This Athearn ATH88949 SD38 model represents the DT&I (Detroit Toledo & Ironton) locomotive #254 in HO scale. It comes equipped with DCC and sound features, offering a realistic and immersive model - train experience. ### DTI Features It's a later rebuild with a large paper air - filter box. The strobe is included in a poly bag with LED. The model has an M3 horn, spark arrestors, a rear brake wheel, a smaller fuel tank, and a nose - mounted bell. ### Road Number Specific Features - **#250**: A unique 'weathered' version with a peeling paint effect, large can - style spark arrestors, and all - weather windows. - **#251**: Y - style spark arrestors, all - weather windows, and repositioned DT&I art on the long hood. - **#254**: Y - style spark arrestors, all - weather windows, and an extended walkway on the conductor's side. ### SD38 Series Locomotive Features This SD38 series locomotive has many great features. It has separately applied wire grab irons, standard cabs, see - through windows, and much more. It's fully assembled and ready - to - run, with McHenry® scale knuckle spring couplers, DCC Ready 21 - pin NEM Quick Plug™ technology, and a highly - detailed, injection - molded body. It offers smooth and quiet operation with all - wheel drive and precision gears. ### Sound - Equipped Models Features Models with sound come with onboard Econami Sound by SoundTraxx. The sound units work in both DC and DCC, offering full DCC functions in DCC mode and basic engine, horn, and bell sounds in DC. ### Prototype Information The SD38 was built by General Motors Electro - Motive Division from May 1967 to October 1971, with a 2,000 - horsepower EMD 645 16 - cylinder engine. The SD38AC, built from June to October 1971, is similar but uses an AR10 alternating current alternator.

Using your Athearn ATH88949 SD38 model train is easy. First, check if the locomotive is fully assembled. If it is, you can directly place it on your HO - scale track. Make sure the track is clean and well - connected to avoid any operation issues. When using the DCC function, connect your DCC controller following the standard 21 - pin NEM Quick Plug™ technology. You can then program various functions according to your preference. If you're using the sound feature, it works in both DC and DCC modes. In DC, you can enjoy basic engine, horn, and bell sounds, while in DCC mode, you have access to full functions. As for maintenance, keep the locomotive clean. Use a soft brush to remove dust from the body, wheels, and electrical pickups. Regularly check the couplers to ensure they are working properly. If you notice any loose parts, gently tighten them. When not in use, store the locomotive in a dry and cool place to prevent damage.