Kohler KD120U Specs (Power | Consumption)

The Kohler KD120U generator is listed with standby output of 117 kW, Diesel fuel, 60 Hz operation, 6 available voltage configurations, and Three phase.

Kohler Generator Specifications

Generator • Diesel • 60 Hz • Three phase

Standby power: 117 kWVoltage options: 6 configurationsDry weight: 3,241 lb (1,470 kg)

Key specifications

117 kW Standby power

Diesel Fuel

6 configurations Voltage options

Three phase Phase

3,241 lb (1,470 kg) Dry weight

60 Hz Frequency

Useful generator charts

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

Estimated fuel consumption by load

Estimated from comparable Kohler diesel models; not a manufacturer-rated curve.

25% load

3.13 gal/hr

50% load

5.16 gal/hr

75% load

7.31 gal/hr

100% load

9.47 gal/hr

Estimated runtime by load

Calculated from the listed 89.8 gal fuel capacity and estimated fuel-consumption data.

25% load

28.7 hr

50% load

17.4 hr

75% load

12.3 hr

100% load

9.5 hr

Power-to-weight

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

This model

36.1 kW

Peer average

29.1 kW

70th percentile

Power output

Low 106 kW High 117 kW

Standby

117 kW

Prime

106 kW

How the Kohler KD120U compares

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

Standby power

117 kW

30% above avg

83rd percentile

Dry weight

3,241 lb

14% below avg

62nd percentile

Oil capacity

5.44 gal

58% above avg

88th percentile

Standby power117 kW

Low 60 kWAverage 90 kWHigh 127 kW

About 30% above the similar-output Kohler average. Around the 83rd percentile for this field.

Dry weight3,241 lb

Low 1,883 lbAverage 3,755 lbHigh 8,555 lb

About 14% below the similar-output Kohler average. Around the 62nd percentile for this field.

Oil capacity5.44 gal

Low 1.24 galAverage 3.45 galHigh 7.29 gal

About 58% above the similar-output Kohler average. Around the 88th percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	KD120U
Generator type	Generator
Fuel	Diesel
Frequency	60 Hz

Electrical output

Standby power	117 kW
Prime power	106 kW
Standby kVA	50.0
Voltage options	127/220 V, 115/230 V, 220/380 V, 230/400 V, 240/415 V, 115/200 V
Phase	Three phase
Power factor	0.8

Engine, cooling and controls

Engine model	John Deere 6068TF220
Engine displacement	415 cu in (6.8 L)
Aspiration / cooling	Turbocharged
Rated engine speed	1500 rpm
Engine oil capacity	5.68 gal (21.5 L)
Engine coolant capacity	7.21 gal (27.3 L)
Oil capacity	5.44 gal (20.6 L)
Coolant capacity	7.21 gal (27.3 L)
Maximum ambient	122 °F (50 °C)
Controller	Decision-Makert 1000
Alternator	Leroy-Somer LSA442S7

Physical specifications

Dry weight	3, 241 lb (1, 470 kg)

Battery

Battery cranking	760 CCA
Battery voltage	12 V
Battery quantity	1

Fuel system and runtime

Fuel tank	89.8 gal (340 L)

Fuel consumption

Standby	9.1 gal/h (34.5 L/h) @ 110%
Prime	8.5 gal/h (3.6 L/h) @ 0%; 32.0 L/h @ 100%

Maintenance and service parts

Engine oil	Capacity: 21.5 L
Oil filter	Part number: 330560553; Specification: Oil System
Air filter	Part number: 330570114; Specification: Air intake
Coolant	Capacity: 27.3 L

Estimated fuel consumption

25% load	3.13 gal/hr (11.8 L/hr)
50% load	5.16 gal/hr (19.5 L/hr)
75% load	7.31 gal/hr (27.7 L/hr)
100% load	9.47 gal/hr (35.8 L/hr)

Estimated from comparable Kohler diesel generator curves using rated output, engine displacement, engine speed and aspiration where available. These are not manufacturer-rated values.

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