1.Powered by MELLGA air-cooled diesel engine; 2. High pressure casting aluminum alloy for pump body; 3. Vibration-proof design prolong the working life; 4. All water pumps have CE & TUV approved. Specifications: MODEL MDP50C(L) Suction / Discharge port dia (mm) 50(2") Max. Capacity (M3 / hr) 36 Max. Head (m) / (feet) 26 / 85.3 Engine Speed (rpm) 3000 Self-priming time (s / 4m) 70 Max. Suction Head (m) / (feet) 8 / 26.25 Engine Model MD170FP Engine Cont. output (hp) 3.8 Engine Displacement (cc) / (cu.in) 211 / 12.9 Fuel Tank Capacity (L) / (US.Gal) C=2.5 / 0.66 CL=12.5 / 3.3 Unit Net Weight (kg) / (lbs) C=38 / 83.8 CL=41 / 90.3 Unit Dimensions(L x W x H) (mm) / (inch) C=475*400*500 C=18.7*15.7*19.6 CL=475*455*615 CL=18.7*17.9*24.2 MODEL MDP80C(L) Suction / Discharge port dia (mm) 80(3") Max. Capacity (M3 / hr) 50 Max. Head (m) / (feet) 25 / 82 Engine Speed (rpm) 3000 Self-priming time (s / 4m) 120 Max. Suction Head (m) / (feet) 8 / 26.25 Engine Model MD178FP Engine Cont. output (hp) 5.5 Engine Displacement (cc) / (cu.in) 296 / 18.1 Fuel Tank Capacity (L) / (US.Gal) C=3.5 / 0.92 CL=12.5 / 3.3 Unit Net Weight (kg) / (lbs) C=45 / 99.2 CL=49 / 108 Unit Dimensions(L x W x H) (mm) / (inch) C=540*440*540 C=21.2*17.3*21.2 CL=540*455*655 CL=21.2*17.9*25.7 MODEL MDP100C(L) Suction / Discharge port dia (mm) 100(4") Max. Capacity (M3 / hr) 96 Max. Head (m) / (feet) 31 / 101.7 Engine Speed (rpm) 3000 Self-priming time (s / 4m) 180 Max. Suction Head (m) / (feet) 8 / 26.25 Engine Model MD186FP Engine Cont. output (hp) 7.7 Engine Displacement (cc) / (cu.in) 406 / 24.8 Fuel Tank Capacity (L) / (US.Gal) C=5.5 / 1.45 CL=12.5 / 3.3 Unit Net Weight (kg) / (lbs) C=67 / 147.7 CL=70 / 154.3 Unit Dimensions(L x W x H) (mm) / (inch) C=645*475*605 C=25.3*18.7*23.8 CL=645*475*725 CL=25.3*18.7*28.5