First Class Chassis Hydraulic Rotary Drilling Rig Depth 64 / 51m KR220C

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Type	KR220C
Torque	220 KN.m
Max. diameter	1800/2000 mm
Max. drilling depth	51 m(Lock)/ 64 m(Friction kelly bar)
Speed of rotation	5~26 rpm
Max. crowd pressure	210 kN
Max. crowd pull	220 kN
Main winch line pull	230 kN
Main winch line speed	60m/min
Auxiliary winch line pull	90 kN
Auxiliary winch line speed	60 m/min
Stroke(crowd system)	5000mm
Mast inclination(lateral)	±5°
Mast inclination(forward)	5°
Max. operating pressure	35 MPa
Pilot pressure	4 MPa
Travel speed	2km/h
Traction force	420 kN
Operating height	21236 mm
Operating width	4300mm
Transport height	3323 mm
Transport width	3000 mm
Transport length	15260mm
Overall weight	66 t

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Why Choose Us?
1. We are the professional & trustworthy manufacturer of piling machinery in China, best quality & best service.
2. Supply professional customized service to meet all your requirements.
3. Our rotary drilling rigs have been sold to more than 20 counstries, such as Russia, Australia, Thailand, Zambia and others.
4. Competitive price.

FAQ

Q1: What is the Warranty of the Rotary Drilling Rig?

The warranty period for new machine is 1 year or 2000 working hours, whichever comes first will be applied.

Please contact with us for detailed Warranty Regulation.

Q2: What's your service ?

We can offer professional technical support and good after-sale service to you.

Modification methods will be different according to different models and configurations of your owned excavators.

Before modifying, you need to provide configuration, mechanical and hydraulic joints and others.

Before modifying, you need to confirm technical specification.