... STQ4250L7Y9S3 2..Engine:375HP Euro3 3.Towing mass: 50T SITOM Heavy-duty 40 ton trailer truck “YOULONG” 6×4 Tractor Truck:Standard ... 1.64,1.28,1.00,0.78Reverse:11.56ClutchDry type,disc diameter Φ430mmSUSPENSION SYSTEMFront axleDF Dana single 7T front ... mass:40000kg,Max. towing mass:60000kgCabinT360 high-roof,rear mechanical type suspension,3 seats,with sleeper, with air conditionChassis frameReinforced, ...