The Cummins/Onan GTA855G2 is a 14 L 8-cylinder natural aspiration engine rated at 1800 rpm, producing up to 336 kW. It powers generator sets from Cummins/Onan, including the GFBB. It holds 104 L (27.5 gal) of oil and 25 L (6.6 gal) of coolant.
Also known as: Cummins GTA855G2
| Oil capacity | 104.0 L |
|---|---|
| Coolant capacity | 25.0 L |
| Displacement | 14.0 L |
| Cylinders | 8 |
| Aspiration | Natural aspiration |
| Rated speed | 1800 rpm |
| Gross power | 336 kW |
How to read your Cummins/Onan engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Not specified | — | |||
| Fuel filter | Not specified | — | |||
| Oil filter | Not specified | — | |||
| Battery | Not specified | — | |||
| Belt | Not specified | — | |||
| Coolant | Not specified | — | |||
| Oil | Not specified | — | |||
| Spark plug | Not specified | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Cummins/Onan GTA855G2 engine has an oil capacity of 104.0 liters.
The Cummins/Onan GTA855G2 has a displacement of 14.0 liters with 8 cylinders.
The Cummins/Onan GTA855G2 powers 1 generator set(s), including Cummins/Onan GFBB.