ZGYX421T drilling rig features an integrated air compressor design, eliminating the need for a separate compressor unit and improving mobility, setup speed, and operational efficiency. Built for open-pit mining, quarrying, anchoring, and construction drilling, the rig combines hydraulic control with DTH drilling capability for stable penetration in hard rock conditions. The machine includes a heavy-duty crawler chassis for terrain adaptability, optimized feed system for consistent drilling performance, and centralized controls for easier operation. Its integrated compressor supports continuous air supply during drilling, reducing external equipment requirements and lowering transport costs.