The Kohler 125REZGT generator is listed with standby output of 105 kW, Propane fuel, 60 Hz operation, 6 available voltage configurations, Single phase, rated current of 150 A, and sound level of 69 dBA @ 75 ft (23 m).
Generator • Propane • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
4.9 gal/hr
6.2 gal/hr
52.7 hr
41.6 hr
13.1 kW
29.1 kW
105 kW
100 kW
How the Kohler 125REZGT 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 44% below the similar-output Kohler average. Around the 17th percentile for this field.
About 113% above the similar-output Kohler average. Around the 95th percentile for this field.
Very close to the similar-output Kohler average. Around the 35th percentile for this field.
About 35% below the similar-output Kohler average. Around the 33rd percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | 125REZGT |
| Generator type | Generator |
| Fuel | Propane |
| Frequency | 60 Hz |
Electrical output
| Standby power | 105 kW |
|---|---|
| Prime power | 100 kW |
| Standby kVA | 131.0 |
| Voltage options | 110/127 V, 139/240 V, 254/277 V, 208/220 V, 240/415 V, 440/480 V |
| Phase | Single phase |
| Rated current | 150 A |
| Circuit breaker | 400 A |
Engine, cooling and controls
| Engine model | Psi 8.8 L |
|---|---|
| Engine displacement | 537 cu in (8.8 L) |
| Aspiration / cooling | Turbocharged and Charge Cooled |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 2.25 gal (8.5 L) |
| Engine coolant capacity | 6.74 gal (25.5 L) |
| Oil capacity | 2.25 gal (8.5 L) |
| Controller | Decision-Maker 3500 |
| Emissions | EPA Certified Prime |
Physical specifications
| Dry weight | 8, 001 lb (3, 629 kg) |
|---|---|
| Dimensions (L × W × H) | 157.2 × 73.5 × 86.9 in (3993 × 1867 × 2206 mm) |
| Sound level | 69 dBA @ 75 ft (23 m) |
Fuel system and runtime
| Fuel tank | 258.1 gal (977 L) |
|---|
Fuel consumption
| Prime | 4.9 gal/h (18.5 L/h) @ 50%; 6.2 gal/h (23.5 L/h) @ 75% |
|---|
Maintenance and service parts
| Engine oil | Capacity: 8.5 L |
|---|
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.
