... ,unique outline,vibration design, self-primming Gasoline Water PumpDescripttion Model No. GNB40H1 The Diameter Port Of Inter & Output 4.0inch(100mm) Rated Capacity 90m3/hTotal ... Noisy Level @ 7 Meter 111dB Engine Type OVH, Single Cylinder, 4-Stroke, Air-Cooled Engine Model GN188F Displacement 389cc Max.Output ... *H 600*445*500mm N.W/G.W 48/50KG 4.0inch Gasoline Water Pump(GNB40H1)