trailer axles

Axles are an a very important part of a wheeled truck or trailer, the axles allows driving torque to the wheel, as well as maintain the position of the wheels The trailer axles in this system must also carry the weight of the vehicle plus any cargo.

Trailer axles for sale

Looking for trailer axles for sale,trailer axles or just new or used trailer axles

A non-driving axle, such as the front beam axle will have no shaft. It is used only as a suspension and steering component. 
In other types  the axles serves only to give torque to the driving wheels ,"Axle"when talking about vehicles means parallel wheels on opposite sides.