Specifications
| Fuel | Natural Gas, LP Gas |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 100 kW |
| Standby kVA | 125 |
| Emissions | EPA-Certified for Stationary Emergency Applications |
| Controller | 6000, APM402, Decision-Maker 3000, Decision-Maker 550, Decision-Maker 6000 |
| Oil capacity | 6.2 L |
| Voltage options | 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V, 347/600 V |
| Phase | 3 |
| Rated current | 347 A |
| Power factor | 0.8 |
| Battery cranking | 630 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 22.5 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2800×1120×1456 mm |
| Dry weight | 1403 kg |
Engine
| Oil capacity | 4.7 L |
|---|---|
| Coolant capacity | 22.5 L |
| Displacement | 5.7 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the General Motors 5.7 L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | GM16703 | Amazon eBay $10.00 | |||
| Oil | 6.2 L | — | 150 hr |
Common questions
What is the power rating of the Kohler 100REZG?
The Kohler 100REZG is rated 100 kW standby (125.0 kVA).
What engine does the Kohler 100REZG use?
The Kohler 100REZG is powered by the General Motors 5.7 L engine.
What fuel does the Kohler 100REZG use?
The Kohler 100REZG runs on Natural Gas, LP Gas.
What is the oil capacity of the Kohler 100REZG?
The General Motors 5.7 L engine in the Kohler 100REZG has an oil capacity of 4.7 liters.
Parts
250| Part # | Description | Qty | System | |
|---|---|---|---|---|
| GM16113 | Sensor, magnetic speed, 5/8-18 | 1 | Sensor | buy |
| GM16132 | Belt | 1 | Belt | Amazon eBay |
| GM16144 | Clamp, hose, 1 in. | 1 | Hose | buy |
| GM16158 | Hose, PCV, 3/8 in. | 1 | Hose | buy |
| GM16180 | Alternator, 7SI (see note above) | 1 | Alternator | buy |
| GM16422 | Bolt, oil pump cover | Pump | buy | |
| GM16513 | Bolt, water pump cover, part of 32 | Pump | buy | |
| GM16576 | Seal, oil pan drain plug | Seal | buy | |
| GM16583 | Retainer, oil pump drive shaft | Pump | buy | |
| GM16703 | Filter, oil | Oil filter | Amazon eBay $10.00 | |
| GM16711 | Spark plug | Spark plug | Amazon eBay | |
| GM17393 | Gasket, mixer to air horn | 1 | Gasket | buy |
| GM17395 | Gasket, throttle body to mixer | 1 | Gasket | buy |
| GM18892 | Fitting, oil filter | Oil filter | buy | |
| GM18896 | Shaft, oil pump drive | Pump | buy | |
| GM18898 | Sensor, map (includes 108) | 1 | Sensor | buy |
| GM18899 | Bolt, map sensor | 3 | Sensor | buy |
| GM18904 | Cover, oil pump | Pump | buy | |
| GM18906 | Sensor, knock | Sensor | buy | |
| GM18910 | Bolt, camshaft position sensor, M6 x 1 x 20 | Sensor | buy | |
| GM18913 | Bolt, pulley water pump | Pump | buy | |
| GM18917 | Bolt, water pump, HFH, M10X1.5x65 RH | Pump | buy | |
| GM18918 | Clamp, therm bypass hose, spring band 30mm green, LH | Hose | buy | |
| GM18919 | Clamp, therm bypass hose, spring band 35mm silver, RH | Hose | buy | |
| GM18928 | Retainer, spark plug wire | 12 | Spark plug | buy |
| GM18936 | Pulley, fan and water pump | Pump | buy | |
| GM18937 | Bolt, oil pump drive | Pump | buy | |
| GM18939 | Gasket, throttle body | Gasket | buy | |
| GM18945 | Seal, valve stem oil | Seal | buy | |
| GM18951 | Gasket, engine front cover, also part of 76 | Gasket | buy | |
| GM18952 | Sensor, crankshaft position (includes 123) | Sensor | buy | |
| GM18956 | Bolt, oil pump, M10 x 1.5 x 60 | Pump | buy | |
| GM18957 | Gasket, valve rocker arm cover bolt | Gasket | buy | |
| GM18959 | Gasket, cylinder head LH | Gasket | buy | |
| GM18960 | Gasket, cylinder head RH | Gasket | buy | |
| GM18963 | Gasket, water pump | Gasket | buy | |
| GM18964 | Gasket, engine coolant crossover | Gasket | buy | |
| GM18965 | Gasket, EGR valve opening cover | 1 | Gasket | buy |
| GM18967 | Hose, therm bypass includes hose clamps | Hose | buy | |
| GM18971 | Seal, crankshaft rear oil | Seal | buy | |
| GM18972 | Seal, crankshaft front oil | Seal | buy | |
| GM18973 | Cover, valve rocker arm (includes gasket) | Gasket | buy | |
| GM18974 | Gasket, valve rocker arm cover, part of 8 | Gasket | buy | |
| GM18985 | Hose, fuel pressure reg vac | 1 | Hose | buy |
| GM18989 | Pan, oil (includes pan, plug, gasket) | Gasket | buy | |
| GM18990 | Pump, oil with screen | Pump | buy | |
| GM18991 | Fitting, heater hose, part of 111 | Hose | buy | |
| GM18996 | Bolt, crankshaft position sensor | Sensor | buy | |
| GM19004 | Sensor, camshaft position (2001 General Motors engines) | Sensor | buy | |
| GM19006 | Cover, engine front (includes cover, seal, gasket) | Gasket | buy | |
| GM19009 | Gasket, oil pan | Gasket | buy | |
| GM19011 | Drive, oil pump | Pump | buy | |
| GM19018 | Connector, engine oil cooler hose | Hose | buy | |
| GM19019 | Seal, map sensor, part of 106 | 1 | Seal | buy |
| GM19023 | Valve, oil filter bypass | Oil filter | buy | |
| GM19027 | Pump kit, water (incl. 31, 82, 83, 85, 105) | Pump | buy | |
| GM19030 | Gasket, intake manifold (set of 2) | Gasket | buy | |
| GM19721 | Gasket, exhaust manifold | Gasket | buy | |
| GM19725 | Housing, sensor | 1 | Sensor | buy |
| GM19726 | Thermostat, 160° | 1 | Thermostat | buy |
| GM19727 | O-ring, water sensor tube | 1 | Seal | buy |
| GM19731 | O-ring, dipstick adapter | 1 | Seal | buy |
| GM19732 | Gasket, manifold adapter | 1 | Gasket | buy |
| GM19733 | Gasket, intake manifold to adapter | 1 | Gasket | buy |
| GM19739 | Belt | 1 | Belt | Amazon eBay $25.97 |
| GM19748 | Brace, alternator | 1 | Alternator | buy |
| GM19763 | Module, NG ECU control, 80 kW | 1 | ECM / ECU | buy |
| GM19765 | Module, LP ECU control, 80 and 100 kW | 1 | ECM / ECU | buy |
| GM19766 | Module, NG ECU control, 100 kW | 1 | ECM / ECU | buy |
| GM22170 | Module, LP ECU control, 125 kW | 1 | ECM / ECU | buy |
| GM22171 | Spark plug, 125 kW | Spark plug | Amazon eBay | |
| GM22993 | Belt, fan | 1 | Belt | Amazon eBay |
| GM23714 | Gasket, mixer adapter | 2 | Gasket | buy |
| GM24335 | Hose | 1 | Hose | buy |
| GM24340 | Fitting, 5/8 beaded hose x 3/8 MPT | 1 | Hose | buy |
| GM24348 | Fitting, 1 in. MPT x 1 in. barb hose, elb plas | 1 | Hose | buy |
| GM24350 | Hose, vapor w/wire, 1 in. ID | 1 | Hose | buy |
| GM24739 | Sensor, camshaft position (2002 and 2003 General Motors engines) | Sensor | buy | |
| GM25969 | Module, NG ECU control, 125 kW | 1 | ECM / ECU | buy |
| GM25970 | Clamp, hose, 2 1/4 in. | 1 | Hose | buy |
| GM28582 | Wire, spark plug | 8 | Spark plug | buy |
| GM28766 | Gasket, LC-50 (50/43 mm) valve | 2 | Gasket | buy |
| GM28887 | Clamp, hose S-52 3 1/2 in. | 1 | Hose | buy |
| GM28888 | Clamp, hose, 3 in. | 3 | Hose | buy |
| GM28889 | Clamp, hose, 9/16 in. OD, spring type | 4 | Hose | buy |
| GM28890 | Clamp, hose, 3/4 in. OD, spring type | 2 | Hose | buy |
| GM28893 | Clamp, hose, 1 1/4 in. | 2 | Hose | buy |
| GM28895 | Clamp, hose, 13/16--1 1/2 in. | 1 | Hose | buy |
| GM28897 | Turbocharger | 1 | Turbocharger | buy |
| GM28901 | Hose, oil drain, 7/8 in. ID, 3 in. | 1 | Hose | buy |
| GM28902 | Hose, oil supply | 1 | Hose | buy |
| GM28903 | Fitting, oil supply turbo | 1 | Turbocharger | buy |
| GM28904 | Elbow, turbo exhaust | 1 | Turbocharger | buy |
| GM28906 | Sensor, map | 1 | Sensor | buy |
| GM28908 | Hose, breather | 1 | Hose | buy |
| GM28909 | Fitting, 3/8 x 1/2 in. hose mender | 1 | Hose | buy |
| GM28910 | Hose, PCV, 1/2 x 2 in. | 1 | Hose | buy |
| GM28914 | Hose | 1 | Hose | buy |
| GM28915 | Clamp, hose, 5 in. | 1 | Hose | buy |
| GM28916 | Hose, pushlock, 1/4 in. ID x 1/2 in OD, 11 in. | 1 | Hose | buy |
| GM28924 | Hose, turbo outlet, 3 in. | 1 | Hose | buy |
| GM28926 | Hose, hump reducer | 1 | Hose | buy |
| GM28928 | Gasket, turbocharger | 1 | Gasket | buy |
| GM28929 | Gasket, oil drain | 1 | Gasket | buy |
| GM28932 | Gasket, exhaust | 2 | Gasket | buy |
| GM28949 | Fitting, 5/8 bead hose x 3/8 MPT x 90 | 1 | Hose | buy |
| GM28950 | Fitting, 1/2 MPT x 5/8 in. beaded hose | 1 | Hose | buy |
| GM29245 | ECU | 1 | ECM / ECU | buy |
| GM29581 | Clamp, hose S-64 4 1/4 in. | 1 | Hose | buy |
| GM29585 | Sensor, O2 | 1 | Sensor | buy |
| GM29588 | Hose, 475 to valve | 1 | Hose | buy |
| GM29592 | Gasket (manifold adapter) | 1 | Gasket | buy |
| GM29595 | Hose, mix adapter to throttle body | 1 | Hose | buy |
| GM29599 | Tube, turbo to throttle | 1 | Turbocharger | buy |
| GM29607 | ECU | 1 | ECM / ECU | buy |
| GM29608 | Sensor, coolant | 1 | Sensor | buy |
| GM29609 | Sensor, inlet air | 1 | Sensor | buy |
| GM29610 | Isolator, ECU | 4 | ECM / ECU | buy |
| GM29613 | Elbow, turbo exhaust (w/O2 port) | 1 | Turbocharger | buy |
| GM45896 | Assembly, exhaust inlet/turbo mtg. | 1 | Turbocharger | buy |
| GM47739 | Gasket w/flame arrestor, intake manifold (qty.1) | Gasket | buy | |
| GM48779 | Metal boot, spark plug wire | 8 | Spark plug | buy |
| GM51539 | Sensor, camshaft position (2004-- General Motors engines) | Sensor | buy | |
| GM59864 | Starter | 1 | Starter | buy |
| GM65427 | Belt, 76 in. | 1 | Belt | Amazon eBay |
| GM66199 | Bolt, oil pump cover | Pump | buy | |
| GM66202 | Pulley, water pump/fan | 1 | Pump | buy |
| GM66205 | Belt, poly-6V, 97.5 in. | 1 | Belt | Amazon eBay |
| GM66207 | Hose, 1/4 in. gas supply | 1 | Hose | buy |
| GM66213 | Hose, fuel, 3/8 diameter | 1 | Hose | buy |
| GM66214 | Hose, hump, intake 4 x 4 | 1 | Hose | buy |
| GM66217 | Hose, reducer | 1 | Hose | buy |
| GM66221 | Elbow, mixer to turbo | 1 | Turbocharger | buy |
| GM66223 | Gasket, mixer adapter | 1 | Gasket | buy |
| GM66227 | Harness, 8.1L new cam sensor (year 2004 and later GM engine) | 1 | Sensor | buy |
| GM66231 | Support, alternator | 1 | Alternator | buy |
| GM66239 | Pipe, turbo-CAC | 1 | Turbocharger | buy |
| GM66240 | Hose, silicone, red, 2 1/2 x 3 | 1 | Hose | buy |
| GM66241 | Hose, silicone, red, 2 3/4 ID x 3 in. LG | 1 | Hose | buy |
| GM66242 | Hose, silicone, 3 in. ID x 3 in. LG | 2 | Hose | buy |
| GM66246 | ECU | 1 | ECM / ECU | buy |
| GM66247 | ECU | 1 | ECM / ECU | buy |
| GM66248 | Harness, 8.1L new cam sensor | 1 | Sensor | buy |
| GM66249 | ECU | 1 | ECM / ECU | buy |
| GM75077 | Sensor, Cm/Shf Posn (GM model year of 2004 and newer) | Sensor | buy | |
| GM75613 | Intake manifold end gasket | Gasket | buy | |
| NGE012014 | Radiator Fan Shroud Bolts | Bolt | buy | |
| GM16118 | Plug, 1/2 in. NPT, brass | 2 | Service part / kit | buy |
| GM16121 | Pulley, idler | 1 | Service part / kit | buy |
| GM16135 | Housing, flywheel, SAE3 | 1 | Service part / kit | buy |
| GM16147 | Spacer, fan | 1 | Service part / kit | buy |
| GM16154 | Clamp, steel tube, 3/8 in. | 1 | Service part / kit | buy |
| GM16165 | Mixer, natural gas, complete assembly* | 1 | Service part / kit | buy |
| GM16177 | U-bolt, w/o plate | 1 | Service part / kit | buy |
| GM16203 | Pipe, nipple, 1 x 6 in. | 1 | Service part / kit | buy |
| GM16205 | Bushing, reducing, 1 NPT--3/4 in. | 1 | Service part / kit | buy |
| GM16207 | Pipe, 1 in. fitting elbow, 90° | 1 | Service part / kit | buy |
| GM16372 | Retainer, camshaft | Service part / kit | buy | |
| GM16430 | Sealer, oil pan | Service part / kit | buy | |
| GM16476 | Pin, camshaft sprocket locator, 1/4 x 5/8 | Service part / kit | buy | |
| GM16504 | Plug, eng. block coolant drain hole, 1/4-18 x 0.56 | Service part / kit | buy | |
| GM16510 | Plug, engine block oil galley, auto drain | Service part / kit | buy | |
| GM16521 | Nut, valve rocker arm, nonadjustable | Service part / kit | buy | |
| GM16526 | Plug, oil pan drain, M12 x 1.75-6 G, 44.45 mm long | Service part / kit | buy | |
| GM16533 | Plug, oil pan drain, 1/2-14 x 0.610 | Service part / kit | buy | |
| GM16549 | Pin, oil pressure relief valve spring stay | Service part / kit | buy | |
| GM17009 | Diaphragm, silicone, LP | 1 | Service part / kit | buy |
| GM17378 | Bolt, starter, special | 2 | Service part / kit | buy |
| GM17382 | Mixer, LP, complete assembly* | 1 | Service part / kit | buy |
| GM17384 | Diaphragm, silicone, natural gas | 1 | Service part / kit | buy |
| GM17388 | Screw, 10-24 x 5/8, SEMS | 5 | Service part / kit | buy |
| GM17390 | Idle screw | 1 | Service part / kit | buy |
| GM17391 | Spring, idle screw | 1 | Service part / kit | buy |
| GM17394 | Spring, air valve | 1 | Service part / kit | buy |
| GM17396 | Screw, 12-24 x 5/8, SEMS | 4 | Service part / kit | buy |
| GM18885 | Plug, engine block oil galley | Service part / kit | buy | |
| GM18886 | Plug, eng. block oil galley, 1/8-27 x 3/8 NPTF | Service part / kit | buy | |
| GM18887 | Plug, engine block oil galley, auto drain hex head | Service part / kit | buy | |
| GM18888 | Sealer, crankshaft rear main bearing | Service part / kit | buy | |
| GM18889 | Plug, int manifold, (must use with GM18933 sealant) | 2 | Service part / kit | buy |
| GM18890 | Nut, throttle body | Service part / kit | buy | |
| GM18891 | Plug, int manifold (must use with GM18933 sealant) | 1 | Service part / kit | buy |
| GM18893 | Valve, oil pressure relief | Service part / kit | buy | |
| GM18894 | Spring, oil pressure relief valve | Service part / kit | buy | |
| GM18895 | Key, valve stem | Service part / kit | buy | |
| GM18897 | Plug, camshaft bearing hole | Service part / kit | buy | |
| GM18900 | Stud, fuel injection rail | Service part / kit | buy | |
| GM18901 | Plug, int manifold (must use with GM18933 sealant) | 1 | Service part / kit | buy |
| GM18902 | Cap, valve spring | Service part / kit | buy | |
| GM18903 | Rotator, valve | Service part / kit | buy | |
| GM18905 | Cap, oil filler (includes 6) | Service part / kit | buy | |
| GM18907 | Pin, flywheel locator, part of 73 | Service part / kit | buy | |
| GM18908 | Bolt, wiring harness bracket | 4 | Service part / kit | buy |
| GM18909 | Bolt, engine front cover, M6 x 1.0 x 30 | Service part / kit | buy | |
| GM18911 | Bolt, oil filler tube, M6 x 1 x 20 | 1 | Service part / kit | buy |
| GM18912 | Bolt, camshaft retainer | Service part / kit | buy | |
| GM18914 | Bolt, water outlet, part of 111 | Service part / kit | buy | |
| GM18916 | Nut, crankshaft oil deflector | Service part / kit | buy | |
| GM18920 | Bolt, engine coolant crossover | Service part / kit | buy | |
| GM18921 | Bolt, cylinder head, position #1, 2, 3, 6--11, 14, 16, 17 | 24 | Service part / kit | buy |
| GM18922 | Bolt, cylinder head, pos #15, 18 | Service part / kit | buy | |
| GM18923 | Bolt, cylinder head, pos #4, 5, 12, 13 | Service part / kit | buy | |
| GM18924 | Plug, engine block oil galley, countersunk | Service part / kit | buy | |
| GM18925 | Plug, engine block oil galley | Service part / kit | buy | |
| GM18926 | Connector, inline to engine harness | 1 | Service part / kit | buy |
| GM18927 | Connector, coil ignition | 4 | Service part / kit | buy |
| GM18929 | Clip, wiring harness | 1 | Service part / kit | buy |
| GM18933 | Sealer, oil fill tube | Service part / kit | buy | |
| GM18934 | Grease, heavy duty multipurpose | Service part / kit | buy | |
| GM18935 | Bearing, camshaft, position #3, 4 | Service part / kit | buy | |
| GM18938 | Bolt, oil pan | 2 | Service part / kit | buy |
| GM18940 | Guide, valve lifter, restrictor valve rotator | Service part / kit | buy | |
| GM18941 | Retainer, valve lifter guide, restrictor | Service part / kit | buy | |
| GM18942 | Stud, throttle body | 3 | Service part / kit | buy |
| GM18943 | Balancer, crankshaft | Service part / kit | buy | |
| GM18946 | Rod, valve push, intake | Service part / kit | buy | |
| GM18947 | Rod, valve push, exhaust | Service part / kit | buy | |
| GM18948 | Arm, valve rocker | Service part / kit | buy | |
| GM18949 | Ball, valve rocker arm | Service part / kit | buy | |
| GM18950 | Valve, Intake, standard | Service part / kit | buy | |
| GM18953 | Bolt, crankshaft bearing cap, M12 x 1.75 x 89 | Service part / kit | buy | |
| GM18955 | Bolt, ignition coil | 16 | Service part / kit | buy |
| GM18958 | Pin, cylinder head locator, 1/2 x 5/8 OD | Service part / kit | buy | |
| GM18962 | Valve, exhaust, standard | Service part / kit | buy | |
| GM18966 | Coil, ignition (engine model year 2002) | 8 | Service part / kit | buy |
| GM18968 | Valve, exhaust, 0.003 in., OS | Service part / kit | buy | |
| GM18969 | Valve, exhaust, 0.015 in., OS | Service part / kit | buy | |
| GM18970 | Valve, exhaust, 0.030 in., OS | Service part / kit | buy | |
| GM18975 | Bolt, valve rocker arm cover, M6 x 1.0 x 26 | Service part / kit | buy | |
| GM18976 | Stud, crankshaft bearing cap | Service part / kit | buy | |
| GM18977 | Deflector, crankshaft oil | Service part / kit | buy | |
| GM18979 | Outlet, water, part of 111 | Service part / kit | buy | |
| GM18980 | Shield, intake manifold oil splash | Service part / kit | buy | |
| GM18981 | Cover, EGR valve opening | 1 | Service part / kit | buy |
| GM18982 | Sprocket, crankshaft | Service part / kit | buy | |
| GM18983 | Head, cylinder (incl. seats and guides) RH | Service part / kit | buy | |
| GM18984 | Head, cylinder (incl. seats and guides) LH | Service part / kit | buy | |
| GM18986 | Pin, crankshaft balancer locator | Service part / kit | buy | |
| GM18987 | Bolt, intake manifold, lower intake to cylinder head | Service part / kit | buy | |
| GM18988 | Plug, engine block coolant drain hole, LH | Service part / kit | buy | |
| GM18992 | Valve, Intake, 0.003 in., OS | Service part / kit | buy | |
| GM18993 | Valve, Intake, 0.015 in., OS | Service part / kit | buy | |
| GM18994 | Valve, Intake, 0.030 in., OS | Service part / kit | buy | |
| GM18995 | Guide, valve lifter push rod | Service part / kit | buy | |
| GM18997 | Bolt, flywheel, M11 x 1.5 x 29 | Service part / kit | buy | |
| GM18998 | Manifold, intake | Service part / kit | buy | |
| GM18999 | Piston w/conn rod, standard, RH | Service part / kit | buy | |
| GM19000 | Camshaft, engine (includes 22, 26, 36, 57), 80 kW | Service part / kit | buy | |
| GM19001 | Piston w/conn rod, 0.030 OS, RH | Service part / kit | buy | |
| GM19002 | Piston w/conn rod, 0.030 OS, LH | Service part / kit | buy |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | |||
| Standby | 25% | ||
| Standby | 50% | ||
| Standby | 75% | ||
| Standby | 100% |
Available documents
BrochureSpec sheetInstallation manualReferenceWiring diagram