The reference for locomotives and railcars
Paris-Lyon-Méditerranée No. 4701 to 4982
French State Railway 5-240 A 1 to 282
France | 1907 | 282 produced
Die Lokomotive, July 1932

For fast freight trains on the line through the Cevennes, the PLM opted for the 4-8-0 wheel arrangement, which still allowed a large boiler with a low axle load and good curve guidance. The only problem was the narrow firebox, which was offset by making it relatively long. They could tow 1,618 tonnes on the flat at 40 km/h and 501 tonnes on a one percent incline at the same speed. From 1919 more than 200 locomotives received a superheater and the four-cylinder compound engine was replaced with a simple one. They also pulled heavy passenger trains when needed and were in use until 1952.

Variantas builtsuperheated
ManufacturerFranco-Belge, SFCM, Schneider, Bâtignolles-Châtillon
Axle config4-8-0 (Twelve-wheeler) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length65 ft 3 1/4 in
Length loco42 ft 5 5/8 in
Wheelbase30 ft 4 3/16 in
Fixed wheelbase18 ft 0 9/16 in
Total wheelbase46 ft 3 1/8 in
Empty weight149,914 lbs152,339 lbs
Service weight164,465 lbs167,154 lbs
Adhesive weight123,459 lbs131,748 lbs
Axle load30,865 lbs32,937 lbs
Water capacity5,283 us gal
Fuel capacitycoal
Power sourcesteam
Estimated power1,140 hp (850 kW)1,207 hp (900 kW)
Optimal speed27 mph18 mph
Top speed53 mph
Starting effort27,315 lbf42,040 lbf
with start valve32,778 lbf
Power Plant
Driver diameter59.1 in
Boiler pressure232 psi174 psi
Expansion typecompoundsimple
Cylindersfour, HP: 14 15/16 x 25 9/16 in
and LP: 23 5/8 x 25 9/16 in
four, 18 1/8 x 25 9/16 in
Grate area33.2 sq ft
Firebox area170.1 sq ft172.2 sq ft
Tube heating area2,495.1 sq ft1,716.5 sq ft
Evaporative heating area2,665.1 sq ft1,888.7 sq ft
Superheater area701.5 sq ft
Total heating area2,665.1 sq ft2,590.2 sq ft
Calculated Values
steam locomotive
De Glehn compound
last changed: 07/2023

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