B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
B61C9/44—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with hollow transmission shaft concentric with wheel axis
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61C—LOCOMOTIVES; MOTOR RAILCARS
B61C13/00—Locomotives or motor railcars characterised by their application to special systems or purposes
B61C13/04—Locomotives or motor railcars characterised by their application to special systems or purposes for elevated railways with rigid rails
B—PERFORMING OPERATIONS; TRANSPORTING
B61—RAILWAYS
B61C—LOCOMOTIVES; MOTOR RAILCARS
B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
B61C9/46—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors forming parts of wheels