Guaranteed Pre-Order Deadline is April 22nd, 2026
After closing, you may still place a pre-order and we will attempt to acquire one for you.
Estimated Delivery Date Is: July 2027
Product Information:
Athearn has answered the call for more undecorated units with this SD40 offering. Perfect for customizing with aftermarket parts for a specific prototype, or use them for your freelance road or leasing service.
Model Features:
- Photo-etched stainless steel windshield wipers
- Fully assembled and ready-to-run
- Separately applied wire grab irons
- Separately applied air tanks
- Coupler cut levers
- Rubber MU hoses
- Fine scale handrails molded in engineering plastic
- See-through dynamic brake and radiator fans
- Curved radiator fan grab iron
- Exhaust stack
- Frame mounted bell (unless noted)
- Detailed 4,000 gallon fuel tank (unless different capacity is noted)
- Flexicoil-C trucks with high or low brake cylinders (per prototype)
- McHenry scale knuckle spring couplers
- 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
- Highly-detailed, injection molded body
- Painted and printed for realistic decoration
- Fully assembled and ready-to-run
- 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
- Effect lighting (if applicable) using 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