The Cummins/Onan G8.3GC is a 8.3 L engine. It powers generator sets from Cummins/Onan, including the C70N6C.
Also known as: Cummins G8.3GC
| Displacement | 8.3 L |
|---|
How to read your Cummins/Onan engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | One spin-on canister-combination full flow with bypass | — | |||
| Battery | 550 CCA (cold soak at -18 °C (0 °F) or above) | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Pressure | Silencer Back Pressure (Factory Enclosed Units Only) | 12.7 | mm Hg | Factory enclosed units only |
| Pressure | Total System Back Pressure Allowed | 51 | mm Hg | |
| Speed | Overspeed Limit | 2100 | rpm | |
| Speed | Random Frequency Variation | ±0.5 | % | |
| Voltage | Random Voltage Variation | ±1 | % | Three-phase only |
| Voltage | Voltage Regulation, No Load to Full Load | ±1 | % |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | NG | Fuel inlet pressure at GenSet connection: 356 to 508 mm WC (14 to 20 in. WC) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Cummins/Onan G8.3GC has a displacement of 8.3 liters.
The Cummins/Onan G8.3GC powers 1 generator set(s), including Cummins/Onan C70N6C.