Self-propelled tractors or pushing vehicles, e.g. mules (with cable traction B61J3/06)

Full Title

Shunting or short-distance haulage devices; Similar devices for hauling trains on steep gradients or as starting aids; Car propelling devices therefor (overhead travelling cranes combined with auxiliary means for shunting railway vehicles B66C17/26; capstans B66D) > Self-propelled tractors or pushing vehicles, e.g. mules (with cable traction B61J3/06)