The Cummins/Onan B3.3 is a 3.3 L 4-cylinder turbocharged engine rated at 1500 rpm. It powers generator sets from Cummins/Onan, including the 4BT3.3-G6, DGGD, DGHD and DGHE.
Part of the Cummins/Onan B3.3 engine family — 3 variants share parts & fitment.
| Displacement | 3.3 L |
|---|---|
| Cylinders | 4 |
| Aspiration | turbocharged |
| Rated speed | 1500 rpm |
| Part # | Description | Category |
|---|---|---|
| 12-0654 | Air Filter | air_filter |
| 12-0661 | Battery | battery |
| 12-0660 | Belt | belt |
| 12-0659 | Coolant Filter | coolant_filter |
| 12-0658 | Fuel Filter | fuel_filter |
| 12-0657 | Oil Filter | oil_filter |
| 12-0662 | Spark Plug | spark_plug |
| A11-TB1-7 | remote start switch | switch |
| S103 | selector switch S103 on the control PCB | switch |
| TB1-6 | terminal (TB1-6) | terminal |
| TB1-7 | terminal (TB1-7) | terminal |
| TB1-8 | terminal (TB1-8) | terminal |
| A11-TB1-6 | run signal out | terminal_block |
| TB1-5 | remote terminal | terminal_block |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Cummins/Onan B3.3 has a displacement of 3.3 liters with 4 cylinders.
The Cummins/Onan B3.3 powers 4 generator set(s), including Cummins/Onan 4BT3.3-G6, Cummins/Onan DGGD, Cummins/Onan DGHD, Cummins/Onan DGHE.