Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 40 kW |
| Standby kVA | 50 |
| Prime power | 36 kW |
| Emissions | TIER 1 |
| Controller | PowerCommand, PowerCommand 1.1, PowerStart 500 |
| Oil capacity | 10.9 L |
| Alternator | Cummins/Onan Brushless, 4 pole, drip proof, revolving field |
| Voltage options | 380/220 V, 400/230 V, 416/240 V, 440/255 V, 480/277 V, 200/115 V, 208/120 V, 220/127 V, 230/132 V, 240/138 V, 190/110 V, 220 V, 230 V, 240 V |
| Phase | 3 |
| Power factor | 0.8 |
| Battery group | 76 |
| Battery voltage | 12-volt V |
| Battery quantity | 1 |
| Coolant capacity | 50 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 2115×1044×1516 mm |
| Dry weight | 945 kg |
| Fuel tank | 200.0 L |
Maintenance & consumables
for the Cummins/Onan S3.8 series| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | find | |||
| Fuel filter | — | find | |||
| Oil filter | — | find | |||
| Belt | — | find | |||
| Coolant | 17.3 liters | — | |||
| Oil | 10.9 liters | — |
Common questions
What is the power rating of the Cummins/Onan C40 D6?
The Cummins/Onan C40 D6 is rated 40 kW standby (50.0 kVA).
What engine does the Cummins/Onan C40 D6 use?
The Cummins/Onan C40 D6 is powered by the Cummins/Onan S3.8 series engine.
What fuel does the Cummins/Onan C40 D6 use?
The Cummins/Onan C40 D6 runs on Diesel.
What alternator does the Cummins/Onan C40 D6 use?
The Cummins/Onan C40 D6 uses a Cummins/Onan Brushless, 4 pole, drip proof, revolving field alternator.
Parts
6| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 928-0502B | Service part / kit | PartsGeek | ||
| 928-0506 | Service part / kit | PartsGeek | ||
| 960-0135 | Service part / kit | PartsGeek | ||
| 960-0504A | Service part / kit | PartsGeek | ||
| 960-0505 | Service part / kit | PartsGeek | ||
| 960-12 | Service part / kit | PartsGeek |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 11.0 | ||
| Standby | 13.0 |
Available documents
Spec sheet — 0057984Spec sheet — 0058677 (Cummins/Onan)Spec sheet — 0069812Spec sheet — C40D6 EN (Cummins/Onan)Spec sheet — Cummins-C65D6 4BT3.9 (Cummins/Onan)Spec sheet — NAS-5872-EN (Cummins/Onan)Spec sheet — S-6318-EN (Cummins/Onan)Spec sheet — diesel-gen-set-rating-cards-international-60hz-2025 (Cummins/Onan)Installation manual — C30D6 Installation Manual (Cummins/Onan)Reference — 102S-103387Reference — 51070-01Service manual — C60D6 Service Manual (Cummins/Onan)