40' SP B-50 Box Car
Prototype Information
Beginning in 1925, the Southern Pacific built almost 5,000 40-foot outside-braced wood boxcars split between classes B-50-15 and B-50-16. The two designs looked nearly identical, with the B-50-15 cars using corrugated steel ends and the B-50-16 cars using “Dreadnaught” ends. Both groups came with a mix of roofs—Murphy radial and Viking roofs being the most common—and most rode on T-section trucks before many later received Bettendorfs.
In the 1930s, SP began re-siding many of these cars with steel panels set inside the existing bracing, giving them a hybrid look. Not every car went through this program, but the rebuilt versions extended the life of the fleet. By 1970, 227 B-50-15s and 25 B-50-16s still carried revenue loads, standing out with their vintage appearance against newer all-steel cars.
Over the decades, SP painted these cars in several lettering schemes, and in 1955 renumbered them into more organized groups. Their long service lives and visible construction details made them memorable cars in the railroad’s fleet.
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Rapido HO 40′ SP B-50-15 Box Car Southern Pacific w/ Murphy Roof “1931 to 1946 Scheme”
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Rapido HO 40′ SP B-50-15 Box Car Southern Pacific w/ Murphy Roof “1946 to 1952 Scheme”
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Rapido HO 40′ SP B-50-15 Box Car Southern Pacific w/ Viking Roof “1931 to 1946 Scheme”
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Rapido HO 40′ SP B-50-15 Box Car Southern Pacific w/ Viking Roof “1946 to 1952 Scheme”
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Rapido HO 40′ SP B-50-15 Box Car Southern Pacific w/ Viking Roof “As Built, Maintenance of Way Scheme”
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Rapido HO 40′ SP B-50-15 Box Car Southern Pacific w/ Viking Roof “As Built, Passenger Scheme”
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Rapido HO 40′ SP B-50-15 Box Car Southern Pacific w/ Viking Roof “Rebuilt, 1931 to 1946 Scheme”
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Rapido HO 40′ SP B-50-16 Box Car Southern Pacific w/ Viking Roof “As Built, 1931 to 1946 Scheme”
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Rapido HO 40′ SP B-50-16 Box Car Southern Pacific w/ Viking Roof “Rebuilt, 1931 to 1946 Scheme”
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Rapido HO 40′ SP B-50-16 Box Car Southern Pacific w/ Viking Roof “Rebuilt, 1946 to 1952 Scheme”
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Rapido HO 40′ SP B-50-16 Box Car Southern Pacific w/ Viking Roof “Rebuilt, Overnight Scheme”
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Rapido HO 40′ SP B-50-16 Box Car Southern Pacific w/ Viking Roof “Rebuilt, Post 1955 Scheme”
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