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It is used for investigation, geological exploration, building construction, highway, bridge and dam etc.
Features |
 Mechanical power head, long feeding stroke.
Suitable for vatious of technology such as pump suction of forward and reverse circulation and air DTH hammer drilling.
Novel construction of rods and particular tools for liftig and screwing off rods ensure convenient and rapid for joining and screwing off the rods.
 By mechanically driven and hydro-mechanically operated, it has easy operation and high efficiency.
Carried by truck and easy for moving itself in the spot.
Offer various of pumps according to customer's requirement.
Specifications
Hole diameter(mm) 600 1500
Hole depth(m) 300 50
Output speed of power head(r/min)
Forward: 20,33,73
Reverse: 13,23,47
Maximum torque of power head(kN·m) 11.5
Maximum lifting capacity of power head(kN) 100
Lifting capacity of main hoist(kN) 25
Lifting capacity of auxiliary hoist(kN) 10
Maximum pulldown force (kN) 15
Motor (kW) 30(only main set)
60(include pump) | 
