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Type	KR50A	KR50A
Excavator Size	8t-13t	14t-16t	20t-23t	24t+
Max. torque	32-42 kN.m	50 kN.m	50 kN.m	50 kN.m
Max. drilling diamete	1200 mm	1200 mm	1200 mm	1200 mm
Max. drilling depth	12 m	16 m	20 m	24 m
Max. cylinder thrust	70 kN	70 kN	75 kN	75 kN
Max. cylinder trip	600/900 mm	1100 mm	1100 mm	1100 mm
Main winch pull force	45 kN	65 kN	65 kN	65 kN
Main winch speed	30 m/min	48 m/min	48 m/min	48 m/min
Mast inclination(Lateral)	±6°	±6°	±6°	±6°
Mast inclination(Forward)	-30°~+60°	-30°~ +90°	-30°~ +90°	-30°~ +90°
Working speed	7-40rpm	7-40rpm	7-40rpm	7-40rpm
Min. radius of gyration	2750mm	2800mm	2950mm	5360mm
Max. pilot pressure	31.5Mpa	31.5Mpa	31.5Mpa	31.5Mpa
Operating height	7181mm	8868mm	9926mm	11421mm
Operating width	2300mm	2600mm	2800mm	3300mm
Transport height	3014mm	2731mm	3150mm	3311mm
Transport width	2300mm	2600mm	2800mm	3300mm
Transport length	7157mm	10390mm	11492mm	12825mm
Transport weight	5.4t	6.1t	6.5t	7t
Remark	Restructuring big arm	Restructuring big arm	Restructuring big arm	Original arm

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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 an 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.

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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 half a year or 1000 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.