The SINOTRUK HOWO tractor head 420HP is a heavy-duty 6x4 prime mover engineered for punishing logistics and mining operations. Featuring a high-torque D12.42 engine and reinforced HC16 axles, this truck ensures maximized uptime on unpaved roads worldwide. Images of SINOTRUK HOWO Tractor Head 420HP Features of HOWO 420HP truck tractor 6X4 1