XCMG Official 92.8ton Rotary Drilling Rig XR320D.

XR Series Rotary Drilling Rig stands for our company's achievement in many years' development and researches on piling machines, adopting advanced technology, both at home and abroad. With our company's powerful machinery manufacturing capacity, it is specially designed to drill the pile hole with the big diameter and into hard—layers, fitting for layer conditions in most areas.

XCMG XR320D Rotary Drilling Rig widely used in the boring operation of the bored concrete pile in foundation engineering of highway, railways, bridges, ports, docks, and high-rise buildings.

Performance Characteristics:

* It adopts dedicated hydraulic retractable crawler chassis and heavy slewing bearing and has high stability.

* It adopts the luffing mechanism of large triangle form to ensure the stability of the construction of big holes and deep piles in hard formation.

* It adopts the front-located single-rope main winch structure to greatly prolong the service life of steel wire rope and lower the use cost.

* According to specific working conditions, the users can select a corresponding gear of the imported Cummins turbo-supercharged engine with three gears, getting the drilling rig working as three engines.

* Unit head can switch between Normal Mode and Rock Cracking Mode which are applicable for soil and rock excavation respectively, improving the efficiency.

* Winch pressurization and sleeve drive are both available for selection to meet users' various demands.