ZM250H/G is a heavy-duty full casing drilling rig by ZOOMLION built for large-diameter, high-load pile foundation construction, with borehole diameters ranging from 1200 to 2500 mm. With a maximum rotary torque of 11,000 kN·m and an extraction force of 6,100 kN, this powerful foundation machine has the strength to rotate large steel casings through resistant ground and pull them out after drilling. The major strength of the heavy construction machinery lies particularly in large-diameter, high-torque operations, making it suitable for projects such as large bridges, deep excavations, and pile foundations for large-scale buildings.

• Drilling diameter: Ø1200-Ø2500 mm
• Rotary torque: 11000 kN•m
• Extraction force: 6100 kN