Introduction

Athearn RTR 73639 HO Scale EMD SD40 Chesapeake & Ohio C&O 7451 DC

In 1966, EMD delivered what would be the first of five orders of SD40s to the C&O railroad. The most powerful units on the road at the time, they had a total weight of 394,000 pounds each and could exert 82,100 lbs. of continuous tractive effort at 11.1 mph. Units 7450-7469 were delivered in the 35 style paint scheme, with yellow noses and small side initials.

FEATURES:

• LED lighting
• Photo-etched stainless steel windshield wipers
• Separately applied wire grab irons and air tanks
• Curved radiator fan grab iron
• Coupler cut levers
• Rubber MU hoses
• See through cab windows, dynamic brake and radiator fans
• Fine scale handrails molded in engineering plastic
• Exhaust stack
• Frame mounted bell (unless noted)
• Detailed 4000 gallon fuel tank (unless different capacity is noted)
• Flexicoil-C trucks with high or low brake cylinders (per prototype)
• McHenry scale knuckle couplers – Kadee compatible
• All-wheel drive with precision gears for smooth & quiet operation
• All-wheel electrical pickup provides reliable current flow
• DCC-ready features Quick Plug plug-and-play technology with 21-pin NEM connector
• Improved 5-pole skew wound can motor with flywheels and multi-link drivetrain
• Wheels with RP25 contours operate on all popular brands of track
• Highly-detailed, injection molded body
• Interior plastic blister safely holds the model for convenient storage
• Minimum radius: 18 Recommended radius: 22
• Sound Ready
• DCC Ready/21-Pin NEM