... 1. Diesel water pump( 3") 2.Displacement:296CC 3.Single-sylinder ,verlical,4-stroke,air-cooled ,direcl-injeclion Diesel ModelGD20GD30GD40TypeGeneral-Purpose diesel pumpEngine ... -cooled ,direcl-injeclion Diesel(,4,,)Engine Model XH170FXH178FXH186FDisplacement (CC) 211296406Suction/Discharge Port Diameter (inch)2"3"4"Cont. Head ... (m) 888Cont.Output(kw/hp)2.5(3.4)3.8(5.2)6.5(9)Rated speed(rpm) ...