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the drilling rig was easy for maintenance, and available for self loading, self unloading as well as footstep-type transitions. - details see: https://www.machineto.com/20-30m-deepth-long-auger-hydraulic-drilling-rig-machine-10113164

Product Description	Telescopic long spiral drilling rig machine
Mode		SLYY620A	SLYY625A
Drilling speed of the drill rod		31r/min	21r/min
Borehole Diameter		600mm	600mm
Output torque		27.2KN.m	48KN.m
Borehole Depth		20m	25m
Max. Grade of operating ground		2°	2°
Allowed pulling force		210KN	450 KN
Mode of Displacement		Hydraulic footstep-type	Hydraulic footstep-type
Power head power		45KW*2	55KW*2
Overall Dimensions	Under Operating Condition (LWH)	26.5*12.4*5.3m	32.3*13.5*5.8m
	Under Transport condition (LWH))	15.9*2.51*3.28m	19.4*2.51*3.45m

• Product descriptions:

As the equipment is applied with the telescopic dilling rig frame to control the construction height as well as the four support oil cylinders, it can realize automatic loading and unloading and convenient transportation. In addition to the above, it can also increase the machine stability during construction. Furthermore, it can deliver flexible hydraulic slewing operation and realize 360° slewing. As the rack is applied with the combined working mode of winch and amplitude oil cylinder, it is stable, safe, reliable, and fast. Also, this machine type can be used together with the vibrating hammer, which is of high pore-forming efficiency, high pile-forming quality, convenient operation, high efficiency, fast transfer, no vibration, no noise, and no pollution; accordingly, it is a kind of new civilized drilling rig construction machinery.