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XCMG official manufacturer 76 ton portable  rotary drilling rig XR220D 

XR Series Rotary Drilling Rig stands for our company’s achievement in many years’ development and researches on piling machine, adopting the advanced technology, both at home and abroad. XCMG XR220D Rotary Drilling Rig widely used in boring operation of bored concrete pile in foundation engineering of highway, railways, bridges, ports, docks and high-rise buildings.

Performance Characteristics:

1. The machine adopts single row rope for main winch to figure out the wear of steel rope. and extend the life-span.
2. With infrared camera for observing main winch, Manipulator can observe the state of steel rope at day and night in cab.
3. Optional configuration according to customers’ requirement Excellent expansibility.
4. Adopting the imported supercharged CUMMINS engine with European III effluent standard. Meet environmental protection and energy conservation.
5. With the hydraulic pressure system adopted threshold power control and positive flow control, the system acquired high efficiency and higher energy conservation.
6. The patented parallelogram articulated structure actualizes a wider work range. The highly strengthened box-type steel structure design makes the mast of highly-rigidity and anticontored, therefore the drill accuracy is heightened.
7. The complete machine has passed CE certification of T ü V Rheinland group.
8. Standard centralized lubricating system, allowing easier maintenance.

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Description		Unit	Parameter value
	Travel speed	km/h	4.2/2.8
	Rotating speed	r/min	6.4
	Gradeability	°	35
Main performance	Ground pressure	kpa	127
	Bucket digging force	kn	460
	Arm crowd force	kn	350
	Maximun traction	kn	618
	Max. digging height	mm	12060
	Max. dumping height	mm	8070
	Max. digging depth	mm	7200
Working scope	Max. vertical wall digging depth	mm	7060
	Max. digging reach	mm	3160
	Min. swing radius	mm	12690
	Max. ground digging reach	mm	5020

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