Specifications
| Fuel | LP Gas |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 30 kW |
| Standby kVA | 38 |
| Prime power | 27 kW |
| Controller | Decision-Maker 3000 |
| Oil capacity | 4.1 L |
| Alternator | Kohler 4P5 |
Engine
| Oil capacity | 4.1 L |
|---|---|
| Coolant capacity | 14.9 L |
| Displacement | 3.0 L |
| Aspiration | Natural Aspiration |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the General Motors Industrial Powertrain 3.0 L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air cleaner element | 253107 | Amazon eBay $69.00 PartsGeek | ||
| Oil filter | GM16703 | Amazon eBay $10.00 PartsGeek | |||
| Belt | Alternator belt | GM39428 | Amazon eBay $15.00 PartsGeek |
Common questions
What is the power rating of the Kohler 30REZG?
The Kohler 30REZG is rated 30 kW standby (38.0 kVA).
What engine does the Kohler 30REZG use?
The Kohler 30REZG is powered by the General Motors Industrial Powertrain 3.0 L engine.
What fuel does the Kohler 30REZG use?
The Kohler 30REZG runs on LP Gas.
What is the oil capacity of the Kohler 30REZG?
The General Motors Industrial Powertrain 3.0 L engine in the Kohler 30REZG has an oil capacity of 4.1 liters.
What alternator does the Kohler 30REZG use?
The Kohler 30REZG uses a Kohler 4P5 alternator.
Parts
35| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 1259369GT | Manifolds | Manifold | PartsGeek | |
| 253107 | Element, air cleaner | 1 | Air filter | Amazon eBay $69.00 PartsGeek |
| 4024TF281 | Fan Belt | 1 | Belt | PartsGeek yemparts $72.24 |
| GM16132 | Belt, alternator | 1 | Belt | Amazon eBay PartsGeek |
| GM16531 | Spark plug | 8 | Spark plug | Amazon eBay $8.08 PartsGeek |
| GM16536 | Gasket, water outlet | 1 | Gasket | PartsGeek |
| GM16537 | Thermostat, engine cooling | 1 | Thermostat | Amazon eBay $22.50 PartsGeek |
| GM16703 | Oil filter | 1 | Oil filter | Amazon eBay $10.00 PartsGeek |
| GM19726 | Thermostat | 1 | Thermostat | PartsGeek |
| GM22171 | Spark plug | 8 | Spark plug | Amazon eBay PartsGeek |
| GM28360 | Gasket, TB | 1 | Gasket | PartsGeek |
| GM28932 | Gasket, exhaust | 1 | Gasket | PartsGeek |
| GM29608 | Sensor, coolant | 1 | Sensor | PartsGeek |
| GM34935 | Fuel Filter | 1 | Fuel filter | Amazon eBay $8.99 PartsGeek |
| GM38998 | Spark plug | 4 | Spark plug | Amazon eBay PartsGeek |
| GM39227 | Sensor, T-Map | 1 | Sensor | PartsGeek |
| GM39416 | Grommet, 3.0L valve cover | 1 | Seal | PartsGeek |
| GM39428 | Belt, alternator | 1 | Belt | Amazon eBay $15.00 PartsGeek |
| GM39442 | Gasket, intake manifold | 1 | Gasket | PartsGeek |
| GM39458 | LCT Sender | 1 | Sensor | PartsGeek |
| GM42579 | Hose, fuel 3/8 in. | 1 | Hose | PartsGeek |
| GM62309 | Element, air cleaner | 1 | Air filter | Amazon eBay $510.99 PartsGeek |
| GM63750 | Oil Filter | 1 | Oil filter | Amazon eBay PartsGeek |
| GM63809 | Fuel Filter (primary) | 1 | Fuel filter | Amazon eBay PartsGeek |
| GM65427 | Belt, alternator | 1 | Belt | Amazon eBay PartsGeek |
| GM69492 | Tube, 0.625 ID x 3 in. | 1 | Hose | PartsGeek |
| GM72292 | Sensor, O2 | 1 | Sensor | PartsGeek |
| GM72303 | Sender, oil pressure | 1 | Sensor | PartsGeek |
| GM75112 | Belt, Alternator | 1 | Belt | PartsGeek |
| GM75127 | O-ring, -134 Buna-N, UL, 40mm | 1 | Seal | PartsGeek |
| GM75162 | Seal, Quad -134 Buna-N, UL 40mm | 2 | Seal | PartsGeek |
| GM75175 | Gasket, Manifold | 2 | Gasket | PartsGeek |
| GM75219 | Grommet | 1 | Seal | PartsGeek |
| GM79585--S | Thermostat | 1 | Thermostat | PartsGeek |
| GM28896 | Valve, PCV | 1 | Service part / kit | PartsGeek |
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 |
|---|---|---|---|
| Prime | 25% | 138.0 | |
| Prime | 50% | 192.0 | |
| Prime | 75% | 251.0 | |
| Prime | 100% | 314.0 | |
| Prime | 110% | 345.0 | |
| Standby | 25% | 144.0 | |
| Standby | 50% | 204.0 | |
| Standby | 75% | 271.0 | |
| Standby | 100% | 345.0 |
Available documents
Brochure (Kohler)Brochure — G6-39 0918AZ (Kohler)Spec sheet (Kohler)Spec sheet — Towable Mobile Generators Brochure (Kohler)Installation manual — tt1672 (Kohler)Reference — Reinstated Enclosures (Kohler)Owner's manual — tp6935 (Kohler)Parts manual — tp6801 (Kohler)Parts manual — tp6937 (Kohler)Wiring diagram — tp6712 (Kohler)Wiring diagram — tp6799 (Kohler)Wiring diagram — tp6936 (Kohler)