The Kohler GMKD750 generator is listed with standby output of 750 kW, Diesel fuel, 60 Hz operation, 9 available voltage configurations, Three phase, and sound level of 93 dBA @ 23 ft (7 m).
Generator • Diesel • 60 Hz • Three phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
13.9 gal/hr
27 gal/hr
39.8 gal/hr
49.7 gal/hr
38.5 hr
19.8 hr
13.5 hr
10.8 hr
58.3 kW
55.3 kW
750 kW
680 kW
How the Kohler GMKD750 compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
About 21% above the similar-output Kohler average. Around the 70th percentile for this field.
About 4% above the similar-output Kohler average. Around the 71st percentile for this field.
About 3% above the similar-output Kohler average. Around the 58th percentile for this field.
About 23% above the similar-output Kohler average. Around the 61st percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | GMKD750 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 750 kW |
|---|---|
| Prime power | 680 kW |
| Standby kVA | 935.0 |
| Voltage options | 120/208 V, 127/220 V, 139/240 V, 220/380 V, 230/400 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V |
| Phase | Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Engine model | Kohler KD18L06 |
|---|---|
| Engine displacement | 1, 096 cu in (17.96 L) |
| Aspiration / cooling | Turbocharged, Charge Air Cooled |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 25.6 gal (97 L) |
| Engine coolant capacity | 10.4 gal (39.5 L) |
| Oil capacity | 25.6 gal (97 L) |
| Coolant capacity | 20 gal (75.7 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | APM603, APM802 |
| Alternator | KH02970TO4D, KH03450TO4D (4-pole, Class H insulation) |
| Emissions | Tier 2 |
Physical specifications
| Dry weight | 12, 875 lb (5, 840 kg) |
|---|---|
| Dimensions (L × W × H) | 141.7 × 74.8 × 84.7 in (3600 × 1900 × 2151 mm) |
| Sound level | 93 dBA @ 23 ft (7 m) |
Battery
| Battery cranking | 925 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery quantity | 2 |
Fuel system and runtime
| Fuel tank | 535.7 gal (2, 028 L) |
|---|
Fuel consumption
| Standby | 13.9 gal/h (52.0 L/h) @ 25%; 27.0 gal/h (102.0 L/h) @ 50%; 39.8 gal/h (151.0 L/h) @ 75%; 49.7 gal/h (188.0 L/h) @ 100% |
|---|---|
| Prime | 12.5 gal/h (47.0 L/h) @ 25%; 22.3 gal/h (85.0 L/h) @ 50%; 32.8 gal/h (124.0 L/h) @ 75%; 44.2 gal/h (167.0 L/h) @ 100% |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.
