1.Model:12HP power tiller with diesel engine 2.175/180/190,etc 3.6hp/8hp/10hp,etc ... .1 3.81.30,4.60Rotary Tillerspeed (rpm)High256275Low188219 Diesel engine ModelS180NS190N Type Single cylinder,horizontal,Water cooled Diesel4 strokeSinglecylinder,horizontal ... ,Water cooled Diesel4 strokeRated power kw(hp)5.8 (8)7.2 (10)Rated speed ...