Kohler GMKD1500 Specs (Power | Consumption)

The Kohler GMKD1500 generator is listed with standby output of 1500 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: 1500 kWVoltage options: 6 configurationsDry weight: 28,431 lb (12,896 kg)

Key specifications

1500 kW Standby power

Diesel Fuel

6 configurations Voltage options

Three phase Phase

28,431 lb (12,896 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

32.8 gal/hr

50% load

58.6 gal/hr

75% load

83.5 gal/hr

100% load

105.9 gal/hr

Estimated runtime by load

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

25% load

47.2 hr

50% load

26.4 hr

75% load

18.5 hr

100% load

14.6 hr

Power-to-weight

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

This model

52.8 kW

Peer average

51.6 kW

61st percentile

Power output

Low 1,350 kW High 1,500 kW

Standby

1,500 kW

Prime

1,350 kW

How the Kohler GMKD1500 compares

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

Standby power

1,500 kW

23% below avg

33rd percentile

Dry weight

28,431 lb

16% below avg

37th percentile

Sound level

97 dBA

In line with avg

43rd percentile

Oil capacity

47.55 gal

27% below avg

28th percentile

Standby power1,500 kW

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

About 23% below the similar-output Kohler average. Around the 33rd percentile for this field.

Dry weight28,431 lb

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

About 16% below the similar-output Kohler average. Around the 37th 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 capacity47.55 gal

Low 25.87 galAverage 65.49 galHigh 110.95 gal

About 27% below the similar-output Kohler average. Around the 28th percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	GMKD1500
Generator type	Generator
Fuel	Diesel
Frequency	60 Hz

Electrical output

Standby power	1500 kW
Prime power	1350 kW
Standby kVA	1875.0
Voltage options	240/416 V, 277/480 V, 230/400 V, 220/380 V, 347/600 V, 2400/4160 V
Phase	Three phase
Power factor	0.8

Engine, cooling and controls

Engine model	Kohler KD45V20
Engine displacement	2, 743 cu in (44.946 L)
Aspiration / cooling	Turbocharged after-cooled
Rated engine speed	1500 rpm
Engine oil capacity	47.6 gal (180 L)
Engine coolant capacity	37.8 gal (143 L)
Oil capacity	47.6 gal (180 L)
Coolant capacity	73.4 gal (278 L)
Maximum ambient	122 °F (50 °C)
Controller	APM603, APM802
Alternator	KH03850TO4D
Emissions	Tier 2

Physical specifications

Dry weight	28, 431 lb (12, 896 kg)
Dimensions (L × W × H)	228.3 × 84.7 × 97.6 in (5799 × 2152 × 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	32.8 gal/h (124.0 L/h) @ 25%; 58.6 gal/h (222.0 L/h) @ 50%; 83.5 gal/h (316.0 L/h) @ 75%; 105.9 gal/h (401.0 L/h) @ 100%
Prime	31.4 gal/h (119.0 L/h) @ 25%; 53.6 gal/h (203.0 L/h) @ 50%; 75.8 gal/h (287.0 L/h) @ 75%; 98.0 gal/h (371.0 L/h) @ 100%

Maintenance and service parts

Engine oil	Interval: 250 hr; Capacity: 180.0 l
Oil filter	Part number: 230510001; Interval: 250 hr; Capacity: ×4
Fuel filter	Part number: 330510016; Specification: Primary Engine Filter; Capacity: ×1
Air filter	Interval: 3000 hr; Specification: main element
Coolant	Interval: 6000 hr; Specification: SI-OAT or hybrid technology with ethylene glycol; Capacity: 143.0 l
Belt	Interval: 3000 hr; Specification: 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.