backhoe loader 4x4 1,front loader,back digger 2,buffer valve hydraulic system 3,Engine type/power(KW):Weichai 4100/44kw(60HP) front loader,back ... digger ,backhoe loader 4x4small type backhoe loader buffer valve hydraulic system, ensure reliable, efficient, ... blade size(mm) Hydraulic systemflow(ml/r)63 front loader back digger backhoe loader 4x4