Rotary Drills

KLR TBW 40, DTH is a Tractor Mounted Top drive all hydraulically operated Drilling Rig extracting main power from Tractor Engine, is capable of drilling using DTH method to  a Depth of 150 Mt.

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Drilling Rigs
Tractor Mounted Drilling Rigs - KLR TBW 40, DTH Drill Rig
Technical Specifications
KLR TBW 40, DTH is a Tractor Mounted Top drive all hydraulically operated Drilling Rig extracting main power from Tractor Engine, is capable of drilling using DTH method to  a Depth of 150 Mt.
Drilling Capacity
DTH Drilling Units
Metric FPS
Bore Diameter 114 mm 4.5 Inch
Max Drilling Depth 150 mtrs 500 feet
Max. Overburden Drilling Diameter 152 mm 6 inch
Max. Drilling depth 45 mtr 150 feet

Note: Under favorable Drilling conditions.
Mast Structures
Sturdy structural channel type mast of electrically welded construction, main members made out of heavy duty structural steel channels reinforced with suitable cross members, so that it will be strong enough to withstand the varying drilling loads.

Mast length 5720 mm
Rotary Head Travel 4572 mm
Centraliser Opening 203.0 mm (8 Inches)
Raising and Lowering With hydraulic cylinder

Top Head Rotary Drive
Heavy duty hydraulically driven top head rotation unit will be provided. This unit travels on the mast and is of sturdy construction  to absorb sudden shock loads.

Max. Speed 100 rpm
Maximum Torque 235 kg f-m
Drive Type Orbital Motor
No. of motors One number

Feed System
Feed  system is provided with adequate travel for handling drill pipes upto 3.0 Mt. Long. The feed and hoist are actuated by a suitable hydraulic cylinder with wire rope and pulley arrangement. The feed system has the following capabilities.

Pull up force 4500 Kgf
Pull down force 2400 Kgf
Pull up speed 40 m/min
Pull down speed 65 m/min
Reeving ratio(wire rope) 1:3

The feed system will be incorporated with Hold back arrangement to control  and limit weight on bit, rapid and slow feed arrangement to suit the variable ground conditions.
Hydraulic System

Max. Operating pressure 160 kg/cm2
Hydraulic  Tank capacity 300 Lts.
Filtration (Nom.) Return line 10 microns
Hydraulic Oil Cooler 40 GPM (Fin type Oil to Air)

Prime Mover
Power required for the rig hydraulics shall be drawn from the tractor engine through the out put shaft (PTO).
Stabilizers (Jacks)
System consists of three hydraulic leveling jacks with Reverse flow restricted valves to ensure safe operation. Two numbers are at the front (Operator) of the rig controlled by two separate valves and one jack in the rear side of the rig controlled by a single valve.

Type hydraulic cylinder
No. of Jacks 3 Nos.

Breakout Wrench
The Drill Rig is equipped with Hydraulically operated breakout wrench for breaking drill pipes.

Cylinder bore diameter 80 mm 3.1 Inch
Stroke 300 mm 12 Inch

Water Injection Pump
The drill rig will be provided with Hydraulically operated triplex plunger pump, for injecting water/foam with necessary piping and flow control valve.

Max. Flow 36 lpm
Max. Pressure 40 kg/cm2

Air Compressor
Air compressor of suitable capacity as mentioned can be used for carrying out the DTH drilling activity.

Air compressor 650 cfm / 200 psi
Make Reputed make

Note: The compressor shall be mounted on separate two wheel single dummy axle with mechanical stabilizers, suitable toeing arrangement.

Air Line Lubricator
Air Line Lubricator of capacity mentioned below shall be mounted for the supply of lubricating Oil to the hammer.

Capacity 900 cfm / 200 psi
Make Reputed make

KLR Drilling Rigs
can be supplied in custom-built models in various Configurations as indicated below, Mounting features to suit all special requirements and Technical specifications can be offered accordingly.

KLR TBW 40 DTHR capable of drilling up to 150 Meters both in DTH and Rotary drilling, core drilling (Combination Rig)

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