The PRD BH 45 250 rotary blast hole drilling rig is a specialized drilling solution designed for drilling for blasting in large-scale mines. It drills holes with a diameter of 165 mm to 240 mm with a pull-down force of 22000 kg. It supports both DTH and rotary drilling methods. The mast assembly, made of strong structural steel, is raised and lowered hydraulically. The hydraulic tank capacity is 950 liters. The rig has a single pass depth of 8.4 meters and a maximum depth of 45 meters. It features a 560 hp deck engine, a spacious centralized control panel, and an air-conditioned cabin. The hydraulic system includes pumps for rotation, feed, and propulsion, along with coolers for oil and dust collection. It has hydraulic leveling jacks and a breakout wrench. The rig can be mounted on a 45-ton crawler with adjustable tramming speeds. Optional attachments include nightlights, toolboxes, cameras, mine safety features, and more.