RUIBIN—20D（EY20D）
| MODEL | RUIBIN—20A（EY20D） |
| TYPE | Aircooled, 4cycle, upright single cylinder, side valve, horizontal PTO shaft |
| Bore x Stroke（mm） | 67x 52 |
| Displacement（CM3） | 183 |
| Continuous output kW(HP)/rpm | 2.65(3.5)/3600 |
| Maximum output kW(HP)/rpm | 3.73(5.0)/4000 |
| Maximum torque N m(kgf?m)/rpm | 9.3/2800 |
| Direction of rotation | Counter clockwise as viewed from PTO shaft side |
| Fuel | Automobile(unleaded)gasoline |
| Fuel Tank capacity liter(US gal.) | 3.8(1) |
| Lubricant | Engine oil SAE 10W-30,20W,30W |
| Lubrication Oil Capacity (US gal.) | 0.6(0.156) |
| Lubrication | Mechanical splashing type |
| Carburetor | Float type |
| Starter | Recoil starter |
| lgnition system | Transistorized |
| Dry weight Kg | 15 |
| Packing Size(cm) | 38×38×45 |
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