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B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; VEHICLES CAPABLE OF TRAVELLING IN OR ON DIFFERENT MEDIA, e.g. AMPHIBIOUS VEHICLES
B60F1/00—Vehicles for use both on rail and on road; Conversions therefor
B60F1/04—Vehicles for use both on rail and on road; Conversions therefor with rail and road wheels on different axles
B60F1/043—Vehicles comprising own propelling units
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61J—SHIFTING OR SHUNTING OF RAIL VEHICLES
B61J3/00—Shunting or short-distance haulage devices; Similar devices for hauling trains on steep gradients or as starting aids; Car propelling devices therefor
B61J3/12—Self-propelled tractors or pushing vehicles, e.g. mules
B—PERFORMING OPERATIONS; TRANSPORTING
B60—VEHICLES IN GENERAL
B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; VEHICLES CAPABLE OF TRAVELLING IN OR ON DIFFERENT MEDIA, e.g. AMPHIBIOUS VEHICLES
B60F2301/00—Retractable wheels
B60F2301/12—Retractable wheels using transverse wheels, endless chains, or the like, i.e. rail wheels axes orthogonal to road wheel axes