Athearn Genesis UP 4-8-8-4 Big Boy Locomotive 4014
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PROTOTYPE SPECIFIC INFORMATION * Lit walkway lights; an Athearn Genesis ICC Caboose first Union Pacific wanted something that could make the same speeds as the * See-through end platforms and steps Challengers but could carry the entire 4,290-ton train over the Wahsatch * Etched metal window screens on door and some side windows Mountains without a helper. The easiest solution was to scale up the * Flush window glazing successful Challenger design by adding another pair of drivers to each half * Wire-form grab irons of the locomotive, thus making a 4-8-8-4. * Caboose trucks with rotating roller bearing caps * Axle generator details In 1941, UP placed an order for twenty 4-8-8-4's, numbered 4000 through * Body-mounted McHenry(R) scale knuckle-spring Couplers 4019, with the American Locomotive Works. According to legend, an * Multiple road numbers unidentified machinist at the ALCO plant is responsible for the name "Big * Separate wireform grab irons, etched metal coupler platforms Boy", having scrawled the name in chalk on a partially completed locomotive. * Coupler lift bars, trainline hoses, brake hoses, and hardware * Full underframe detail: air brake reservoir, control valve, and brake The Big Boys were exactly what the railroad wanted. They were coal burners cylinder with plumbing and brake rod details wiht 68-inch drivers, 135,375 pounds of tractive effort and 6,000 horsepower. * Machined metal wheels with RP25 contours operate on all popular brands They started service on the line from Ogden to Green River, Wyoming of track and their operating range soon increased to cover the lne all the way to * Weighted for trouble-free operation Cheyenne. * Fully-assembled and ready-to-run out of the box * Accurately painted and printed for prototypical realism Traffic during WWII resulted in five more Big Boys, numbered 4020 through * Highly-detailed, injection-molded body 2024. being built in 1944. These versions were slightly heavier than the * Window packaging for easy viewing, plus interior plastic original order due to wartime materials restrictions. Despite the influx of blister safely holds the model for convenient storage diesel locomotives following WWII, the Big Boys and Challengers remained * Minimum radius: 18" the prime power on the Overland Route. They aslo say service as helpers, leading gas turbines and diesels over Sherman Hill. They remained active through the 1950s and weren't retired unti the early 1960s. By then, the first twenty units had been run well over one million miles. $799.99 w/o SOUND | $899.99 w/ SOUND PER SET These items are subject to Horizon's MAP policy VISIT Your Local Retailer Orders Due: 10.25.24 CLICK Athearn.com ETA: MARCH 2026 CALL 1.800.338.4639
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Initial Source: 02_GENHO_Big_Boy_Snowbus_Caboose_092724 (1).pdf