high quality water well drilling rig craigslist big bore well drilling machine

big bore well drilling machine main features:

1. Very powerful at soil, sand, hard rock, etc. land condition.

2. Thrhydraulic water well drilling machinehydraulic water well drilling machineee kinds drill bits (three-wing bit, alloy bit and diamond bit) available for your choice, which can drill      

both soft and hard ground, especially diamond drill bit effective in drilling hard rocks.

3. Hydraulic control system for greatly improving the working efficiency, saving labor force.

4. Mounted wheel or trailer, can be hauled easily by car or tractor, convenient to transport.

5.  Power can be diesel engine or electric motor, as per your request.

big bore well drilling machine advantages

1. This machine gained 3 national practical new-type patents invention.

2. To be equipped with hexagonal vertical shaft and hexagonal drive drilling rod, with strong rigidity and big transfer torque.

3. To be provided with cone plate friction clutch, being facile to operate, with big transfer torque.

4. To adopt rolling bearing type hoist, with wide brake band and big lifting capacity.

5. To be equipped with speed reducer and sludge pump, being integrated structure.

6. The entire machine is featured by strong adaptability, high motive power, low cost and broad compatibility.

7. To be provided with hydraulic control pressure feed mechanism for the purpose of improvement of construction efficiency.

8. To use hydraulic control well head displacement mechanism for enlargement of initial hole diameter.

Picture of big bore well drilling machine