The Model RD6536 skid-steer pump attachment from Blastcrete features a universal design compatible with any skid-steer loader, with a 3-inch hydraulic squeeze pump designed for insulated concrete forming, block fill, form and pour, driveways, basements and various shotcrete applications. Able to pump grout materials, 3/8-inch shotcrete and ¾-inch structural concrete mixes, the unit offers a variable speed of 0 to 25 cubic yards per hour. Vertical pumping distance reaches 50 feet with the use of a rubber delivery line, while horizontal distance can reach up to 250 feet. blastcrete.com/