Athearn RTR 73639 HO Scale EMD SD40 Chesapeake & Ohio C&O 7451 DC Light - LED Center differential

Center differential

Used at stations large and small

Kids can use the included tiles to create endless designs on all the pieces

The 2207-1750kv can take an input voltage of 3-6s

This has been done for strength

Athearn RTR 73639 HO Scale EMD SD40 Chesapeake & Ohio C&O 7451 DC Light - LED Center differentialAthearn 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