Introduced by EMD in January 1972, the SD40-2 is one of the most popular diesel locomotives of all time. Between 1972 and 1989, EMD built nearly 4,000 units. These 3,000 horsepower machines were found to be more reliable than higher horsepower locomotives, and the SD40-2 became the standard of the industry for several decades.
The SD40-2 shares a common frame with the SD38-2 and the SD45-2. The frame was lengthened to accommodate the new HT-C trucks, which were 1.5 feet longer than the Flexicoil truck found on the SD40's. With a longer frame, but similar sized long hoods, the SD40-2's have distinctive "porches" on either end. These empty areas are good spotting features for SD38-2 and SD40-2 locomotives. The SD40-2 can be further distinguished from the SD38-2 by its three roof-mounted radiator fans and a single large exhaust stack.
- Paragon4 Sound & Control System featuring ROLLING THUNDER
- Integral Dual-Mode Decoder with Back EMF for Superb Slow Speed Operation in DC and DCC
- Precision Drive Mechanism Engineered for Heavy Towing and Smooth Slow Speed Operation
- All Wheel Electrical Pick-up (except for rubber traction tire)
- ABS Plastic Body with Die Cast Chassis for Maximum Tractive Effort
- Premium Caliber Painting
- Prototypically Accurate Paint Schemes and Road Numbers
- Many Separately Applied Details such as Handrails, Grab Irons, Horn, Bell, and Cut Levers
- Prototypical Light Operation with Separately Controllable Headlight, Rear Light, and Ditch Lights
- Prototypically Accurate Sounds for an EMD SD40-2 Locomotive
- Micro-Trains-compatible Couplers (2)
- Will Operate on Code 55, Code 70, and Code 80 Rail
- Minimum Operating Radius: 9 inches