NEW FEATURES FOR ALL SD40s IN THIS ANNOUNCEMENT: 

• All-new LED lighting
• Rubber MU hoses for durability
• Photo-etched stainless steel windshield wipers

Southern and N&W were the only railroads to order high-nosed SD40s. Southern rostered 31 of these locomotives, which were delivered in 1971 and 1972. On these prototype locomotives, the long hood was designated as the front.

In 2015 Norfolk Southern repainted 3170 back into it’s as delivered SOUTHERN livery at the Chattanooga, Tennessee shop. For a year this locomotive saw revenue service before being donated in 2016 to Tennessee Valley Railroad Museum.

SOU FEATURES:

• Late fans
• Extended range dynamic brakes
• Late production ribbed blower housing 
• Walkway lights: 3 per side
• SOU-style sunshades
• S3K horn on each end
• Bell on long hood end
• Firecracker antenna
• Rear hand brake
• MU catch trays with footboards on each end
• As on the prototypes, our DCC-equipped models will run long-hood forward out of the box. 

LOCOMOTIVE FEATURES:

• Fully assembled and ready-to-run
• Separately applied wire grab irons
• Separately applied air tanks
• Coupler cut levers
• Rubber MU hoses
• Photo-etch stainless steel windshield wipers
• Fine scale handrails molded in engineering plastic
• Non-sound version features 21-pin NEM DCC plug
• See-through dynamic brake and radiator fans
• Curved radiator fan grab iron
• 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 spring couplers
• Highly-detailed, injection molded body featuring new tooling
• Painted and printed for realistic decoration
• See through cab windows
• Bi-directional LED lighting 
• All-wheel drive with precision gears for smooth and quiet operation
• All-wheel electrical pickup
• 5-pole motor with flywheels and multi-link drivetrain for trouble-free operation
• Wheels with RP25 contours operate on all popular brands of track
• Window packaging for easy viewing
• Interior plastic blister safely holds the model for convenient storage
• Minimum radius: 18”
• Recommended radius: 22”

SOUND EQUIPPED MODELS ALSO FEATURE:

• Onnboard Econami sound decoder by Soundtraxx
• Engine startup sound sequence
• Dynamic brake sound or Non-Dynamic Straight to idle on F4
• Extra prime mover and horn sounds exclusive to Athearn version
• Multiple bell sound files user configurable via Configuration Value (CV) 
• Sound units operate in both DC and DCC
• Full DCC functions available when operated in DCC mode
• Engine, horn, and bell sounds work in DC
• All functions NMRA compatible in DCC mode
• Excellent Slow speed control
• Current Keeper ready with on board expansion plug
• Operating lighting functions with F5 and/or F6 
• Program a multiple unit (MU) lashup with lead unit only horn, bell, and lights
• Many functions can be altered via CV changes

PROTOTYPE SPECIFIC INFORMATION
     The SD38 is a 6-axle diesel-electric locomotive built by General Motors Electro-Motive Division between May 1967 and October 1971. It had an EMD 645 16-cylinder engine generating 2,000 horsepower. The EMD SD38AC built by General Motors Electro-Motive Division between June and October 1971. It was
basically an SD38 with an AR10 alternating current alternator instead of the SD38’s normal direct current generator. It also produces 2,000 horsepower from a 16-cylinder EMD 645E roots blown prime mover. It came equipped with or without dynamic brakes. The SD38 and SD38AC have the same frame as the
SD39, SD40 and SD45.

LOCOMOTIVE FEATURES:
• Separately applied wire grab irons
• Standard 81” low nose without headlight or brake unless noted
• Standard cab with dual beam sealed headlight and glare shieldsnoted
• See through cab windows
• Fixed position cab side windows
• Oil-bath or Paper air filters per prototype
• Ribbed or smooth blower housing per prototype
• Standard dustbin unless noted
• See-through dynamic brake and radiator fans
• Dynamic or non dynamic brakes per prototype
• Dynamic brake vent per prototype
• Non-turbo exhaust stacks
• Chicken wire radiator grilles unless noted
• “F” painted on short hood end unless noted
• 2600, 3200 or 4000 gallon fuel tank per prototype
• Air tank
• Printed numberboards
• Fine scale handrails
• Fully assembled and ready-to-run
• McHenry scale knuckle spring couplers
• DCC and SOUND ready with Quick Plug™ technology
• Genesis motor retrofit kit ATHG63839 compatible
• Highly-detailed, injection molded body
• Painted and printed for realistic decoration
• Bi-directional constant lighting so headlight brightness remains
consistent
• All-wheel drive with precision gears for smooth and quiet
operation
• All-wheel electrical pickup
• 5-pole skew wound motor with flywheels and multi-link drivetraintrouble-free operation
• Wheels with RP25 contours operate on all popular brands of track
• Window packaging for easy viewing
• Interior plastic blister safely holds the model for convenient storage
• Minimum radius: 18”
• Recommended radius: 22”

SOUND EQUIPPED MODELS ALSO FEATURE
• Onboard Econami Sound by SoundTraxx
• Sound units operate in both DC and DCC
• Full DCC functions available when operated in DCC mode
• Engine, horn, and bell sounds work in DC
• All functions NMRA compatible in DCC mode
• Excellent Slow speed control
• Effect lighting (if applicable) using F5 and/or F6
• Program a multiple unit (MU) lashup with lead unit only horn, and lights
• Many functions can be altered via Configuration Value (CV)changes