HOWO A7 6*4 Tractor Truck 1>D12.42-30 420 hp engine 2>HW18710 transimission 3>tow 40000kg 4>offer all brands tractor truck SINOTRUCK (CNHTC) HOWO A7 *4 Tractor Truck ( ZZ4257V3247N1B)We provide all brands tractor truck. Eg: ISUZU tractor truck, SINOTRUCK tractor truck, HOWO tractor truck, DFAC tractor truck, DFL tractor truck, FAW tractor truck, FOTON tractor truck, SX tractor truck, JAC tractor ...