The Kohler 12 RES generator is listed with standby output of 12 kW, LPG/Natural Gas fuel, 60 Hz operation, 120/240 V, 115/230 V output, Single phase, rated current of 50 A, and sound level of 65 dBA @ 23 ft (7 m).
Generator • LPG/Natural Gas • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
29.9 kW
24.8 kW
12 kW
10 kW
How the Kohler 12 RES compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
About 55% above the similar-output Kohler average. Around the 87th percentile for this field.
About 24% above the similar-output Kohler average. Around the 70th percentile for this field.
About 13% above the similar-output Kohler average. Around the 64th percentile for this field.
About 6% below the similar-output Kohler average. Around the 9th percentile for this field.
About 38% below the similar-output Kohler average. Around the 30th percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | 12 RES |
| Generator type | Generator |
| Fuel | LPG/Natural Gas |
| Frequency | 60 Hz |
Electrical output
| Standby power | 12 kW |
|---|---|
| Prime power | 10 kW |
| Standby kVA | 12.0 |
| Voltage options | 120/240 V, 115/230 V |
| Phase | Single phase |
| Rated current | 50 A |
| Power factor | 1.0 |
| Circuit breaker | 50 A |
Engine, cooling and controls
| Engine model | Kohler CH740 |
|---|---|
| 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 | ADC 2100, ADC-RES, ADC-RES Advanced Digital, Advanced Digital, Advanced Digital (ADC 2100), Advanced Digital ADC-RES, Advanced Digital Features |
| Alternator | Kohler 2F4 |
| Emissions | EPA |
Physical specifications
| Dry weight | 401 lb (182 kg) |
|---|---|
| Dimensions (L × W × H) | 44.2 × 28.6 × 31.7 in (1123 × 726 × 804 mm) |
| Sound level | 65 dBA @ 23 ft (7 m) |
Battery
| Battery group | 26 |
|---|---|
| Battery cranking | 525 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
Fuel consumption
| Standby | 25%; 50%; 60%; 75%; 100% |
|---|---|
| Row | 77.0 gal/h @ 25%; 93.0 gal/h @ 50%; 113.0 gal/h @ 75%; 132.0 gal/h @ 100% |
Maintenance and service parts
| Engine oil | Interval: 100 hr; Capacity: 2.7 L |
|---|---|
| Oil filter | Part number: 51050; Interval: 200 hr; Capacity: ×1 |
| Fuel filter | Interval: 52 hr |
| Air filter | Interval: 300 hr |
| Belt | Interval: 12 hr |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.