Kohler 20RES Specs (Power | Consumption)

The Kohler 20RES generator is listed with standby output of 20 kW, LPG/Natural Gas fuel, 60 Hz operation, 120/240 V output, Single phase, rated current of 83.3 A, and sound level of 69 dBA @ 23 ft (7 m).

Kohler Generator Specifications

Generator • LPG/Natural Gas • 60 Hz • Single phase

Standby power: 20 kWVoltage options: 120/240 VRated current: 83.3 ADry weight: 536 lb (243 kg)

Key specifications

20 kW Standby power

LPG/Natural Gas Fuel

120/240 V Voltage options

Single phase Phase

83.3 A Rated current

536 lb (243 kg) Dry weight

69 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.

Power-to-weight

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

This model

37.3 kW

Peer average

23.7 kW

86th percentile

Model spec snapshot

Representative numeric specifications from this generator.

20 kWStandby

83.3 ACurrent

535.72 lbWeight

69 dBASound

How the Kohler 20RES compares

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

Standby power

20 kW

4% below avg

49th percentile

Rated current

83 A

9% below avg

46th percentile

Dry weight

536 lb

52% below avg

10th percentile

Sound level

69 dBA

In line with avg

59th percentile

Standby power20 kW

Low 15 kWAverage 20.7 kWHigh 28.1 kW

About 4% below the similar-output Kohler average. Around the 49th percentile for this field.

Rated current83 A

Low 64 AAverage 92 AHigh 162 A

About 9% below the similar-output Kohler average. Around the 46th percentile for this field.

Dry weight536 lb

Low 487 lbAverage 1,116 lbHigh 2,961 lb

About 52% below the similar-output Kohler average. Around the 10th percentile for this field.

Sound level69 dBA

Low 56.2 dBAAverage 70.1 dBAHigh 93 dBA

Very close to the similar-output Kohler average. Around the 59th percentile for this field.

Oil capacity0.5 gal

Low 0.5 galAverage 1.8 galHigh 2.92 gal

About 72% below the similar-output Kohler average. Around the 3rd percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	20RES
Generator type	Generator
Fuel	LPG/Natural Gas
Frequency	60 Hz

Electrical output

Standby power	20 kW
Standby kVA	21.0
Voltage options	120/240 V
Phase	Single phase
Rated current	83.3 A
Power factor	1.0
Circuit breaker	100 A

Engine, cooling and controls

Engine model	Kohler CH1000
Engine displacement	61 cu in (0.999 L)
Aspiration / cooling	Air-Cooled
Rated engine speed	3600 rpm
Engine oil capacity	0.71 gal (2.7 L)
Oil capacity	0.5 gal (1.9 L)
Controller	DC, DC2, RDC, RDC Residential Digital, RDC2
Alternator	Kohler 2F7
Emissions	EPA

Physical specifications

Dry weight	536 lb (243 kg)
Dimensions (L × W × H)	47.8 × 28.9 × 31.6 in (1215 × 733 × 802 mm)
Sound level	69 dBA @ 23 ft (7 m)

Battery

Battery group	26
Battery cranking	500 CCA
Battery voltage	12 V
Battery quantity	1

Fuel consumption

Standby	25%; 50%; 75%; 100%
Prime	225.0 gal/h (6.4 L/h) @ 100%

Maintenance and service parts

Engine oil	Interval: 100 hr; Specification: Recommended cold cranking amps: (CCA) rating for -18_C (0_F)
Oil filter	Part number: 52 050 02-S; Interval: 200 hr; Capacity: ×1
Air filter	Interval: 300 hr

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