Specifications
| Fuel | Propane |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 105 kW |
| Standby kVA | 131 |
| Prime power | 100 kW |
| Emissions | EPA Certified Prime |
| Controller | Decision-Maker 3+, Decision-Maker 3500, Decision-Maker 550 |
| Oil capacity | 8.0 L |
| Voltage options | 120 V |
| Phase | 3 |
| Power factor | [0.8, 1.0] |
| Circuit breaker | 150 A |
| Battery cranking | 630 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | [10.0, 24.2] L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 4597×2006×2845 mm |
| Dry weight | 1134 kg |
| Sound level | 71.0 dBA @ 7 m |
| Fuel tank | 977.0 L |
| Tank runtime | 24 hr |
Engine
| Oil capacity | 8.5 L |
|---|---|
| Coolant capacity | 25.5 L |
| Displacement | 8.8 L |
| Aspiration | Turbocharged and Charge Cooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Psi 8.8 L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry | — | find | ||
| Fuel filter | — | find | |||
| Oil filter | Cartridge | — | find | ||
| Belt | — | find | |||
| Coolant | — | ||||
| Oil | Full Pressure | — |
Common questions
What is the power rating of the Kohler 125REZG?
The Kohler 125REZG is rated 105 kW standby (131.0 kVA).
What engine does the Kohler 125REZG use?
The Kohler 125REZG is powered by the Psi 8.8 L engine.
What fuel does the Kohler 125REZG use?
The Kohler 125REZG runs on Propane.
What is the oil capacity of the Kohler 125REZG?
The Psi 8.8 L engine in the Kohler 125REZG has an oil capacity of 8.5 liters.
Parts
3| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 150ERESC | KOHLER 150ERESC generator | Service part / kit | buy | |
| 400REOZJ | fill, fuel gauge, oil fill and battery | Service part / kit | buy | |
| GM80582-MA1 | X-612-7 | 1 | 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 |
|---|---|---|---|
| Prime | 50% | 18.5 | 4.9 |
| Prime | 75% | 23.5 | 6.2 |
| Standby | |||
| Standby | 25% | ||
| Standby | 50% | ||
| Standby | 75% | ||
| Standby | 100% |
Available documents
BrochureSpec sheetInstallation manualReferenceOwner's manualParts manualWiring diagram