The Cummins Onan C22 D5 generator is listed with standby output of 18 kW, Diesel fuel, 50 Hz operation, 3 available voltage configurations, and 3 phase.
Generator • Diesel • 50 Hz • 3 phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
12.6 kW
19.2 kW
18 kW
16 kW
How the Cummins Onan C22 D5 compares
This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.
About 13% below the similar-output Cummins Onan average. Around the 32nd percentile for this field.
About 11% above the similar-output Cummins Onan average. Around the 72nd percentile for this field.
About 9% above the similar-output Cummins Onan average. Around the 60th percentile for this field.
Generator information
| Manufacturer | Cummins Onan |
|---|---|
| Model | C22 D5 |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 50 Hz |
Electrical output
| Standby power | 18 kW |
|---|---|
| Prime power | 16 kW |
| Voltage options | 400 V, 380 V, 230 V |
| Phase | 3 phase |
Engine, cooling and controls
| Engine model | Cummins/Onan X2.5G2 |
|---|---|
| Engine displacement | 153 cu in (2.5 L) |
| Aspiration / cooling | Naturally aspirated |
| Rated engine speed | 1500 rpm |
| Engine oil capacity | 1.93 gal (7.3 L) |
| Engine coolant capacity | 2.91 gal (11 L) |
| Oil capacity | 1.93 gal (7.3 L) |
| Coolant capacity | 3.96 gal (15 L) |
| Maximum ambient | 122 °F (50 °C) |
| Alternator | Cummins/Onan DS338-CPGK, DS340-CPGK, DS342-CPGK, DS339-CPGK, DS341-CPGK, DS343-CPGK (Class H insulation) |
Physical specifications
| Dry weight | 1, 433 lb (650 kg) |
|---|---|
| Dimensions (L × W × H) | 65.6 × 36.6 × 50.5 in (1667 × 930 × 1282 mm) |
Fuel consumption
| Standby | 0.7 gal/h (2.5 L/h) @ 0% |
|---|
Maintenance and service parts
| Engine oil | Specification: Cummins heavy-duty engine oil |
|---|---|
| Oil filter | Specification: Spin on full flow filter, filtration efficiency 25 micron 99% (min) |
| Fuel filter | Specification: Spin on fuel filters with water separator |
| Air filter | Specification: Dry replaceable element |
| Coolant | Specification: Antifreeze 50/50 (Ethylene glycol) |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.