The Kohler 5.5CM21 generator is listed with standby output of 5 kW, Gasoline fuel, 60 Hz operation, 120 V output, Single phase, and rated current of 46 A.
Generator • Gasoline • 60 Hz • Single phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
16 kW
24.8 kW
How the Kohler 5.5CM21 compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
About 36% below the similar-output Kohler average. Around the 23rd percentile for this field.
About 14% above the similar-output Kohler average. Around the 64th percentile for this field.
About 12% below the similar-output Kohler average. Around the 47th percentile for this field.
About 23% above the similar-output Kohler average. Around the 73rd percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | 5.5CM21 |
| Generator type | Generator |
| Fuel | Gasoline |
| Frequency | 60 Hz |
Electrical output
| Standby power | 5 kW |
|---|---|
| Voltage options | 120 V |
| Phase | Single phase |
| Rated current | 46 A |
Engine, cooling and controls
| Engine model | Kohler K582QS |
|---|---|
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 1 gal (3.8 L) |
| Oil capacity | 1 gal (3.8 L) |
| Controller | Decision-Maker |
Physical specifications
| Dry weight | 313 lb (142 kg) |
|---|---|
| Dimensions (L × W × H) | 26 × 21.5 × 20.4 in (660 × 546 × 517 mm) |
Battery
| Battery voltage | 12 V |
|---|---|
| Battery quantity | 1 |
Maintenance and service parts
| Engine oil | Specification: API service class SF; straight SAE 30 preferred (see viscosity chart) |
|---|---|
| Oil filter | Specification: 5.5CM/7CM only (full-flow oil filter); adds 0.5 qt oil capacity when replaced |
| Air filter | Interval: 200 hr; Specification: Clean element regularly; replace every 200 hours |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.
