Specifications
| Fuel | natural gas / LP |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 100 kW |
| Standby kVA | 125 |
| Prime power | 100 kW |
| Emissions | EPA-Certified for Stationary Emergency Applications |
| Controller | APM402, Decision-Maker 3000, Decision-Maker 550, Decision-Maker 6000 |
| Oil capacity | 6.2 L |
| Alternator | Fast-Response PMG (Class Class H insulation) |
| Voltage options | 480 V |
| Phase | 3-phase |
| Rated current | 347 A |
| Power factor | 0.8 |
| Battery cranking | 630 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 22.5 L |
| Engine jacket water | 6.8 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2800×1120×1456 mm |
| Dry weight | 1403 kg |
Engine
| Oil capacity | 6.2 L |
|---|---|
| Coolant capacity | 22.5 L |
| Displacement | 5.7 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Same engine, other brands
2 brandsThe General Motors 5.7L in this set also powers 2 generator sets sold under 2 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| SDMO | G60 |
| Taylor Power | TGR60 |
Maintenance & consumables
for the General Motors 5.7L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Cartridge | ×1 | — | ||
| Oil | 6.2 L | — | 100 hr |
Service specifications
30| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | 10 in. weld flange bolt circle diameter B | 361.95 | mm (14.25 in.) | |
| Other | 10 in. weld flange outside diameter C | 406.4 | mm (16.0 in.) | |
| Other | 10 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 12 in. weld flange bolt circle diameter B | 431.80 | mm (17.00 in.) | |
| Other | 12 in. weld flange outside diameter C | 482.6 | mm (19.0 in.) | |
| Other | 12 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 14 in. weld flange bolt circle diameter B | 476.25 | mm (18.75 in.) | |
| Other | 14 in. weld flange outside diameter C | 533.4 | mm (21.0 in.) | |
| Other | 14 in. weld flange quantity of bolts / bolt hole diameter D | 12, 28.58 | mm (1.13 in.) | |
| Other | 16 in. weld flange bolt circle diameter B | 539.75 | mm (21.25 in.) | |
| Other | 16 in. weld flange outside diameter C | 596.9 | mm (23.5 in.) | |
| Other | 16 in. weld flange quantity of bolts / bolt hole diameter D | 16, 28.58 | mm (1.13 in.) | |
| Other | 18 in. weld flange bolt circle diameter B | 577.85 | mm (22.75 in.) | |
| Other | 18 in. weld flange outside diameter C | 635.0 | mm (25.0 in.) | |
| Other | 18 in. weld flange quantity of bolts / bolt hole diameter D | 16, 31.75 | mm (1.25 in.) | |
| Other | 20 in. weld flange bolt circle diameter B | 635.00 | mm (25.00 in.) | |
| Other | 20 in. weld flange outside diameter C | 698.5 | mm (27.5 in.) | |
| Other | 20 in. weld flange quantity of bolts / bolt hole diameter D | 20, 31.75 | mm (1.25 in.) | |
| Other | 5 in. weld flange bolt circle diameter B | 215.90 | mm (8.50 in.) | |
| Other | 5 in. weld flange outside diameter C | 241.30 | mm (9.50 in.) | |
| Other | 5 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 6 in. weld flange bolt circle diameter B | 254.0 | mm (10.0 in.) | |
| Other | 6 in. weld flange outside diameter C | 279.4 | mm (11.0 in.) | |
| Other | 6 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 8 in. weld flange bolt circle diameter B | 298.45 | mm (11.75 in.) | |
| Other | 8 in. weld flange outside diameter C | 342.9 | mm (13.5 in.) | |
| Other | 8 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | Weld flange angle A (10, 12, 14 in. nominal pipe size) | 30 | deg. | |
| Other | Weld flange angle A (16, 18, 20 in. nominal pipe size) | 22.5 | deg. | |
| Other | Weld flange angle A (5, 6, 8 in. nominal pipe size) | 45 | deg. |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 12-lead optional voltage connections | 12 | Alternator optional feature | ||
| 4-lead dedicated voltages | 4 | Alternator standard feature | ||
| 110/127/139/240/254/277 | single-phase | switchable | Towable generator model specifications; some models n/a | |
| 208/220/240/415/440/480 | 3-phase | reconnectable | Towable generator model specifications | |
| 208/220/240/415/440/480 | 3-phase | switchable | Towable generator model specifications |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What size generator is the Kohler 100REZGD?
The Kohler 100REZGD is rated 100 kW standby (125.0 kVA).
What engine is in the Kohler 100REZGD?
The Kohler 100REZGD is powered by the General Motors 5.7L engine.
What kind of fuel does the Kohler 100REZGD run on?
The Kohler 100REZGD runs on natural gas / LP.
What's the oil capacity on a Kohler 100REZGD?
The General Motors 5.7L engine in the Kohler 100REZGD has an oil capacity of 6.2 liters.
What is the coolant capacity of the Kohler 100REZGD?
The Kohler 100REZGD cooling system holds 22.5 liters (5.9 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
How much does the Kohler 100REZGD weigh?
The Kohler 100REZGD has a dry weight of 1403 kg (3093 lb).
What voltages is the Kohler 100REZGD available in?
The Kohler 100REZGD is offered in 480 V, 3-phase-phase.
What battery does the Kohler 100REZGD use?
The Kohler 100REZGD uses 1 battery, 12 V each, 630 CCA, per the manufacturer specification sheet.
What alternator comes on the Kohler 100REZGD?
The Kohler 100REZGD uses a Fast-Response PMG alternator. Insulation class Class H.
Parts
107| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 359249 | Hose, 45 deg. elbow (3.00 in. ID) | 1 | Air filter | Amazon eBay |
| 38050057 | Bolt, 1/4-20 x 2 Hx Hd Grade 5 | 1 | Oil filter | eBay |
| 38050060 | Oil Filter | 1 | Oil filter | eBay |
| 38050308 | Alternator | 1 | Alternator | eBay |
| 38050356 | Lifting Eye, Idler, Belt | 1 | Belt | eBay |
| 38050441 | Fuel System | 1 | Fuel filter | eBay |
| 38050445 | Fuel System, EPR/Mixer | 1 | Fuel filter | eBay |
| 38050449 | Fuel System, Throttle Body | 1 | Fuel filter | eBay |
| 38050634 | Thermostat | 1 | Thermostat | eBay |
| 38900649 | Water Pump Hardware | 1 | Pump | eBay |
| GM103656 | Hose, coolant SAE J20R2--DI 5/8 in. ID | 1 | Hose | eBay $23.00 |
| GM16132 | Belt, fan standard | 1 | Belt | Amazon eBay $86.00 |
| GM16133 | Gasket, intake manifold | 1 | Gasket | eBay |
| GM16140 | Cap, Bypass 5/8” (includes cap, connector, hose, clamps) | 1 | Hose | eBay |
| GM16158 | Hose, PCV, 3/8” (37 in.) | 1 | Hose | Amazon eBay |
| GM16180 | Alternator, 70 amp | 1 | Alternator | eBay |
| GM16199 | Gasket, manifold exhaust | 2 | Gasket | eBay |
| GM16202 | Gasket, intake manifold | 1 | Gasket | eBay |
| GM16348 | Gasket, valve rocker arm cover | 2 | Gasket | eBay |
| GM16353 | Gasket, cylinder head (60 kw) | 2 | Gasket | eBay |
| GM16360 | Gasket, distributor | 1 | Gasket | Amazon eBay |
| GM16362 | Gasket, oil pan | 1 | Gasket | eBay |
| GM16366 | Seal, crankshaft front oil | 1 | Seal | Amazon eBay |
| GM16385 | Seal, intake valve stem oil | 6 | Seal | Amazon eBay |
| GM16474 | Seal, crankshaft rear oil | 1 | Seal | eBay |
| GM16482 | Pump, oil (.742 dia. Tube) | 1 | Pump | Amazon eBay |
| GM16483 | Gasket, water pump cover | 1 | Gasket | Amazon eBay |
| GM16496 | Seal, exh vlv stem Oil | 6 | Seal | Amazon eBay |
| GM16536 | Gasket, thermostat cover | 1 | Gasket | Amazon eBay |
| GM16582 | Gasket, water pump | 1 | Gasket | Amazon eBay |
| GM16703 | Filter, oil | 1 | Oil filter | Amazon eBay $58.00 NAPA $3.59 |
| GM22171 | Spark plug | 8 | Spark plug | Amazon eBay |
| GM38981 | Gasket, crankshaft rear oil seal housing | 1 | Gasket | eBay |
| GM39227 | Sensor, 1 bar TMAP | 1 | Sensor | eBay |
| GM39601 | Sensor, coolant | 1 | Sensor | eBay |
| GM42034 | Filter, oil | 1 | Oil filter | Amazon eBay $41.00 |
| GM42579 | Hose, fuel 3/8 in. 14.5 in. | 1 | Hose | eBay |
| GM60238 | Gasket, Man Adapter Venturi | 1 | Gasket | Amazon eBay |
| GM69504 | O-ring | 1 | Seal | eBay |
| GM72292 | Sensor, O2 | 1 | Sensor | Amazon eBay |
| GM72302 | Sensor, T map 3-bar | 2 | Sensor | Amazon eBay |
| GM72303 | Sender, oil pressure | 1 | Sender | Amazon eBay |
| GM75023 | Seal, crankshaft pos. sensor | 1 | Seal | Amazon eBay |
| GM75083 | Sensor, crishf posn | 1 | Sensor | eBay |
| GM75088 | Seal, oil pan drn plug(o ring) | 1 | Seal | eBay |
| GM75133 | Hose, WP to Int Man | 1 | Hose | eBay |
| GM75159 | Wires, Spark Plug | 1 | Spark plug | eBay |
| GM75237 | Pump kit, wat (incls plug, seal, cover, gasket) | 1 | Pump | eBay |
| GM79585-S | Thermostat, Service Kit (includes gasket) | 1 | Thermostat | Amazon eBay eBay |
| GM85014 | Gskt, head (5.7L Turbo) (80/100 kW) | 2 | Gasket | eBay |
| GM85017 | Belt, Alt | 1 | Belt | Amazon eBay $52.00 |
| GM85020 | Hose, High Temp 1/2” ID (12 in.) | 1 | Hose | eBay |
| GM85023 | Hose, Oil Supply Asm | 1 | Hose | eBay |
| GM85027 | Hose Reducer 2.50/2.36 Sil | 1 | Hose | eBay |
| GM85028 | O-ring, Dash 108 Buna-N | 1 | Seal | eBay |
| GM85032 | Belt, Alt G-Rib .813” x 73.25” | 1 | Belt | Amazon eBay |
| GM85033 | Gasket, Exhaust | 4 | Gasket | eBay |
| GM85034 | Gasket Set, Exh Manifold | 2 | Gasket | eBay |
| GM85041 | Turbocharger | 1 | Turbocharger | eBay |
| GM85043 | Gasket, Exhaust Pipe | 1 | Gasket | eBay |
| GM85046 | Gasket, Int Man 5.7 High Temp | 1 | Gasket | eBay |
| GM88993-GR1 | Mount, Air Cleaner (6.76”ID) | 1 | Air filter | Amazon eBay |
| GM90280 | Air Cleaner Assy | 1 | Air filter | Amazon eBay |
| GM90281 | Element, Air Cleaner | 1 | Air filter | Amazon eBay $40.00 NAPA $66.17 KuduParts $43.00 |
| GM90538 | Camshaft Position Sensor | 1 | Sensor | Amazon eBay $154.89 |
| GM90969-KP1-QS | 3" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| GM90969-KP2-QS | 4" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| GM92228-KP1-QS | 3" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| GM92228-KP2-QS | 4" Concrete Mounting Pad (only comes in quantities of 5) | Physical | Amazon eBay | |
| X-312-47 | Hose (0.63 in. ID x 36 in.) | 1 | Hose | eBay |
| X-391-19 | Connector, 90 degrees (5/8 in. ID hose) | 1 | Hose | eBay $30.00 |
| X-582-1 | Connector, hose | 1 | Hose | Amazon eBay $22.00 |
| X-6014-137 | Hose, Radiator Wire Insert, 3 in. ID | 1 | Hose | Amazon eBay |
| 352945 | Block heater (kit GM78529-KP1-QS) | 1 | Service part / kit | eBay FridayParts $69.99 |
| 352946 | Block heater (kit GM78529-KP2) | 1 | Service part / kit | eBay |
| 38030121 | Flywheel Adapter | 1 | Service part / kit | eBay |
| 38030247 | Flywheel/Housing | 1 | Service part / kit | eBay |
| 38040622 | Fan Spacer | 1 | Service part / kit | eBay |
| 38050322 | Bolt, starter | 1 | Service part / kit | eBay |
| 38050325 | Electrical | 1 | Service part / kit | eBay |
| 38050326 | High Voltage Switch (HVS) Coil & Distributor | 1 | Service part / kit | eBay |
| 38050327 | Ignition System | 1 | Service part / kit | eBay |
| 38050801 | Exhaust Manifold | 1 | Service part / kit | eBay |
| 38050809 | Exhaust Pipe | 1 | Service part / kit | eBay |
| 38050812 | Intake Manifold | 1 | Service part / kit | eBay |
| GM101823 | 8.8L breather retrofit kit with oil cooler | 1 | Service part / kit | Amazon eBay |
| GM16159 | Valve, PCV | 1 | Service part / kit | Amazon eBay |
| GM17809 | Shield, heat (32 mm ID x 152 mm) | 1 | Service part / kit | eBay $9.00 |
| GM23718 | Shield, heat (32 mm ID x 455 mm) | 1 | Service part / kit | eBay |
| GM29586 | Valve, throttle, 60 mm | 1 | Service part / kit | Amazon eBay |
| GM62348-SKP1-QS | Maintenance Kit | 1 | Service part / kit | Amazon eBay |
| GM69500 | Mixer | 1 | Service part / kit | eBay |
| GM71622-MA1 | X-612-14 | 1 | Service part / kit | Amazon eBay |
| GM75155 | Distributor HVS (includes item 10) | 1 | Service part / kit | eBay |
| GM75164 | Coil, Ignition | 1 | Service part / kit | eBay |
| GM83718-SKP1-QS | Maintenance Kit | 1 | Service part / kit | Amazon eBay |
| GM85010 | EPR assembly (5.7 L, 100 kW) | 1 | Service part / kit | eBay |
| GM85031 | Wires, Plug HVS 8MM Hi Temp | 1 | Service part / kit | eBay |
| GM86771-SKP1-QS | Maintenance Kit | 1 | Service part / kit | Amazon eBay |
| GM87989 | updated distributor cap | Service part / kit | Amazon eBay | |
| GM87990 | rotor with the properly coated contact | Service part / kit | Amazon eBay | |
| GM89979 | Maintenance Service Kit | 1 | Service part / kit | eBay |
| GM89979-SKP1-QS | Maintenance Kit | 1 | Service part / kit | Amazon eBay |
| GM93396-SKP1-QS | Maintenance Kit | 1 | Service part / kit | Amazon eBay |
| GM93491 | EPR assembly (60RCL) | 1 | Service part / kit | eBay |
| M6923-08-80 | Nut, Hex 8mm | 1 | Service part / kit | Amazon eBay $8.80 eBay |
| M933-08016-60 | Screw | 2 | Service part / kit | Amazon eBay |
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.
Available documents
Spec sheet — g4204 (Kohler)Reference (Kohler)Reference — G6-39 0918AZ (Kohler)Reference — Katalog-promyshlennoj-produktsii (Kohler)Reference — Kohler-Gas Generators Brochure (Kohler)Parts manual — Reinstated Enclosures (Kohler)Service manual — cold weather kit tt1723 (Kohler)Service manual — tp6799 (Kohler)Service manual — tt1723 (Kohler)
This page was generated from the 9 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.