The GX390 engine is suitable for a wide range of heavy-duty applications such as construction equipment, tillers, generators, welders, pumps and other industrial applications.
| Engine Type | Air cooled 4-stroke ohv petrol engine, 25deg inclined cylinder, horizontal shaft, cast iron sleev |
| Bore x stroke | 88 x 64mm |
| Displacement | 389 cm3 |
| Compression Ratio | 8.2 : 1 |
| Net Power | 8.7kw ( 11.7hp ) /3600rpm |
| Cont. rated power |
6.4kw (8.6hp) / 3000 rpm 7.0kw (9.4hp) / 3600rpm |
| Max. net torque | 26.5 nm / 2.7 Kgfm / 2500rpm |
| Ignition System | Digital Cdi with variable ignition timing |
| Starting System | Recoil Starter ( electric start optional) |
| Fuel tank capacity | 6.1 ltr |
| Fuel cons. at cont. rated power | 3.5 L/hr - 3600RPM |
| Engine oil capcity | 1.1 L |
| Dimesnions ( l x w x h) | 406 x 460 x 448mm |
| Dry Weight | 31.7 kg |
