Cummins 4BTA3.9-GM65 Marine Generator Engine specification datasheet
| General data of Cummins 4BTA3.9-GM65 Marine Auxiliary Engine | |
| Engine Model | Cummins 4BTA3.9-GM65 |
| Type | 4 cylinder in line |
| Displacement | 3.9 L |
| Bore&Stroke | 102×120 mm |
| Dry Weight | 350 KG |
| Dimension(L*W*H) | 867mm*544mm*988mm |
| Center of gravity from front face of block | 373 mm |
| Center of gravity above crankshaft centerline | 163 mm |
| Rated Output | 65/KW/87HP |
| Standby Output | 72KW/96HP |
| Aspiration | Turbocharged & Water-Air Intercooled |
| Fuel System | A Pump/GAC Governor Regulation ≤5% |
| Coolant capacity-engine only | 7.9 litre |
| Idle speed | 950-1050 RPM |
| Compression ratio | 17.3:1 |
| Firing Order | 1-3-4-2 |
| Cooling Method | Water Cooled |
| Manufacture Plant | Dongfeng Cummins Plant |
