The Kohler 125REOZJG generator is listed with standby output of 125 kW, Diesel fuel, 60 Hz operation, 7 available voltage configurations, Three phase, and rated current of 188 A.
Generator • Diesel • 60 Hz • Three phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
3 gal/hr
5.6 gal/hr
7.6 gal/hr
9.9 gal/hr
46.2 kW
29.1 kW
125 kW
114 kW
How the Kohler 125REOZJG compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
About 39% above the similar-output Kohler average. Around the 91st percentile for this field.
About 30% below the similar-output Kohler average. Around the 25th percentile for this field.
About 28% below the similar-output Kohler average. Around the 49th percentile for this field.
About 6% above the similar-output Kohler average. Around the 59th percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | 125REOZJG |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 125 kW |
|---|---|
| Prime power | 114 kW |
| Standby kVA | 156.0 |
| Voltage options | 120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V, 347/600 V |
| Phase | Three phase |
| Rated current | 188 A |
| Power factor | 0.8 |
Engine, cooling and controls
| Engine model | John Deere 4045HF285 |
|---|---|
| Engine displacement | 275 cu in (4.5 L) |
| Aspiration / cooling | Turbocharged, Charge Air-Cooled |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 3.67 gal (13.9 L) |
| Engine coolant capacity | 5.07 gal (19.2 L) |
| Oil capacity | 3.67 gal (13.9 L) |
| Coolant capacity | 5.07 gal (19.2 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | Decision-Maker 3000 |
| Alternator | Kohler 4R12X |
| Emissions | Tier 3 EPA-Certified for Stationary Emergency Applications |
Physical specifications
| Dry weight | 2, 703 lb (1, 226 kg) |
|---|---|
| Dimensions (L × W × H) | 106.3 × 44.1 × 60.1 in (2700 × 1120 × 1527 mm) |
Battery
| Battery cranking | 800 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery quantity | 1 |
Fuel consumption
| Standby | 3.0 gal/h (11.4 L/h) @ 25%; 5.6 gal/h (21.1 L/h) @ 50%; 7.6 gal/h (29.0 L/h) @ 75%; 9.9 gal/h (37.4 L/h) @ 100% |
|---|---|
| Prime | 2.8 gal/h (10.6 L/h) @ 25%; 5.1 gal/h (19.5 L/h) @ 50%; 7.1 gal/h (26.9 L/h) @ 75%; 9.2 gal/h (34.8 L/h) @ 100% |
Maintenance and service parts
| Engine oil | Capacity: 12.0 L |
|---|---|
| Oil filter | Part number: GM32809; Specification: Cartridge; Capacity: ×1 |
| Fuel filter | Part number: — | GM50074 | GM50006; Specification: Primary | Secondary |
| Air filter | Specification: Dry |
| Belt | Part number: 352793 |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.
