Product Description Hydraulic water well dth drilling rig DFQ-300A DFQ-300A multi-functional Hydraulic water well dth drilling rig is a portable and efficient crawler mounted drilling rig.  It is widely used for drilling water well, monitoring wells, especially for geothermal projects.
It adopts air compressor and DTH hammer drilling. Technical Parameter

Hydraulic water well dth drilling rig DFQ-300A
No.	Item		Parameter
1	Drilling caliber		φ115-273
2	Max. drilling depth		300m
3	Diameter of drill pipe		Φ76/89
4	Unit Length of drill pipe		3000mm
5	Work pressure		1.2-2.6 MPa
6	Gas consumption		16-30 m³/min
7	Impacter		DHD3600
8	Diesel engine		56Kw/2000rpm
9	Electric motor		45Kw/1480rpm
10	Gradeability		21°
11	Walking speed		0~2.2 Km/h
12	Ground clearance		265mm
13	Leg cylinder stroke		600 mm(1500mm)
14	Promotion oil cylinder stroke		2200mm
15	System pressure		20MPa
16	Propulsion		4.5 tonf
17	Lifting force		8.0 tonf
18	Fast lift		18m/min
19	Fast propel		35m/min
20	Hydraulic winch lift		800kg
21	Rotary torque		3300-4000 N.m
22	Speed of spindle		Fast 0-105 rpm
			Slow 0-65 rpm
23	Weight		6500 Kg
24	Dimension		5400*2100*2300 mm

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Our Company ZhengZhou Defy 12 years professional exporting experience, realiable drilling machine manufacturer since 1970S.

Defy offer water well drilling machines drilling depth from 100m, 200m, 400m, 600m, 800m and 1500m. with 75-1500mm diameter. geotechnical core drilling machine from 0-3000m depth. 

Spindle rotary type drilling machine, Used air drilling rigs for sale, trailer, crawler, truck mounted drilling machine for your choices.