SNCF Class BB 66400

The SNCF Class BB 66400 is a class of centre cab mixed traffic diesel locomotives. The class is a development of the BB 66000 with 3 phase electric transmission. The 106 locomotives were built for SNCF 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]

SNCF Class BB 66400
BB66438 is seen at La Ferté-Gaucher heading a Paris Est train
Type and origin
Power typeDiesel-electric
BuilderCAFL/CEM/Alsthom/Fives-Lille/SACM
Build date1968–1971
Total produced106
Specifications
Configuration:
​
 • CommonwealthBo-Bo
Gauge1,435 mm (4 ft 8 1⁄2 in)
Wheel diameter1,100 mm (43 in)
Length14.972 m (49.12 ft)
Loco weight64 t (63 long tons; 71 short tons)
Prime moverMGO V16BSHR
Transmission3 phase electric
MU workingYes
Train heatingETH
Performance figures
Maximum speed120 km/h (75 mph)
Power output1,030 kW (1,380 hp)
Tractive effort167 kN (38,000 lbf)
Career
OperatorsSNCF
Number in class106
NumbersBB 66401–BB 66506

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 new MTU 12V 4000 R41 engines and reclassified as BB 69400.[2]

References
  1. Garvin, Brian; Fox, Peter; Appleby, Chris (1986). SNCF/French National Railways. Sheffield: Platform Five. p. 44. ISBN 0-906579-62-7.
  2. van Uden, Marco. "SNCF TER diesel locomotives". Railfan Europe. Retrieved 13 January 2021.
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