The Cummins/Onan 4BTA3.9G1 is a 3.9 L engine. It powers generator sets from Cummins/Onan, including the C80 D5.
Also known as: Cummins 4BTA3.9G1, 4BTA3.9G1
| Displacement | 3.9 L |
|---|
How to read your Cummins/Onan engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Cleaner Element (normal duty) | 0140-3550 | eBay | ||
| Fuel filter | Fuel - Filter | FS3345 | eBay | ||
| Oil filter | Oil - Filter | LF1251 | eBay |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Cummins/Onan 4BTA3.9G1 has a displacement of 3.9 liters.
The Cummins/Onan 4BTA3.9G1 powers 1 generator set(s), including Cummins/Onan C80 D5.