Crawler Drill JRD Model CD-360VH down-the-hole (DTH) specially designed for drilling Matching Lead holes for diamond wire cutting of Marble & Granite. CD-360VH offer the highest mobility equipped with powerful down-the-hole hammers and is designed for high-capacity rock drilling in Granite & Marble quarries for Block/Rock excavation. They match perfectly with 4” hammers, making the rigs uniquely productive and keeping fuel consumption and operating costs to a minimum and offer high penetration rates, reliability, and excellent fuel economy. CD-360VH Crawler Drill is a self-propelled crawler type drill, designed for drilling holes in vertical and horizontal planes. The Ruggedly constructed Track (Crawler) demonstrates effortless manoeuvrability on rough ground. Each track is driven by heavy duty hydraulic motor through planetary Gear reduction unit with built-in braking system.