Kohler KG40 Specs (Power | Consumption)

The Kohler KG40 generator is listed with standby output of 40 kW, L.P./N.G. fuel, 60 Hz operation, 7 available voltage configurations, Three phase, and rated current of 139 A.

Kohler Generator Specifications

Generator • L.P./N.G. • 60 Hz • Three phase

Standby power: 40 kWVoltage options: 7 configurationsRated current: 139 ADry weight: 1,779 lb (807 kg)

Key specifications

40 kW Standby power

L.P./N.G. Fuel

7 configurations Voltage options

Three phase Phase

139 A Rated current

1,779 lb (807 kg) Dry weight

60 Hz Frequency

Useful generator charts

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

Power-to-weight

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

This model

22.5 kW

Peer average

24.9 kW

41st percentile

Model spec snapshot

Representative numeric specifications from this generator.

40 kWStandby

139 ACurrent

1,779.13 lbWeight

How the Kohler KG40 compares

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

Standby power

40 kW

In line with avg

50th percentile

Rated current

139 A

7% below avg

35th percentile

Dry weight

1,779 lb

11% below avg

41st percentile

Oil capacity

1.88 gal

26% below avg

30th percentile

Standby power40 kW

Low 30 kWAverage 41.1 kWHigh 55 kW

Very close to the similar-output Kohler average. Around the 50th percentile for this field.

Rated current139 A

Low 43 AAverage 149 AHigh 221 A

About 7% below the similar-output Kohler average. Around the 35th percentile for this field.

Dry weight1,779 lb

Low 657 lbAverage 1,994 lbHigh 4,385 lb

About 11% below the similar-output Kohler average. Around the 41st percentile for this field.

Oil capacity1.88 gal

Low 1.09 galAverage 2.52 galHigh 4.12 gal

About 26% below the similar-output Kohler average. Around the 30th percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	KG40
Generator type	Generator
Fuel	L.P./N.G.
Frequency	60 Hz

Electrical output

Standby power	40 kW
Standby kVA	50.0
Voltage options	120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 277/480 V, 347/600 V
Phase	Three phase
Rated current	139 A
Power factor	0.8

Engine, cooling and controls

Engine model	Kohler KG6208
Engine displacement	378 cu in (6.2 L)
Aspiration / cooling	Naturally Aspirated
Rated engine speed	1800 rpm
Engine oil capacity	1.88 gal (7.1 L)
Engine coolant capacity	5.63 gal (21.3 L)
Oil capacity	1.88 gal (7.1 L)
Coolant capacity	5.49 gal (20.8 L)
Maximum ambient	122 °F (50 °C)
Controller	APM402
Alternator	Kohler 4P5X

Physical specifications

Dry weight	1, 779 lb (807 kg)
Dimensions (L × W × H)	86.6 × 40.9 × 46.1 in (2200 × 1040 × 1170 mm)

Battery

Battery cranking	630 CCA
Battery voltage	12 V
Battery quantity	1

Fuel consumption

Standby	175.2 L/h @ 25%; 268.8 L/h @ 50%; 406.8 L/h @ 75%; 584.4 L/h @ 100%

Maintenance and service parts

Engine oil	Capacity: 7.1 L
Oil filter	Specification: Cartridge; Capacity: ×1
Coolant	Specification: 50% ethylene glycol and 50% clean, softened water; Capacity: 21.3 l

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