Komatsu Unveils ZT44 Track Drill for Quarry Operations

The Komatsu ZT44 track drill, which debuted at CONEXPO-CON/AGG 2020, enhances productivity in challenging geology.

Komatsu ZT44 blasthole drill
The Komatsu ZT44 blasthole drill is a down-the-hole surface drill rig specifically designed for mining-duty applications.
05252012 Komatsulogo 10721922

Quarries can maximize productivity and uptime with a single-source supply and integreated system. Komatsu showcased the breadth and depth of its entire portfolio — including solutions for the quarry and aggregate markets — at its booth N-10825 at CONEXPO-CON/AGG 2020

The Komatsu ZT44 track drill, which made its debut this week at the show, enhances productivity in challenging geology. The versatile track drill has the flexibility needed to drill in a variety of settings, from small patterns and uneven ground conditions, as well as multiple angles and even de-watering, if required.     

Also featured are smart material handling solutions designed to each quarry’s application to achieve optimum machine performance through an integrated system. A scale-model high-angle conveyor, which currently boasts more than 160 installations globally, will also be on display in the booth. Configurations are custom designed to each application, but since many of the components are interchangeable, replacement parts can still be obtained quickly, and the system can be re-set and reused as the job site changes over time.   

ZT44 Specs:

  • Hole diameter: 4.5 to 8.5 in. 
  • Hammers: 4 to 8 in. 
  • Drill pipe: 4 to 5.5 in. 
  • Boom pull down force: 12,000 lbs. 
  • Boom pull back: 16,000 lbs. 
  • Single pass depth: 20 ft. 
  • Maximum depth: 100 to 140 ft. 
  • Rotary head speed: 0 to 99 rpm

Another solution for cost-effective conveying, Joy Idlers, will be on display. The patented shaft is designed to work with tapered bearings to optimize their load-bearing capacity. Extended idler spacing is an option for some applications. Fewer idlers means lower costs and maintenance without sacrificing load capacity.

The newest offering for the quarry market is the Stamler RF-5 reclaim feeder. The RF-5 cost-effectively feeds, blends, and reclaims materials with the versatility to cover multiple applications. This versatility offers quarry customers a more flexible solution than some of the traditional blending products they’re using now. ​Customers can start production quickly with a delivery time of the standard RF-5 that is 30-40% faster than customized alternatives.


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