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Nordhausen-Wernigerode Railway No. 11 to 22
German Reichsbahn class 99590
Germany | 1897
12 produced
99 5901, the former number 11, in January 2016 at the Wernigerode depot
99 5901, the former number 11, in January 2016 at the Wernigerode depot
Diesellokophren
General
Built1897-1901
ManufacturerJung, Mecklenburgische Waggonfabrik AG
Axle config0-4-4-0T (Four Coupled Mallet) 
Gauge3 ft 3 3/8 in (Meter gauge)
Dimensions and Weights
Length29 ft 1 7/16 in
Wheelbase15 ft 1 1/8 in
Rigid wheelbase4 ft 7 1/8 in
Empty weight61,729 lbs
Service weight74,957 lbs
Adhesive weight74,957 lbs
Axle load18,739 lbs
Water capacity1,321 us gal
Fuel capacity3,307 lbs (coal)
Boiler
Grate area15 sq ft
Firebox area56.4 sq ft
Tube heating area660.3 sq ft
Evaporative heating area716.7 sq ft
Total heating area716.7 sq ft
Power Plant
Driver diameter39.4 in
Boiler pressure203 psi
Expansion typecompound
Cylindersfour, HP: 11 1/4 x 19 11/16 in
and LP: 16 3/4 x 19 11/16 in
Power
Power sourcesteam
Indicated power255 hp (190 kW)
Optimal speed11 mph
Top speed19 mph
Starting effort14,992 lbf
with start valve17,990 lbf
Calculated Values
steam locomotive
passenger
freight
narrow gauge
Mallet
tank locomotive
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