The Kohler 1250REOZM generator is listed with standby output of 1250 kW, Diesel fuel, 60 Hz operation, 5 available voltage configurations, and Three phase.
Generator • Diesel • 60 Hz • Three phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
29.2 gal/hr
51 gal/hr
75.1 gal/hr
103.4 gal/hr
47.2 kW
51.6 kW
1,250 kW
1,160 kW
How the Kohler 1250REOZM compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
About 36% below the similar-output Kohler average. Around the 21st percentile for this field.
About 22% below the similar-output Kohler average. Around the 23rd percentile for this field.
About 27% below the similar-output Kohler average. Around the 28th percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | 1250REOZM |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 1250 kW |
|---|---|
| Prime power | 1160 kW |
| Standby kVA | 1600.0 |
| Voltage options | 220/380 V, 240/416 V, 277/480 V, 347/600 V, 2400/4160 V |
| Phase | Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Engine model | Mitsubishi S12R-Y2PTAW-1 |
|---|---|
| Engine displacement | 2, 990 cu in (49 L) |
| Aspiration / cooling | Turbocharged, Inter Cooler |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 47.6 gal (180 L) |
| Engine coolant capacity | 134.5 gal (509.1 L) |
| Oil capacity | 47.6 gal (180 L) |
| Coolant capacity | 90.1 gal (341 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | APM603, Decision-Maker 550, Decision-Maker 6000 |
| Alternator | 7M4046, 7M4048, 7M4050, 7M4052, 7M4172, 7M4174, 7M4288, 7M4366, 7M4368 |
| Emissions | Tier 2 EPA-Certified for Stationary Emergency Applications |
Physical specifications
| Dry weight | 26, 500 lb (12, 020 kg) |
|---|---|
| Dimensions (L × W × H) | 240.8 × 87.9 × 98.1 in (6116 × 2232 × 2491 mm) |
Battery
| Battery cranking | 1150 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery quantity | 4 |
Fuel consumption
| Standby | 29.2 gal/h (110.0 L/h) @ 25%; 51.0 gal/h (193.0 L/h) @ 50%; 75.1 gal/h (284.0 L/h) @ 75%; 103.4 gal/h (392.0 L/h) @ 100% |
|---|---|
| Prime | 27.6 gal/h (105.0 L/h) @ 25%; 46.4 gal/h (176.0 L/h) @ 50%; 68.4 gal/h (259.0 L/h) @ 75%; 90.9 gal/h (344.0 L/h) @ 100% |
Maintenance and service parts
| Oil filter | Part number: GM38852 |
|---|---|
| Fuel filter | Part number: GM13947; Specification: Secondary |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.
