High Productivity.

New MD6420B Drill

Designed for heavy duty open pit mining, MD6420 delivers operational safety, reliable performance, and durability that is favored by drillers around the world. While staying true to those original performance expectations, the new MD6420B marks a tremendous step forward in the life of this model as it encompasses leading features from the ultra-class to the mid-size rotary drill line.

Some of the advanced features available are improved fuel efficiency, electro-hydraulic controls that provide increased operator safety and precise functional controls, computer controlled drilling, enhanced diagnostics, automation of functions and more. Further, through integration with mine management systems, communications networks and safety systems, the new MD6420B drill is autonomous ready.

Learn more from your Cat Dealer

Cat® MD5125 Customer Testimonial by Warren Fair of Action Drill & Blast

Built tough, these drills have reliable components, sturdy frames, robust booms and feeds that contribute to outstanding availability.

Learn More

Financing & Insurance

You can count on Cat Financial to provide the best financial solutions, built just for you.

See our Offers

Drills More With Less - Track Drills Brochure

Drills have been used to break ground since primitive times.

View Brochure

Connect with Cat Mining

With the broadest line of mining equipment in the industry, Cat mining systems work harder, last longer and help move more material at a lower cost.

Follow Us

Wherever There's Mining, We're There

Caterpillar offers more mining machines, more support products, more technologies and more integrated solutions than any other manufacturer.

Read about Dealer Support

The Power of Cat® Equipment

While superior quality is easy to see, it's over time and throughout your equipment ownership experience that the superior value of Caterpillar really becomes clear.

Learn More

CAT® Machine & Product Stories

Learn how customers all over the world are using Cat® products to do great things.

Learn More