... 3.Single-sylinder ,verlical,4-stroke,air-cooled ,direcl-injeclion Diesel ModelGD20GD30GD40TypeGeneral-Purpose diesel pumpEngine TypeSingle-sylinder ,verlical,4-stroke,air-cooled ,direcl-injeclion Diesel(,4,,)Engine Model XH170FXH178FXH186FDisplacement (CC ... head (m) 888Cont.Output(kw/hp)2.5(3.4)3.8(5.2)6.5(9)Rated speed(rpm)300030003000Start ModeRecoil/Electric(optional ...