The Y6, Y6a and Y6b classes were 2-8-8-2 Mallet steam locomotives, 81 of which the Norfolk and Western Railway built in its own Roanoke shops between 1936 and 1952. They refined the earlier Y series with cast steel frames, roller bearings on every wheel journal and automatic lubricators, and the railway found them about as cheap to maintain as diesels. The 35 Y6 engines came first, from 1936 to 1940, then sixteen Y6a locomotives in 1942 to meet wartime traffic, and finally the Y6b class, among the most powerful steam locomotives ever built. They handled heavy coal trains out of the Blue Ridge Mountains and served in yards as switchers and pushers. Only Y6a No. 2156 has been preserved.
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Source Norfolk and Western classes Y6, Y6a and Y6b (Wikipedia)
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Source Norfolk and Western classes Y6, Y6a and Y6b (Wikipedia)
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Source Norfolk and Western classes Y6, Y6a and Y6b (Wikipedia)Lead, builderQuote, Lead, builder
A total of 81 were built by the Norfolk and Western Railway (N&W) between 1936 and 1952.
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Source Norfolk and Western classes Y6, Y6a and Y6b (Wikipedia)DevelopmentQuote, Development
In the 1930s, the N&W's mechanical engineering team explored ways to refine the Y series 2-8-8-2 compound Mallets, since demand for coal was increasing despite the effects of the Great Depression. In 1930 and 1931, the N&W built Y5 class 2-8-8-2's (Nos. 2090–2109) at the East End Shops in Roanoke, Virginia.
Sources
1. Norfolk and Western classes Y6, Y6a and Y6b (Wikipedia)
Lead, build year
A total of 81 were built by the Norfolk and Western Railway (N&W) between 1936 and 1952.
Lead, type
The Norfolk and Western classes Y6, Y6a and Y6b were types of 2-8-8-2 Mallet steam locomotives.
Lead, builder
A total of 81 were built by the Norfolk and Western Railway (N&W) between 1936 and 1952.
Development
In the 1930s, the N&W's mechanical engineering team explored ways to refine the Y series 2-8-8-2 compound Mallets, since demand for coal was increasing despite the effects of the Great Depression. In 1930 and 1931, the N&W built Y5 class 2-8-8-2's (Nos. 2090-2109) at the East End Shops in Roanoke, Virginia.
Of Make: Norfolk and Western Railway, Lead, owner
The Norfolk and Western classes Y6, Y6a and Y6b were types of 2-8-8-2 Mallet steam locomotives.
Exemplifies: Rail Transport, Lead, railway
The Norfolk and Western classes Y6, Y6a and Y6b were types of 2-8-8-2 Mallet steam locomotives.
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