The Hopper Caddy is designed to work with the full Grasshopper line up. Allows for quick swap out of units as the season demands change. The entire set up can easily work with your current rig without modification or down time. Product Specifications & Dimensions: Holds all Grasshopper modular units Heavy Tube Steel Construction Powder Coat Finish Adjustable Hitch Tandem 7000# Axles Full LED Lighting Electric Brakes Full Skid Rails with Multiple Anchor Points Manufactured by JRiley Seed -- lead times 6-8 weeks.