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 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.

This page is based on the copyrighted Wikipedia article “EMD SD40”; it is used under the Creative Commons Attribution-ShareAlike 3.0 Unported License (CC-BY-SA). You may redistribute it, verbatim or modified, providing that you comply with the terms of the CC-BY-SA.

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
• 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-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

PRIMED FOR GRIME MODELS FEATURE

• Duplicated look and feel of “In Service” equipment
• Faded base colors matched to the prototype
• Perfect starting point for adding grime and rust

Morrison Knudsen

In the early 1970s, Morrison Knudsen began rebuilding locomotives, including many EMD products, some wearing this attractive paint scheme. Their original shop was in Boise, Idaho.

MKCX FEATURES:

• 4,000-gallon fuel tank
• Leslie 3-Chime horn
• Standard battery box doors
• Standard EMD plow
• Extended-range dynamic brakes
• Rear mounted brakewheel

ROAD NUMBER SPECIFIC FEATURES:

• #9046 Ex-KCS 634, Built in 1971, designated as a SD40M-2
• #9047 Ex-KCS 614, Built in 1968, designated as a SD40M-2

Looking for more Athearn EMD SD-40 Diesel Locomotives? Click here!