howo tractor head , heavy truck, steyr tractor truck Axle form:6X4 ,trailer,towing,trailer Power:420HP,386HP,340HP,290HP, howo tractor headSinotruck howo tractor truck, SINOTRUKHOWO truck 6x4. Tractor truck , ... heavy duty tuckAxle form:6X4 Power(HP):420HP,386HP,340HP,290HP,270HPName vehicles Tractor truck Types ...