Athearn ATH73740 SD40 C&O Chesapeake & Ohio #7457 with DCC & Sound HO Scale

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 (depicted here) were delivered in the “35 style” paint scheme, with yellow noses and small side initials.

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PROTOTYPE SPECIFIC INFORMATION

In 1966, EMD updated its locomotive catalog with entirely new models, all powered by the new 645 diesel engine. The SD40 had 3,000 hp from a tur- bocharged V16. 856 examples of this locomotive model were built for Amer- ican railroads, 330 were built for Canadian railroads, and 72 were built for Mexican railroads.

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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”

Onboard DCC decoder with SoundTraxx Econami sound
Single cube speaker for optimal sound quality
Sound units operate in both DC and DCC
Engine, horn, and bell sounds work in DC
Some functions are limited in DC
All functions NMRA compatible in DCC mode
Operating lighting functions with F5 and/or F6
Excellent low-speed operation
Program a multiple unit (MU) lashup with lead unit only horn, bell, and lights
Many functions can be altered via Configuration Value (CV) changes
CV chart included in the box

Athearn ATH73740 SD40 C&O Chesapeake & Ohio #7457 with DCC & Sound HO Scale Outlet Recommend

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