Gornye Mashiny ZAO: Mobile roller-bit drilling rig

 Designers and engineers of the Rudgormash OAO Design Bureau with due account for customers' requirement have developed design documents and made all the necessary arrangements for the commercial-scale manufacture of the SBSh-250-D crawler-mounted roller-bit drilling rig with a diesel engine. The drilling rig is intended for 200-270 mm diameter blasthole drilling in highly abrasive rocks. The article describes its main design features and specifications.