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.

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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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