Southwest Lumber Mills No. 12

#12 is a 2-6-6-2 compound Mallet on display at the Arizona Historical Society's Pioneer Museum on Nth Fort Valley Rd in Flagstaff. The museum exhibits reflect the history and life of Flagstaff and northern Arizona, including ranching, logging and transportation. #12 and its small consist are the only railroad related exhibits.
The locomotive was one of two built by Baldwin for Hammond Lumber Company in Mill City, OR, in 1929 (#5 & #6). Both were built as split saddle tanks (i.e. with two water tanks, one on either side of the boiler). You can see another saddle tank 2-6-6-2 built by Baldwin on the Black Hills Central Railroad page of this website. 
Originally number #6, in 1931, the company renumbered the locomotive #12 when it moved to a mill in Samoa, CA. After twenty-two years with the company, #12 was then sold in 1951 to the Arcata & Mad River Railroad in Blue Lake, CA. In 1956, it moved to Southwest Lumber Mills in Flagstaff. For a time, Southwest ran #12 with a large tank car as an auxiliary tender. After adding a normal rectangular tender, the original fuel bunker was removed but the tanks retained. In 1959, when Southwest Lumber Mills became Southwest Forest Industries, #12's two saddle tanks were removed. 
Southwest Forest Industries donated #12 to Coconino County in 1960 and it initially went on display in Coconino County Park in Flagstaff. In 1994, it was moved to its current location at the Pioneer Museum.
==Gallery==
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==Trivia==
*The locomotive is well looked after. Below and right, it is on display with an unnumbered log car and ATSF CE-2 cupola Caboose #999455 built by ATSF in 1942. It was one of two hundred and twenty-three rebuilt for pool service at the Santa Fe's San Bernardino, CA, shops between 1969 and 1970, and was in use into the late 1980s.
Category:Logging locomotives
Category:Built in 1929
Category:2-6-6-2 locomotives
Category:2-6-6-2 steam locomotives
Category:Articulated locomotives
Category:American locomotives
Category:Steam locomotives
Category:Locomotives
Category:Tender locomotives
Category:Mallet locomotives