The Cat® MD6310 is a powerful, flexible rotary blasthole drill that offers a wide variety of features and options designed to meet your site’s specific needs and challenges. A world-class cab helps keep operators safe and comfortable while increasing performance. And it’s infused with the latest technologies that increase productivity and allow for autonomous drilling—improving the efficiency of all downstream operations. Designed to drill holes from 229-311 mm (9-12.25 in) in diameter, the MD6310 is is optimized for single-pass or multi-pass drilling in both rotary and down-the-hole drilling modes.