| Model | DWP-20 | DWP-30 | DWP-40 |
| Diameter of ohtlet/inlet | 50×50mm(2'') | 80×80mm(3'') | 100×100mm(4'') |
| Rotation speed | 3600rpm | ||
| Max Flow | 28m3/h | 52m3/h | 82m3/h |
| Pump Lift | 23m | 28m | 27m |
| Max Suction | 7m | 7m | 7m |
| Engine Model | 173F(5HP) | 178F(7HP) | 186FA(10HP) |
| Rated power | 2.8kw | 4kw | 6.3kw |
| Fuel consumption | 288g/kW.h | 285g/kW.h | 281g/kW.h |
| Displacement | 212cc | 296cc | 418cc |
| Engine Type | single-cylinder,vertical,4-stroke,Air-cooled,direct injection | ||
| Bore×Stroke | 70×55mm | 78×62mm | 86×72mm |
| Compression Ration | 20:1 | 20:1 | 19:1 |
| Lubricating System | Pressure splashed | ||
| Fuel tank Capacity | 2.5L | 3.5L | 5.5L |
| Lube oil capacity | 0.75L | 1.1L | 1.65L |
| Start | Recoil Splashed | ||
| CTN Size | 525×410×515mm | 570×445×550mm | 650×480×600mm |
| Loading | 250pcs/20GP | 200pcs/20GP | 130pcs/20GP |