Athearn HO 73747 SD40, Undecorated

DCC AND SOUND EQUIPPED

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 turbocharged V16. 856 examples of this locomotive model were built for American railroads, 330 were built for Canadian railroads, and 72 were built for Mexican railroads.

SD40 LOCOMOTIVE 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
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
Minimum radius: 18″ – Recommended radius: 22″

SOUND-EQUIPPED MODELS ALSO FEATURE:
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