June 12, 2010
Atlas Copco says its new ROC T35M drill rig features the COP 1840 rock drill with 18 kW of drilling power to drill holes ranging from 2.5 to 4 inches in diameter to a depth of 82 feet. Powered by a Cummins QSB 6.7 Tier III engine rated at 190 horsepower and 2,300 revolutions per minute, the rig matches percussion power and feed to the rock. The unit features a carousel with rocker switch rotation and single joystick control. The carousel can handle up to six, 12-foot rods plus a 14-foot starter rod.