Cheap Used CRRC TR250D rotary drilling rig Supplier, Companies

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Cheap Used CRRC TR250D rotary drilling rig Supplier, Companies

TR250D rotary drilling rig has the advantages of 2500mm diameter and 80m depth, low oil consumption and fast operation.

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Product Description

Used CRRC TR250D rotary drilling rigs are available, suitable for diverse piling construction projects including housing construction piles, high-speed railway piles, bridge piles, and subway piles. The TR250D rotary drilling rig delivers key operational advantages such as a 2500mm diameter, 80m depth capacity, low fuel consumption, and high operational efficiency. Professional personnel are available to analyze geological reports, deliver tailored construction plans, recommend the most suitable rotary drilling rig configurations, and provide comprehensive operational training and technical guidance.

Technical Parameters
Parameter Name	Euro Standards	U.S. Standards
Max drilling depth	80m	262ft
Max hole diameter	2500mm	98in
Engine model	CAT C-9	CAT C-9
Rated power	261KW	350HP
Max torque	250kN.m	184325lb-ft
Rotating speed	6～27rpm	6～27rpm
Max crowd force of cylinder	180kN	40464lbf
Max extraction force of cylinder	200kN	44960lbf
Max stroke of crowd cylinder	5300mm	209in
Max pulling force of main winch	240kN	53952lbf
Max pulling speed of main winch	63m/min	207ft/min
Wire line of main winch	Φ32mm	Φ1.3in
Max pulling force of auxiliary winch	110kN	24728lbf
Undercarriage	CAT 336D	CAT 336D
Track shoe width	800mm	32in
Width of crawler	3000-4300mm	118-170 in
Whole machine weight	73T	73T

This used CRRC TR250D rotary drilling rig is currently offered for sale, having logged 6,555 active working hours. Detailed maintenance works have been successfully completed, certifying the machine for continuous operation exceeding 10 hours daily.

All operational, servicing, and repair history files are thoroughly documented and up to date, ensuring that emergency and safety protocols are fully operational and highly effective.

Frequently Asked Questions

Q: What types of projects can the CRRC TR250D rotary drilling rig be used for?

A: The TR250D is highly versatile and suitable for various piling construction projects such as housing construction, high-speed railway systems, bridges, and subway infrastructure.

Q: What are the maximum drilling specifications of the TR250D rig?

A: This model supports a maximum drilling depth of 80 meters (262 ft) and a maximum borehole diameter of 2500 mm (98 in).

Q: What is the engine configuration of the TR250D?

A: It is powered by a high-efficiency CAT C-9 engine, offering a rated power of 261KW (350HP) to handle demanding drilling tasks.

Q: What is the operational history and current condition of this used unit?

A: This used rotary drilling rig has completed 6,555 working hours. It has undergone full maintenance and is capable of running reliably for over 10 hours per day.

Q: Are technical support and project consulting available for this machine?

A: Yes. Technical support is available to review geological reports, recommend configuration options, design construction schemes, and provide operational training and guidance.