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Rostov-Vladikavkaz Railway series А
Russia | 1892
533 produced
Die Lokomotive, October 1918

The Vladikavkaz Railway was convinced that an express locomotive needed a leading bogie. Thus, instead of the 2-6-0 wheel arrangement, the 4-6-0 wheel arrangement was chosen and the series A was designed with it. These were two-cylinder compound machines, of which six were manufactured in Kolomna in 1892. The production machines were slightly heavier with a larger low-pressure cylinder. Their production started in 1894 also at German manufacturers. Some of the locomotives were later oil-fired.

Variantcoaloil
General
Built1892, 1894-1907
ManufacturerKolomna, Hanomag, Henschel, Sormow, Luhansk, Charkiw
Axle config4-6-0 (Ten-wheeler) 
Gauge4 ft 11 13/16 in (Russian broad gauge)
Dimensions and Weights
Length loco34 ft 2 7/8 in
Wheelbase26 ft 4 1/8 in
Rigid wheelbase14 ft 1 11/16 in
Total wheelbase45 ft 7 3/8 in
Empty weight121,629 lbs127,427 lbs
Service weight134,438 lbs140,148 lbs
Adhesive weight87,744 lbs96,474 lbs
Total weight213,077 lbs218,786 lbs
Axle load29,630 lbs32,276 lbs
Water capacity5,125 us gal3,963 us gal
Fuel capacitycoal1,136 us gal (oil)
Boiler
Grate area23.3 sq ft
Firebox area117.9 sq ft
Tube heating area1,523 sq ft
Evaporative heating area1,640.8 sq ft
Total heating area1,640.8 sq ft
Variantcoaloil
Power Plant
Driver diameter72 in
Boiler pressure174 psi
Expansion typecompound
Cylinderstwo, HP: 19 11/16 x 25 9/16 in
and LP: 28 3/4 x 25 9/16 in
Power
Power sourcesteam
Estimated power771 hp (575 kW)838 hp (625 kW)
Optimal speed35 mph39 mph
Top speed62 mph
Starting effort13,856 lbf
with start valve16,627 lbf
Calculated Values
steam locomotive
express
last changed: 03/2023
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