The reference for locomotives and railcars
French Eastern Railway series 13 No. 5001 to 5002 and 5901 to 5925
France | 1913 | 27 produced
Die Lokomotive, December 1932

Since the existing 2-8-0 locomotives were no longer sufficient for the heavy ore trains in Lorraine, the Est was looking for more powerful locomotives. The 031+130 T Du Bousquet type, introduced in 1905, could not quite convince with their boiler performance in heavy freight train service. Thus, a new single-frame tank locomotive was developed that had sufficient power.

Thus, in 1913, two prototypes were created in the workshops in Epernay, which had been developed based on the existing passenger tank locomotives with 2-8-2 wheel arrangement. By reducing the driver diameter, a fifth coupled axle could be added, making it the first 2-10-2 locomotive and at the same time the heaviest tender locomotive in Europe. Known internationally as the Santa Fé, this wheel arrangement has since been referred to as the Lorraine in France. This is because these locomotives used in Lorraine were the first French locomotives of this type in France.

The engines had a Belpaire firebox, a Mestre-type superheater and a three-nozzle variable blast pipe. The leading and trailing axles were designed as bissel axles, each with 150 mm of side play, while all five coupled axles were fixed in the frame. Instead, the wheel flanges of the first and fifth axles were designed with a smaller depth, those of the second and fourth axles were weakened in width and the third axle had no wheel flanges at all. In addition to the two water tanks on the sides of the boiler, a third was integrated into the frame to get a water capacity of 13 cubic meters.

Both machines performed very well in test operations. With a train weighing 890 tonnes, 20 km/h could be reached at 1.5 percent, and the same speed was possible with 1,000 tons at one percent. Due to the First World War, no series engines could be procured for the time being. Only in 1925 and 1926 were 25 built, which received the numbers 5901 to 5925. Deviating from the two prototypes, these were delivered by Schneider in Creusot. The changes were only a few, but the sandboxes were no longer on top of the boiler, but housed inside the smoke box. In addition, sanding now only took place in front of the leading wheels.

They were first distributed to several depots in Lorraine. In 1930 they received new numbers from 151-701 to 151-727. After the creation of the SNCF, they were also stationed at other locations. During World War II they hauled suburban trains in Paris, which were now fewer but heavier. As early as 1947 they faced competition in the form of the A1AA1A 62000 series diesel locomotives and in 1957 only twelve were still in use. From 1957, five and soon eight examples were leased to coal mines in northern France. The last engines were retired by 1966 after they had been replaced by the BB 63500.

Axle config2-10-2T (Santa Fé) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase39 ft 4 7/16 in
Fixed wheelbase19 ft 8 1/4 in
Empty weight201,348 lbs203,905 lbs
Service weight260,630 lbs265,050 lbs
Adhesive weight197,468 lbs199,496 lbs
Axle load39,573 lbs40,102 lbs
Water capacity3,412 us gal3,434 us gal
Fuel capacity11,023 lbs (coal)
Power sourcesteam
Estimated power1,408 hp (1,050 kW)1,475 hp (1,100 kW)
Optimal speed17 mph18 mph
Starting effort51,921 lbf
Power Plant
Driver diameter53.2 in
Boiler pressure203 psi
Expansion typesimple
Cylinderstwo, 24 13/16 x 26 in
Grate area33.2 sq ft
Firebox area180.3 sq ft197.5 sq ft
Tube heating area1,646.2 sq ft1,834.1 sq ft
Evaporative heating area1,826.5 sq ft2,031.6 sq ft
Superheater area706.2 sq ft721.9 sq ft
Total heating area2,532.7 sq ft2,753.5 sq ft
Calculated Values
steam locomotive
tank locomotive
last changed: 10/2022

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