SNCF Class BB 60031

The SNCF Class BB 60030 diesel locomotives were built by FAMH / Jeumont for the Chemin de Fer Paris-Lyon-Méditerranée (PLM) in 1938. They were powered by Sulzer engines, producing 550 bhp, and weighed 68.5 tonnes.[1][2]

PLM 4.DMD
SNCF 040.DD
SNCF 60030-series
PLM "4.DMD" prototype No. 4-DMD-2 (SNCF No.BB 60032) built 1938, at the Cité du Train museum, Mulhouse, March 2009
Type and origin
Power typeDiesel-electric
Builder
Build date1938
Total produced3
Specifications
Configuration:
​
 • UICBo′Bo′
Gauge1,435 mm (4 ft 8 1⁄2 in)
Wheel diameter1,120 mm (3 ft 8 in)
Wheelbase:
 • Engine		6.000 m (19 ft 8.2 in)
 • Bogie2.500 m (8 ft 2.4 in)
Length12.200 m (40 ft 0.3 in)
Width3.000 m (9 ft 10.1 in)
Height4.150 m (13 ft 7.4 in)
Loco weight68.5 tonnes (67.4 long tons; 75.5 short tons)
Prime moverSulzer 6LDA25
AspirationRateau turbocharger
Displacement94 litre
Alternator355V 353kW
Traction motorsJeumont TC 118, 4 off
Cylinders6
Cylinder size250 by 320 millimetres (9.83 in × 12.6 in)
Performance figures
Maximum speed50 km/h (31 mph)
Power output550 CV (400 kW; 540 hp)
Career
Operators
Class
  • PLM: 4.DMD
  • SNCF: 040.DD, later 60030
Withdrawn1969–1973
PreservedOne: 4.DMD.2

Three locomotives were built. They were initially given their PLM numbers – 4.DMD.1 to 4.DMD.3, but were soon renumbered into the SNCF numbering system as 040.DD. to 040.DD.3. In 1962, they were renumbered again as BB 60031 to 60033.

Numbering
Number Built Withdrawn Status
1938 1939 1962
4.DMD.1 040.DD.1 BB 60031 1938 1970 Scrapped
4.DMD.2 040.DD.2 BB 60032 1938 1971 Preserved at Cité du Train
4.DMD.3 040.DD.3 BB 60033 1938 1969 Scrapped
Key:
Preserved
Scrapped

Preservation

One locomotive, BB 60032, survives in preservation at the French National Railway Museum in Mulhouse.

References
  1. Davies, John (1996). Chemins de fer P. L. M. and Constituents Locomotive List 1829–1938. Sunnybank, Queensland: Dr. John Davies. p. 287. ISBN 0-646-15102-9.
  2. "1938; #4DMD1, 2 & 3". Derby Sulzers. Early Sulzer powered French Shunters 1931-1954.


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