truck parts howo trailer Steering Axle 1:ISO9001:2000 2: steering axle&drive axle 3:Front steering axle(non-drive) truck parts howo trailer Steering Axle 1.CharacteristicIntegral front steering axle, composed of front I-shape member, steering knuckle, king pin, steering knuckle arm and trapezoid arm and so on,functions in bearing and steering. Varieties of this axle are widely applied on heavy ...