Kohler KD1250-4 Specs (Power | Consumption)

The Kohler KD1250-4 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).

Kohler Generator Specifications

Generator • diesel • 60 Hz • Three phase

Standby power: 1250 kWVoltage options: 6 configurationsDry weight: 26,266 lb (11,914 kg)

Key specifications

1250 kW Standby power

diesel Fuel

6 configurations Voltage options

Three phase Phase

26,266 lb (11,914 kg) Dry weight

97 dBA @ 23 ft (7 m) Sound level

60 Hz Frequency

Useful generator charts

Charts are shown only when this model has enough usable source data.

Fuel consumption by load

How fuel use changes as generator load increases.

25% load

24.9 gal/hr

50% load

44.1 gal/hr

75% load

65.2 gal/hr

100% load

88.2 gal/hr

Estimated runtime by load

Calculated from the listed 1,548.8 gal fuel capacity and fuel-consumption data.

25% load

62.2 hr

50% load

35.1 hr

75% load

23.8 hr

100% load

17.6 hr

Power-to-weight

Standby output per 1,000 lb of dry weight versus similar-output Kohler models.

This model

47.6 kW

Peer average

51.6 kW

30th percentile

Power output

Low 1,135 kW High 1,250 kW

Standby

1,250 kW

Prime

1,135 kW

How the Kohler KD1250-4 compares

This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.

Standby power

1,250 kW

36% below avg

21st percentile

Dry weight

26,266 lb

23% below avg

17th percentile

Sound level

97 dBA

In line with avg

43rd percentile

Oil capacity

35.66 gal

46% below avg

10th percentile

Standby power1,250 kW

Low 1,000 kWAverage 1,949.6 kWHigh 3,480 kW

About 36% below the similar-output Kohler average. Around the 21st percentile for this field.

Dry weight26,266 lb

Low 16,766 lbAverage 33,893 lbHigh 56,100 lb

About 23% below the similar-output Kohler average. Around the 17th percentile for this field.

Sound level97 dBA

Low 87.2 dBAAverage 96.5 dBAHigh 99 dBA

Very close to the similar-output Kohler average. Around the 43rd percentile for this field.

Oil capacity35.66 gal

Low 25.87 galAverage 65.49 galHigh 110.95 gal

About 46% below the similar-output Kohler average. Around the 10th percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	KD1250-4
Generator type	Generator
Fuel	diesel
Frequency	60 Hz

Electrical output

Standby power	1250 kW
Prime power	1135 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 KD36V16-6ANS
Engine displacement	2, 197 cu in (36 L)
Aspiration / cooling	Turbocharged, Intercooled
Rated engine speed	1800 rpm
Engine oil capacity	35.7 gal (135 L)
Engine coolant capacity	32.8 gal (124 L)
Oil capacity	35.7 gal (135 L)
Coolant capacity	70 gal (265 L)
Maximum ambient	122 °F (50 °C)
Controller	APM603
Alternator	KH03850TO4D
Emissions	Tier 4 Final

Physical specifications

Dry weight	26, 266 lb (11, 914 kg)
Dimensions (L × W × H)	203.9 × 96.5 × 97.6 in (5179 × 2452 × 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	24.9 gal/h (94.0 L/h) @ 25%; 44.1 gal/h (167.0 L/h) @ 50%; 65.2 gal/h (247.0 L/h) @ 75%; 88.2 gal/h (334.0 L/h) @ 100%
Prime	23.2 gal/h (88.0 L/h) @ 25%; 40.3 gal/h (153.0 L/h) @ 50%; 59.3 gal/h (224.0 L/h) @ 75%; 79.4 gal/h (301.0 L/h) @ 100%

Maintenance and service parts

Oil filter	Part number: 230510001; Capacity: ×4
Fuel filter	Part number: 330510016; Specification: Primary Engine Filter; Capacity: ×1

Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.