Southern Pacific No. 4311

The Southern Pacific No. 4311 was a class MT-1 4-8-2 "Mountain" type locomotive built in 1924 by ALCO (Schenectady) for the Southern Pacific Railroad. The Mt-1's were originally intended for use on passenger trains, but it was found they were suited for all types of work, causing them to be known to enginemen as the "maid-of-all-work" for the SP. 28 engines were built in two batches; one batch of 10 in 1923, the other 18 built the following year.
No. 4311 got its skyline casing on Christmas Eve, 1947 at the SP's Los Angeles shops, but never received disc main drivers, though it is unknown whether it received multiple-bearing crossheads. It was retired and scrapped in the mid-1950's.
==Gallery==
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Category:Southern Pacific locomotives
Category:Steam locomotives
Category:4-8-2 locomotives
Category:4-8-2 steam locomotives
Category:Tender locomotives
Category:American locomotives
Category:Eight-coupled locomotives
Category:ALCO locomotives
Category:Built in 1924
Category:Locomotives
Category:Scrapped locomotives
Category:United States
Category:Standard gauge locomotives
Category:4 foot 8 1⁄2 inch gauge