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

Built for it

When you choose Cat®, you get what you pay for — durable and reliable equipment, and long-lasting relationships.

Learn More
Financing & Insurance

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

See our Offers
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.

Learn More
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
Cat® Dealer Service

The Cat dealer network is always ready to help. Find your dealer and read the latest in electric power service and support.

Get in touch today
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