This used CRRC TR250D rotary drilling rig is ideal for piling construction projects, including housing construction piles, high-speed railway piles, bridge piles, and subway piles. The TR250D rotary drilling rig features key advantages such as a 2500mm diameter and 80m depth capability, combined with low oil consumption and fast operation.
Professional Construction Support & Services
Professional personnel are available to check geological reports, provide high-quality construction schemes, recommend the most appropriate rotary drilling rig models, and deliver comprehensive training and guidance on operation.
Technical Parameters
Parameters
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 for sale, featuring a recorded working time of 6555 hours. All maintenance work has been thoroughly completed, ensuring the machinery is fully prepared to operate for more than 10 hours a day. Comprehensive measures for operation, maintenance, and repair archives are fully implemented, and the established emergency plans are feasible and highly effective.
Frequently Asked Questions (FAQ)
What are the primary applications of the CRRC TR250D rotary drilling rig?
It is designed for various piling construction projects, including housing construction piles, high-speed railway piles, bridge piles, and subway piles.
What is the maximum drilling capacity of this machinery?
The TR250D drilling rig can reach a maximum drilling depth of 80 meters (262 feet) and a maximum hole diameter of 2500 mm (98 inches).
How many hours has this used rotary drilling rig operated?
The rig is used and has a recorded operational working time of 6555 hours.
What engine powers the TR250D, and what is its output?
It features a CAT C-9 engine with a rated power of 261KW (equivalent to 350HP).
What is the current mechanical condition and daily operating limit?
All maintenance has been fully completed. The machine is fully functional, capable of running for more than 10 hours a day, and comes with complete operation, maintenance, and repair archives.
Are geological review and operational training services available?
Yes. Professional services are available to check geological reports, provide construction schemes, recommend suitable models, and offer training and guidance for machine operation.
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