Pump attachment RD6536 for skid steer loaders is a 3-inch hydraulic squeeze pump that can pump grout materials, 3/8-inch shotcrete, and 3/4-inch structural concrete mixes. Speed can vary from 0 to 25 cubic yards per hour. Vertical reach is 50 feet with a rubber delivery line, and horizontal reach is 250 feet. Unit weighs 2,700 pounds and requires 18 gpm hydraulic power at 3,000 psi. Frame measures 48 inches wide, 55 inches with receiving hopper. Forklift pockets allow for loading and unloading from transport vehicle.