Caterpillarengine - industrialgas engine
Caterpillar G379
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar G379 is a stationary, spark-ignited natural-gas V8, the gas-fired counterpart to Caterpillar's D379 diesel and part of the 379/398/399 industrial engine family (398 is the V12, 399 the V16). Cat built it as a naturally aspirated engine rated around 330 hp (246 kW) at 1200 rpm, with higher-output turbocharged builds reaching roughly 415-440 hp at the same speed; ratings varied by arrangement and application. Production ran through the 1960s and into the 1970s for generator-drive and gas-compression skid duty, governed by a Cat hydro-mechanical or Woodward UG8 governor with magneto or later Altronic capacitor-discharge ignition, no electronic engine control of any kind. A complete packaged generator set built around a G379 has been quoted near 4,082 kg (9,000 lb); Caterpillar's own bare-engine weight and dimensions for the G379 are not documented in any source available for this page.
There is no lettered-series progression on the G379 the way later Cat engines carry B/C/D updates; the real differences run through arrangement (naturally aspirated vs turbocharged), governor selection, and ignition package, since the factory manual bundles G379, G398, and G399 with their D379, D398, and D399 diesel siblings and shares core block, valvetrain, and service procedures across the whole family. What separates the gas variants from the diesels is the fuel-gas train, ignition system, and a compression ratio tuned for detonation control on field gas rather than compression-ignition. The engine still matters in the used and parts market because it is entirely mechanical, no ECM and no fault codes, so operators running legacy compressor and pump-jack skids keep rebuilding rather than repowering. Good cores and internals shared across the 379/398/399 line stay in steady demand even though Caterpillar's current gas-compression catalog has moved on to the electronically governed G3400, G3500, and G3600 series.
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 G379 specifications
Engine
| Model / configuration | G379 — V8, four-stroke-cycle, spark-ignited natural gas industrial engine. A naturally aspirated build is marketed separately as G379NA; higher-output builds are also documented under the G379 designation. |
| Engine family | Shares its base cylinder-block architecture with the diesel D379 (V8) in Caterpillar's legacy 379/398/399 industrial engine family (398 = V12, 399 = V16 diesel counterparts). |
| Rated power | 327-330 hp (244-246 kW) at 1200 rpm on naturally aspirated builds; higher-output builds documented up to 415-440 hp (309-328 kW) at 1200 rpm. Output varies by configuration/aspiration — confirm the rating plate for the specific unit. |
| Rated speed | 1200 rpm, continuous industrial duty (consistent across documented units). |
| Governor | Mechanical governor (CAT Hydro-Mech type) documented on some units; Woodward UG8-type governor documented on others, depending on package. |
| Ignition system | Electronic ignition (Altronic III) documented on rebuilt/updated units, likely superseding an earlier magneto or distributor ignition on original-build engines. |
| Emissions tier | Legacy design predating modern emissions certification — no emissions tier is published for this engine. |
| Bore, stroke, displacement | Not consistently published across available sources for this exact model — confirm with Caterpillar or an engine rebuild shop before ordering parts. |
Weights
| Dry / shipping weight | Not publicly documented for the bare engine. Package weight varies widely by skid, compressor, and accessory fitment — confirm with the seller or Caterpillar for the specific unit. |
Dimensions
| Overall dimensions | Not publicly documented for the bare engine block. Confirm with a certified general-arrangement drawing for the exact unit or package configuration. |
Performance
| Duty class | Continuous-duty stationary industrial/oilfield gas engine, typically packaged into gas-compressor or pumping-unit skids, not a mobile machine. |
| Governing performance | Mechanical or electronic governing available depending on package. Travel speed, drawbar pull, and gradeability do not apply to this stationary engine. |
Service capacities (summary)
| Fuel | Pipeline-quality natural gas. No liquid fuel tank; gas train/regulation is sized per installation. |
| Cooling system | Heat-exchanger (jacket-water) cooling documented on compressor-package installations; radiator cooling used on other packages. Coolant capacity not publicly documented for the bare engine. |
| Engine oil / lubrication | Not publicly documented for this model — verify capacity against the OEM service manual for the specific serial-number range. |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
G379 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with oil filter) | Not published in any source accessible for this S/N 72B-prefix industrial gas engine; wet-sump fill volume depends on the oil pan option fitted (NA vs. turbocharged builds are known to differ). Confirm against the capacity plate or the OMM's own capacities chart before servicing. | Low-ash lubricant formulated for spark-ignited natural-gas engines (current Cat equivalent line: Cat NGEO), not a standard diesel engine oil — high-ash diesel oils foul spark plugs and promote pre-ignition in gas engines. Grade follows the OMM's viscosity-by-ambient-temperature chart, generally SAE 30 for cooler/moderate ambient operation and SAE 40 for sustained high jacket-water or high-ambient continuous duty. This engine predates Cat's current gas-oil brand naming, so confirm the present-day cross-reference with your dealer. |
| Cooling system (jacket water circuit) | Not published in any source accessible for this configuration; total system volume varies with the cooling arrangement fitted (radiator-cooled vs. heat-exchanger/raw-water package). Verify against the specific cooling setup on the unit rather than assuming a single figure. | Standard heavy-duty water/glycol coolant or antifreeze mixed to the freeze-protection ratio called for by the operating climate, with supplemental coolant additive (SCA) maintained at the OMM's service interval, or a fully-formulated extended-life coolant if the unit has been converted. Do not mix coolant types. |
| Fuel system (natural gas) | Not applicable — this is a stationary spark-ignited gas engine with no onboard liquid fuel tank; it draws customer-supplied pipeline or wellhead natural gas through a pressure regulator and gas admission valve. | Dry, filtered pipeline-quality natural gas meeting the OMM's fuel-gas specification for heating value, supply pressure, and contaminant limits (notably H2S). No crankcase-type fluid applies to the gas train. |
| Grease points (governor linkage, throttle linkage, external bearings) | Spec only, no bulk fill volume — apply per the lubrication interval in the maintenance schedule; avoid over-greasing. | General-purpose NLGI 2 lithium-base or lithium-complex extreme-pressure (EP) grease, consistent with Caterpillar's standard multipurpose chassis grease spec. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar G379 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the G379 beyond the schedule
Predictive Maintenance & Fluid Analysis
The G379 predates any onboard diagnostics, so oil sampling and compression checks are the real early-warning system. Trend crankcase oil analysis for wear metals to catch bearing and liner wear before a teardown is forced. Track spark plug gap growth and coloring between changes; a widening gap or blistered insulator points to lean mixture or detonation before it damages a piston. Test jacket-water coolant for corrosion-inhibitor depletion, and monitor incoming field-gas quality (moisture, heavy ends, BTU swings) since it directly drives ignition and valve wear on this engine.
Corrective & Common Repairs
Most call-outs on a G379 trace to the ignition and fuel-mixing side, not the block. Fouled or eroded spark plugs and a weak magneto or Altronic module cause misfire and hard starting; check timing before condemning parts. A worn gas mixer or regulator diaphragm causes speed hunting or rich/lean surging that looks like a governor fault. Governor linkage wear also mimics electronic problems on this mechanical engine. Water pump seal leaks and exhaust valve seat wear from lean-burn gas duty are the other recurring repairs on high-hour units.
Overhaul & Rebuild Points
A G379 top-end overhaul centers on cylinder liners, pistons, rings, and valve/seat reconditioning; exhaust seats are the item most likely to need re-cutting or replacing on a gas-fired build. Check crankshaft and main/rod bearing clearances any time the block is opened, and inspect the vibration damper for separation on high-hour units. Because the factory manual and many internals are shared across the 379/398/399 family, rebuild shops commonly cross-reference parts and machining specs across the D379 diesel and G398/G399 siblings when sourcing components for a full rebuild.
Seasonal & Environment Servicing
Most G379 units sit outdoors on a compressor or pump skid, so seasonal prep matters more than on an enclosed genset. Confirm the jacket-water heater and coolant freeze protection before cold snaps; a cold mechanical governor and stiff oil make hydro-mechanical linkage sluggish at startup. In summer or desert field sites, service the air cleaner and precleaner more often against dust ingestion, and check radiator or heat exchanger cooling capacity against ambient load. Humidity and blowing sand accelerate ignition-wiring and ceramic spark-plug insulator failures on standby units.
G379 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 8M-3120 | Element --Starting Engine Air Cleaner | Air intake service | Check fitment → |
| 1S-9547 | Transfer | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
G379 attachments & work tools
Aspiration & power rating
Factory arrangements span naturally aspirated builds (documented as G379NA) rated near 330 hp (246 kW) at 1200 rpm, up to higher-output arrangements referenced near 415-440 hp (309-328 kW) at the same speed. Exact rating varies by arrangement and duty (standby vs continuous, gas-compression vs generator drive) - verify against the nameplate arrangement for a given unit.
Cooling system options
Jacket-water radiator packages are documented for this engine, with the radiator shared across the wider D379/D398/G379/G398 industrial engine family for skid-mounted or generator-set use. Heat-exchanger or remote-radiator cooling is used on enclosed or compressor-station installs typical for this engine class where a shaft-mounted fan and radiator aren't practical.
Charge-air / aftercooling
Higher-output arrangements in this family route intake air through a jacket-water aftercooler ahead of the manifold, paired with turbocharging; naturally aspirated arrangements (G379NA) omit the aftercooler circuit. Confirm aspiration type against the specific arrangement before assuming an aftercooler is fitted.
Governor / speed control
Baseline speed control is a factory CAT hydro-mechanical governor. Units built for generator-set duty pair the governor with separate ignition-timing control hardware for tighter speed regulation under load.
Ignition system
Gas-fired arrangements are documented fitted with Altronic capacitor-discharge ignition (Altronic III referenced alongside the CAT hydro-mechanical governor); this is the main ignition/control option cited for this engine line in service literature.
Starting system
Offered with either an electric starter or a pneumatic (air) starter. Air starting is common on gas-compression station skids where plant air is already available, and gives faster, cooler cranking than an electric starter of equivalent size on cold starts.
Flywheel & driven-equipment coupling
Standard SAE flywheel housing couples the engine to a generator end (documented paired with SR4-family generators) or to a reciprocating gas-compressor frame (field packages reference Ariel-type compressor frames). A PTO-integrated flywheel-housing option is also referenced, allowing full engine output to be taken from the housing PTO for auxiliary or belt-driven equipment instead of a direct-coupled generator or compressor.
All G379 assemblies by section
Every catalogued assembly group for the Caterpillar G379. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Attachments
2n7080 Clutch Assembly
| 2N***80 | Clutch Group | 1 |
1l7470 Clutch Group
| 1L***70 | Clutch Group | 1 |
2n6961 Clutch Assembly--Type 2
| 2N***61 | Clutch Group | 1 |
2n6961 Clutch Assembly--Type 1
| 2N***61 | Clutch Group | 1 |
7s7810 Regulator Assembly
| 7S***10 | Regulator As | 1 |
6l4104 Gas Pressure Regulator Assembly
| 6L***04 | Regulator As | 1 |
6l5397 Regulator Assembly--32 Volt
| 6L***97 | Regulator As | 1 |
7l8675 Air Cleaner Adapter Group--Inlet
| 7L***75 | Adapter Group-Air Cleaner; Air Cleaner Adapter Group | 1 |
4l7643 Aftercooler Assembly
| 4L***43 | Aftercooler Assembly | 1 |
5l9887 Aftercooler Connections Group--Type 1
| 5L***87 | Aftercooler Connections Group | 1 |
6l9016 Aftercooler Connections Group--Full Flow
| 6L***16 | Aftercooler Connections Group | 1 |
5l9887 Aftercooler Connections Group--Type 2
| 5L***87 | Aftercooler Connections Group | 1 |
5l3457 Aftercooler Group
| 5L***57 | Aftercooler Group | 1 |
6l9521 Aftercooler Group--Raw Water
| 6L***21 | Aftercooler Group-Raw Water; Aftercooler Group | 1 |
5l5908 Air Cleaner And Exhaust Manifold Group
| 5L***08 | Air Cleaner And Exhaust Manifold Group | 1 |
6l9455 Air Cleaner Group--Type 2
| 6L***55 | Air Cleaner Group | 1 |
4l8786 Air Cleaner Group
| 4L***86 | Air Cleaner Group | 1 |
6l5006 Air Cleaner Group
| 6L***06 | Air Cleaner Group | 1 |
6l9455 Air Cleaner Group--Type 1
| 6L***55 | Air Cleaner Group | 1 |
7l6549 Air Cleaner Group
| 7L***49 | Air Cleaner Group; Air Cleaner Group | 1 |
6l6607 Air Cleaner Group
| 6L***07 | Air Cleaner Group | 1 |
7l3224 Air Cleaner Indicator Group
| 7L***24 | Air Cleaner Indicator Group | 1 |
5l7650 Air Cleaner Support Group--Factory Installation--Type 1
| 5L***50 | Air Cleaner Support Group | 1 |
5l7650 Air Cleaner Support Group--Factory Installation--Type 3
| 5L***50 | Air Cleaner Support Group | 1 |
5l7650 Air Cleaner Support Group--Factory Installation--Type 2
| 5L***50 | Air Cleaner Support Group | 1 |
6l2205 Air Filter Indicator Group
| 6L***05 | Air Filter Indicator Group | 1 |
6l2204 Air Filter Indicator Group
| 6L***04 | Air Filter Indicator Group | 1 |
6l2205 Air Filter Indicator Group--Type 2
| 6L***05 | Air Filter Indicator Group | 1 |
6l6735 Air Precleaner Group--Full View
| 6L***35 | Air Precleaner Group | 1 |
5l1243 Alternator Assembly--32 Volt, 60 Ampere
| 5L***43 | Alternator As | 1 |
5l1019 Alternator Group--32 Volt, 60 Ampere--Type 2
| 5L***19 | Alternator Group | 1 |
3n7684 Alternator Group--30 Or 32 Volt, 60 Ampere
| 3N***84 | Alternator Group | 1 |
5l1019 Alternator Group--32 Volt, 60 Ampere--Type 3
| 5L***19 | Alternator Group | 1 |
4n3987 Alternator Group--32 Volt, 60 Ampere--End View--Part 2 Of 2
| 4N***87 | Alternator Group; Alternator Group | 1 |
3n7683 Alternator Group--24 Volt, 60 Ampere
| 3N***83 | Alternator Group | 1 |
5l1019 Alternator Group--32 Volt, 60 Ampere--Type 1
| 5L***19 | Alternator Group | 1 |
4n3987 Alternator Group--32 Volt, 60 Ampere--Side View--Part 1 Of 2
| 4N***87 | Alternator Group; Alternator Group | 1 |
5l1019 Alternator Group--32 Volt, 60 Ampere--Type 4
| 5L***19 | Alternator Group | 1 |
4n3986 Alternator Group--24 Volt, 60 Ampere--End View--Part 2 Of 2
| 4N***86 | Alternator Group-Charging; (24-Volt, 60-Ampere)(24-Volt, 60-Ampere) | 1 |
4n3986 Alternator Group--24 Volt, 60 Ampere--Side View--Part 1 Of 2
| 4N***86 | Alternator Group-Charging; (24-Volt, 60-Ampere)(24-Volt, 60-Ampere) | 1 |
Automatic Start Stop Chart
5l2066 Auxiliary Drive Group
| 5L***66 | Auxiliary Drive Group | 1 |
Basic Engine Arrangement
| 1F***73 | Rod--Governor Control To Carburetor | 1 |
| 2***A | Pin Governor Lever To Control Rod | 1 |
| 2H***64 | Oil Pump Assembly | 1 |
Basic Starting Engine Arrangement
| 4L***71 | Ignition System Group | 1 |
| 6L***29 | Carburetor And Air Transfer Pipe Group | 1 |
| 9M***13 | Oil Pump Assembly | 1 |
3n4654 Battery Group--30 Volt, 300 Ampere Hours
| 3N***54 | Battery Group | 1 |
1l5663 Battery Group--30 Volt, 170 Ampere Hour
| 1L***63 | Battery Group | 1 |
5f5276 Battery Group--30 Volt, 315 Ampere Hour
| 5F***76 | Battery Group | 1 |
7l7871 Battery Group--24 Volt, 172 Ampere Hours
| 7L***71 | Battery Group; (24-Volt)(24-Volt) | 1 |
3n4653 Battery Group--24 Volt, 300 Ampere Hours
| 3N***53 | Battery Group | 1 |
2n1943 Battery Group--30 Volt, 172 Ampere Hours
| 2N***43 | Battery Group | 1 |
Camshaft And Governor
6l2529 Carburetor And Air Transfer Pipe Group
| 6L***29 | Carburetor And Air Transfer Pipe Group | 1 |
7m6038 Carburetor Assembly
| 7M***38 | Carburetor Assembly | 1 |
5l5905 Carburetor Assembly
| 5L***05 | Carburetor Assembly | 1 |
2n5858 Carburetor Control Group--Type 1
| 2N***58 | Carburetor Control Group | 1 |
2n5858 Carburetor Control Group--Type 2
| 2N***58 | Carburetor Control Group | 1 |
6l6815 Carburetor Fuel Control Group
| 6L***15 | Carburetor Fuel Control Group | 1 |
4n4985 Air Start Changeover Group--S.A.E. Standard Engine Rotation--Field Installation
| 4N***85 | Changeover Group | 1 |
4n6019 Air Start Changeover Group--S.A.E. Opposite Standard Engine Rotation--Field Installation
| 4N***19 | Changeover Group | 1 |
1h9435 Clutch And Starter Pinion Control Group
| 1H***35 | Clutch And Starter Pinion Control Group | 1 |
6l6219 Clutch Assembly
| 6L***19 | Clutch Assembly | 1 |
2r6853 Clutch Assembly
| 2R***53 | Clutch Assembly | 1 |
Complete Gasoline Starting Engine Arrangement
| 1L***70 | Clutch Group | 1 |
| 6L***79 | Fuel System Group | 1 |
| 6L***86 | Starting Engine Installation Group | 1 |
Connecting Rod And Piston--2 Required
6l9015 Aftercooler Connections Group--Full Flow--Type 1
| 6L***15 | Connection Group-Aftercooler; Aftercooler Connections Group | 1 |
6l9015 Aftercooler Connections Group--Full Flow--Type 2
| 6L***15 | Connection Group-Aftercooler; Aftercooler Connections Group | 1 |
6l1791 Safety Alarm Contactor Group--Type 1
| 6L***91 | Contactor Group; Safety Shutoff Alarm Group | 1 |
3n6526 Contactor Group--Water Temperature And Oil Pressure
| 3N***26 | Contactor Group; Contactor Group | 1 |
6l1791 Safety Alarm Contactor Group--Type 2
| 6L***91 | Contactor Group; Safety Shutoff Alarm Group | 1 |
6l1791 Safety Alarm Contactor Group--Type 3
| 6L***91 | Contactor Group; Safety Shutoff Alarm Group | 1 |
3n6528 Contactor Mounting Group
| 3N***28 | Contactor Mounting Group | 1 |
7l5479 Generator Drive Coupling Group
| 7L***79 | Coupling Group-Drive | 1 |
5l3395 Flexible Coupling Group
| 5L***95 | Coupling Group-Flexible | 1 |
Crankshaft
Cylinder Block, Cylinder Head And Valve Mechanism--Part 1 Of 2
Cylinder Block, Cylinder Head And Valve Mechanism--Part 2 Of 2
3s5848 Regulator Assembly--Type 1
| 3S***48 | Differential Pressure Regulator Assembly | 1 |
3s5848 Regulator Assembly--Type 2
| 3S***48 | Differential Pressure Regulator Assembly | 1 |
3s3514 Regulator Assembly
| 3S***14 | Differential Pressure Regulator Assembly | 1 |
6l2211 Tachometer Drive Group
| 6L***11 | Drive Group-Tachometer; Tachometer Drive Group | 1 |
6l7261 Ebullient Cooling Conversion Arrangement
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 2 |
| 0S***17 | Stud Pipe Assembly To Oil Cooler Water Outlet | 1 |
| 1D***19 | Nut-Retainer To Fan Bracket Assembly | 1 |
6l7361 Ebullient Cooling Conversion Arrangement--Factory Installation
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 2 |
| 0S***17 | Stud Pipe Assembly To Oil Cooler Water Outlet | 1 |
| 1D***19 | Nut-Retainer To Fan Bracket Assembly | 1 |
6l7361 Ebullient Cooling Conversion Arrangement
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 2 |
| 0S***17 | Stud Pipe Assembly To Oil Cooler Water Outlet | 1 |
| 1D***19 | Nut-Retainer To Fan Bracket Assembly | 1 |
7l447 Exhaust Elbow Group--90 Degrees Bend--6 Inch
| 7L***47 | Elbow Group-Exhaust | 1 |
6l4665 Electric Motor Assembly--12 Volt
| 6L***65 | Electric Motor Assembly | 1 |
2l1704 Electric Starting Group--12 Volt--Type 1
| 2L***04 | Electric Starting Group | 1 |
6l5978 Electric Starting Group--12 Volt
| 6L***78 | Electric Starting Group | 1 |
2l1704 Electric Starting Group--12 Volt--Type 2
| 2L***04 | Electric Starting Group | 1 |
5l4405 Motor Assembly--32 Volt--R.H.--Part 1 Of 2--Type 2--Replaced By 8l8204 Shown On Pages 60b-4 Through 60c-2
| 5L***05 | Electric Starting Motor Assembly | 1 |
5l4405 Electric Starting Motor Assembly--32 Volt--R.H.--Part 1 Of 2--Type 3--Replaced By 8l8204 Shown
| 5L***05 | Electric Starting Motor Assembly | 1 |
5l4405 Electric Starting Motor Assembly--32 Volt--R.H.--Part 2 Of 2--Type 3--Replaced By 8l8204 Shown
| 5L***05 | Electric Starting Motor Assembly | 1 |
8l8204 Electric Starting Motor Assembly--32 Volt--R.H. & L.H.--Part 1 Of 2--Type 1
| 8L***04 | Electric Starting Motor Assembly | 1 |
5l4405 Motor Assembly--32 Volt--R.H.--Part 2 Of 2--Type 2--Replaced By 8l8204 Shown On Pages 60b-4 Through 60c-2
| 5L***05 | Electric Starting Motor Assembly | 1 |
8l8204 Electric Starting Motor Assembly--32 Volt--R.H. & L.H.--Part 1 Of 2--Type 2
| 8L***04 | Electric Starting Motor Assembly | 1 |
5l4405 Motor Assembly--32 Volt--R.H.--Part 2 Of 2--Type 1--Replaced By 8l8204 Shown On Pages 60b-4 Through 60c-2
| 5L***05 | Electric Starting Motor Assembly | 1 |
5l4405 Motor Assembly--32 Volt--R.H.--Part 1 Of 2--Type 1--Replaced By 8l8204 Shown On Pages 60b-4 Through 60c-2
| 5L***05 | Electric Starting Motor Assembly | 1 |
8l8204 Electric Starting Motor Assembly--32 Volt--R.H. And L.H.--Part 2 Of 2--Type 2
| 8L***04 | Electric Starting Motor Assembly | 1 |
8l8204 Electric Starting Motor Assembly--32 Volt--R.H. & L.H.--Part 2 Of 2--Type 1
| 8L***04 | Electric Starting Motor Assembly | 1 |
7l3084 Electric Tachometer Group--24 Or 32 Volt
| 5L***45 | Tachometer Assembly 24 Volt Or 32 Volt | 1 |
| 5L***52 | Sending Unit Assembly 12 Or 24 Volt | 1 |
| 7L***84 | Electronic Tachometers; Electric Tachometer Group 24 Volt | 1 |
7l3083 Electric Tachometer Group--12 Volt
| 5L***34 | Tachometer Assembly --12 Volt | 1 |
| 5L***52 | Sending Unit Assembly 12 Or 24 Volt | 1 |
| 7L***83 | Electronic Tachometers; Electric Tachometer Group 12 Volt | 1 |
6l2522 Enclosed Clutch Group
| 6L***22 | Enclosed Clutch Group | 1 |
5l2387 Engine Support Group
| 5L***87 | Engine Support Group | 1 |
2l774 Horizontal Exhaust Fitting Group
| 2L***74 | Exhaust Fitting Group | 1 |
5l1980 Fan Drive Group--Type 1
| 5L***80 | Fan Drive Group | 1 |
5l1980 Fan Drive Group--Type 2
| 5L***80 | Fan Drive Group | 1 |
3l6834 Blower Fan Group--54 Inch With 4 Inch Blades
| 3L***34 | Fan Group | 1 |
3l6835 Suction Fan Group--54 Inch With 4 Inch Blades
| 3L***35 | Fan Group | 1 |
6l3642 Exhaust Flange Group--8 Inch
| 6L***42 | Flange Group-Exhaust; Exhaust Flange Group | 1 |
5l8601 Exhaust Flange Group--6 Inch
| 5L***01 | Flange Group-Exhaust; Exhaust Flange Group | 1 |
6l3733 Flexible Exhaust Fitting Group--Horizontal
| 6L***33 | Flexible Exhaust Fitting Group | 1 |
5l5475 Flywheel Assembly--S.A.E. Standard Engine Rotation
| 5L***75 | Flywheel Assembly | 1 |
2l4426 Flywheel Clutch Assembly
| 2L***26 | Flywheel Clutch Assembly | 1 |
Flywheel (1n5760 N/S)--Type 2
| 1N***60 | Flywheel Group | 1 |
Flywheel (1n5760 N/S)--Type 1
| 1N***60 | Flywheel Group | 1 |
2n1007 Fresh Water Lines Group
| 2N***07 | Fresh Water Lines Group | 1 |
4l1138 Front Accessory Drive Group--Part 2 Of 2
| 4L***38 | Front Accessory Drive Group | 1 |
4l1138 Front Accessory Drive Group--Part 2 Of 2--Type 2
| 4L***38 | Front Accessory Drive Group | 1 |
4l1138 Front Accessory Drive Group--Part 1 Of 2-Type 1
| 4L***38 | Front Accessory Drive Group | 1 |
4l1138 Front Accessory Drive Group--Part 1 Of 2
| 4L***38 | Front Accessory Drive Group | 1 |
4l1138 Front Accessory Drive Group--Part 1 Of 2--Type 2
| 4L***38 | Front Accessory Drive Group | 1 |
4l1138 Front Accessory Drive Group--Part 2 Of 2-Type 1
| 4L***38 | Front Accessory Drive Group | 1 |
5l2402 Fuel System Group
| 5L***02 | Fuel System Group | 1 |
6l2579 Fuel System Group
| 6L***79 | Fuel System Group | 1 |
5l6452 Gas Pressure Regulator
| 5L***52 | Gas Pressure Regulator | 1 |
6l1848 Gas Pressure Regulator Group
| 6L***48 | Gas Pressure Regulator Group | 1 |
6l4224 Gas Pressure Regulator Group--Type 1
| 6L***24 | Gas Pressure Regulator Group | 1 |
6l4224 Gas Pressure Regulator Group--Type 2
| 6L***24 | Gas Pressure Regulator Group | 1 |
5l6451 Gas Pressure Regulator Group
| 5L***51 | Gas Pressure Regulator Group | 1 |
5l2400 Gasoline Starting Engine Arrangement
| 0S***92 | Bolt--Cover To Flywheel Housing | 3 |
| 1H***35 | Clutch And Starter Pinion Control Group | 1 |
| 1L***70 | Clutch Group | 1 |
5l5750 Generator Assembly--12 Volt, 35 Ampere
| 5L***50 | Generator Assembly | 1 |
5l2487 Generator Coupling Group
| 5L***87 | Generator Coupling Group | 1 |
5l1978 Generator Group--12 Volt, 35 Ampere--Type 2
| 5L***78 | Generator Group | 1 |
5l1978 Generator Group--12 Volt, 35 Ampere - Type 1
| 5L***78 | Generator Group | 1 |
5l2560 Generator Installation Arrangement--Type 4
| 5L***60 | Generator Installation Arrangement | 1 |
5l2560 Generator Installation Arrangement--Type 2
| 5L***60 | Generator Installation Arrangement | 1 |
5l2560 Generator Installation Arrangement - Type 1
| 5L***60 | Generator Installation Arrangement | 1 |
5l2560 Generator Installation Arrangement--Type 3
| 5L***60 | Generator Installation Arrangement | 1 |
3l8255 Woodward Governor--Part 1 Of 2
| 3L***55 | Governor | 1 |
3l8255 Woodward Governor--Part 2 Of 2
| 3L***55 | Governor | 1 |
3l8869 Governor Control Group--Positive Locking
| 3L***69 | Governor Control Group; Governor Control Group Between 72 & 73 | 1 |
4l6811 Governor Control Lever Group
| 4L***11 | Governor Control Lever Group; Governor Control Lever Group Shown Below | 1 |
5l9806 Governor Conversion Group--10% Regulation
| 5L***06 | Governor Conversion Group | 1 |
6l2440 Governor Conversion Group--10% Regulation
| 6L***40 | Governor Conversion Group | 1 |
8l8919 Woodward Governor Group
| 8L***19 | Governor Group-Woodward | 1 |
2l2040 Generator Coupling Guard Group
| 2L***40 | Guard Group-Coupling | 1 |
4l7604 Control Handle Group
| 4L***04 | Handle Group-Control; Governor Control Handle Group | 1 |
5l6505 Heat Exchanger Assembly
| 5L***05 | Heat Exchanger As | 1 |
5l6502 Heat Exchanger Assembly
| 5L***02 | Heat Exchanger Assembly | 1 |
7l490 Heat Exchanger Assembly
| 7L***90 | Heat Exchanger Assembly | 1 |
5l6504 Heat Exchanger Assembly
| 5L***04 | Heat Exchanger Assembly | 1 |
7l488 Heat Exchanger Assembly
| 7L***88 | Heat Exchanger Assembly | 1 |
Heat Exchanger Chart
7l489 Heat Exchanger Assembly
| 7L***89 | Heat Exchanger Group | 1 |
8l5340 Heat Exchanger Assembly
| 8L***40 | Heat Exchanger Group | 1 |
7l491 Heat Exchanger Assembly
| 7L***91 | Heat Exchanger Group | 1 |
4l4471 Ignition System Group--Type 2
| 4L***71 | Ignition System Group | 1 |
4l4471 Ignition System Group--Type 1
| 4L***71 | Ignition System Group | 1 |
4l4471 Ignition System Group--Type 3
| 4L***71 | Ignition System Group | 1 |
3n857 Junction Box Group
| 3N***57 | Junction Box Group; Junction Box Group | 1 |
5b7529 Line Pressure Regulator
| 5B***29 | Line Pressure Regulator | 1 |
4l9581 Vernier Control Link Group
| 4L***81 | Link Group | 1 |
4n7556 Air Motor Lubricator Group
| 4N***56 | Lubricator Group-Air Motor | 1 |
3h3171 Air Motor--S.A.E. Standard Engine Rotation--Type 1
3h3171 Air Motor--S.A.E. Standard Engine Rotation--Type 2
8m9145 Magneto Assembly
| 8M***45 | Magneto Assembly | 1 |
3s2987 Magneto Assembly
| 3S***87 | Magneto Assembly | 1 |
1s3350 Magneto Assembly
| 1S***50 | Magneto Assembly | 1 |
5l5907 Manifold And Carburetor Group
| 5L***07 | Manifold And Carburetor Group | 1 |
2n6691 Water Cooled Manifold Group--Type 2
| 2N***91 | Manifold Group-Water Cooled Exh; Water Cooled Manifold Group | 1 |
2n6691 Water Cooled Manifold Group--Type 1
| 2N***91 | Manifold Group-Water Cooled Exh; Water Cooled Manifold Group | 1 |
9m7894 Manual Starting Crank Group
| 9M***94 | Manual Starting Crank Group | 1 |
Mechanical Tachometers
| 3M***66 | Tachometer | 1 |
| 5L***75 | Flexible Shaft-- 15 Foot; Flexible Shaft --15 Foot | 1 |
| 5L***64 | Drive Group-Tachometer | 1 |
3l2443 Electric Starting Motor--12 Volt
6l6731 Motor Assembly--S.A.E. Standard Engine Rotation--Type 2
| 6L***31 | Motor As-Air | 1 |
6l6731 Motor Assembly--S.A.E. Standard Engine Rotation--Type 1
| 6L***31 | Motor As-Air | 1 |
8l5939 Motor Assembly--32 Volt--R.H.--Part 1 Of 2--Type 1--Replaced By 8l5937 Shown On Pages 60a-3 Through 60a-4b
| 8L***39 | Motor As-Electric Starting | 1 |
8l5939 Motor Assembly--32 Volt--R.H.--Part 2 Of 2--Type 1--Replaced By 8l5937 Shown On Pages 60a-3 Through 60a-4b
| 8L***39 | Motor As-Electric Starting | 1 |
8l5939 Motor Assembly--32 Volt--R.H.--Part 1 Of 2--Type 2--Replaced By 8l5937 Shown On Pages 60a-3 Through 60a-4b
| 8L***39 | Motor As-Electric Starting | 1 |
8l5939 Motor Assembly--32 Volt--R.H.--Part 2 Of 2--Type 2--Replaced By 8l5937 Shown On Pages 60a-3 Through 60a-4b
| 8L***39 | Motor As-Electric Starting | 1 |
5l5354 Motor Assembly--32 Volt--L.H.--Part 2 Of 2
| 5L***54 | Motor Assembly--L.H. | 1 |
5l5354 Motor Assembly--32 Volt--L.H.--Part 1 Of 2
| 5L***54 | Motor Assembly--L.H. | 1 |
5l7268 Electric Starting Motor Assembly--32 Volt--R.H.--Part 2 Of 2--Type 2
| 5L***68 | Motor Assembly--R.H.,Motor Assembly--L.H. | 1 |
5l7268 Motor Assembly--32 Volt--R.H.--Part 1 Of 2--Type 1
| 5L***82 | Motor Assembly--R.H.,Motor Assembly--L.H. | 1 |
5l7268 Motor Assembly--32 Volt--R.H.--Part 2 Of 2--Type 1
| 5L***82 | Motor Assembly--R.H.,Motor Assembly--L.H. | 1 |
5l7268 Electric Starting Motor Assembly--32 Volt--R.H.--Part 1 Of 2--Type 2
| 5L***82 | Motor Assembly--R.H.,Motor Assembly--L.H. | 1 |
7l6913 Air Starting Motor Group--S.A.E. Opposite Standard Engine Rotation--R.H.--Replaced By 3n9500 Shown On Page 60u-2
| 7L***13 | Motor Group-Air Starting | 1 |
7l6916 Air Starting Motor Group--S.A.E. Standard Engine Rotation--L.H.--Replaced By 3n9497 Shown On Page 60u-4
| 7L***16 | Motor Group-Air Starting | 1 |
7l6915 Air Starting Motor Group--S.A.E. Opposite Standard Engine Rotation--L.H.--Replaced By 3n9498 Shown On Page 60u-3
| 7L***15 | Motor Group-Air Starting | 1 |
3n9412 Air Starting Motor Group--L.H.--S.A.E. Opposite Standard Engine Rotation
| 3N***12 | Motor Group-Air Starting | 1 |
3h3170 Air Motor--S.A.E. Opposite Standard Engine Rotation
| 3H***70 | Motor Group-Air Starting | 1 |
7l6914 Air Starting Motor Group--S.A.E. Standard Engine Rotation--R.H.--Replaced By 3n9499 Shown On Page 60u-1
| 7L***14 | Motor Group-Air Starting | 1 |
3n7350 Alternator Mounting Group--Type 2
| 3N***50 | Mounting Group-Alternator | 1 |
3n7350 Alternator Mounting Group--Type 1
| 3N***50 | Mounting Group-Alternator | 1 |
3n7673 Glow Plug Mounting Group
| 3N***73 | Mounting Group-Glow Plug | 1 |
5l2381 Radiator Mounting Group--Front View
| 5L***81 | Mounting Group-Radiator | 1 |
7l4535 Tachometer Mounting Group
| 7L***35 | Mounting Group-Tachometer; Tachometer Mounting Group[[75 | 1 |
6l5864 Oil Cooler Lines Group--Type 2
| 6L***64 | Oil Cooler Lines Group | 1 |
6l5864 Oil Cooler Lines Group--Type 1
| 6L***64 | Oil Cooler Lines Group | 1 |
2h7664 Oil Pump Assembly--Type 1
| 2H***64 | Oil Pump Assembly | 1 |
9m1713 Oil Pump Assembly
| 9M***13 | Oil Pump Assembly | 1 |
2h7664 Oil Pump Assembly--Type 2
| 2H***64 | Oil Pump Assembly | 1 |
2n4673 Overspeed Contactor Group
| 2N***73 | Overspeed Safety Contactor Group | 1 |
6l1893 Overspeed Safety Contactor Group
| 6L***93 | Overspeed Safety Contactor Group | 1 |
3n6384 Overspeed Contactor Group
| 3N***84 | Overspeed Safety Contactor Group | 1 |
7l7366 Overspeed Safety Contactor Group
| 7L***66 | Overspeed Safety Contactor Group | 1 |
1n9969 Instrument Panel Group
| 1N***69 | Panel Group-Instrument | 1 |
3n7679 Glow Plug Group--24 Volt--4 Required
| 3N***79 | Plug Group-Glow | 1 |
3n7680 Glow Plug Group--32 Volt--4 Required
| 3N***80 | Plug Group-Glow | 1 |
6l8549 Power Take-Off Group--Front Clutch--Type 3
| 6L***49 | Power Take-Off Group-Front | 1 |
6l8549 Power Take-Off Group--Front Clutch--Type 1
| 6L***49 | Power Take-Off Group-Front | 1 |
6l8549 Power Take-Off Group--Front Clutch--Type 2
| 6L***49 | Power Take-Off Group-Front | 1 |
6l6220 Enclosed Clutch Group--Type 1
| 6L***20 | Power Take-Off Group-Rear | 1 |
6l6220 Enclosed Clutch Group--Type 2
| 6L***20 | Power Take-Off Group-Rear | 1 |
2s5651 Precleaner Assembly
| 2S***51 | Precleaner As; -Air Cleaner | 1 |
5l4157 Air Precleaner Group--Full View
| 5L***57 | Precleaner Group | 1 |
7l8674 Air Precleaner And Mounting Group
| 7L***74 | Precleaner Group | 1 |
2n9507 Auxiliary Pump Arrangement--Fresh Water
| 0S***71 | Screw,Cap,Hexagon; Tube Assembly To Turbocharger And Elbow Mounting | 4 |
| 0S***87 | Bolt-Bracket Assembly To Timing Gear | 3 |
| 0S***88 | Bolt,Machine; Hose Assembly Mounting,Hose Assembly To Transmission,And To Torque Converter | 4 |
2n955 Fresh Water Pump Group
| 2N***55 | Pump Group-Fresh Water | 1 |
5l2451 Radiator Assembly--Type 2
| 5L***51 | Radiator As | 1 |
5l2451 Radiator Assembly--Type 1
| 5L***51 | Radiator As | 1 |
5l2382 Radiator Group--Type 3
| 5L***82 | Radiator Group | 1 |
5l2382 Radiator Group--Type 2
| 5L***82 | Radiator Group | 1 |
5l2382 Radiator Group
| 5L***82 | Radiator Group | 1 |
2n3912 Engine And Generator Support Rails Group
| 2N***12 | Rail Group-Engine & Gen Support | 1 |
4l9622 Engine Support Rails Group
| 4L***22 | Rail Group-Engine Support | 1 |
5l5356 Aftercooler Assembly
| 5L***56 | Raw Water Aftercooler Assembly | 1 |
5l6802 Raw Water Lines Group
| 5L***02 | Raw Water Lines Group | 1 |
6l4770 Raw Water Lines Group
| 6L***70 | Raw Water Lines Group | 1 |
6l8995 Raw Water Lines Group
| 6L***95 | Raw Water Lines Group | 1 |
5l1651 Auxiliary Water Pump Group
| 5L***51 | Raw Water Pump Group; Auxiliary Water Pump Group | 1 |
6l4754 Raw Water Pump Group--Type 1
| 6L***54 | Raw Water Pump Group; Sea Water Pump Group | 1 |
6l4754 Raw Water Pump Group--Type 2
| 6L***54 | Raw Water Pump Group; Sea Water Pump Group | 1 |
6l4754 Raw Water Pump Group--Type 3
| 6L***54 | Raw Water Pump Group; Sea Water Pump Group | 1 |
1s7874 Regulator Assembly
| 1S***74 | Regulator Assembly | 1 |
3s5858 Differential Pressure Regulator Assembly--Type 2
| 3S***58 | Regulator Assembly | 1 |
3s5858 Differential Pressure Regulator Assembly--Type 1
| 3S***58 | Regulator Assembly | 1 |
2n1309 Gas Pressure Regulator Group--Type 1
| 2N***09 | Regulator Group; Gas Pressure Regulator Group | 1 |
2n1309 Gas Pressure Regulator Group--Type 2
| 2N***09 | Regulator Group; Gas Pressure Regulator Group | 1 |
8l5039 Oil Level Regulator Group
| 8L***39 | Regulator Group-Oil Level | 1 |
3n4181 Governor Upper Drive Housing Service Group
| 3N***81 | Service Group | 1 |
6l2690 Stub Shaft Group--Front Mounted
| 6L***90 | Shaft Group-Stub | 1 |
6l2709 Stub Shaft Group--Rear Mounted
| 6L***09 | Shaft Group-Stub | 1 |
2n6743 Turbocharger Heat Shield Group
| 2N***43 | Shield Group-Turbocharger; Turbocharger Heat Shield Group | 1 |
6l6321 Oil Pressure And Water Temperature Shut-Off Arrangement
| 2L***65 | Terminal; (10-Ga To 12-Ga)(Relay Switch "C" & "B") | 6 |
| 2L***74 | Terminal; (14-Ga To 16-Ga, No. 6 Screw)(Water Temp Switch) | 4 |
| 2L***75 | Terminal; (14-Ga To 16-Ga, No. 8 Screw)(Relay Switch "B" & "S") | 21 |
3n9492 Air Starting Silencer Group
| 3N***92 | Silencer Group-Air Starting | 1 |
2l1618 Starting Crank Group
| 2L***18 | Starting Crank Group | 1 |
6l2586 Starting Engine Installation Group
| 0L***70 | Bolt (2-1/4") Filler Tube Assembly To Transfer Drive Case | 2 |
| 0S***87 | Bolt-Bracket Assembly To Timing Gear | 8 |
| 0S***95 | Bolt 1.25 In. (31.75 mm) Long Guard Assemblies To Radiator Guard | 4 |
8l5937 Motor Assembly--32 Volt--L.H.--Part 2 Of 2--Type 1
| 8L***37 | Starting Motor As-Electric | 1 |
8l5937 Motor Assembly--32 Volt--L.H.--Part 2 Of 2--Type 2
| 8L***37 | Starting Motor As-Electric | 1 |
8l5937 Motor Assembly--32 Volt--L.H.--Part 1 Of 2--Type 2
| 8L***37 | Starting Motor As-Electric | 1 |
8l5937 Motor Assembly--32 Volt--L.H.--Part 1 Of 2--Type 1
| 8L***37 | Starting Motor As-Electric | 1 |
8l6205 Motor Assembly--32 Volt--R.H. & L.H.--Part 2 Of 2
| 8L***05 | Starting Motor As-Electric | 1 |
8l6205 Motor Assembly--32 Volt--R.H. & L.H.--Part 1 Of 2
| 8L***05 | Starting Motor As-Electric | 1 |
3n9500 Air Starting Motor Group--R.H.--S.A.E. Opposite Standard Engine Rotation
| 3N***00 | Starting Motor Group-Air | 1 |
3n9413 Air Starting Motor Group--R.H.--S.A.E. Standard Engine Rotation
| 3N***13 | Starting Motor Group-Air | 1 |
3n9497 Air Starting Motor Group--L.H.--S.A.E. Standard Engine Rotation
| 3N***97 | Starting Motor Group-Air | 1 |
3n9499 Air Starting Motor Group--R.H.--S.A.E. Standard Engine Rotation
| 3N***99 | Starting Motor Group-Air | 1 |
3n9411 Air Starting Motor Group--L.H.--S.A.E. Standard Engine Rotation
| 3N***11 | Starting Motor Group-Air | 1 |
3n9414 Air Starting Motor Group--R.H.--S.A.E. Opposite Standard Engine Rotation
| 3N***14 | Starting Motor Group-Air | 1 |
3n9498 Air Starting Motor Group--L.H.--S.A.E. Opposite Standard Engine Rotation
| 3N***98 | Starting Motor Group-Air | 1 |
6l2747 Electric Starting Group--32 Volt--S.A.E. Standard Engine Rotation--Type 2
| 6L***47 | Starting Motor Group-Electric | 1 |
6l1550 Single Starting Motor Group--32 Volt
| 6L***50 | Starting Motor Group-Electric; Single Motor Electric Starting Group | 1 |
6l2747 Electric Starting Group--32 Volt--S.A.E. Standard Engine Rotation--Type 1
| 6L***47 | Starting Motor Group-Electric | 1 |
3n742 Electric Starting Motor Group--32 Volt
| 3N***42 | Starting Motor Group-Electric; Electric Starting Motor Group | 1 |
6l2748 Electric Starting Group--32 Volt--S.A.E. Opposite Standard Engine Rotation--Type 2
| 6L***48 | Starting Motor Group-Electric | 1 |
6l2748 Electric Starting Group--32 Volt--S.A.E. Opposite Standard Engine Rotation--Type 1
| 6L***48 | Starting Motor Group-Electric | 1 |
2n5857 Support Group
| 2N***57 | Support Group | 1 |
2n5857 Support Group--Type 2
| 2N***57 | Support Group | 1 |
5l2745 Surge Tank And Water Lines Group--Type 3
| 5L***45 | Surge Tank And Water Lines Group | 1 |
5l2745 Surge Tank And Water Lines Group--Type 4
| 5L***45 | Surge Tank And Water Lines Group | 1 |
5l2745 Surge Tank And Water Lines Group--Type 2
| 5L***45 | Surge Tank And Water Lines Group | 1 |
5l2745 Surge Tank And Water Lines Group--Type 5
| 5L***45 | Surge Tank And Water Lines Group | 1 |
5l2745 Surge Tank And Water Lines Group-Type 1
| 5L***45 | Surge Tank And Water Lines Group | 1 |
5l8595 Solenoid Switch Assembly--Type 2
| 5L***95 | Switch As-Solenoid | 1 |
5l8595 Solenoid Switch Assembly--Type 1
| 5L***95 | Switch As-Solenoid | 1 |
4l2353 Electric Tachometer Group--Type 1
| 4L***53 | Tachometer Group-Electric; Electric Tachometer Group | 1 |
4l2353 Electric Tachometer Group--Type 2
| 4L***53 | Tachometer Group-Electric; Electric Tachometer Group | 1 |
7n1269 Terminal Assembly
| 7N***69 | Terminal & Plate As | 1 |
1l6562 Thermometer Group
| 1L***62 | Thermometer Group | 1 |
2l2816 Transmission And Starter Pinion Group--S.A.E. Opposite Standard Engine Rotation--End View--Part 2 Of 2
| 2L***16 | Transmission And Starter Pinion Group | 1 |
6l2669 Transmission And Starter Pinion Group--S.A.E. Standard Engine Rotation--End View--Part 2 Of 2
| 6L***69 | Transmission And Starter Pinion Group | 1 |
1l9704 Transmission And Starter Pinion Group--S.A.E. Standard Engine Rotation--End View - Part 2 Of 2
| 1L***04 | Transmission And Starter Pinion Group | 1 |
6l2668 Transmission And Starter Pinion Group--S.A.E. Opposite Standard Engine Rotation--Side View--Part 1 Of 2
| 6L***68 | Transmission And Starter Pinion Group | 1 |
6l2668 Transmission And Starter Pinion Group--S.A.E. Opposite Standard Engine Rotation--End View--Part 2 Of 2
| 6L***68 | Transmission And Starter Pinion Group | 1 |
1l9704 Transmission And Starter Pinion Group--S.A.E. Standard Engine Rotation--Side View--Part 1 Of 2
| 1L***04 | Transmission And Starter Pinion Group | 1 |
6l2669 Transmission And Starter Pinion Group--S.A.E. Standard Engine Rotation--Side View--Part 1 Of 2
| 6L***69 | Transmission And Starter Pinion Group | 1 |
2l2816 Transmission And Starter Pinion Group--S.A.E. Opposite Standard Engine Rotation--Side View--Part 1 Of 2
| 2L***16 | Transmission And Starter Pinion Group | 1 |
6l1761 Turbocharged And Aftercooled Conversion Arrangement
| 2N***55 | Pump Group-Fresh Water | 1 |
| 2N***07 | Fresh Water Lines Group | 1 |
| 2N***09 | Regulator Group; Gas Pressure Regulator Group | 1 |
2n7314 Turbocharger And Mounting Group
| 2N***14 | Turbocharger & Mounting Group; Turbocharger And Mounting Group | 1 |
6l4041 Turbocharger And Mounting Group--Type 2
| 6L***41 | Turbocharger And Mounting Group | 1 |
6l7723 Turbocharger And Mounting Group--Type 1
| 6L***23 | Turbocharger And Mounting Group | 1 |
6l4041 Turbocharger And Mounting Group--Type 1
| 6L***41 | Turbocharger And Mounting Group | 1 |
6l7723 Turbocharger And Mounting Group--Type 2
| 6L***23 | Turbocharger And Mounting Group | 1 |
6l4041 Turbocharger And Mounting Group--Type 6
| 6L***41 | Turbocharger And Mounting Group | 1 |
6l4041 Turbocharger And Mounting Group--Type 4
| 6L***41 | Turbocharger And Mounting Group | 1 |
6l4041 Turbocharger And Mounting Group--Type 3
| 6L***41 | Turbocharger And Mounting Group | 1 |
6l4041 Turbocharger And Mounting Group--Type 5
| 6L***41 | Turbocharger And Mounting Group | 1 |
3s4436 Turbocharger Assembly--2 Assemblies Required
| 3S***36 | Turbocharger Assembly | 1 |
3s4434 Turbocharger Assembly--2 Assemblies Required
| 3S***34 | Turbocharger Assembly | 1 |
3s4438 Turbocharger Assembly--2 Assemblies Required
| 3S***38 | Turbocharger Assembly | 1 |
8m7148 Turbocharger Assembly--2 Assemblies Required--Type 2
| 8M***48 | Turbocharger Assembly | 1 |
8m9200 Turbocharger Assembly--2 Assemblies Required--Type 1
| 8M***00 | Turbocharger Assembly | 1 |
8m7148 Turbocharger Assembly--2 Assemblies Required--Type 1
| 8M***48 | Turbocharger Assembly | 1 |
3s4423 Turbocharger Assembly
| 3S***23 | Turbocharger Assembly | 1 |
8m9074 Turbocharger Assembly--2 Assemblies Required--Type 2
| 8M***74 | Turbocharger Assembly | 1 |
3s4440 Turbocharger Assembly--2 Assemblies Required
| 3S***40 | Turbocharger Assembly | 1 |
3s4435 Turbocharger Assembly--2 Assemblies Required
| 3S***35 | Turbocharger Assembly | 1 |
8m9073 Turbocharger Assembly--2 Assemblies Required--Type 1
| 8M***73 | Turbocharger Assembly | 1 |
8m7147 Turbocharger Assembly--2 Assemblies Required--Type 1
| 8M***47 | Turbocharger Assembly | 1 |
8m9200 Turbocharger Assembly--2 Assemblies Required--Type 2
| 8M***00 | Turbocharger Assembly | 1 |
3s4439 Turbocharger Assembly--2 Assemblies Required
| 3S***39 | Turbocharger Assembly | 1 |
8m7147 Turbocharger Assembly--2 Assemblies Required--Type 2
| 8M***47 | Turbocharger Assembly | 1 |
8m9073 Turbocharger Assembly--2 Assemblies Required--Type 2
| 8M***73 | Turbocharger Assembly | 1 |
8m7149 Turbocharger Assembly--2 Assemblies Required--Type 1
| 8M***49 | Turbocharger Assembly | 1 |
1s9490 Turbocharger Assembly
| 1S***90 | Turbocharger Assembly | 1 |
8m9187 Turbocharger Assembly--2 Assemblies Required--Type 2
| 8M***87 | Turbocharger Assembly | 1 |
8m9074 Turbocharger Assembly--2 Assemblies Required--Type 1
| 8M***74 | Turbocharger Assembly | 1 |
3s4437 Turbocharger Assembly--2 Assemblies Required
| 3S***37 | Turbocharger Assembly | 1 |
8m9817 Turbocharger Assembly--2 Assemblies Required--Type 1
| 8M***17 | Turbocharger Assembly | 1 |
8m7149 Turbocharger Assembly--2 Assemblies Required--Type 2
| 8M***49 | Turbocharger Assembly | 1 |
1p3954 Turbocharger Cartridge Assembly
| 1P***54 | Turbocharger Cartridge Assembly | 1 |
1p6083 Turbocharger Group
| 1P***83 | Turbocharger Group | 1 |
6l3221 Turbocharger Heat Shield Group
| 6L***21 | Turbocharger Heat Shield Group | 1 |
6l3221 Turbocharger Heat Shield Group--Type 2
| 6L***21 | Turbocharger Heat Shield Group | 1 |
6l3175 Turbocharger Lubrication Valve Group--Type 1
| 6L***75 | Turbocharger Lubrication Valve Group | 1 |
8l4240 Turbocharger Lubrication Valve Group
| 8L***40 | Turbocharger Lubrication Valve Group | 1 |
6l3175 Turbocharger Lubrication Valve Group--Type 2
| 6L***75 | Turbocharger Lubrication Valve Group | 1 |
5l7320 Turbocharger Lubrication Valve Group
| 5L***20 | Turbocharger Lubrication Valve Group | 1 |
5l3474 Turbocharger Mounting Group--Type 1
| 5L***74 | Turbocharger Mounting Group | 1 |
5l3474 Turbocharger Mounting Group--Type 2
| 5L***74 | Turbocharger Mounting Group | 1 |
3n9501 Regulator And Pressure Reducing Valve Group
| 3N***01 | Valve Group-Air Starting | 1 |
7l6911 Regulating And Pressure Reducing Valve Group--Replaced By
| 7L***11 | Valve Group-Air Starting | 1 |
1l2073 Regulating Valve
| 1L***73 | Valve Group-Pressure Reducing; -Rh | 1 |
8l3421 Turbocharger Lubrication Valve Group--Type 2
| 8L***21 | Valve Group-Turbo Lubrication; Turbocharger Lubrication Valve Group | 1 |
8l3421 Turbocharger Lubrication Valve Group--Type 1
| 8L***21 | Valve Group-Turbo Lubrication; Turbocharger Lubrication Valve Group | 1 |
3l9922 Valve
| 3L***22 | Valve Group-Whistle | 1 |
5l2294 Water Lines Group
| 5L***94 | Water Lines Group | 1 |
6l2601 Water Lines Group
| 6L***01 | Water Lines Group | 1 |
6l5521 Water Lines Group--Part 1 Of 2
| 6L***21 | Water Lines Group | 1 |
6l5521 Water Lines Group--Part 2 Of 2
| 6L***21 | Water Lines Group | 1 |
2l1630 Water Pump Group
| 2L***30 | Water Pump Group | 1 |
8l4849 Wiring Group
| 1H***66 | Clip-Wire Provides Loose Parts | 10 |
| 2H***43 | Marker (Wire Code) | 1 |
| 2H***65 | Connector--Wire | 2 |
6l4407 Wiring Kit Group
| 2L***49 | Terminal-Ring 6 Ga. (No. 10 Screw) | 1 |
| 2L***51 | Terminal-Ring; (6-Ga, 5/16-In Screw) | 1 |
| 2L***52 | Terminal; (6-Ga, 3/8-In)(6 Gauge/9.53mm(.375in)Screw) | 1 |
6l4246 Governor Assembly
| 6L***46 | Woodward Governor Assembly | 1 |
2n7095 Woodward Governor Conversion Arrangement
| 2N***57 | Support Group | 1 |
| 2N***58 | Carburetor Control Group | 1 |
| 2N***58 | Woodward Governor Group | 1 |
7l4482 Woodward Governor Group--Type 1
| 7L***82 | Woodward Governor Group | 1 |
5l8036 Woodward Governor Group--Type 2
| 5L***36 | Woodward Governor Group | 1 |
2n6958 Woodward Governor Group
| 2N***58 | Woodward Governor Group | 1 |
5l8036 Woodward Governor Group--Type 3
| 5L***36 | Woodward Governor Group | 1 |
7l4482 Woodward Governor Group--Type 2
| 7L***82 | Woodward Governor Group | 1 |
5l8036 Woodward Governor Group--Type 1
| 5L***36 | Woodward Governor Group | 1 |
Engine
Air Filter Indicator (2n3324 N/S)--2 Required
| 2N***24 | Gauge Group-Air Cleaner | 1 |
Instrument Shut-Off Panel (1n5952 N/S)
| 1N***52 | Panel Group-Instrument | 1 |
6l5757 Instrument Panel Group
| 6L***57 | Panel Group-Instrument | 1 |
Air Cleaner And Exhaust Pipe (5l5259 N/S)
| 5L***59 | Air Cleaner & Exh Stack Group | 1 |
Air Cleaner And Exhaust Pipe
4l4721 Air Cleaner Assembly
| 4L***21 | Air Cleaner As | 1 |
Balancer
Balancer (4l8787 N/S)
| 4L***87 | Balancer Group | 1 |
Breather (6l5666 N/S)
| 6L***66 | Breather | 1 |
Breather
Camshaft
Camshaft (4l8788 N/S)
| 4L***88 | Camshaft Group | 1 |
Carburetor
6l3383 Carburetor Assembly--R.H.
| 6L***83 | Carburetor As | 1 |
6l3384 Carburetor Assembly--L.H.
| 6L***84 | Carburetor As | 1 |
5l7576 Carburetor Assembly--L.H.
| 5L***76 | Carburetor Assembly--L.H. | 1 |
5l7575 Carburetor Assembly--R.H.
| 5L***75 | Carburetor Assembly--R.H. | 1 |
Carburetor Control
Carburetor Control (6l4961 N/S)
| 6L***61 | Carburetor Control | 1 |
Connecting Rod And Piston--8 Required
Carburetor Control (2n5910 N/S)
| 2N***10 | Control Group-Carburetor | 1 |
Governor Control (7l534 N/S)--Type 1
| 7L***34 | Control Group-Governor | 1 |
Governor Control (7l534 N/S)--Type 2
| 7L***34 | Control Group-Governor | 1 |
2n3861 Ignition Conversion Group--Field Installation--Type 2
| 2N***61 | Conversion Group-Ignition | 1 |
2n3861 Ignition Conversion Group--Field Installation--Type 1
| 2N***61 | Conversion Group-Ignition | 1 |
Crankshaft
Crankshaft (4l8791 N/S)
| 4L***91 | Crankshaft Group | 1 |
Cylinder Block And Covers--Front View-Part 2 Of 2
Cylinder Block And Covers--Side View--Part 1 Of 2
Cylinder Block And Covers--Front View--Part 2 Of 2
4l8792 Cylinder Block And Covers Group--Side View--Type 2-Part 1 Of 2
| 4L***92 | Cylinder Block And Covers Group | 1 |
4l8792 Cylinder Block And Covers Group--Side View--Type 1-Part 1 Of 2
| 4L***92 | Cylinder Block And Covers Group | 1 |
4l8792 Cylinder Block And Covers Group--Front View--Type 1-Part 2 Of 2
| 4L***92 | Cylinder Block And Covers Group | 1 |
4l8792 Cylinder Block And Covers Group--Front View--Type 2-Part 2 Of 2
| 4L***92 | Cylinder Block And Covers Group | 1 |
Cylinder Head And Valve Mechanism--Part 2 Of 2
Cylinder Head And Valve Mechanism (5l5232 N/S)--Part 1 Of 2
| 5L***32 | Cylinder Head And Valve Mechanism | 1 |
Cylinder Head And Valve Mechanism (5l5232 N/S)--Part 2 Of 2
| 5L***32 | Cylinder Head And Valve Mechanism | 1 |
Cylinder Head And Valve Mechanism--Part 1 Of 2
Magneto Drive (2n2479 N/S)
| 2N***79 | Drive Group-Magneto | 1 |
Magneto Drive (6l3538 N/S)
| 6L***38 | Drive Group-Magneto | 1 |
Flywheel
Flywheel (5l1955 N/S)
| 5L***55 | Flywheel Group; Flywheel Group | 1 |
Front Accessory Drive--Part 1 Of 2
Front Accessory Drive--Part 2 Of 2
5l6800 Front Accessory Drive Group--Part 2 Of 2
| 5L***00 | Front Accessory Drive Group | 1 |
5l6800 Front Accessory Drive Group--Part 1 Of 2
| 5L***00 | Front Accessory Drive Group | 1 |
Gasket Kits
| 2S***21 | Natural Gas Complete | 0 |
| 3S***03 | Gasoline Starting Engine Basic | 0 |
| 3S***08 | Gasoline Starting Engine Supplementary | 0 |
5l9894 Instrument Group--12 Volt
| 5L***94 | Gauge Group; -Oil Pressure, Water Temperature | 1 |
5l9895 Instrument Group--24 Or 32 Volt
| 5L***95 | Gauge Group; -Engine Oil Pressure, Water Temperature | 1 |
Governor And Magneto Drive--Part 2 Of 2
Governor And Magneto Drive--Part 1 Of 2
Governor Control
Governor Drive (7l909 N/S)--Part 1 Of 2
| 7L***09 | Governor Drive | 1 |
Governor Drive (7l909 N/S)--Part 2 Of 2
| 7L***09 | Governor Drive | 1 |
Governor Drive (6l5725 N/S)--Part 2 Of 2
| 6L***25 | Governor Drive | 1 |
Governor Drive--Part 1 Of 2
Governor Drive (6l5725 N/S)--Part 1 Of 2
| 6L***25 | Governor Drive | 1 |
Governor Drive--Part 2 Of 2
7l4352 Governor Group--Part 1 Of 3
| 7L***52 | Governor Group | 1 |
7l4352 Governor Group--Part 2 Of 3
| 7L***52 | Governor Group | 1 |
7l4352 Governor Group--Part 3 Of 3
| 7L***52 | Governor Group | 1 |
2n2383 Ignition System Group--Solid State
| 2N***83 | Ignition Group | 1 |
5l3472 Ignition System Group
| 5L***72 | Ignition Group | 1 |
6l5761 Ignition System Group
| 6L***61 | Ignition System Group | 1 |
6l2861 Ignition System Group
| 6L***61 | Ignition System Group | 1 |
5l7477 Instrument Shut-Off Panel Group
| 5L***77 | Instrument Panel Group | 1 |
Lifting Eye (6l5600 N/S)
| 6L***00 | Lifting Eye | 1 |
5l9419 Magneto Assembly--2 Assemblies Required
| 5L***19 | Magneto | 1 |
7l3032 Magneto Assembly--2 Required--Type 2
| 7L***32 | Magneto As | 1 |
7l3032 Magneto Assembly--2 Required--Type 1
| 7L***32 | Magneto As | 1 |
6l2833 Magneto Assembly--2 Assemblies Required
| 6L***33 | Magneto Assembly | 1 |
7l3033 Magneto Assembly--2 Required--Field Installation--Type 2
| 7L***33 | Magneto Assembly | 1 |
6l3511 Magneto Assembly--2 Assemblies Required
| 6L***11 | Magneto Assembly | 1 |
7l3033 Magneto Assembly--2 Required--Field Installation--Type 1
| 7L***33 | Magneto Assembly | 1 |
Magneto Drive
3n524 Magneto Group--Type 2
| 3N***24 | Magneto Group | 1 |
3n524 Magneto Group--Type 1
| 3N***24 | Magneto Group | 1 |
Manifolds (5l3430 N/S)
| 5L***30 | Manifolds | 1 |
Manifolds
Manifolds (2n6583 N/S)
| 2N***83 | Manifolds | 1 |
5l3460 Governor Group--Part 2 Of 3
| 5L***60 | Mechanical Governor Group | 1 |
5l3460 Governor Group--Part 3 Of 3
| 5L***60 | Mechanical Governor Group | 1 |
5l3460 Governor Group--Part 1 Of 3
| 5L***60 | Mechanical Governor Group | 1 |
2n8376 Service Meter Group
| 2N***76 | Meter Group-Service | 1 |
Oil Cooler And Lines--Part 1 Of 2
Oil Cooler And Lines (6l1785 N/S)--Part 2 Of 2
| 6L***85 | Oil Cooler And Lines | 1 |
Oil Cooler And Lines--Part 2 Of 2
Oil Cooler And Lines (6l1785 N/S)--Part 1 Of 2
| 6L***85 | Oil Cooler And Lines | 1 |
3n4631 Oil Filter Change Indicator Group--Field Installation
| 3N***31 | Oil Filter Change Indicator | 1 |
6l1583 Oil Filter Group
| 6L***83 | Oil Filter Group | 1 |
Oil Pan Base
2n2883 Oil Pump Assembly
| 2N***83 | Oil Pump Assembly | 1 |
6l3553 Oil Pump Assembly
| 6L***53 | Oil Pump Assembly | 1 |
5l5993 Oil Pump Assembly
| 5L***93 | Oil Pump Assembly | 1 |
4l8800 Water Pump Group
| 4L***00 | Pump Group-Water; Fresh Water Pump Group | 1 |
5l2591 Regulator Assembly
| 5L***91 | Regulator Assembly | 1 |
5n3090 Elbow Replacement Group--Oil Cooler
| 0L***43 | Bolt 63.5 mm (3/8" X 2 1/2" -Cover Assembly To Fender | 2 |
| 0S***91 | Screw,Cap,Hexagon Bearing Retainer; Part Of Kit P/N 1w***82 | 2 |
| 3L***08 | Spacer-Bracket To Cylinder Block Cover; Spacer Bracket To Cylinder Block Cover | 2 |
Service Meter
Service Meter (6l2987 N/S)
| 6L***87 | Service Meter | 1 |
6l2965 Service Meter Group
| 6L***65 | Service Meter Group | 1 |
5l5503 Tachometer Drive Group
| 5L***03 | Tachometer Drive Group | 1 |
Water Lines (4l1148 N/S)
| 4L***48 | Water Lines | 1 |
Generators
1n8507 Exciter And Regulator Assembly--Part 2 Of 2--Type 1
| 1N***07 | Exciter & Regulator As | 1 |
3n4692 Exciter And Regulator Assembly--Part 1 Of 2
| 3N***92 | Exciter & Regulator As | 1 |
1n8507 Exciter And Regulator Assembly--Part 2 Of 2--Type 2
| 1N***07 | Exciter & Regulator As | 1 |
3n4692 Exciter And Regulator Assembly--Part 2 Of 2
| 3N***92 | Exciter & Regulator As | 1 |
1n8507 Exciter And Regulator Assembly--Part 1 Of 2--Type 1
| 1N***07 | Exciter & Regulator As | 1 |
1n8507 Exciter And Regulator Assembly--Part 1 Of 2--Type 2
| 1N***07 | Exciter & Regulator As | 1 |
1n5375 Exciter And Regulator Assembly--Part 1 Of 2--Type 1
| 1N***75 | Exciter And Regulator Assembly | 1 |
1n5375 Exciter And Regulator Assembly--Part 2 Of 2--Type 2
| 1N***75 | Exciter And Regulator Assembly | 1 |
3n4701 Exciter And Regulator Assembly--Part 2 Of 2--Type 1
| 3N***01 | Exciter And Regulator Assembly | 1 |
1n5375 Exciter And Regulator Assembly--Part 2 Of 2--Type 1
| 1N***75 | Exciter And Regulator Assembly | 1 |
8l3904 Exciter And Regulator Assembly--Type 2
| 8L***04 | Exciter And Regulator Assembly | 1 |
2n5990 Exciter And Regulator Assembly--Part 1 Of 2
| 2N***90 | Exciter And Regulator Assembly | 1 |
2n5990 Exciter And Regulator Assembly--Part 2 Of 2
| 2N***90 | Exciter And Regulator Assembly | 1 |
1n5375 Exciter And Regulator Assembly--Part 1 Of 2--Type 2
| 1N***75 | Exciter And Regulator Assembly | 1 |
1n5500 Exciter And Regulator Assembly--Part 2 Of 2--Type 2
| 1N***00 | Exciter And Regulator Assembly | 1 |
3n4701 Exciter And Regulator Assembly--Part 2 Of 2--Type 2
| 3N***01 | Exciter And Regulator Assembly | 1 |
3n4701 Exciter And Regulator Assembly--Part 1 Of 2--Type 2
| 3N***01 | Exciter And Regulator Assembly | 1 |
8l3904 Exciter And Regulator Assembly--Type 1
| 8L***04 | Exciter And Regulator Assembly | 1 |
8l8950 Exciter And Regulator Assembly
| 8L***50 | Exciter And Regulator Assembly | 1 |
1n5500 Exciter And Regulator Assembly--Part 1 Of 2--Type 2
| 1N***00 | Exciter And Regulator Assembly | 1 |
1n5500 Exciter And Regulator Assembly--Part 1 Of 2--Type 1
| 1N***00 | Exciter And Regulator Assembly | 1 |
1n5500 Exciter And Regulator Assembly--Part 2 Of 2--Type 1
| 1N***00 | Exciter And Regulator Assembly | 1 |
3n4701 Exciter And Regulator Assembly--Part 1 Of 2--Type 1
| 3N***01 | Exciter And Regulator Assembly | 1 |
7l33 Generator--3 Phase--End View-Part 2 Of 2
| 7L***33 | Generator | 1 |
8l40 Generator--3 Phase--Side View--Type 1--Part 1 Of 2
| 8L***40 | Generator | 1 |
5l3964 Generator--2400 Volt--60 Cycle, 3 Phase--Side View-Part 1 Of 2
| 5L***64 | Generator | 1 |
7l95 Generator--2400 Volt--60 Hertz, 3 Phase--Side View-Part 1 Of 2
| 7L***95 | Generator | 1 |
5l3963 Generator--3 Phase--Side View--Type 1--Part 1 Of 2
| 5L***63 | Generator | 1 |
7l95 Generator--2400 Volt--60 Hertz, 3 Phase--End View-Part 2 Of 2
| 7L***95 | Generator | 1 |
7l33 Generator--3 Phase--Side View-Part 1 Of 2
| 7L***33 | Generator | 1 |
5l3963 Generator--3 Phase--Side View--Type 2--Part 1 Of 2
| 5L***63 | Generator | 1 |
7l35 Generator--2400 Volt--60 Hertz, 3 Phase--End View-Part 2 Of 2
| 7L***35 | Generator | 1 |
7l93 Generator--3 Phase--Side View - Part 1 Of 2
| 7L***93 | Generator | 1 |
5l3963 Generator--3 Phase--End View--Type 1--Part 2 Of 2
| 5L***63 | Generator | 1 |
8l40 Generator--3 Phase--End View--Type 1-Part 2 Of 2
| 8L***40 | Generator | 1 |
7l35 Generator--2400 Volt--60 Hertz, 3 Phase--Side View - Part 1 Of 2
| 7L***35 | Generator | 1 |
7l94 Generator--3 Phase--End View--Part 2 Of 2
| 7L***94 | Generator | 1 |
8l40 Generator--3 Phase--Side View--Type 2-Part 1 Of 2
| 8L***40 | Generator | 1 |
8l40 Generator--3 Phase--Side View--Type 3-Part 1 Of 2
| 8L***40 | Generator | 1 |
5l3964 Generator--2400 Volt--60 Cycle. 3 Phase--End View-Part 2 Of 2
| 5L***64 | Generator | 1 |
8l40 Generator--3 Phase--End View--Type 3-Part 2 Of 2
| 8L***40 | Generator | 1 |
7l94 Generator--3 Phase--Side View--Part 1 Of 2
| 7L***94 | Generator | 1 |
7l93 Generator--3 Phase--End View--Part 2 Of 2
| 7L***93 | Generator | 1 |
8l40 Generator--3 Phase--End View--Type 2-Part 2 Of 2
| 8L***40 | Generator | 1 |
5l3963 Generator--3 Phase--End View--Type 2-Part 2 Of 2
| 5L***63 | Generator | 1 |
8l38 Generator--3 Phase--End View--Type 2--Part 2 Of 2
| 8L***38 | Generator-3 Phase | 1 |
8l39 Generator--3 Phase--Side View--Type 1--Part 1 Of 2
| 8L***39 | Generator-3 Phase | 1 |
8l39 Generator--3 Phase--Side View--Type 2--Part 1 Of 2
| 8L***39 | Generator-3 Phase | 1 |
8l38 Generator--3 Phase--Side View--Type 2--Part 1 Of 2
| 8L***38 | Generator-3 Phase | 1 |
8l38 Generator--3 Phase--End View--Type 1--Part 2 Of 2
| 8L***38 | Generator-3 Phase | 1 |
8l38 Generator--3 Phase--Side View--Type 3--Part 1 Of 2
| 8L***38 | Generator-3 Phase | 1 |
8l39 Generator--3 Phase, Side View--Type 4--Part 1 Of 2
| 8L***39 | Generator-3 Phase | 1 |
8l38 Generator--3 Phase--Side View--Type 4--Part 1 Of 2
| 8L***38 | Generator-3 Phase | 1 |
8l38 Generator--3 Phase--End View--Type 4--Part 2 Of 2
| 8L***38 | Generator-3 Phase | 1 |
8l39 Generator--3 Phase--Side View--Type 3--Part 1 Of 2
| 8L***39 | Generator-3 Phase | 1 |
8l38 Generator--3 Phase--Side View--Type 1--Part 1 Of 2
| 8L***38 | Generator-3 Phase | 1 |
8l39 Generator--3 Phase--End View--Type 1--Part 2 Of 2
| 8L***39 | Generator-3 Phase | 1 |
8l39 Generator--3 Phase--End View--Type 2--Part 2 Of 2
| 8L***39 | Generator-3 Phase | 1 |
8l39 Generator--3 Phase--End View--Type 3--Part 2 Of 2
| 8L***39 | Generator-3 Phase | 1 |
8l38 Generator--3 Phase--End View--Type 3--Part 2 Of 2
| 8L***38 | Generator-3 Phase | 1 |
8l39 Generator--3 Phase--End View--Type 4--Part 2 Of 2
| 8L***39 | Generator-3 Phase | 1 |
8f9866 Grease Gun
| 8F***66 | Grease Gun As | 1 |
Name Plates And Transfers
| 1H***40 | Transfer; Safety On Dash Or Guards When Used | 1 |
| 1H***50 | Plate-Notice; On L.H. Front Side Cover & Rear R.H. Cover | 2 |
| 1M***98 | Transfer; Filter Instructions On Oil Filter Cover | 2 |
6l6118 Static Exciter And Regulator Assembly--Top View--Part 1 Of 2
| 6L***18 | Static Exciter And Regulator Assembly | 1 |
6l6118 Static Exciter And Regulator Assembly--Top View--Part 2 Of 2
| 6L***18 | Static Exciter And Regulator Assembly | 1 |
5l8059 Static Exciter And Regulator Assembly--Top View--Part 1 Of 2--Type 2
| 5L***59 | Static Exciter And Regulator Assembly | 1 |
5l8059 Static Exciter And Regulator Assembly--Top View--Part 1 Of 2--Type 1
| 5L***59 | Static Exciter And Regulator Assembly | 1 |
5l8059 Static Exciter And Regulator Assembly--Top View--Part 2 Of 2--Type 2
| 5L***59 | Static Exciter And Regulator Assembly | 1 |
5l8059 Static Exciter And Regulator Assembly--Top View--Part 2 Of 2--Type 1
| 5L***59 | Static Exciter And Regulator Assembly | 1 |
4l1560 Tool Group
| 4L***60 | Tool Group | 1 |
G379 serial number reference
The PIN/serial plate on a G379 is a metal tag fastened to the engine block, typically on the left side near the flywheel housing or valve cover area. Read the first three characters as the serial number prefix, which identifies the specific engine model and build arrangement; the digits that follow are the sequential unit number within that prefix run.
| Prefix | Identifies | Notes |
|---|---|---|
| 72B | G379 industrial gas engine | Only serial prefix tied to this model across independent parts and service manual listings. Parts-book breaks appear within this same prefix at several unit points (1-up, later revisions from roughly unit 264-up and 468-up), reflecting running parts changes rather than a new prefix. Distinct from the diesel D379 industrial engine, which carries its own separate prefix - do not cross-apply diesel D379 data to this gas engine. |
Frequently asked questions
What engine does the Caterpillar G379 use?
The G379 is Caterpillar's own engine, not a machine built around someone else's. It is a spark-ignited V8 running on natural gas, offered in naturally aspirated and turbocharged form, and it is the gas-fueled counterpart to the D379 diesel within Cat's 379/398/399 industrial engine family. It runs a Cat hydro-mechanical or Woodward UG8 governor with magneto or Altronic capacitor-discharge ignition instead of any electronic engine control.
What does the Caterpillar G379 weigh?
Caterpillar's bare-engine weight for the G379 is not published in any spec sheet available for this page. A complete packaged generator set built around the G379 has been quoted near 4,082 kg (9,000 lb), but that figure includes the alternator, skid, and cooling package, not the engine alone. Confirm actual weight with your dealer or a certified scale reading for your specific arrangement.
What replaced the Caterpillar G379?
There is no direct one-for-one successor still in production; the mechanical 379/398/399 gas engine family aged out as Caterpillar moved gas-compression and generator-drive business to its electronically governed G3400, G3500, and G3600 series engines. Operators running G379 units today mostly keep rebuilding them with parts shared across the 379/398/399 family rather than repowering, since mechanical simplicity is often the reason they are still in service.
What G379 owners discuss
What exactly is a Cat G379, and does it share parts with other Caterpillar models?
The G379 is the spark-ignited natural gas version of Caterpillar's older D379 diesel. It's covered in the same factory service literature as the D379, D398, D399, G398 and G399 — an older pre-3300/3400-numbering family of large industrial engines. Expect shared wear parts (water pump, valve-seat inserts) across the D379/G379/G398/G399 group. Because the G379 name covers several arrangement numbers with different aspiration and output, always pull the arrangement/serial number off the data plate before comparing specs or sourcing parts — don't assume one G379 matches another.
What ignition quirks show up on these engines?
Original ignition on this vintage was a breaker-point magneto. Many running units have since been converted to capacitor-discharge ignition (commonly an Altronic-type retrofit), which deletes the magneto, points and impulse coupling and times off a magnetic pickup at the flywheel or a crank-mounted timing disc. Factory literature documents a spark plug gap near 0.36 mm (0.014 in.) for this engine family — confirm the exact gap and torque spec against your unit's own arrangement rather than assuming it's identical on every build. Detonation control on this generation is not automatic: timing has to be set and rechecked against fuel quality by hand, or through a knock/detonation module if one's been added. Have your dealer or an ignition-system tech verify timing and detonation settings before running it up on load, especially on field gas of uncertain BTU content.
Does the governor hunt or surge on these engines?
The factory governor on this generation is a hydro-mechanical flyweight-and-oil-relay design, not electronic. On any mechanical governor of this type, hunting or surging under steady load traces back most often to degraded or contaminated governor oil, a worn ballhead, or worn/loose linkage — not necessarily a fuel or ignition fault. If a G379 starts hunting, check governor oil condition and linkage lash first. Have your dealer verify governor calibration if surging persists after that check.
What should I know about the cooling package before running one?
Most surviving G379 units turn up on the used market as bare skid-mounted engines with no radiator, aftercooler, or enclosure — cooling is field-supplied by the buyer. Plan on a jacket-water circuit as the baseline; if the specific build is turbocharged, budget for a separate aftercooler loop too, since aspiration (naturally aspirated vs. turbocharged) varies across engines carrying the G379 designation. Don't assume a cooling package from a diesel D379 skid carries straight over — confirm the actual cooling arrangement for the serial you're buying or installing.
Electric start or air start on the G379?
Available documentation for this model doesn't point to one single starting method — industrial gas engines of this class and vintage were built with either an electric starter or an air-start motor depending on arrangement and site (air start is common where the unit sits in a hazardous gas-compression location). Check the data plate and arrangement number for what's actually fitted rather than assuming; have your dealer confirm before ordering starter or air-start components.
What wears out first on these engines?
Valve seat wear is a known, recurring item across the whole D379/G379/G398/G399 family — oversize replacement seat inserts exist specifically because factory seats wear down over service life, consistent with running natural gas rather than diesel (gas doesn't lubricate the valve/seat interface the way diesel fuel does). Valve-train noise and rocker arms wearing at the valve-tip contact face are the other recurring complaint. The water pump is another frequent rebuild item across this shared engine family — rebuild kits are sold bundled specifically for it because it comes up often. Rising oil consumption on an engine this age generally points to worn rings, liners, or valve guides — pull a compression or leak-down check rather than guessing at the cause.
What should I check before buying a used G379?
Get the full arrangement and serial number off the plate first — output on engines sold under the G379 name varies widely, roughly from the low 300s hp up toward the mid-400s hp depending on build, so the model name alone doesn't tell you what you're getting. Ask whether it's a running take-out or a shop rebuild, and if rebuilt, get actual hours run since rebuild rather than just a rebuild date. Most used units are sold as a bare engine on an open skid with no enclosure and no radiator or aftercooler — confirm exactly what's included before pricing it against a complete package. Check whether the ignition is original magneto or a later capacitor-discharge conversion, confirm the governor type, and inspect the valve seats and jacket water condition. Have your dealer or a qualified industrial-engine shop run a compression or leak-down check and verify ignition timing before you commit to purchase.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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