Kohler 12RESV Specs (Power | Consumption)

The Kohler 12RESV generator is listed with standby output of 12 kW, Natural Gas fuel, 60 Hz operation, 120 V, 240 V output, Single phase, rated current of 50 A, and sound level of 67 dBA @ 23 ft (7 m).

Kohler Generator Specifications

Generator • Natural Gas • 60 Hz • Single phase

Standby power: 12 kWVoltage options: 120 V, 240 VRated current: 50 ADry weight: 432 lb (196 kg)

Key specifications

12 kW Standby power

Natural Gas Fuel

120 V, 240 V Voltage options

Single phase Phase

50 A Rated current

432 lb (196 kg) Dry weight

67 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

27.8 kW

Peer average

24.8 kW

72nd percentile

Model spec snapshot

Representative numeric specifications from this generator.

12 kWStandby

50 ACurrent

432.11 lbWeight

67 dBASound

How the Kohler 12RESV compares

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

Standby power

12 kW

55% above avg

87th percentile

Rated current

50 A

24% above avg

70th percentile

Dry weight

432 lb

22% above avg

74th percentile

Sound level

67 dBA

3% below avg

59th percentile

Standby power12 kW

Low 3 kWAverage 7.8 kWHigh 14 kW

About 55% above the similar-output Kohler average. Around the 87th percentile for this field.

Rated current50 A

Low 14 AAverage 40 AHigh 100 A

About 24% above the similar-output Kohler average. Around the 70th percentile for this field.

Dry weight432 lb

Low 130 lbAverage 354 lbHigh 785 lb

About 22% above the similar-output Kohler average. Around the 74th percentile for this field.

Sound level67 dBA

Low 65 dBAAverage 69.3 dBAHigh 82.8 dBA

About 3% below the similar-output Kohler average. Around the 59th percentile for this field.

Oil capacity0.5 gal

Low 0.25 galAverage 0.81 galHigh 2.3 gal

About 38% below the similar-output Kohler average. Around the 30th percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	12RESV
Generator type	Generator
Fuel	Natural Gas
Frequency	60 Hz

Electrical output

Standby power	12 kW
Standby kVA	12.0
Voltage options	120 V, 240 V
Phase	Single phase
Rated current	50 A
Power factor	1.0
Circuit breaker	60 A

Engine, cooling and controls

Engine model	Kohler KT725
Engine displacement	44 cu in (0.725 L)
Aspiration / cooling	Air-Cooled
Rated engine speed	3600 rpm
Engine oil capacity	0.5 gal (1.9 L)
Oil capacity	0.5 gal (1.9 L)
Controller	DC2, RDC2
Alternator	Kohler 2F4
Emissions	EPA 40 CFR 60

Physical specifications

Dry weight	432 lb (196 kg)
Dimensions (L × W × H)	30.6 × 28 × 32.4 in (777 × 712 × 824 mm)
Sound level	67 dBA @ 23 ft (7 m)

Battery

Battery group	51
Battery cranking	500 CCA
Battery voltage	12 V
Battery quantity	1

Fuel consumption

Standby	25%; 50%; 75%; 100%
Exercise	2.1 L/h @ 100%

Maintenance and service parts

Engine oil	Interval: 100 hr; Specification: 5W-30 API Service Class SG, SH, or SJ synthetic oil; Capacity: 1.9 L
Oil filter	Interval: 100 hr
Air filter	Interval: 150 hr

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