Specifications
| Frequency | 50.0 Hz |
|---|---|
| Standby power | 51 kW |
| Prime power | 46 kW |
| Emissions | EPA Tier2 (TPEM) |
| Oil capacity | 7.5 L |
| Voltage options | 12 V |
| Phase | single |
| Max ambient | 13 °C |
| Dimensions (L×W×H) | 838×622×814 mm |
| Dry weight | 265 kg |
Engine
| Coolant capacity | 17.0 L |
|---|---|
| Displacement | 3.3 L |
| Aspiration | radiator cooled |
| Rated speed | 1500 rpm |
Maintenance & consumables
for the Cummins/Onan B3.3| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 1000 hr | |||
| Fuel filter | — | 250 hr | |||
| Oil filter | — | 1000 hr | |||
| Battery | — | 500 hr | |||
| Belt | — | 1000 hr | |||
| Coolant | — | ||||
| Coolant filter | — | ||||
| Oil | See Cummins B3.3 Series Engines Operation and Maintenance Manual Specifications section. | — | 250 hr | ||
| Spark plug | — |
Common questions
How many kW is the Cummins/Onan 4BT3.3-G6?
The Cummins/Onan 4BT3.3-G6 is rated 51 kW standby.
What engine is in the Cummins/Onan 4BT3.3-G6?
The Cummins/Onan 4BT3.3-G6 is powered by the Cummins/Onan B3.3 engine.
Parts
14| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 12-0654 | Air Filter | 1 | Air filter | Amazon eBay |
| 12-0657 | Oil Filter | 1 | Oil filter | Amazon eBay |
| 12-0658 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 12-0659 | Coolant Filter | 1 | Coolant filter | Amazon eBay |
| 12-0660 | Belt | 1 | Belt | Amazon eBay |
| 12-0661 | Battery | 1 | Battery | Amazon eBay |
| 12-0662 | Spark Plug | 1 | Spark plug | Amazon eBay |
| S103 | Selector switch | Switch | Amazon eBay | |
| TB1-5 | Charger AC Failure | 1 | Terminal block | Amazon eBay FridayParts $20.80 |
| TB1-6 | Control box terminal (TB1-6) | Terminal | Amazon eBay | |
| A11-TB1-6 | REMOTE START | Service part / kit | Amazon eBay | |
| A11-TB1-7 | (REMOTE START) | 6 | Service part / kit | Amazon eBay |
| TB1-7 | B+ OUTPUT | Service part / kit | Amazon eBay | |
| TB1-8 | Jump TB1-8 to 10 Harness Relay #1 COM Blue N/O White / Blue | 1 | Service part / kit | Amazon eBay FridayParts $87.88 |
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 | 75% | 11.0 | 2.8 |
| Standby | 100% | 15.0 | 4.0 |
Available documents
Spec sheet — 4BT33-G6 (Cummins/Onan)