This WalthersMainline EMD SD50 is perfect for heavy freight service on your HO Scale railroad. As demand for higher-horsepower units and better fuel economy continued to grow in the late 1970s, EMD began testing a new six-axle model in 1979, which entered production as the SD50 in 1981. Like the prototype, this locomotive is a great addition to your railroad's fleet of heavy diesel road units. The WalthersMainline SD50 has the features you want to make it a star performer on your layout:

• One time run of these road numbers, order now - limited quantity available!
• Prototypes in main line, regional and lease-fleet service from 1984 to the present
• Updated power trucks with HT-C sideframes
• Revised and corrected dynamic brake intake grilles
• Anti-slip detail on walkways
• Open grating on steps
• Phase Two shell with molded drill starter points for grab irons in EMD SD50-60 Diesel Detail Kit (910-256) sold separately 

Same powerful drive as WalthersProto(R) locos featuring:

• 5-pole skew-wound motor
• 14:1 gear ratio
• Helical-cut gears for quiet operation and easy multiple unit operation
• All-wheel drive and electrical pickup
• Dual machined brass flywheels
• Heavy die-cast metal chassis
• Constant and directional LED headlights
• 21-pin plug for easy DCC conversion
• Correct size RP-25 metal wheels
• Proto MAX(TM) metal knuckle couplers