MTH 30-1623-1 O Union Pacific Imperial 4-6-6-4 w/Proto-Sound 3.0, TT Gray/Yellow #3980

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This is a MTH 30-1623-1 O Union Pacific Imperial 4-6-6-4 w/Proto-Sound 3.0, TT Gray/Yellow #3980. The first Challengers were conceived in 1936 as fast freight engines to replace the Union Pacific's fleet of three-cylinder 4-12-2 locomotives. With an extra center cylinder for added power and a top speed of 45 mph, the 4-12-2s had been successful freight engines when built in 1926. But a decade later they were considered slow and difficult to maintain. So American Locomotive Works (Alco) was commissioned to build what became one of the most successful fleets of articulated engines on any railroad. Forty Challengers were built in the 1930s. The pressure of wartime traffic brought an order for 65 more with bigger tenders and many minor improvements.The Challengers were steam power at its zenith. They incorporated all the technology that represented super-power steam, including roller bearings on all axles and drive rods - but none of the foolishness that characterized some of the desperate efforts to save steam in the post-war years. Most Challengers were assigned to freight duty, but a number were designated for passenger service, hustling 20-car trains across mountains and deserts to California and Oregon at speeds up to 70mph. It was in a roundabout way that six Challengers ordered by the UP ended up hauling coal through the Appalachians for the Clinchfield Railroad. In the midst of World War II, the War Production Board refused the Rio Grande's request to order new articulateds of its own design from Baldwin Locomotive Works. Instead, the Board diverted the last six Challengers in UP's order to the Rio Grande - which turned up its nose at the locos and decided to lease them for the duration rather than buying them. After war's end, the Rio Grande returned the unwanted engines to the government. In 1947, the War Assets Administration sold the orphan locos to the Atlantic Coast Line and Louisville & Nashville Railroads, which put the Challengers to work on their jointly-owned subsidiary, the Clinchfield, Carolina

Condition: Factory New (C-9)
Operational Status: Functional
Original Box: Yes (P-9)

Manufacturer: MTH
Model Number: 30-1623-1
MSRP: $699.95

Scale/Era: O Modern
Model Type: Steam Loco


The Trainz SKU for this item is P12062706.


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