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Virginian class XA
United States | 1916 | only one produced
Baldwin works photo
Baldwin works photo
General
Built1916
ManufacturerBaldwin
Axle config2-8-8-8-4 (Triplex)
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase67 ft 58 in
Fixed wheelbase15 ft 3 in
Total wheelbase91 ft 3 in
Service weight842,310 lbs
Adhesive weight725,475 lbs
Axle load62,000 lbs
Water capacity13,000 us gal
Fuel capacity24,000 lbs (coal)
Power
Power sourcesteam
Estimated power3,500 hp (2,610 kW)
Optimal speed9 mph
Starting effort247,054 lbf
with start valve296,465 lbf
Power Plant
Driver diameter56 in
Boiler pressure220 psi
Expansion typecompound
Cylinderssix, HP: 34 x 32 in
and LP: 34 x 32 in
Boiler
Grate area107.6 sq ft
Firebox area431 sq ft
Tube heating area7,689 sq ft
Evaporative heating area8,120 sq ft
Superheater area2,059 sq ft
Total heating area10,179 sq ft
Calculated Values
steam locomotive
freight
triplex
Mallet
last changed: 10 2023
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