4-8-4
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Under the Whyte notation for the classification of steam locomotives, 4-8-4 represents the wheel arrangement of four leading wheels on two axles, eight powered and coupled driving wheels on four axles
Santa Fe No. 3759 on static display in Kingman, Arizona
Union Pacific 844, the only steam locomotive never retired by a North American Class I railroad
Roller-bearing equipped Timken 1111 (Northern Pacific 2626)
South Australian Railways 520 class
Santa Fe 3751
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Atchison, Topeka and Santa Fe 3751 is a preserved 3751 class 4-8-4 "Northern" type steam locomotive, built in May 1927 by the Baldwin Locomotive Works in Eddystone, Pennsylvania for the Atchison, Tope
4-8-4
…service lives. Santa Fe developed their 4-8-4s for years, and named the classes based on the number of the first locomotive in the class. The fourteen 3751 class locomotives that were introduced in 1927 and 1928 were of conservative design, with 73-inch-diameter (1,850 mm) driving wheels and a boiler pressure…
No. 3751 preparing to leave the Amtrak L.A. maintenance yard on July 14, 2017
ATSF No. 3751 leads an employee special train westbound through Streator, Illinois in 1992