The Kohler KD1250 generator is listed with standby output of 1250 kW, Diesel fuel, 60 Hz operation, 6 available voltage configurations, Three phase, and sound level of 97 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.
27.7 gal/hr
47.8 gal/hr
67.6 gal/hr
85.1 gal/hr
55.9 hr
32.4 hr
22.9 hr
18.2 hr
1,250 kW
1,120 kW
How the Kohler KD1250 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.
Very close to the similar-output Kohler average. Around the 43rd percentile for this field.
About 46% below the similar-output Kohler average. Around the 10th percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | KD1250 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 1250 kW |
|---|---|
| Prime power | 1120 kW |
| Standby kVA | 1562.0 |
| Voltage options | 230/400 V, 240/416 V, 277/480 V, 220/380 V, 347/600 V, 2400/4160 V |
| Phase | Three phase |
| Power factor | 0.8 |
Engine, cooling and controls
| Engine model | Kohler KD36V16 |
|---|---|
| Engine displacement | 2, 197 cu in (36 L) |
| Aspiration / cooling | Turbocharged, Intercooled |
| Rated engine speed | 1500 rpm |
| Engine oil capacity | 35.7 gal (135 L) |
| Engine coolant capacity | 62.1 gal (235 L) |
| Oil capacity | 35.7 gal (135 L) |
| Coolant capacity | 70 gal (265 L) |
| Maximum ambient | 122 °F (50 °C) |
| Controller | APM603, APM802 |
| Alternator | KH03850TO4D, KH04590TO4D, KH04830TO4D, KH05520TO4D, KH05641TO4D, KH06721TO4D, KH06810TO4D |
| Emissions | EPA-certified |
Physical specifications
| Dimensions (L × W × H) | 208.3 × 86 × 97.6 in (5291 × 2184 × 2480 mm) |
|---|---|
| Sound level | 97 dBA @ 23 ft (7 m) |
Battery
| Battery cranking | 1110 CCA |
|---|---|
| Battery voltage | 12 V |
| Battery quantity | 4 |
Fuel system and runtime
| Fuel tank | 1, 548.8 gal (5, 863 L) |
|---|
Fuel consumption
| Standby | 27.7 gal/h (105.0 L/h) @ 25%; 47.8 gal/h (181.0 L/h) @ 50%; 67.6 gal/h (256.0 L/h) @ 75%; 85.1 gal/h (322.0 L/h) @ 100% |
|---|---|
| Prime | 25.1 gal/h (95.0 L/h) @ 25%; 43.3 gal/h (164.0 L/h) @ 50%; 61.6 gal/h (233.0 L/h) @ 75%; 77.4 gal/h (293.0 L/h) @ 100% |
Maintenance and service parts
| Engine oil | Interval: 1000 hr; Specification: Lubricant Category 3 (Standard); Capacity: 150.0 l |
|---|---|
| Oil filter | Interval: 1000 hr; Specification: With Category 3 oil (Standard); Capacity: ×4 |
| Fuel filter | Part number: — | 230510004; Interval: 1000 hr; Specification: Primary fuel filter | Secondary; Capacity: ×1 |
| Air filter | Part number: GM69997; Specification: Outer |
| Coolant | Interval: 8000 hr; Specification: BASF GLYSANTIN G40 (With analysis extension); Capacity: 124.0 l |
| Belt | Interval: 4000 hr; Specification: V-ribbed belt for battery charging alternator (PRP / COP) |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.