| Name | Rotary Drilling Rig | |
| Brand | SANY | |
| Model | SR280 | |
| Max. drilling diameter | 2500mm | |
| Max. drilling depth | 56m | |
| Engine | Engine power | 261kw |
| Engine model | C9 HHP | |
| Rated engine speed | 2100kw/rpm | |
| Weight of the whole machine | 74t | |
| Power head | Maximum torque | 250kN.m |
| Maximum speed | 6 - 30rpm | |
| Cylinder | Maximum pressure | 450kN |
| Maximum lifting force | 450kN | |
| Maximum stroke | 5300m | |
| Main winch | Maximum lifting force | 256kN |
| Maximum winch speed | 63m/min | |
| Diameter of main winch wire rope | 32mm | |
| Auxiliary Winch | Maximum lifting force | 110kN |
| Maximum winch speed | 70m/min | |
| Diameter of auxiliary winch wire rope | 20mm | |
| Kelly Bar | Ф 508-4 * 15m interlocking kelly bar |
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Strong and resolute, strong driving force and environmental protection; Modular design to optimize hydraulic layout; Large width, high proportion of chassis weight and good stability; Large maintenance space, convenient maintenance.
Multi gear control, more efficient drilling; Long guiding technology, accurate drilling verticality; Double buffer system to improve the protection ability; The speed is increased and the efficiency is higher.
The SANY SR280 rotary drilling rig features a maximum drilling diameter of 2500mm and a maximum drilling depth of 56m.
The machine is equipped with a C9 HHP Cummins engine, offering a rated engine power of 261kW at 2100 rpm.
The rig comes equipped with a Ф 508-4 * 15m interlocking kelly bar.
It features a vertical touch display, picture-in-picture technology, an active prevention self-diagnosis alarm system, and an EVI three-level management system to link owner, machine, and manufacturer.
This unit was manufactured in 2014, has accumulated 7300 working hours, and is currently in good working condition.
The maximum lifting force of the main winch is 256kN, operating with a wire rope diameter of 32mm and a max winch speed of 63m/min.