introduction and Parameter:

Here is the English translation of the paragraph:

KR270 Rotary Drill Rig adopts a cylinder + wire rope feed system to meet drilling requirements for hole diameters of 149–270mm. It is available with various sizes of drill rods, with a maximum hole depth of up to 53.5m.

Efficient Drilling. A crawler-mounted hydraulic top-drive blasthole drill, suitable for various multi-pass rotary drilling applications. Using 10.667m drill rods, the on-board drilling depth can reach 53.5m, and it can be fitted with drill rods of 219mm, 194mm, 165mm, and 140mm diameters.

Operating Comfort. Equipped with a pressurized, thermally insulated cab featuring tinted glass, a six-way adjustable suspension seat, and excellent visibility. All operating functions are controlled from the driller's console, whose ergonomic layout allows the operator to switch immediately from drilling to tramming, thereby increasing productivity.

Powerful Performance. This powerful rotary tricone drill can drill holes with diameters of 149–270mm and is equipped with a low-pressure compressor, making it very suitable for rotary drilling applications.

Easy Maintenance. The deck layout allows the operator easy access to all major service components. The hydraulic system filters are also externally mounted for easy access, and the central lubrication manifold simplifies maintenance.