GMK 6400 All Terrain Crane

This 450 ton all-terrain crane is the strongest six-axle crane in the world and features a range of unique design elements including a single engine concept, self-rigging MegaWingLift and the MegaDrive hydrostatic drive system. Watch the video to see how this machine can get the job doneā€¦ and then some!

See GMK 6400 Specs

Safety Comes First with Our Crane Rentals
We are proud to work with and support organizations dedicated to improving safety practices in the crane & rigging industry.


We are committed to the NCCCO, a 3rd-party certification program recognized by OSHA and ANSI requirements for crane operator competency. Every operator at JJ Curran is NCCCO certified.


JJ Curran Crane is a proud member of the Specialized Carriers & Riggers Association. We have been part of the organization for more than 40 years and continuously strive stay up-to-date on the latest regulatory issues and challenges.


Through Michigan Operating Engineers Local 324, our operators attend classes and participate in actual hands-on crane operation tests that help them to master their craft while bringing safety, unity and productivity to every job site.

Safely Rent Your Crane From JJ Curran

When you call us you can be sure you will receive high quality crane service and equipment. Since 1950 we have worked to bring our customers the safest fleet of crane equipment and personnel available.

Inquire about Crane Rental

Did you know JJ Curran offers a full selection of Crawler Cranes? Contact a member of our sales team to get you the right equipment and skilled personnel you need for your next project.