Specifications
| Fuel | Natural Gas, LP Gas, or Dual Fuel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 81 kW |
| Standby kVA | 101 |
| Emissions | EPA-Certified for Stationary Emergency Applications |
| Controller | Decision-Maker 3+, Decision-Maker 3000, Decision-Maker 550 |
| Oil capacity | 8.0 L |
| Alternator | Kohler 4S7 (4-pole, Class H insulation) |
| 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 | 122 A |
| Power factor | 0.8 |
| Battery group | 1 |
| Battery cranking | 630 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 25.7 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 3506×1156×1696 mm |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | GM16703 | Amazon eBay $10.00 PartsGeek |
Common questions
What is the power rating of the Kohler 80REZG?
The Kohler 80REZG is rated 81 kW standby (101.0 kVA).
What fuel does the Kohler 80REZG use?
The Kohler 80REZG runs on Natural Gas, LP Gas, or Dual Fuel.
What alternator does the Kohler 80REZG use?
The Kohler 80REZG uses a Kohler 4S7 alternator. It has 4 poles. Insulation class H.
Parts
75model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 08020 | F1805 | Air filter | PartsGeek kuduparts $340.00 | |
| 250081 | Clamp, hose (2) | Air filter | PartsGeek | |
| 253104 | Air filter | PartsGeek | ||
| 253107 | Element, air cleaner | 1 | Oil filter | Amazon eBay $69.00 PartsGeek |
| 291542 | Air filter | PartsGeek | ||
| 328006 | Hose, reducer (3.00 in. to 2.50 in. ID) | Air filter | PartsGeek | |
| 359249 | Hose, 45 deg. elbow (3.00 in. ID) | Air filter | PartsGeek | |
| GM14200 | Mount, Air Cleaner ( 6.76”ID) | Air filter | PartsGeek | |
| GM16132 | Belt, fan standard | 1 | Oil filter | Amazon eBay PartsGeek |
| GM16531 | Spark plug | 1 | Oil filter | Amazon eBay $8.08 PartsGeek |
| GM16537 | Thermostat | 8 | Oil filter | Amazon eBay $22.50 PartsGeek |
| GM16703 | Filter, oil | 1 | Oil filter | Amazon eBay $10.00 PartsGeek |
| GM19726 | Thermostat | 1 | Oil filter | PartsGeek |
| GM22171 | Spark plug | 6 | Oil filter | Amazon eBay PartsGeek |
| GM28351 | Element, oil filter | 1 | Oil filter | Amazon eBay $19.46 PartsGeek |
| GM38998 | Spark plug | 1 | Oil filter | Amazon eBay PartsGeek |
| GM39428 | Belt, alternator | 1 | Oil filter | Amazon eBay $15.00 PartsGeek |
| GM42034 | Oil filter | 1 | Oil filter | Amazon eBay $41.00 PartsGeek |
| GM62309 | Element, air cleaner | 1 | Oil filter | Amazon eBay $510.99 PartsGeek |
| GM65427 | Belt, alternator | 1 | Oil filter | Amazon eBay PartsGeek |
| GM66205 | 1 | Oil filter | Amazon eBay PartsGeek | |
| GM66788 | Air filter | PartsGeek | ||
| GM67400 | Air filter | PartsGeek | ||
| GM69427 | Air filter | PartsGeek | ||
| GM90280 | Air Cleaner Assy | Air filter | PartsGeek | |
| GM90281 | Element, Air Cleaner | Air filter | PartsGeek kuduparts $43.00 | |
| GM90680 | Air filter | PartsGeek | ||
| GM90681 | Air filter | PartsGeek | ||
| GM90682 | Air filter | PartsGeek | ||
| GM92138 | Air filter | PartsGeek | ||
| GM92140 | Air filter | PartsGeek | ||
| M125A | Air filter | PartsGeek | ||
| M6923 | Air filter | PartsGeek | ||
| M933 | Air filter | PartsGeek | ||
| 100ERES | Service part / kit | PartsGeek | ||
| 100REZG | Service part / kit | PartsGeek | ||
| 125ERES | Service part / kit | PartsGeek | ||
| 125REZG | Service part / kit | PartsGeek | ||
| 150REZG | Service part / kit | PartsGeek | ||
| 25REZG | Service part / kit | PartsGeek | ||
| 25REZGB | Service part / kit | PartsGeek | ||
| 30REZG | Service part / kit | PartsGeek | ||
| 30REZGB | Service part / kit | PartsGeek | ||
| 40ERES | Service part / kit | PartsGeek | ||
| 40REZG | Service part / kit | PartsGeek | ||
| 45ERES | Service part / kit | PartsGeek | ||
| 45REZG | Service part / kit | PartsGeek | ||
| 50ERES | Service part / kit | PartsGeek | ||
| 50REZG | Service part / kit | PartsGeek | ||
| 60ERES | Service part / kit | PartsGeek | ||
| 60REZG | Service part / kit | PartsGeek | ||
| 80ERES | Service part / kit | PartsGeek | ||
| 80ERESB | Service part / kit | PartsGeek | ||
| 80REZG | Service part / kit | PartsGeek | ||
| 80REZGB | Service part / kit | PartsGeek | ||
| 80RZGB | Service part / kit | PartsGeek | ||
| GA10 | Service part / kit | PartsGeek | ||
| GA11 | Service part / kit | PartsGeek yemparts $73.54 | ||
| GA12 | Service part / kit | PartsGeek | ||
| GA13 | Service part / kit | PartsGeek | ||
| GA14 | Service part / kit | PartsGeek | ||
| GA15 | Service part / kit | PartsGeek yemparts $73.54 | ||
| GA16 | Service part / kit | PartsGeek yemparts $28.61 | ||
| GA17 | Service part / kit | PartsGeek | ||
| GA18 | Service part / kit | PartsGeek | ||
| GM64060 | Service part / kit | PartsGeek | ||
| GM65362 | Service part / kit | PartsGeek | ||
| GM66092 | Service part / kit | PartsGeek | ||
| GM66590 | Service part / kit | PartsGeek | ||
| GM66910 | Service part / kit | PartsGeek | ||
| GM66911 | Service part / kit | PartsGeek | ||
| GM69415 | Service part / kit | PartsGeek | ||
| GM71610 | Service part / kit | PartsGeek | ||
| GM86748 | Service part / kit | PartsGeek | ||
| GM86752 | Service part / kit | PartsGeek |
Compiled from this model's family documentation — may include parts for closely-related variants. 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
Brochure (Kohler)Spec sheet — 80REZG (Kohler)Spec sheet — Kohler-80REZG-spec-sheet (Kohler)Reference — Reinstated Enclosures (Kohler)Parts manual — tp6667 (Kohler)Wiring diagram — tp6712 (Kohler)