| Model | WP-20 | WP-30 |
| Engine Type | Singie-cylinder,4-stroke,Air-cooled,OHV | |
| Engine Model | 168F/168F-1 | 168F-1/170F |
| Speed | 3600rpm | |
| Starting system | Recoil/Electric | |
| Diameter of ohtlet/inlet | 50mm(2'') | 80mm(3'') |
| Flow | 30m3/h | 58m3/h |
| Suction head | 8m | 8m |
| Pump Lift | 30m | 28m |
| N.W./G.W. | 22kgs/23kgs | 24kgs/25kgs |
| CTN Size | 480×380×410mm | 500×385×430mm |
| Loading | 882pcs/40HQ | 828pcs/40HQ |