Athearn Genesis UP 4-6-6-4 Locomotive 3813
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built by American Locomotive Company for the Union * Individually applied piping, valves, generators, etc. Pacific Railroad. 105 of these locomotives were built between 1936 * Correctly operating eccentric cranks and 1943. The Challengers were nearly 122 ft (37 m) long and weighed * Adjustable top cab vent 284,800 kg. They operated over most of the Union Pacific system, * Illuminated LED directional headlight and back-up light in the tender primarily in freight service, but a few were assigned to passenger trains * Five pole, skewed armature can motor with flywheels operating through mountain territory to California and Oregon. The * Pivoting front and rear engines for negotiating 18" radius curves locomotives were built specifically for Union Pacific and much of the * Current pick-up on all driver and wheels experience gained later went into the design of the "Big Boy". * 8-pin connector plug between loco and * McHenry operating knuckle couplers installled The name "Challenger" was given to steam locomotives with a * Minimum radius: 18" 4-6-6-4 wheel arrangement. This means that they have four wheels in * Recommended radius: 22" the leading pilot truck, which helps guide the locomotive into curves, two sets of six driving wheels, and finally four trailing wheels, which support the rear of the engine and its massive firebox. Each set of Sound, EQUIPPED MODELS ALSO FEATURE six driving wheels is driven by two steam cylinders. In essence, the * Onboard DCC decoder with ESU LokSound result is two engines under one boiler. The Union Pacific Railroad * Sound, units operate in both DC and DCC sponsored development of this type to meet the need for higher speeds * Full DCC functions available when operated in DCC mode in main-line service. Historically, articulated locomotives had been * Engine, whistle, and bell sounds work in DC limited to slow speeds by factors inherent in their design. The technical * All functions NMRA compatible in DCC mode breakthroughs achieved with the Challenger enabled the carrier to * Excellent Slow speed control develop the Big Boy with the same speed expectations. Speeds * Many functions can be altered via Configuration Value (CV) changes in excess of 60 M.P.H., while unheard-of on other railroads using * CV chart included in the box articulated steam locomotives, became commonplace on the Union Pacific. The 105 were divided into five orders, which can be put into two groups: the first two orders of "original" also known as "light" Challengers, and the final three of "heavy" Challengers. w/o Sound $529.98 With Sound $629.98 SRP SRP These items are subject to Horizon's MAP policy * Union Pacific Licensed Product Visit Your Local Retailer | Visit www.athearn.com | Call 1.800.338.4639
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Initial Source: 01_Genesis_CSA-1_CSA-2_012717.pdf