used rotary drilling rig
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Zoomlion ZR160C‑3 Rotary Drilling Rig
Max output torque 160kN·m. Max drilling diameter 1500mm. Max drilling depth: 48m with interlocking kelly bar, 62m with friction kelly bar. Powered by Cummins QSC8.3 engine 181kW. Suitable for housing, municipal and small bridge pile foundation, clay, sand, gravel and moderately weathered rock. Compatible with soil bucket, core barrel, auger and casing pipe. Spare parts easily available.
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SANY SR250C Rotary Drilling Rig
Max output torque 250kN·m. Max drilling diameter 2300mm. Max drilling depth: 69m with friction kelly bar, 54m with interlocking kelly bar. Equipped with CAT C9 engine. Suitable for building, bridge pile foundation, clay, gravel and moderately weathered rock. Supports various drilling tools: soil bucket, core barrel, auger, casing pipe etc. Good after‑sales support and spare parts supply.
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Optimally designed double swing arm luffing mechanism and optimized hinge point position take account ofthe construction stability and the transportation convenience at the same time; I adopts H-spe hydraulie rernctable crawlerchasis deticated for rotary drilling rigs and large-diameter slewing bearing to ensure superior stabiliy and convenient transportation; It adopts imported Volvo engine with strong power, which effectively reduces fuel consumption and use cost; The hydraulic system adopts load sensing technology with total power control and limit power control, making the hydraulie system more efficient and energy-saving, independent radiator system provides high heat dissipation efficiency; The proprietary single-ow rope main winch of XCMG effecively solves the twine problem and greatly prolongs the service life ofwire rope; The rolary drive owns hormal mode special for soil layers and rock-entering mode special for rock formations, which improves construction efficiency, the autorotation of rotary drive can achieve continuous adjustments of speed in normal mode and rock-entering mode;
XR160E-1320 Rotary drilling rig
The rotary head achieves a maximum output torque of 168 kN·m and a rotational speed up to 35 r/min, delivering superior working efficiency. It adopts a double‑boom large parallelogram luffing mechanism with a large supporting angle. Its supporting coverage is increased by 24%, ensuring more stable operation. Fitted with a Cummins electronically‑controlled turbocharged engine, it features strong power, great fuel compatibility and convenient & efficient service support. The main hydraulic system applies negative‑flow control technology. A high‑displacement main pump is matched with a low‑speed engine to realize lower fuel consumption and higher efficiency. The intelligent control system realizes automatic adjustment and display of mast verticality, automatic up‑and‑down soil shaking, automatic forward‑reverse soil‑dumping of the rotary head, ground‑touch protection and other functions. The whole machine is more intelligent with enhanced operation convenience and safety. It is equipped with TDP‑series special hydraulic crawler chassis for rotary drilling rigs and a large‑diameter slewing bearing for better working stability. The complete machine can be transported with drill rods installed, which is fast and convenient.
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Meticulous Maintenance for Reliable Foundation Work
To ensure stable and efficient piling construction, our technical team finished professional and systematic maintenance for the XCMG rotary drilling rig. The maintenance focused on the undercarriage, track system and key hydraulic components. With thorough inspection, fastening and performance calibration, the equipment’s overall stability and working reliability have been fully upgraded.
Inside the workshop, our technicians are carrying out a systematic overhaul on the slewing assembly of an XCMG rotary drilling rig. Following layout lines, an operator uses oxy-fuel cutting to blank a round steel plate for a matching repair part, while the slewing platform, hydraulic hoses and accumulator are mounted on a fixture for inspection. Every step is held to tight dimensional tolerances to ensure stable performance after reassembly.
Precision Maintenance Underway for XCMG XR280D Rotary Drilling Rig Main Winch Assembly
Our workshop team is carrying out professional overhaul for the XCMG XR280D rotary drilling rig, focusing on the core main winch assembly inspection, reassembly and commissioning to restore the machine to reliable working condition.
Yutong YTR220 Rotary Drilling Rig Undergoes Workshop Startup Test
Recently, the Yutong YTR220 rotary drilling rig completed full overhaul and commissioning at our workshop. A client from Nigeria visited our facility to conduct on-site acceptance. Full functional startup test was carried out. Key assemblies including engine, hydraulic system, crawler travel, mast luffing and rotary power head operate reliably. All performance metrics passed the client’s inspection. The client gave positive feedback on machine condition. The rig is ready for packing and ocean shipment for piling projects in Nigeria.
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Sailing Overseas! XCMG XR400E & XR360 Rotary Drilling Rigs Ready for Shipment
Two XCMG rotary drilling rigs, XR400E and XR360, have been fully prepared and loaded **within our company premises** for shipment to Egypt. The machines will serve large-scale local pile foundation infrastructure projects. Our team took photos to mark this overseas delivery milestone. With strong torque performance, XR400E and XR360 are capable of handling complex geological conditions in Egypt and deliver reliable equipment support for building, bridge and municipal pile works.
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SANY SR285R Rotary Drilling Rig Arrives at Our Overhaul Workshop and Completes Unloading
The SANY SR285R rotary drilling rig has arrived at our machinery overhaul factory and finished unloading. Comprehensive inspection, maintenance and refurbishment work will be carried out to restore machine performance for upcoming piling projects.
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