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Let us take some of the stress out of holiday gift buying this season by giving you more time to qualify for price adjustments. Price adjustments on purchases are available 10/8/2022 until 12/25/22. If an item you buy has a price reduction before Christmas, we will credit the difference upon request, so you can shop confidently knowing your price is guaranteed.
All credits will be issued as Loyalty Club Points on your Tower Hobbies account.
The SP began building their MT-4 class 4-8-2 Mountain’s in their Sacramento Shops in 1926. As-delivered they came with green boilers, which lasted until the early to mid-1930’s. They were then painted the standard black scheme.
The first North American 4-8-2 locomotives were built by the American Locomotive Company (ALCO) for the Chesapeake and Ohio Railway (C&O) in 1911, for heavy mountain service (hence the popular name, (“Mountain Type”). Southern Pacific joined the parade in October 1923, when it took delivery of ten new 4-8-2 locomotives, class Mt-1, from Alco. They were numbered in the new 4300 series as #4300-4309 and were put to work on the Sunset and Golden State routes. They were an instant hit; SP promptly signed with Alco for eighteen more (#4310-4327) for delivery in March 1924.
Meanwhile, the art of locomotive manufacturing was evolving as specialized steel manufacturers learned how to create ever-larger and more complex steel castings. SP took note of these developments and performed cost studies to evaluate the possibility of building 4-8-2s in the shops at Sacramento. The numbers were all favorable and a project was approved to build eighteen class Mt-3 4-8-2s (#4328-4345) in-house. Sacramento began work, with #4328 approved for service in September 1925. The last Mt-3, #4345, entered service on June 16, 1926.
Business continued to boom and trains kept growing—the SP’s Board of Directors approved a new program to build another 21 similar machines, #4346-4366. These locomotives would be class Mt-4.
Many of the Mt-4s assigned to operating districts with snowsheds were fitted with SP’s distinctive “clamshell” exhaust deflector. Their most important visual modification took place beginning in 1939, when they were fitted with sheet-steel “skyline casings,” similar to those on the new Lima 4-8-4s, that were developed to help direct exhaust smoke atop the boiler, away from the locomotive cab.
Still another visual treat was available for five short years, when #4350, 4352, 4353, 4361 and 4363 were partially repainted in Daylight red and orange for service on the San Joaquin Daylight. The tenders were completely painted, but only the cab area received vivid colors. The new paint was applied in 1946, approximately the same time that tender lettering standards were changed from “Southern Pacific Lines” to “Southern Pacific.” After 1951, all five engines were repainted in black and re-entered normal pool service.
As the 1950s progressed, new diesels were taking over more freight and through passenger assignments, leaving SP with a surplus of relatively modern steam power. A few Mt-4s were still operating into the fall of 1956. The final day for steam on Commutes was January 22, 1957, but SP clerks didn’t get around to preparing formal retirement papers for the last five Mt-4s until after diesels had completely taken over.
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