The Athearn ATH87324 SD40 ATSF Santa Fe #5002 HO scale model train is a top - notch collectible. It comes with DCC and Sound Tsunami2 for an immersive experience. The SD40 series locomotive has numerous great features. It has bi - directional LED lighting for visibility from both directions, coupler cut levers for easy coupling, and rubber MU hoses for flexibility. The fine - scale handrails and photo - etched stainless steel windshield wipers add to its realistic look. With all - wheel drive and electrical pickup, it runs smoothly and quietly. It also has a detailed 4,000 - gallon fuel tank and Flexicoil - C trucks. The new features include a more powerful and quieter can motor, and DCC & sound models have Tsunami2 sound with dual cube speakers. Sound - equipped models offer high - quality sound, operating in both DC and DCC with most functions NMRA - compatible in DCC mode. In 1966, the SD40 prototype was introduced with 3,000 hp from a turbocharged V16, and many were built for American, Canadian, and Mexican railroads.

Using your Athearn SD40 ATSF Santa Fe #5002 model train is easy. First, make sure your track is clean and properly connected. Place the train on the track, and if you're using DC, simply connect your power supply and start it up. For DCC operation, you'll need a DCC system. You can control the speed, direction, and even sounds. When it comes to sounds, in DC, you'll get basic engine, horn, and bell sounds, while in DCC, you can access a wider range of functions. As for maintenance, regularly clean the wheels with a soft cloth to ensure good electrical contact. Keep the body dust - free by gently wiping it. If you notice any loose parts, carefully re - attach them. Store the train in its original plastic blister when not in use to protect it. And remember, the minimum track radius is 18 inches, but a 22 - inch radius is recommended for better performance.