... 2.Engine:420HP 3.Steering:Zf8098 HOWO Tractor TruckAll the engines, cabs, axles, gearboxes, frames and other ... full-floating damper, heating & ventilation system,TransmissionHW19712Rear axleST1Front AxleHF7 Rims 8.50-20Tyre 12.00R20 radial tireSteeringZF8098 , German hydraulic steering ... ecporting all kinds of heavy duty trucks,such as tractor truck,dump truck,cargo truck,concrete truck,tanker truck ...