TheSNCF Class BB 66400 is a class of centre cab mixed traffic diesel locomotives. The class is a development of theBB 66000 with 3 phase electric transmission. The 106 locomotives were built forSNCF by a consortium of CAFL, CEM, Alsthom, Fives-Lille and SACM between 1968 and 1971. They are 14.972 m (49.12 ft) long and weigh 64 t (63 long tons; 71 short tons). The prime mover is a MGO V16BSHR diesel engine developing 1,030 kW (1,380 hp). The maximum speed is 120 km/h (75 mph).[1]
As built they had no train heating but were later fitted with electric train heating and equipped for push–pull working for operating local passenger trains.
From 2004 some 75 members of the class were rebuilt with newMTU 12V 4000 R41 engines and reclassified asBB 69400.[2]
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