Core Machinery, formerly known as Road Machinery in Perris, California, is an authorized OEM Komatsu distributor of new surface mining equipment in Southern California. Our product support company supplies parts and provides both shop or field service repairs and large machine rentals. We offer remanufacturing services for Diesel Engines, Transmissions, Electrical Rotating Devices, and Hydraulic Cylinders out of our world-class facilities in Arizona. We partner with world-renowned brands to support California's mining and aggregate earthmoving industries. Since 1955 Core Machinery has been committed to providing our customers with quality equipment and responsive service. Visit today!