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ATS designs and manufactures high efficiency locomotive propulsion systems and accessories for new or remanufactured locomotives using AC or DC traction motors. We offer power converters for a variety of voltage inputs and outputs, depending on usage. Traction controllers will have automatic anti-wheel slip control, motor overload protection, and wheel diameter monitoring and calibration. Auxiliary supplies will operate radiator fans, cooling pumps, air compressors and traction motor blowers.