The EP-KF series units are powered by 495 series, 4100 series, 4105 series, 6105 series, 6110 series, 6126 series and WT series produced by Weifang Kofo. Kofo Company is committed to the research and development and production of diesel engines. It is a high-tech enterprise integrating R&D, production and sales. This power has many advantages, such as reasonable price, low fuel consumption, high reliability and easy maintenance.