Dth Cum Rotary Drill Rigs

Our range of DTH Cum Rotary Drill Rigs available with following specification:-
Capacity: 6" to 10" bore holes to a depth of 1200 ft. (363 mtr).
Prime Mover: Truck mounted rig with power from truck engine.
Work Method: Rotation with direct circulation, nucleus destruction with bleeding by water, air or foam. Drilling by drag bit (over burdern) Roto percussion with DTH hammer.
Mast: Box type structure
Max. Capacity: 39600 lbs (18 tons)
Height: 27 ft. (8.00 mtr)
Rod handling capacity: 20 ft. (6.1 mtr)
Hydraulic System: Max. operating pressure: 3200 psi (225 kgs)
Hydraulic Oil Cooler: 90 GPM fin type cooler fan drive through hydraulic motor.
Pull Up and Pull Down: By means of hydraulic cylinder and wire rope, Reeving ratio 1:3
Max. pull up force: 20,240 lbs (9200kgs)
Max. pull up speed: 254 ft./min (77mtr/min)
Max. pull down force: 13900 lbs (6318kgs)
Rotary Head: Rotary head is powered by one hydraulic motor
Max. torque: 26,400 in-lbs (303 kg-mtrs.)
Max. speed: 0 to 200 rpm
Jacks: Four hydraulic jacks of Box type.
Water Injection Pump: Triplex reciprocating pump of 50 Lpm 1000 psi powered by hydraulic motor.
Break Out Wrench: To open the drill joints hydraulic break out wrench of 350 mm stroke will be provided.
Rod Changer: Manually operated rod changer to handle 3 rods with 1000kgs capacity pull up winch to carry drill rods, casings and hammer tools.
Optional Attachments: Welding machine, mud pump, diesel filling pump, skid platform with deck engine.