Komatsu rolls out next-gen bolters, drills

Komatsu has introduced the second generation of the company’s Z2 product line of drill and bolting equipment with unique enhancements and additions, including the first battery-electric offerings within Komatsu’s underground hard rock portfolio.

“As underground mining operations increasingly shift toward electrification of their fleets, our innovative, battery-powered Z2 jumbo drills and bolters will support that pivotal transition. By integrating into existing infrastructure, we can help enhance productivity while helping to reduce operating costs,” said Johan Kempe, product director for Underground Drilling at Komatsu.

“The rollout of our second generation Z2-class marks a milestone in our commitment to advancing mining technologies and building upon the proven success of our products to empower the future of mine operators.”

The new Z2 bolters and jumbos feature optimized operator ergonomics designed to maximize comfort and visibility, user-friendly intuitive controls, and engineering for ground-level maintenance. The new ZB21 bolter has a fully enclosed ROPS/FOPS-certified operator cabin, intuitive operator controls, integrated patented screen handling, and industry-leading drifters manufactured by Montabert.

The second generation ZJ21 jumbo drill is a single-boom development drill with a fully enclosed ROPS/FOPS-certified operator cabin, innovative drilling feeds, advanced pilot hydraulics, and renowned drifters manufactured by Montabert.

The OEM said both product lines now include battery-electric versions featuring Komatsu’s innovative approach to BEV with onboard, smart, opportunistic charging and designed for seamless integration and compatibility with existing mine infrastructure.

The ZB21 and ZJ21 are the smallest size-class drills and bolters to offer a BEV option and feature a modular battery driveline with 83 kWh of onboard energy designed for demanding tram cycles and the challenges of hard rock mining.

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