The Cummins/Onan 4BTAA3.3-G11 is a 3.3 L turbocharged, charge air cooled engine. It powers generator sets from Cummins/Onan, including the B3.3 series, C40 D5R and C60 D5R. It holds 7 L (1.8 gal) of oil and 13 L (3.4 gal) of coolant.
Also known as: 4BTAA3.3 G11, Cummins® 4BTAA3.3-G11
Part of the Cummins/Onan 4BTAA3.3 engine family — 10 variants share parts & fitment.
| Oil capacity | 7.0 L |
|---|---|
| Coolant capacity | 13.0 L |
| Displacement | 3.3 L |
| Aspiration | Turbocharged, Charge Air Cooled |
How to read your Cummins/Onan engine serial & model number →
| Part # | Description | Category |
|---|---|---|
| PI144D1 | Alternator Model | alternator |
| UC274C | Alternator Model | alternator |
| UC274K | Alternator Model | alternator |
| V2403-M-E3BG | Engine Model | other_service |
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 4BTAA3.3-G11 engine has an oil capacity of 7.0 liters.
The Cummins/Onan 4BTAA3.3-G11 has a displacement of 3.3 liters.
The Cummins/Onan 4BTAA3.3-G11 powers 3 generator set(s), including Cummins/Onan B3.3 series, Cummins/Onan C40 D5R, Cummins/Onan C60 D5R.