SNCF Class Y 7100

The Y 7100 class of small shunters originally had 210 members. The first 130 were built by Billard, with the remaining 80 by Decauville. They have the 0-4-0 ("B") wheel arrangement, 150 kW diesel engines and hydraulic transmission. They can be found all over the French network.

Class Y 7100
Y 7148 at Strasbourg
Type and origin
Power typeDiesel
Builder Billard
Decauville
Build date1958–1962
Total produced210
Specifications
Configuration:
​
 • Whyte0-4-0
 • UICB
Gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
Driver dia.1,050 mm (3 ft 5 in)[1]
Wheelbase3,685 mm (12 ft 1.1 in)[1]
Length9.94 m (32 ft 7 in)[2]
Loco weight32 tonnes (31 long tons; 35 short tons)[2]
Fuel typeDiesel
Prime moverPoyaud 6PYT[2]
Engine typeDiesel
TransmissionHydraulic
Performance figures
Maximum speed54 km/h (34 mph)[2]
Power output150 kW (200 hp)[2]
Tractive effort73 kN (16,000 lbf)[2]
Career
OperatorsSNCF
ClassY7100
NumbersY7101–Y7310

Y 7192 was converted to mechanical transmission and renumbered as Y 7001. This locomotive was the prototype for the Y7400 class.

Operators

In addition to SNCF, VLFI have purchased four Y 7100 locomotives (numbers 7172, 7200, 7214 & 7245) from SNCF.[2] two further locos are recorded in use in the Port of Rouen (Grand port maritime de Rouen french).

Some of them are preserved by touristic railroads.

References
  1. Haydock, David (1986). Motive power recognition: 5 SNCF French Railways (First ed.). Shepperton, Surrey UK: Ian Allan. ISBN 0-7110-1637-2.
  2. Haydock, David (2008). European Handbook No. 4 French Railways Locomotives & Multiple Units (Fourth ed.). Sheffield, UK: Platform 5 Publishing Ltd. ISBN 978-1-902336-65-7.


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