The General Motors GM8.1L is a 8.1 L engine. It powers generator sets from Cummins/Onan, including the GGLA.
Also known as: General Motors GM8.1L
| Displacement | 8.1 L |
|---|
Compiled from service & troubleshooting documentation across every generator set that uses the General Motors GM8.1L.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | Ground Voltage: 12 Volts, Group Number: 31, Minimum Rating (Cold Soak): 455 CCA @ 0° F (-18° C) | — | |||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | Check the engine oil level. Keep the oil level near as possible to the dipstick high mark without overfilling. | — | |||
| Spark plug | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The General Motors GM8.1L has a displacement of 8.1 liters.
The General Motors GM8.1L powers 1 generator set(s), including Cummins/Onan GGLA.
A commonly reported issue on generators using the General Motors GM8.1L is: If the engine does not start, the starter will disengage after a specified period of time and the control will indicate an overcrank shutdown.. Fix: To clear a Fail to Start shutdown, place the O/Manual/Auto switch in the O position and press the Fault Acknowledge/Reset button. Wait two minutes for the starter motor to cool and then repeat the starting procedure. If the engine does not run after a second attempt, refer to the Troubleshooting section..