| Model | WP20 | WP30 | WP40 | ||||||
| Outlet size(mm) | 50 | 80 | 100 | ||||||
| Inlet size(mm) | 50 | 80 | 100 | ||||||
| Speed(rpm) | 3600 | ||||||||
| Displacement Q.max(m3 /h) | 36 | 60 | 108 | ||||||
| Lift H.max(m) | 27 | 26 | 26 | ||||||
| Suction(m) | 7 | 7 | 8 | ||||||
| Engine Model | BN168F | BN168F | BN173F | ||||||
| Engine Type | Forced air-cooled 4-stroke | ||||||||
| Bore*Stroke (mm) | 68*45 | 68*45 | 73*58 | ||||||
| Displacement (cm 3 ) | 163 | 163 | 242 | ||||||
| Compression Ratio | 8.5:1 | 8.5:1 | 8.2:1 | ||||||
| Max Power Output(HP/rmp) | 5.5/3600 | 5.5/3600 | 13/3600 | ||||||
| Max Torque(N.m/rpm) | 11/2500 | 11/2500 | 17/2500 | ||||||
| Start model | Recoil and hand-operated | ||||||||
| Air cleaner | semi-dry | ||||||||
| Furl tank capacity(L) | 3.6 | 3.6 | 6 | ||||||
| Fuel Consumption(g/Kw.h) | ≤450 | ≤450 | ≤392 | ||||||
| Oil capacity (L) | 0.6 | 0.6 | 1.1 | ||||||
| 20GP | 385 | 330 | 144 | ||||||
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