SNCF Class Y 7400

Specifications
Specifications
Configuration:;
• Whyte	0-4-0
• UIC	B
Gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Driver dia.	1,050 mm (3 ft 5 in)
Wheelbase	3,685 mm (12 ft 1.1 in)
Length	8,940 mm (29 ft 4 in)
Loco weight	32 tonnes (31 long tons; 35 short tons)
Fuel type	Diesel
Prime mover	Poyaud 6PYT
Engine type	Diesel
Transmission	Mechanical Transmission (mechanics)?

Type and origin
Type and origin
Power type	Diesel
Builder	Billard; Decauville; De Dietrich; Moyse
Build date	1959, 1963-72
Total produced	1 + 488

Class Y 7400
Class Y 7400
	Y 7832 at Gare de Neussargues, Cantal
Power type
Type and origin
Power type	Diesel
Builder	Billard; Decauville; De Dietrich; Moyse
Build date	1959, 1963-72
Total produced	1 + 488
Configuration:;
Specifications
Configuration:;
• Whyte	0-4-0
• UIC	B
Gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Driver dia.	1,050 mm (3 ft 5 in)
Wheelbase	3,685 mm (12 ft 1.1 in)
Length	8,940 mm (29 ft 4 in)
Loco weight	32 tonnes (31 long tons; 35 short tons)
Fuel type	Diesel
Prime mover	Poyaud 6PYT
Engine type	Diesel
Transmission	Mechanical Transmission (mechanics)?
Maximum speed
Performance figures
Maximum speed	60 km/h (37 mph)
Power output	129 kW (173 hp)
Tractive effort	73 kN (16,000 lbf)
Operators
Career
Operators	SNCF
Class	Y7400
Numbers	Y7001, Y7401–Y7888

The Y 7400 class of small shunters is France's most numerous with 488 locomotives in the production build. The first 120 were built by Decauville, with further batches built by De Dietrich (105) and Moyse (263). They have the 0-4-0 ("B") wheel arrangement, 150 kW diesel engines and mechanical transmission. They can be found all over the French network.

During 1959 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 the locomotives operated by SNCF, RATP have two Y 7400 class locomotives built in 1969 by Moyse. They are numbered T 102 & T 103 and were not part of the SNCF fleet.^[2]^{[page needed]} Likewise VFLI have two Y 7400 locomotives, 088 & 089, which were originally built for CFD. VFLI have augmented their fleet with Y 7474 and Y 7684 purchased from SNCF.^[2]^{[page needed]}

Some of them are preserved by tourist railroads.

References

^ ^a ^b ^c Haydock, David (1986). Motive power recognition: 5 SNCF French Railways (First ed.). Shepperton, Surrey UK: Ian Allan Publishing. ISBN 0-7110-1637-2.
^ ^a ^b ^c ^d ^e ^f ^g 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.

External links

Fleet list (SNCF): "Le parc matériel moteur SNCF: Y7400" (PDF). trainso.pages-perso-orange.fr. Trains du Sud-Ouest. Retrieved 21 January 2011.

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[IA_MPR_5-1] Haydock, David (1986). Motive power recognition: 5 SNCF French Railways (First ed.). Shepperton, Surrey UK: Ian Allan Publishing. ISBN 0-7110-1637-2.

[PlatFiveSNCF2008-2] ^ ^a ^b ^c ^d ^e ^f ^g 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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