The new Cat MD6250 blasthole drill delivers optimum drilling efficiency in single and multi pass applications for rotary and down-the-hole (DTH) modes. Featuring automated operation, the drill runs within ideal operating parameters for maximum bit life, hole accuracy and reduced total cost of ownership.

Cat MD6250 DrillA sculpted frame design boasts heavy cross bracing in high-load areas for maximum machine longevity. The machine’s four leveling jacks, mast pivot and deck are welded integrally to the main frame for maximum durability.

The MD6250 drill is built for efficient drilling of 10 and 12-metre benches, including angle drilling for cast blasting, making it the ideal drill for mining, quarrying and heavy construction applications.

A true global machine, it is EU compliant, GOST certifiable, AUS compliant, CSA certified, MDG15 and MDG41 aligned, meets emissions standards for any region, and meets over 30 ISO standards.

Offering superior performance in both DTH hard rock and rotary soft rock applications, the flexible machine drills holes of 150 to 250mm in diameter with bit loads of 22,321kg and 32,655kg, respectively for the 11.2 metre and 13.7 metre masts.

The drill delivers single-pass hole depths of 11.2 metres and 13.7 metres, and the 11.2-metre mast is capable of drilling multi-pass hole depths reaching 53.6 metres, while the 13.7-metre mast drills multi-pass depths to 37.9 metres.

Highly manoeuvrable and flexible, the MD6250 features angle drilling from 0 to 30 degrees in 5-degree increments. It has an approach angle of 15 degrees for easy ramp access and loading, while the machine is capable of climbing up to 26-degree grades to get to the bench. Featuring track counter rotation for increased maneuverability, the versatile drill can be equipped with either 600mm triple grousers for hard rock applications or 750mm triple grousers for working in soft rock. Three-point oscillating suspension allows the machine to negotiate rugged terrain without transferring excessive torsional forces to the main frame.

The MD6250 power train features the Cat C27 ACERT engine with a 655kW power rating at 1800 rpm that can be configured to meet any emissions regulation for any region throughout the world. Variable air volume provides up to 50% less engine load to significantly increase fuel efficiency. Engine and air intake filters boast 500-hour service intervals to help lower long-term operating costs.

Built for drilling in a variety of extremes, the MD6250 delivers reliable operation at elevations as high as 4750 metres. Standard ambient temperature operation ranges from -1° C to 52° C, while available arctic temperature packages enable working in subzero temperatures reaching -40° C.

To meet site needs, the new drill can be equipped with a variety of compressors, all boasting variable volume control.

The MD6250 drill comes with a variety of standard and optional auto drilling features to ensure drill pattern and depth accuracy, so operations can lower explosives costs, improve blast performance and optimise muckpile uniformity to reduce downstream processing costs. An optional auto drill assist controls every step of the drill cycle to simplify the operator’s job and improve accuracy. Standard Cat Product Link technology enables operations to improve fleet management through customizable reports and mapping.

To further boost drilling efficiency, sites can choose Terrain for drilling, which provides precision machine guidance, ensuring that every hole is accurately placed, drilled to the proper depth and angle, and able to stand up until blasting. In addition, Cat Command for drilling offers an option for semi-autonomous drilling of single row missions.

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