... STQ4250L7Y9S3 2..Engine:375HP Euro3 3.Towing mass: 50T SITOM Heavy-duty 40 ton trailer truck “YOULONG” 6×4 Tractor Truck:Standard ... ,rated input tonque 1800N.MGearbox ratioForward:12.10,9.41,7.31,5.71,4.46,3.48,2.71,2 ... -roof,rear mechanical type suspension,3 seats,with sleeper, with air conditionChassis frameReinforced,Frame breadth 300mm,double-deck sheet(8mm+4mm ...