The classes (BR) 215 and 218 diesel locomotives of the Western German Railway (DB) are used in mixed service since 1968. 218 101 to 194, 218 242 to 288 were equipped with a 12 cylinder 4 stroke main Diesel from MAN that was later called MTU 12 V 956 TB10 that generates 2500 HP. The 2800 HP version of this motor is called MTU 12 V 956 TB11. In the late 1980s the exhaust system of BR 218 with the 12 V motor had been optimized. Since 1995 many of the 218 are equipped with motors called "MTU 12 V 956 TB11 NEU". The technical data stayed nearly the same but the exhaust detoxication improved again.
