The Kohler GMKD900 generator is listed with standby output of 900 kW, Diesel fuel, 60 Hz operation, 9 available voltage configurations, Three phase, and sound level of 96 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.
20.1 gal/hr
35.7 gal/hr
50.8 gal/hr
64.7 gal/hr
45.7 hr
25.7 hr
18.1 hr
14.2 hr
52.5 kW
55.3 kW
900 kW
810 kW
How the Kohler GMKD900 compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
About 45% above the similar-output Kohler average. Around the 91st percentile for this field.
About 38% above the similar-output Kohler average. Around the 79th percentile for this field.
About 7% above the similar-output Kohler average. Around the 83rd percentile for this field.
About 27% above the similar-output Kohler average. Around the 71st percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | GMKD900 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 900 kW |
|---|---|
| Prime power | 810 kW |
| Standby kVA | 1125.0 |
| Voltage options | 120/208 V, 127/220 V, 139/240 V, 240/416 V, 254/440 V, 277/480 V, 220/380 V, 230/400 V, 347/600 V |
| Phase | Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Engine model | Kohler KD27V12 |
|---|---|
| Engine displacement | 1, 646 cu in (26.967 L) |
| Aspiration / cooling | Turbocompresor |
| Rated engine speed | 1500 rpm |
| Engine oil capacity | 26.6 gal (100.7 L) |
| Engine coolant capacity | 14.4 gal (54.5 L) |
| Oil capacity | 26.6 gal (100.7 L) |
| Coolant capacity | 32.5 gal (123 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | APM603, APM802 |
| Alternator | KH03450TO4D |
| Emissions | Tier 2 |
Physical specifications
| Dry weight | 17, 130 lb (7, 770 kg) |
|---|---|
| Dimensions (L × W × H) | 164.6 × 78.2 × 86.6 in (4181 × 1986 × 2200 mm) |
| Sound level | 96 dBA @ 23 ft (7 m) |
Battery
| Battery cranking | 1110 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery quantity | 2 |
Fuel system and runtime
| Fuel tank | 918 gal (3, 475 L) |
|---|
Fuel consumption
| Standby | 20.1 gal/h (76.0 L/h) @ 25%; 35.7 gal/h (135.0 L/h) @ 50%; 50.8 gal/h (192.0 L/h) @ 75%; 64.7 gal/h (245.0 L/h) @ 100% |
|---|---|
| Prime | 19.2 gal/h (73.0 L/h) @ 25%; 32.7 gal/h (124.0 L/h) @ 50%; 46.2 gal/h (175.0 L/h) @ 75%; 59.8 gal/h (226.0 L/h) @ 100% |
Maintenance and service parts
| Engine oil | Interval: 500 hr; Specification: ACEA E4/E7/E6/E9; Capacity: 101.0 l |
|---|---|
| Oil filter | Part number: 230510001; Specification: Cartridge; Capacity: ×2 |
| Fuel filter | Part number: 330510016; Specification: Primary Engine Filter; Capacity: ×1 |
| Coolant | Interval: 6000 hr; Specification: BASF GLYSANTIN G40/G48; Capacity: 55.0 l |
| Belt | Interval: 4000 hr; Specification: Belt for water pump and battery charging alternator |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.