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Atlanta & West Point class P-74
United States | 1926 | 2 produced
collection Josh Scott

The closely linked Atlanta & West Point and the Western Railway of Alabama had to pull the Southern Railway's "Crescent" between Atlanta, Georgia and Montgomery, Alabama. So they each ordered one locomotive, which was given the numbers 290 (AWP) and 190 (WRA). Like the Southern Ps-4, they were based on the USRA Heavy Pacific, but like them also had smaller drivers. The diameter was initially 73 inches and was later increased to 74 inches with thicker tires, which explains the designation P-74.

Both machines were operated together. While one hauled the northbound Crescent, the other simultaneously took over the southbound one. They were retired in 1954, after which the 190 was scrapped. The 290 was saved by the “290 club”, but remained non-operational for the time being. It was finally refurbished between 1986 and 1989 and was used until 1992, when maintenance work on the running gear was required. It now resides at the Southeastern Railway Museum in Duluth, Georgia, awaiting visual restoration.

General
Built1926
ManufacturerLima
Axle config4-6-2 (Pacific) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase37 ft
Fixed wheelbase14 ft
Total wheelbase72 ft 5 in
Service weight303,500 lbs
Adhesive weight192,500 lbs
Total weight504,000 lbs
Axle load64,500 lbs
Water capacity11,000 us gal
Fuel capacity30,000 lbs (coal)
Power
Power sourcesteam
Estimated power3,200 hp (2,386 kW)
Optimal speed44 mph
Starting effort46,892 lbf
Power Plant
Driver diameter74 in
Boiler pressure200 psi
Expansion typesimple
Cylinderstwo, 27 x 28 in
Boiler
Grate area70.8 sq ft
Firebox area327 sq ft
Tube heating area3,342 sq ft
Evaporative heating area3,669 sq ft
Superheater area990 sq ft
Total heating area4,659 sq ft
Calculated Values
steam locomotive
express
last changed: 01/2024
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