| Model | HF270F | HF390F | HF420F | HF460F |
| Type | Single cylinder,4-stroke,air-cooled |
| Bore*Stroke（mm） | 77*58 | 88*64 | 90*66 | 92*69 |
| Displacement（cc） | 270 | 389 | 420 | 460 |
| Rated output power（KW/rpm） | 5.1/3600 | 7.8/3600 | 8.2/3600 | 8.5/3600 |
| Max.output power（HP） | 9 | 13 | 15 | 18 |
| Max.toque（N.M./rpm) | 17.2/2500 | 26.5/2500 | 27.2/2500 | 28.3/2500 |
| Fuel tank capacity（L） | 6 | 6 | 6 | 6 |
| Continuous working time（H ) | 3 | 3 | 3 | 3 |
| Oil Capability（L） | 1.1 | 1.1 | 1.1 | 1.1 |
| Carton size（mm） | 500*450*490 | 500*450*490 | 500*450*490 | 500*450*490 |
| N.W./G.W.（KG） | 27/28 | 29/30 | 30/31 | 31/32 |
