Walthers Mainline HO Scale EMD SW7 - Chessie System Chesapeake & Ohio #5221 (Phase I; Yellow, Vermillion, Blue)

The Walthers Mainline SW7 is a perfect choice for your HO layout, delivering powerful performance for a variety of applications, from coach and freight yard switching to primary power for shortlines. This locomotive, powered by an updated 567A prime mover, boasts 1200 horsepower, making it a popular choice with both railroads and industrial lines.

The SW7 prototype was produced in large numbers, with nearly 500 units built in just two years, from 1949 to 1951, and several are still in service today. Each layout-ready model is packed with features, including:

• One-time run of these road numbers, with limited quantities available
• Used by dozens of railroads and industrial lines for switching, local, and branch line service, with several preserved examples still in operation
• Phase One body style with arched front cab windows and louvered radiator cover for units built from 1949 to 1950
• Phase Two body style with straight front cab windows and wire grille radiator cover for units built from 1950 to 1951
• Dual tall conical exhaust stacks
• Large front radiator grille
• Single straight hood-to-cab transition
• 6 louvered side doors with letterboard gap
• Factory-installed grab irons on hood and cab
• Footboards as appropriate
• 4 styles of headlights to match prototype practice, including original large single, retrofit horizontal dual, retrofit dual vertical, and dual sealed beam

The SW7 also features the same powerful drive as Walthers Proto(R) locomotives, with a five-pole skew-wound motor, 14:1 gear ratio, and helical-cut gears for quiet operation and easy multiple unit operation. It boasts all-wheel drive and electrical pickup, a heavy die-cast metal chassis, and constant and directional LED headlights.

Additionally, the SW7 is equipped with a Next18 DCC plug, correct size RP-25 metal wheels, and Proto MAX(TM) metal knuckle couplers, making it ready to run on your layout right out of the box.

Whether you're looking to power your shortline, handle switching duties in your coach and freight yards, or add a versatile and powerful locomotive to your HO layout, the Walthers Mainline SW7 is an excellent choice that combines realistic details, reliable performance, and a wide range of features to enhance your modeling experience.

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