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Badenian VIII e
Germany | 1908 | 70 produced
No. 780, first batch, around 1908
No. 780, first batch, around 1908

At the Baden State Railways, class VIII referred to eight-coupled freight locomotives. When the VIII a and VIII b no longer met current requirements, the VIII e was developed. It also had four coupled wheel sets, but the weight and thus the power could be increased by adding a leading axle. They were the first freight locomotives in Germany with a 2-8-0 wheel arrangement and a bar frame. The design came from Maffei in Munich, but only the first five of the 70 engines from a total of eight series were manufactured there. The rest were built by the local mechanical engineering company in Karlsruhe.

Austrian engineer Karl Gölsdorf was consulted to improve the curve running qualities, the second and fourth coupled wheel sets were installed so that they could be shifted sideways by 25 mm. The leading axle was an Adams axle that could be deflected by 65 mm. One of the features of the engines was the very high boiler, the center of which was 2,790 mm above the top of the rails. Due to the low height of the bar frame, there was a large gap between the boiler and the frame. This also made it possible to arrange the firebox above the coupled wheels and thus to dimension them generously.

Since the locomotives were intended for longer distances without many intermediate stops, a four-cylinder compound engine was installed. These were superheated steam locomotives, but the first five series were still fitted with a Clench steam dryer. All others were equipped with a smoke tube superheater, while the steam dryer was later removed from the first series and these were thus made into saturated steam locomotives.

Schematic drawing
Schematic drawing
Die Lokomotive, August 1925

The maximum speed of 65 km/h could be reached on the flat with trains of up to 700 tonnes, while a maximum train weight of 1,840 tonnes was possible at 45 km/h. 68 of the 70 engines were taken over by the Reichsbahn and classified as class 567. Their service life ended in 1931, since steam locomotives with a 2-10-0 wheel arrangement were now required for the heavy freight trains and these were also procured as standard locomotives.

Variant1908 variant1910 variant1913 variant
General
Built19081910-19121913-1915
ManufacturerMaffei, MBG KarlsruheMBG Karlsruhe
Axle config2-8-0 (Consolidation) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length62 ft 8 15/16 in61 ft 7 1/2 in61 ft 8 5/16 in
Wheelbase24 ft 5 5/16 in
Fixed wheelbase10 ft 9 15/16 in
Total wheelbase52 ft 0 7/16 in
Empty weight155,205 lbs153,001 lbs
Service weight169,976 lbs166,008 lbs167,551 lbs
Adhesive weight144,403 lbs139,332 lbs141,096 lbs
Axle load36,156 lbs34,833 lbs35,274 lbs
Water capacity5,283 us gal
Fuel capacity15,432 lbs (coal)
Power
Power sourcesteam
Estimated power1,140 hp (850 kW)1,106 hp (825 kW)1,274 hp (950 kW)
Optimal speed22 mph23 mph25 mph
Top speed40 mph
Starting effort32,616 lbf30,163 lbf31,872 lbf
with start valve39,139 lbf36,196 lbf38,246 lbf
Power Plant
Driver diameter53.2 in
Boiler pressure232 psi
Expansion typecompound
Cylindersfour, HP: 15 9/16 x 25 3/16 in
and LP: 25 x 25 3/16 in
four, HP: 14 15/16 x 25 3/16 in
and LP: 24 x 25 3/16 in
four, HP: 15 9/16 x 25 3/16 in
and LP: 24 x 25 3/16 in
Boiler
Grate area40.4 sq ft38.2 sq ft
Firebox area139.9 sq ft127.9 sq ft127.6 sq ft
Tube heating area1,959 sq ft1,885.9 sq ft1,641.7 sq ft
Evaporative heating area2,099 sq ft2,013.8 sq ft1,769 sq ft
Superheater area539.3 sq ft
Total heating area2,099 sq ft2,013.8 sq ft2,308.3 sq ft
Calculated Values
steam locomotive
freight
Von Borries compound
last changed: 01/2022
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