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German Reichsbahn class 8310
Germany | 1955 | 27 produced
83 1003 in September 1967 in Altenburg depot
83 1003 in September 1967 in Altenburg depot
Karl-Friedrich Seitz

The 8310 was one of the less successful types of the new-build steam locomotives of the Reichsbahn in the GDR. It was developed together with the heavier 6510, but was not convincing in contrast to this. Both had the axle arrangement 2-8-4T, but in contrast to its sister, the 8310 was designed for branch lines with an axle load of 15 instead of 17.5 tonnes. This meant a smaller driver diameter, and therefore a lower top speed and less power. As with the 6510, a plate frame was used here.

Already during the testing of the first two engines, some defects became known, but due to the circumstance that series production had already started, these could only be partially remedied by subsequent repairs. Above all, the use of the low-energy lignite required some structural adjustments, which were already implemented before the completion of extensive tests and ultimately turned out to be immature. Since the imminent use of diesel locomotives became apparent as early as the 1950s, only 27 units of the class 8310 were made. Although the Reichsbahn had a large number of steam locomotives in regular service well into the 1980s, the last locomotive of this class was retired in 1974.

General
Built1955-1956
ManufacturerLKM Babelsberg
Axle config2-8-4T (Berkshire) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length49 ft 2 9/16 in
Wheelbase36 ft 5 in
Fixed wheelbase14 ft 9 3/16 in
Empty weight156,308 lbs
Service weight220,021 lbs
Adhesive weight131,175 lbs
Axle load33,069 lbs
Water capacity3,698 us gal
Fuel capacity17,637 lbs (coal)
Power
Power sourcesteam
Indicated power1,065 hp (794 kW)
Optimal speed19 mph
Top speed37 mph
Starting effort35,320 lbf
Power Plant
Driver diameter49.2 in
Boiler pressure203 psi
Expansion typesimple
Cylinderstwo, 19 11/16 x 26 in
Boiler
Grate area26.9 sq ft
Firebox area130.9 sq ft
Tube heating area1,012 sq ft
Evaporative heating area1,142.9 sq ft
Superheater area422.5 sq ft
Total heating area1,565.4 sq ft
Calculated Values
steam locomotive
passenger
freight
tank locomotive
secondary line
last changed: 04/2022
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