7t mini crawler excavator 1.BT3.3 engine cummins 2.Japan toshiba hydraulic system. 3.komatsu tech. 4.with CE certificate 7t crawler excavatorExcavator Ma Specification 1.Main SpecificationItem Unit ValueArm cylinder 100×60Arm cylinder 100×60Engine (originally imported)Model B3.3(Cummins)Battery(v,Ah)12V,120Alternator(A)12V,60Start motor(Kw)12V,2.2Max. torque(N.M/rpm)214/1600Rated output(Kw/rpm)45 ...