USRA 4-6-2 Heavy Pacific - Sound & DCC - Paragon3 -- John F. Kennedy #35 (Presidential Series; blue, black)

This HO Scale USRA Heavy 4-6-2 Pacific from Broadway Limited is based on standard WWI-era locomotives that delivered power and speed. The Pacific-type locomotive evolved as the need for power and speed increased. First, the four-wheel leading truck delivered stability at the faster speeds. Second, six tall drivers provided pulling power and speed. Last, a two-wheel trailing truck provided support for a larger firebox. The sum of this design was the 4-6-2 USRA Pacific. The USRA designation for light and heavy locomotives was a function of the track's ability to withstand weight. Excessive axle weight could damage the rails, loosen fastenings, and also cause damage to the locomotive. This detailed model features full Paragon3 sound and DCC for realistic sound and motor control complete with back EMF for smooth slow speeds. The Paragon3 sound system works with all Broadway Limited Rolling Thunder(TM) advanced sound systems. Other features include a he