The reference for locomotives and railcars


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German Reichsbahn 07 1001
Rebuilt from... SNCF 231 E 18 (PO No. 3557)
Germany | 1953 | only one produced
Model of the 07 1001, handcrafted by Michael Menzendorff
Model of the 07 1001, handcrafted by Michael Menzendorff

In the experiments with lignite dust due to the lack of hard coal in the GDR, some of the locomotives used were either captured during the war or remained on the Reichsbahn territory after the turmoil at the end of the war. One of them was a French express locomotive of the PO 3700 or 231 E series, which was considered one of the best of its kind with a well-engineered compound powerplant and an induced power of 2,500 hp

It was numbered 07 1001 by the Reichsbahn and was given coal dust firing and a corresponding tender in 1953. Other conversions only affected the equipment in the driver's cab, since the driver is located on the right side in Germany. The engine still worked after the de Glehn principle, which means that the outer high-pressure cylinders acted on the second coupled axle and the inner low-pressure cylinders acted on the first coupled axle

Although its permitted speed was not reduced in contrast to the 08 1001 tested shortly before, it was not really convincing in use on the Berlin-Dresden route. In addition, it was a one-off and the engine required very complex maintenance. It was thus retired in 1957 after only running around 50,000 km.

ManufacturerBelfort, RAW Stendal
Axle config4-6-2 (Pacific) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length76 ft 11 7/16 in
Wheelbase35 ft 1 1/4 in
Fixed wheelbase13 ft 5 7/16 in
Service weight224,430 lbs
Adhesive weight112,436 lbs
Axle load37,479 lbs
Water capacity7,397 us gal
Fuel capacitycoal dust
Power sourcesteam
Estimated power2,467 hp (1,840 kW)
Optimal speed63 mph
Top speed87 mph
Starting effort25,136 lbf
with start valve30,163 lbf
Power Plant
Driver diameter76.8 in
Boiler pressure232 psi
Expansion typecompound
Cylindersfour, HP: 16 9/16 x 25 9/16 in
and LP: 25 3/16 x 25 9/16 in
Grate area46.6 sq ft
Evaporative heating area2,145.2 sq ft
Superheater area861.1 sq ft
Total heating area3,006.4 sq ft
Calculated Values
steam locomotive
De Glehn compound
last changed: 01/2022

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