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Bavarian D VII
German Reichsbahn class 9876
Germany | 1880 | 75 produced
The "Fürstenzell" in April 1894 at the opening of the Erlangen-Bruck - Herzogenaurach line
The "Fürstenzell" in April 1894 at the opening of the Erlangen-Bruck - Herzogenaurach line
Stadtarchiv Herzogenaurach / „Erlanger Stadtlexikon”

In addition to the D VI, six-coupled tank locomotives were also procured for steeper local railway routes. While the smaller D VI was built by both Maffei and Krauss from the start, these manufacturers supplied two different models for the higher requirements. One of them was the D V from Maffei, which, however, could not meet the requirements placed on it and was therefore only built ten times. In contrast, the D VII from Krauss was able to convince, and so both companies now delivered a total of 75 pieces at the same time up to 1885.

As with its smaller sister, vacuum brakes were installed right from the start, which were later replaced by air brakes. For use on steep stretches, it was also fitted with a Riggenbach counter-pressure brake. With the exception of one example, the Reichsbahn took over all of them and classified them as class 9876. Their decommissioning began soon after the takeover and was completed by 1935. One machine each survived in the Nuremberg and Hof depots and was used there for shunting until 1960. A previously decommissioned example, the former number 1854 or 98 7658, can now be viewed in the Localbahn Museum in Bayerisch Eisenstein.

Variant1880 variant1885 variant
General
Built1880-18851885-1895
ManufacturerMaffei, Krauss
Axle config0-6-0T (Six-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length24 ft 9 1/4 in5 ft 9 1/2 in
Empty weight40,124 lbs45,636 lbs
Service weight58,863 lbs62,170 lbs
Adhesive weight58,863 lbs62,170 lbs
Axle load19,621 lbs20,723 lbs
Water capacity845 us gal977 us gal
Fuel capacity1,764 lbs (coal)2,205 lbs (coal)
Power
Power sourcesteam
Indicated power174 hp (130 kW)
Optimal speed9 mph
Top speed28 mph
Starting effort12,606 lbf
Power Plant
Driver diameter39.6 in
Boiler pressure174 psi
Expansion typesimple
Cylinderstwo, 13 x 20 in
Boiler
Grate area8.9 sq ft
Evaporative heating area539.9 sq ft
Total heating area539.9 sq ft
Calculated Values
steam locomotive
passenger
freight
secondary line
tank locomotive
last changed: 01/2022
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