OverviewTransmission typesHistoryMultiple-unit operationFittings and appliancesEnvironmental impactAdvantages over steamSee also
A diesel–mechanical locomotive uses a mechanical transmission in a fashion similar to that employed in most road vehicles. This type of transmission is generally limited to low-powered, low-speed shunting (switching) locomotives, lightweight multiple units and self-propelled railcars. The mechanical transmissions used for railroad propulsion are generally mor