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.

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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

Southern Pacific

Southern Pacific instituted a rebuild program for their SD40s in 1980-1981. The units were updated to Dash-2 electrical standards, as well as receiving electrical cabinet air filters just behind the cab on the fireman’s side. They were placed in the 73XX number series.

A few units received the attractive red-and-yellow paint scheme of the proposed Southern Pacific Santa Fe merger, which combined SP scarlet with ATSF yellow. The merger was subsequently denied in 1986, but the repainted units lasted until the 1990s on the SP in some cases.

SP FEATURES:

• SP Class SD40R - rebuilt in 1980-1981

• 4,000 gallon fuel tank

• SP light packages front and rear

• Large front plow with angled cut levers

• Nathan P-3 horn

• Rebuilt “L” shaped front window

• Extended-range dynamic brakes

• SP tool box on left hand walkway

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