ModelGWP20CXGWP30CXGWP40CX TypeSelf-priming centrifugal pump Suction*delivery(mm)(inch)50*50  2*280*80  3*3100*100  4*4 Engine modelGE168FGE168-2GE188 Engine output (HP)5.56.513 Displacement: (m³/h)366080 Lift: (m)463228 Suction: (m)8 Fuel tank capacity (L)3.83.86 Pipe diameter: (mm)222525 Starting systemRecoil (Electric Start as optional) Dimension (L *W * H) mm525*405*435550*450*450625*460*555 Net Weight (kg)242869 Gross Weight (kg)253070