Bolt | 4 |
| 18***39 | Fan-Suction | 1 |
| 19***02 | Mounting Group-Fan Drive | 1 |
269-6991 Mounting Gp-Fan Drive
| 15***39 | Plate | 1 |
| 18***38 | Bolt | 4 |
| 26***91 | Mounting Group-Fan Drive | 1 |
269-6992 Pan Gp-Oil -Engine
| 15***92 | Nut | 3 |
| 15***33 | Seal; (Engine Oil Filler Cap) | 2 |
| 15***36 | Washer | 2 |
238-1296 Pan Gp-Oil -Engine
| 15***33 | Seal; (Engine Oil Filler Cap) | 1 |
| 15***36 | Washer | 2 |
| 15***12 | Washer | 2 |
250-6050 Pan Gp-Oil -Engine
| 15***33 | Seal; (Engine Oil Filler Cap) | 1 |
| 15***36 | Washer | 2 |
| 15***12 | Washer | 2 |
231-8934 Pan Gp-Oil -Engine
| 15***36 | Washer | 2 |
| 15***30 | Pan-Oil; (Engine) | 1 |
| 15***32 | Washer | 2 |
252-9485 Pan Gp-Oil -Engine
| 15***33 | Seal; (Engine Oil Filler Cap) | 1 |
| 15***36 | Washer | 4 |
| 15***30 | Pan-Oil; (Engine) | 1 |
269-0683 Pan Gp-Oil -Engine
| 15***12 | Washer | 2 |
| 15***33 | Bolt | 21 |
| 15***35 | Seal-O-Ring | 1 |
252-7005 Pan Gp-Oil
| 06***13 | Gasket | 1 |
| 10***71 | Bolt | 6 |
| 12***02 | Tube As | 1 |
269-0679 Piston & Rod Gp
| 15***36 | Bushing | 1 |
| 15***37 | Bolt | 2 |
| 15***38 | Nut | 2 |
231-8823 Piston & Rod Gp
| 15***36 | Bushing | 1 |
| 15***37 | Bolt | 2 |
| 15***38 | Nut | 2 |
234-2671 Piston & Rod Gp
| 12***36 | Ring-Retaining | 2 |
| 22***36 | Kit-Piston Ring | 1 |
| 22***37 | Piston As | 1 |
232-3716 Plug Gp-Engine
| 03***63 | Plug | 1 |
| 23***16 | Plug Group-Engine | 1 |
238-0385 Plug Gp-Engine
| 13***56 | Elbow | 1 |
| 17***18 | Adapter | 1 |
| 23***85 | Plug Group-Engine | 1 |
153-6488 Pulley Gp-Crankshaft
| 15***92 | Nut | 4 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***91 | Washer | 1 |
226-7578 Pulley Gp-Crankshaft
| 15***92 | Nut | 4 |
| 15***92 | Key-Woodruff | 1 |
| 15***94 | Gasket | 1 |
230-7352 Pulley Gp-Crankshaft
| 11***97 | Pulley | 1 |
| 23***52 | Pulley Group-Crankshaft | 1 |
| 6I***01 | Block | 1 |
269-6995 Pulley Gp-Crankshaft
| 15***92 | Key-Woodruff | 1 |
| 15***96 | Nut | 1 |
| 15***82 | Plate | 1 |
269-0720 Pulley Gp-Crankshaft
| 15***92 | Key-Woodruff | 1 |
| 15***96 | Nut | 1 |
| 26***20 | Pulley Group-Crankshaft | 1 |
231-7909 Pulley Gp-Water Pump
| 15***63 | Pulley-Water Pump | 1 |
| 23***09 | Pulley Group-Water Pump | 1 |
238-1278 Pulley Gp-Water Pump
| 15***63 | Pulley-Water Pump | 1 |
| 18***42 | V-Belt; (Alternator, Water Pump) | 1 |
| 23***78 | Pulley Group-Water Pump | 1 |
269-0710 Pulley Gp-Water Pump
| 15***63 | Pulley-Water Pump | 1 |
| 18***42 | V-Belt; (Alternator, Water Pump) | 1 |
| 26***10 | Pulley Group-Water Pump | 1 |
243-6724 Pulley Gp-Water Pump
| 15***63 | Pulley-Water Pump | 1 |
| 18***42 | V-Belt; (Alternator, Water Pump) | 1 |
| 24***24 | Pulley Group-Water Pump | 1 |
269-0694 Valve Mechanism Gp
| 09***41 | Bolt-Socket Head; (M4x0.7x10-mm) | 1 |
| 15***77 | Lever-Lh | 3 |
| 15***79 | Lever-Rh | 3 |
231-2213 Valve Mechanism Gp
| 09***41 | Bolt-Socket Head; (M4x0.7x10-mm) | 1 |
| 15***77 | Lever-Lh | 3 |
| 15***79 | Lever-Rh | 3 |
234-2673 Valve Mechanism Gp
| 06***95 | Rod | 8 |
| 13***53 | Tappet | 8 |
| 18***46 | Screw | 2 |
Cooling System
231-0033 Connection Gp-Water
| 23***33 | Connection Group-Water | 1 |
| 25***67 | Regulator Group-Temperature; (Includes Connector)(Water) | 1 |
| 25***70 | Seal-O-Ring; (Water Temperature Regulator) | 1 |
238-0129 Fan Gp-Blower
| 15***61 | Bolt | 4 |
| 16***60 | Plate | 1 |
| 23***28 | Fan-Blower | 1 |
291-3794 Fan Gp-Blower
| 15***39 | Plate | 1 |
| 15***40 | Bolt | 4 |
| 23***28 | Fan-Blower | 1 |
269-0725 Fan Gp-Blower
| 15***40 | Bolt | 4 |
| 18***41 | Fan-Blower | 1 |
| 26***25 | Fan Group-Blower | 1 |
255-1301 Fan Gp-Blower
| 15***61 | Bolt | 4 |
| 23***28 | Fan-Blower | 1 |
| 25***97 | Plate | 1 |
297-1972 Fan Gp-Suction
| 18***51 | Fan-Suction | 1 |
| 29***72 | Fan Group-Suction | 1 |
255-1303 Fan Gp-Suction
| 15***61 | Bolt | 4 |
| 25***97 | Plate | 1 |
| 25***03 | Fan Group-Suction | 1 |
241-5822 Fan Gp-Suction
| 15***61 | Bolt | 4 |
| 16***60 | Plate | 1 |
| 24***22 | Fan Group-Suction | 1 |
244-1664 Fan Gp-Suction
| 11***49 | Nut; (M12-1.75x93-mm-Thd) | 1 |
| 11***74 | Fan; (10-Blade) | 1 |
| 13***68 | Stud | 1 |
274-6700 Hose Gp-Radiator -Upper
| 24***03 | Hose-Radiator; (Upper) | 1 |
| 27***00 | Hose Group-Radiator; -Upper | 1 |
153-7641 Mounting Gp-Fan
| 15***39 | Plate | 1 |
| 15***40 | Bolt | 4 |
| 15***41 | Mounting Group-Fan | 1 |
238-1219 Pump Gp-Water
| 15***07 | Stud | 2 |
| 15***60 | Nut | 5 |
| 15***62 | Bolt | 1 |
267-0021 Pump Gp-Water
| 15***60 | Nut | 3 |
| 15***61 | Bolt | 4 |
| 15***62 | Bolt | 1 |
269-0723 Pump Gp-Water
| 15***60 | Nut | 2 |
| 15***61 | Bolt | 4 |
| 15***62 | Bolt | 2 |
231-7854 Pump Gp-Water
| 15***17 | Plug | 1 |
| 15***20 | Bolt | 3 |
| 23***54 | Pump Group-Water | 1 |
231-8188 Pump Gp-Water
| 15***60 | Nut | 3 |
| 15***61 | Bolt | 4 |
| 15***62 | Bolt | 1 |
230-7355 Pump Gp-Water
| 10***51 | Bolt; (M8x1.25x65-mm) | 5 |
| 11***29 | Bolt; (M8x1.25x75-mm) | 2 |
| 22***38 | Seal-O-Ring | 1 |
244-0897 Radiator Gp
| 06***58 | Clamp-Hose | 4 |
| 15***92 | Nut | 2 |
| 15***75 | Bolt | 1 |
250-6066 Radiator Gp
| 06***58 | Clamp-Hose | 4 |
| 15***92 | Nut | 2 |
| 15***75 | Bolt | 1 |
292-2009 Radiator Gp
| 06***58 | Clamp-Hose | 4 |
| 15***92 | Nut | 1 |
| 15***61 | Bolt | 4 |
Electrical And Starting System
297-1979 Alternator Gp-Charging
| 15***40 | Bolt | 2 |
| 15***44 | Bolt | 2 |
| 15***99 | Washer | 1 |
269-0726 Alternator Gp-Charging
| 15***40 | Bolt | 2 |
| 15***44 | Bolt | 2 |
| 15***99 | Washer | 1 |
238-1318 Alternator Gp-Charging
| 15***61 | Bolt | 1 |
| 15***84 | Washer | 1 |
| 16***40 | Bolt | 2 |
252-9528 Alternator Gp-Charging
| 15***44 | Bolt | 2 |
| 15***99 | Washer | 1 |
| 16***40 | Bolt | 2 |
292-2005 Alternator Gp-Charging
| 15***56 | Bolt | 2 |
| 15***84 | Washer | 1 |
| 16***40 | Bolt | 2 |
183-3938 Alternator Gp-Charging
| 15***03 | Washer | 1 |
| 15***84 | Washer | 1 |
| 18***38 | Alternator Group-Charging | 1 |
244-0486 Connection Gp-Electrical
| 18***37 | Connector As | 1 |
| 19***55 | Connection; (Starting Motor) | 2 |
| 24***86 | Connection Group-Electrical | 1 |
217-2778 Connection Gp-Electrical
| 18***37 | Connector As | 1 |
| 20***76 | Connection | 1 |
| 21***78 | Connection Group-Electrical | 1 |
219-7601 Connection Gp-Electrical
| 19***55 | Connection; (Starting Motor) | 2 |
| 21***01 | Connection Group-Electrical | 1 |
269-0776 Connection Gp-Electrical
| 15***20 | Gasket | 1 |
| 16***01 | Bolt | 4 |
| 18***79 | Nut | 1 |
269-6998 Connection Gp-Electrical
| 18***37 | Connector As | 1 |
| 26***98 | Connection Group-Electrical | 1 |
252-9536 Connection Gp-Electrical
| 18***37 | Connector As | 1 |
| 19***55 | Connection; (Starting Motor) | 1 |
| 25***36 | Connection Group-Electrical | 1 |
254-5545 Connection Gp-Electrical
| 25***41 | Connection As | 1 |
| 25***45 | Connection Group-Electrical | 1 |
240-5535 Converter Gp-Electrical
| 24***35 | Converter Group-Electrical | 1 |
| 30***83 | Resistor As; (24-Volt) | 1 |
231-2835 Glow Plug Gp
| 15***75 | Wire | 1 |
| 15***76 | Nut | 1 |
| 15***77 | Washer | 1 |
269-0760 Glow Plug Gp
| 15***75 | Wire | 1 |
| 15***76 | Nut | 1 |
| 15***77 | Washer | 1 |
233-9834 Glow Plug Gp
| 22***70 | Glow Plug; (24-Volt)(12-Volt) | 4 |
| 23***26 | Clip | 1 |
| 23***34 | Glow Plug Group | 1 |
269-0688 Pump Gp-Gerotor
| 15***47 | Rotor | 1 |
| 15***48 | Cover | 1 |
| 15***49 | Spring | 1 |
232-0315 Pump Gp-Gerotor -Engine Oil
| 15***47 | Rotor | 1 |
| 15***48 | Cover | 1 |
| 15***49 | Spring | 1 |
226-7640 Shutoff Gp-Electrical
| 22***40 | Shutoff Group-Electrical | 1 |
| 34***99 | Auto Shut Down | 1 |
231-2924 Starting Motor Gp-Electric
| 15***99 | Washer | 2 |
| 15***03 | Washer | 2 |
| 16***72 | Washer; (8x15.4x4-mm Thk) | 1 |
201-7635 Starting Motor Gp-Electric
| 13***42 | Bolt; (Starter Motor) | 2 |
| 13***54 | Starting Motor Group-Electric | 1 |
| 15***99 | Washer | 2 |
252-9527 Starting Motor Gp-Electric
| 13***54 | Starting Motor Group-Electric | 1 |
| 13***42 | Bolt; (Starter Motor) | 2 |
| 15***99 | Washer | 2 |
230-7304 Starting Motor Gp-Electric
| 22***50 | Starting Motor Group-Electric | 1 |
| 23***04 | Starting Motor Group-Electric | 1 |
| 6I***64 | Stud; (M10x1.5x30-mm) | 3 |
269-0707 Starting Motor Gp-Electric
| 13***54 | Starting Motor Group-Electric | 1 |
| 26***07 | Starting Motor Group-Electric | 1 |
340-8308 Starting Motor Gp-Electric
| 14***83 | Bolt; (M10x1.5x45-mm)(Starter Motor) | 2 |
| 33***03 | Kit-Terminal | 1 |
| 34***08 | Starting Motor Group-Electric; -12-Volt | 1 |
292-2002 Starting Motor Gp-Electric
| 13***54 | Starting Motor Group-Electric | 1 |
| 29***02 | Starting Motor Group-Electric | 1 |
138-7454 Starting Motor Gp-Electric
| 13***54 | Starting Motor Group-Electric | 1 |
| 24***73 | Bushing | 1 |
| 24***76 | Bushing | 1 |
268-8732 Switch Gp-Heat Start
| 18***58 | Cap; (Engine Ignition) | 1 |
| 18***60 | Plate | 1 |
| 23***77 | Switch As-Start; (Engine) | 1 |
231-3000 Switch Gp-Press & Temp
| 15***36 | Washer | 2 |
| 15***81 | Bolt | 1 |
| 23***00 | Switch Group-Press & Temp | 1 |
300-3886 Switch Gp-Press & Temp
| 15***36 | Washer | 2 |
| 23***99 | Switch-Temperature; (Engine Coolant) | 1 |
| 29***83 | Adapter | 1 |
243-6726 Switch Gp-Press & Temp
| 15***36 | Washer | 2 |
| 18***65 | Plug | 1 |
| 24***26 | Switch Group-Press & Temp | 1 |
292-2004 Switch Gp-Pressure
| 15***36 | Washer | 2 |
| 18***65 | Plug | 1 |
| 29***93 | Switch-Pressure; (Engine Oil)(Engine Oil) | 1 |
269-0724 Switch Gp-Pressure -Engine Oil
| 15***36 | Washer | 2 |
| 15***81 | Bolt | 1 |
| 26***24 | Switch Group-Pressure; -Engine Oil | 1 |
197-8029 Switch Gp-Start
| 18***58 | Cap; (Engine Ignition) | 1 |
| 18***60 | Plate | 1 |
| 19***29 | Switch Group-Start; -Engine | 1 |
269-6996 Switch Gp-Temperature
| 15***36 | Washer | 2 |
| 18***65 | Plug | 2 |
| 26***96 | Switch Group-Temperature | 1 |
269-0722 Switch Gp-Temperature -Coolant
| 26***22 | Switch Group-Temperature; -Coolant | 1 |
| 34***00 | Switch-Temperature; (Coolant) | 1 |
232-6670 Wiring Gp-Electronic Control -Engine
| 10***41 | Bolt; (M6x1x10-mm) | 1 |
| 12***15 | Bolt; (M8x16x1.25-mm) | 2 |
| 21***77 | Clip | 3 |
Enclosures, Guards And Bases
274-6701 Mounting Gp-Bracket
| 19***48 | Bolt | 16 |
| 23***34 | Bracket-Mounting | 4 |
| 27***01 | Mounting Group-Bracket | 1 |
Engine Arrangement
235-5287 Engine Ar-Core
| 23***69 | Cylinder Block Group | 1 |
| 23***70 | Crankshaft Group | 1 |
| 23***71 | Piston & Rod Group | 1 |
248-0666 Engine Ar-Primary
| 15***70 | Pump Group-Fuel Transfer | 1 |
| 19***17 | Regulator Group-Voltage; -Alternator | 1 |
| 20***21 | Flywheel Group | 1 |
268-1384 Engine Ar-Primary
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
| 19***03 | Pump Group-Fuel Transfer | 1 |
225-0578 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
223-1504 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
| 15***41 | Mounting Group-Fan | 1 |
242-3141 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
241-8610 Engine Ar-Primary
| 24***10 | Engine Ar-Primary | 1 |
242-6043 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
258-6465 Engine Ar-Primary
| 22***62 | Housing Group-Flywheel | 1 |
| 22***42 | Filter Group-Engine Oil | 1 |
| 23***04 | Starting Motor Group-Electric | 1 |
274-4237 Engine Ar-Primary
| 27***37 | Engine Ar-Primary | 1 |
225-0605 Engine Ar-Primary
| 22***05 | Engine Ar-Primary | 1 |
| 25***48 | Kit-Gasket; (1.3-mm Head Gasket) | 1 |
| 25***57 | Kit-Gasket; (1.2-mm Head Gasket) | 1 |
241-5703 Engine Ar-Primary
| 24***03 | Engine Ar-Primary | 1 |
249-0047 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
| 19***03 | Pump Group-Fuel Transfer | 1 |
241-8607 Engine Ar-Primary
| 24***07 | Engine Ar-Primary | 1 |
225-0591 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
241-8611 Engine Ar-Primary
| 24***11 | Engine Ar-Primary | 1 |
264-7728 Engine Ar-Primary
| 26***28 | Engine Ar-Primary | 1 |
242-6047 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
225-0600 Engine Ar-Primary
| 22***00 | Engine Ar-Primary | 1 |
| 25***48 | Kit-Gasket; (1.3-mm Head Gasket) | 1 |
| 25***57 | Kit-Gasket; (1.2-mm Head Gasket) | 1 |
222-2233 Engine Ar-Primary
| 22***33 | Engine Ar-Primary | 1 |
241-8600 Engine Ar-Primary
| 24***00 | Engine Ar-Primary | 1 |
241-8602 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
267-4627 Engine Ar-Primary
| 26***27 | Engine Ar-Primary | 1 |
241-8608 Engine Ar-Primary
| 24***08 | Engine Ar-Primary | 1 |
241-8606 Engine Ar-Primary
| 24***06 | Engine Ar-Primary | 1 |
241-8609 Engine Ar-Primary
| 24***09 | Engine Ar-Primary | 1 |
242-3136 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
241-5704 Engine Ar-Primary
| 24***04 | Engine Ar-Primary | 1 |
225-0577 Engine Ar-Primary
| 22***77 | Engine Ar-Primary | 1 |
241-8599 Engine Ar-Primary
| 24***99 | Engine Ar-Primary | 1 |
248-3107 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 19***02 | Mounting Group-Fan Drive | 1 |
| 19***03 | Pump Group-Fuel Transfer | 1 |
234-1835 Engine Ar-Primary
| 23***35 | Engine Ar-Primary | 1 |
245-7473 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 19***03 | Pump Group-Fuel Transfer | 1 |
234-1831 Engine Ar-Primary
| 23***31 | Engine Ar-Primary | 1 |
241-8603 Engine Ar-Primary
| 24***03 | Engine Ar-Primary | 1 |
241-8598 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
252-5809 Engine Ar-Primary
| 15***58 | Manifold Group-Exhaust | 1 |
| 19***03 | Pump Group-Fuel Transfer | 1 |
| 19***29 | Switch Group-Start; -Engine | 1 |
272-6965 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
246-5212 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
| 19***03 | Pump Group-Fuel Transfer | 1 |
241-8604 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 15***58 | Manifold Group-Exhaust | 1 |
229-9738 Engine Ar-Primary
| 15***73 | Lifting Group-Engine | 1 |
| 15***88 | Pulley Group-Crankshaft | 1 |
| 19***02 | Mounting Group-Fan Drive | 1 |
Fuel System
269-6993 Filter & Lines Gp-Fuel
| 03***49 | Plug | 2 |
| 03***54 | Filter As-Fuel | 1 |
| 06***69 | Olive-Fuel Tube | 2 |
231-2897 Filter & Lines Gp-Fuel
| 15***42 | Filter-Fuel | 1 |
| 15***75 | Bolt | 2 |
| 15***03 | Washer | 2 |
226-2260 Filter & Lines Gp-Fuel
| 03***49 | Plug | 1 |
| 03***54 | Filter As-Fuel | 1 |
| 06***69 | Olive-Fuel Tube | 2 |
269-0743 Filter & Lines Gp-Fuel
| 03***00 | Washer; (0.531x0.718x0.064-In Thk) | 3 |
| 03***49 | Plug | 2 |
| 03***54 | Filter As-Fuel | 1 |
292-2012 Filter Gp-Water Sep & Fuel
| 27***04 | Filter Group-Fuel | 1 |
| 27***06 | Filter Element-Fuel; (Filter) | 1 |
| 29***12 | Filter Group-Water Sep & Fuel | 1 |
231-7171 Governor Gp
| 13***11 | Cap; (Tamper Resistant) | 1 |
| 15***60 | Nut | 1 |
| 15***83 | Pin | 1 |
238-1269 Governor Gp
| 13***11 | Cap; (Tamper Resistant) | 1 |
| 15***60 | Nut | 1 |
| 15***83 | Pin | 1 |
243-6715 Governor Gp
| 13***11 | Cap; (Tamper Resistant) | 1 |
| 15***60 | Nut | 1 |
| 15***83 | Pin | 1 |
269-0697 Protection Gp-Fuel System
| 15***87 | Washer | 2 |
| 19***96 | Bolt | 1 |
| 19***97 | Nut | 1 |
252-8685 Protection Gp-Fuel System
| 13***11 | Cap; (Tamper Resistant) | 1 |
| 15***60 | Nut | 1 |
| 15***83 | Pin | 1 |
269-0755 Pump Gp-Filter & Fuel Transfer
| 15***92 | Nut | 1 |
| 15***38 | Bolt | 2 |
| 15***84 | Washer | 1 |
269-6990 Pump Gp-Fuel Injection
| 15***60 | Nut | 4 |
| 15***85 | Shim; (0.2-mm Thk) | 0 |
| 15***15 | Washer | 2 |
234-3027 Pump Gp-Fuel Injection
| 10***30 | Bolt; (M10x1.5x20-mm) | 1 |
| 11***63 | Bolt; (M8x1.25x12-mm) | 1 |
| 12***15 | Bolt; (M8x16x1.25-mm) | 1 |
232-0294 Pump Gp-Fuel Injection
| 15***60 | Nut | 3 |
| 15***85 | Shim; (0.2-mm Thk) | 1 |
| 15***12 | Washer | 1 |
252-9479 Pump Gp-Fuel Injection
| 15***60 | Nut | 4 |
| 15***85 | Shim; (0.2-mm Thk) | 1 |
| 15***12 | Washer | 1 |
293-2859 Pump Gp-Fuel Injection
| 20***26 | Bolt-Special; (Banjo) | 1 |
| 20***27 | Washer | 2 |
| 20***28 | Connector | 1 |
238-1215 Pump Gp-Fuel Injection
| 15***60 | Nut | 4 |
| 15***85 | Shim; (0.2-mm Thk) | 1 |
| 15***12 | Washer | 1 |
269-0702 Pump Gp-Fuel Injection
| 15***60 | Nut | 4 |
| 15***12 | Washer | 1 |
| 15***15 | Washer | 2 |
293-2897 Pump Gp-Fuel Injection
| 20***26 | Bolt-Special; (Banjo) | 1 |
| 20***27 | Washer | 2 |
| 20***28 | Connector | 1 |
291-2360 Pump Gp-Fuel Injection
| 15***60 | Nut | 2 |
| 15***85 | Shim; (0.2-mm Thk) | 1 |
| 15***15 | Washer | 2 |
303-0470 Pump Gp-Fuel Injection
| 15***60 | Nut | 4 |
| 15***85 | Shim; (0.2-mm Thk) | 1 |
| 15***12 | Washer | 1 |
325-4892 Pump Gp-Fuel Injection
| 15***60 | Nut | 4 |
| 15***85 | Shim; (0.2-mm Thk) | 1 |
| 15***12 | Washer | 1 |
197-8538 Pump Gp-Fuel Priming
| 19***38 | Pump Group-Fuel Priming | 1 |
| 19***40 | Pump Group-Fuel Priming | 1 |
268-8727 Pump Gp-Fuel Priming
| 19***40 | Pump Group-Fuel Priming | 1 |
| 26***27 | Pump Group-Fuel Priming | 1 |
235-5283 Pump Gp-Fuel Prm & Prim Filter
| 12***72 | Bolt | 3 |
| 21***08 | Fitting; (Quick Disconnect, Male) | 1 |
| 21***09 | Fitting; (Quick Disconnect, Female) | 1 |
299-9265 Pump Gp-Fuel Prm & Prim Filter
| 1R***04 | Filter Element-Wtr Sep & Fuel | 1 |
| 20***57 | Seal; (Fuel Filter) | 1 |
| 22***14 | Bowl As | 1 |
197-8003 Pump Gp-Fuel Transfer
| 15***73 | Bolt | 2 |
| 19***03 | Pump Group-Fuel Transfer | 1 |
| 29***70 | Pump As-Fuel Transfer | 1 |
292-2007 Pump Gp-Fuel Transfer
| 29***07 | Pump Group-Fuel Transfer | 1 |
| 29***70 | Pump As-Fuel Transfer | 1 |
| 6I***46 | Bolt; (M6x1x14-mm) | 2 |
153-6870 Pump Gp-Fuel Transfer
| 15***70 | Pump Group-Fuel Transfer | 1 |
| 15***72 | Bolt | 3 |
| 15***73 | Bolt | 1 |
205-1617 Separator Gp-Water
| 18***44 | Seal-O-Ring; (Fuel Filter) | 1 |
| 18***46 | Filter Element-Fuel | 1 |
| 18***47 | Spring | 1 |
Generators
197-8817 Regulator Gp-Voltage -Alternator
| 19***16 | Regulator; (Alternator Voltage) | 1 |
| 19***17 | Regulator Group-Voltage; -Alternator | 1 |
| 23***62 | Connector | 1 |
Lubrication System
252-6995 Base Gp-Oil Filter
| 10***95 | Bolt; (M8x1.25x35-mm) | 4 |
| 22***17 | Cooler-Oil; (Engine) | 1 |
| 22***18 | Seal | 2 |
227-2601 Filler Gp-Engine Oil
| 20***13 | Filler-Oil; (Engine) | 1 |
| 20***15 | Seal-Filler; (Engine Oil) | 1 |
| 22***01 | Filler Group-Engine Oil | 1 |
231-7866 Filler Gp-Engine Oil
| 15***33 | Seal; (Engine Oil Filler Cap) | 1 |
| 15***40 | Bolt | 2 |
| 20***55 | Filler-Oil; (Engine) | 1 |
269-0719 Filler Gp-Engine Oil
| 15***92 | Nut | 4 |
| 15***94 | Gasket | 1 |
| 15***38 | Bolt | 1 |
250-6057 Filter Gp-Engine Oil
| 15***79 | Stud-Hollow | 1 |
| 22***23 | Filter As-Engine Oil | 1 |
| 25***57 | Filter Group-Engine Oil | 1 |
225-7942 Filter Gp-Engine Oil
| 1R***01 | Filter Element As-Engine Oil | 1 |
| 22***39 | Housing As | 1 |
| 22***42 | Filter Group-Engine Oil | 1 |
269-0685 Filter Gp-Engine Oil
| 15***36 | Washer | 2 |
| 15***79 | Stud-Hollow | 1 |
| 15***81 | Bolt | 1 |
231-8943 Filter Gp-Engine Oil
| 15***79 | Stud-Hollow | 1 |
| 22***23 | Filter As-Engine Oil | 1 |
| 23***09 | Adapter | 1 |
252-9511 Filter Gp-Engine Oil
| 15***79 | Stud-Hollow | 1 |
| 22***23 | Filter As-Engine Oil | 1 |
| 25***11 | Filter Group-Engine Oil | 1 |
292-2003 Gauge Gp-Oil Level (Dipstick) -Engine
| 15***92 | Nut | 4 |
| 15***94 | Gasket | 1 |
| 15***33 | Bolt | 1 |
230-7578 Pump Gp-Engine Oil
| 10***61 | Bolt; (M10x1.50x50-mm) | 5 |
| 22***29 | Pump As-Engine Oil | 1 |
| 23***78 | Pump Group-Engine Oil | 1 |
Operator Station
197-8546 Lamp Gp-Indicator
| 19***46 | Lamp Group-Indicator; -Glow Plug | 1 |
| 19***47 | Lamp; (Glow Plug Indicator) | 1 |
Service Equipment And Supplies
6l-4502 Chart-Plate & Film
| 24***91 | Plate-Serial Number | 0 |
| 6L***02 | Chart-Plate & Film | 1 |
3011C serial number reference
The 3011C serial (PIN) plate is a riveted metal tag on the engine block, generally on the side near the fuel injection pump or flywheel housing. It shows the engine serial number as a 3-character prefix followed by a numeric sequence; the prefix identifies the model/production block and is what a dealer parts lookup uses to match the correct parts and service manual, while the trailing digits are the unique unit sequence.
| Prefix | Identifies | Notes |
|---|---|---|
| 311 | 3011C Industrial Engine | Serial-number prefix identification charts list this as the 3011C Industrial Engine. The engine is the Cat C1.1, a 1.1L three-cylinder diesel cataloged together with the C0.5, C0.7, C1.5 (3013C), C1.6 and C2.2 (3024C) engines under one factory manual family. No plant, region, or year breakout is published for this prefix; treat it as one production block within the 3011C run. |
| G1P | 3011C Industrial Engine | Serial-number prefix identification charts list this as a second prefix block for the 3011C Industrial Engine, alongside prefix 311. No source distinguishes a configuration, plant, or year difference between the two prefixes; likely a later or parallel production sequence block of the same engine rather than a distinct variant. Confirm with dealer if config-specific parts fitment matters. |
Frequently asked questions
What engine does the Caterpillar 3011C use?
The 3011C isn't a machine with a separate engine — the model number is the engine. It's Caterpillar's 1.13 L, three-cylinder, naturally aspirated, indirect-injection diesel, the same core engine sold new today under the C1.1 name. It runs a mechanical inline injection pump with an electric fuel shutoff solenoid and no engine control module, so there's no electronic diagnostics, just mechanical warning switches for oil pressure, coolant temperature, overspeed, charging, coolant level, and water in the fuel.
What is the 3011C's operating weight?
'Operating weight' doesn't really apply here — the 3011C is a bare power unit, not a machine with attachments and fluids factored into a curb weight. Spec sheets list dry weight for the base engine in the roughly 87-108 kg (192-238 lb) range, and the figure varies by source and by which accessories — radiator, guards, mounting brackets, PTO housing — the OEM bolts on before it goes into service.
What replaced the Caterpillar 3011C?
Nothing replaced it outright — Caterpillar kept the same basic 1.13 L three-cylinder architecture and re-rated it for tighter emissions rules, then retired the '3011C' model number in favor of the C1.1 name. The current C1.1 certifies to US EPA Tier 4 Final and EU Stage V, versus the EU Stage IIIA rating the 3011C carried, but the block, displacement, and mechanical indirect-injection fuel system carried over largely unchanged.
What 3011C owners discuss
Owners complain the 3011C feels low on power or won't hold RPM under load. Is that normal?
This engine runs a mechanical, in-line injection pump with no electronic control, so "low power" complaints usually trace back to pump calibration rather than a tired engine. Shims under the injection pump body set injection timing, and the governor arm adjuster sets fuel rack travel (fuel volume). If both drift out of spec, idle and rated RPM sag along with power. Owners who chase this successfully do it with a rack-travel gauge and the factory setting sheet for their specific rating, not by guesswork. Because this changes fuel delivery and emissions compliance, have your dealer verify the pump settings before you touch shims or the adjuster.
An engine loses coolant, picks up water in the fuel filter, and oil pressure drops as it heats up. What's the common diagnosis?
That symptom cluster (overheating, water showing up in the fuel-water separator, and falling hot oil pressure) points owners toward a leaking cylinder head gasket or a hairline-cracked head rather than the water pump or thermostat, even after those parts are replaced. Coolant crossing into the fuel side happens where coolant and fuel passages sit close together near the head/pump mounting face; it then shows up at the primary filter within minutes of running. A simple field check: pull the thermostat, top off coolant, remove the belt, idle the engine, and watch the thermostat housing opening and radiator cap area for bubbles or an oily sheen. Confirm with a proper coolant/combustion leak test and have your dealer verify before pulling the head.
The engine cranks fine cold but won't restart once it's hot. What do mechanics check first?
A heat-soak no-start is a known pattern on this small industrial platform. It's typically a thermal cutoff/safety switch near the engine or a starter solenoid that won't pull in once under-hood or block temperatures climb; letting the unit cool for a while resets it and it starts again. First checks: starter relay contacts, continuity on any thermal cutout switch, and wiring insulation near the exhaust manifold and block for heat damage or loose crimped connections. Because this sits in the starting-safety circuit, have your dealer verify before replacing the starter or solenoid.
This engine sat unused for a long period. What's the realistic path to getting it running again?
Community experience with this engine family after extended storage points to the fuel system first: drain and refill the tank, prime the lift pump and primary filter, then crack each injection line at the pump while cranking to confirm fuel reaches every cylinder in firing order (even a small squirt from each line is a good sign). Glow plugs are a common second stop — replace them and ream carbon out of the glow plug bores first so the threads aren't damaged on install, then verify the glow plug circuit with a meter rather than assuming the plugs are the fault. Batteries and starters that sat idle that long often need replacing regardless of the engine condition.
What electrical or sensor issues come up most on this engine?
This platform uses simple switch-type senders for coolant temperature and oil pressure rather than a full engine control module with smart sensors. The recurring failure mode reported by owners isn't the sender itself failing open — it's corrosion or heat-damaged wiring and connectors at these single-wire senders, which causes false warning-light activity or spurious shutdown/interlock behavior. Check connector condition and wiring continuity before swapping a sender that's throwing a false reading.
Is fuel quality more of an issue on this engine than on bigger diesels?
Yes, by owner consensus. The mechanical injection pump and injectors on this small three-cylinder run tight tolerances, so water ingress or contaminated fuel damages plungers and injector tips faster than it would on a larger, more forgiving fuel system. This matters more on stationary duty (genset, compressor, pump) where the unit draws from a fixed tank prone to condensation. Owners running these in continuous stationary service recommend a water-separating primary filter and regular draining of the bowl, especially in humid climates or where the fuel tank sits outdoors.
What should I check before buying a used 3011C power unit?
This model ships as a bare industrial power unit — no transmission, hydraulics, or undercarriage attached — so evaluate it like a stand-alone diesel, not a machine. Run a compression or leak-down test on all cylinders. Crack each injector line at the pump while cranking to confirm even fuel delivery, since injection pump wear is the main age-related weak point. Check for coolant-in-oil or oil-in-coolant cross-contamination given the known head-gasket failure pattern on this family. Inspect the flywheel housing and coupling/PTO interface for wear or damage matching the driven equipment it will bolt to. Check wiring and sender connectors for corrosion, and ask for maintenance logs and hour-meter history — with no odometer equivalent beyond the hour meter, service records are the only real window into how the unit was run and maintained.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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