| Item No. | GD500B |
| Engine type | Air cooled,two stroke ,single cylinder |
| Engine model | 1E44F-5 |
| Displacement | 51.7 cc |
| Rated power output | 1.45KW/2HP |
| Idling speed | 3000±200rpm |
| Fuel tank capacity | 1.2L |
| Bit diameter | 50/80/100/150/200/250/300mm |
| Certiffication | CE, GS, EMC,EURO V |
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