Detailed introduction to Crawler Rig: Outstanding Features: 1. an air over hydraulic, track mounted drilling rig, safer without electricity; 2.Excellent maneuverability, ideal for tight spaces and limited operating areas; 3.Multipurpose rib and roof bolting, dewatering hole and blasting hole drill; 4.Easy to slew the feed Frame left to right and fore and aft tilting motion; 5. Fully fabricated machine, high productivity performance, Durable and reliable; 6.Tramming and bolting functions are isolated from each other, for additional safety; Tramming alarm providing an audible notification before it is about to tram