The Kohler 125REZG generator is listed with standby output of 105 kW, LP Gas fuel, 60 Hz operation, 5 available voltage configurations, and Three phase.
Generator • LP Gas • 60 Hz • Three phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
42 kW
29.1 kW
How the Kohler 125REZG compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
About 17% above the similar-output Kohler average. Around the 77th percentile for this field.
About 33% below the similar-output Kohler average. Around the 38th percentile for this field.
About 39% below the similar-output Kohler average. Around the 23rd percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | 125REZG |
| Generator type | Generator |
| Fuel | LP Gas |
| Frequency | 60 Hz |
Electrical output
| Standby power | 105 kW |
|---|---|
| Standby kVA | 131.0 |
| Voltage options | 208 V, 600 V, 127/220 V, 120/240 V, 347/600 V |
| Phase | Three phase |
| Power factor | 0.8 / 1.0 |
Engine, cooling and controls
| Oil capacity | 2.11 gal (8 L) |
|---|---|
| Coolant capacity | 10 / 24.2 L |
| Maximum ambient | 122 °F (50 °C) |
| Controller | Decision-Maker 3+, Decision-Maker 550 |
| Alternator | Kohler 4R12X |
| Emissions | EPA-Certified for Stationary Emergency Applications |
Physical specifications
| Dry weight | 2, 500 lb (1, 134 kg) |
|---|---|
| Dimensions (L × W × H) | 94.5 × 40.9 × 58.4 in (2400 × 1040 × 1484 mm) |
Battery
| Battery cranking | 630 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery quantity | 1 |
Fuel consumption
| Standby | 25%; 50%; 75%; 100% |
|---|
Maintenance and service parts
| Engine oil | Specification: Full Pressure |
|---|---|
| Oil filter | Specification: Cartridge |
| Air filter | Specification: Dry |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.
