Discover the reconditioned CRRC TR250D Rotary Drilling Rig, mounted on an original CAT336D engine with a torque of 250kN.m. Ideal for piling projects like housing, bridges, and subways, this rig offers a drilling depth of 80m and a diameter of 2500mm. Low oil consumption and fast operation make it a cost-effective choice. Contact Sinovo for expert guidance and training.