Concrete Pumps Skid steer and trailer mounted concrete pumps, utilising efficient and reliable squeeze pump technology. Skid Steer Mounted Concrete Pump RD6536-SSM Trailer Mounted Concrete Pump RD6536-TM Can be used for: 19 mm aggregate concrete 9 mm aggregate concrete Cellular concrete Faux rock construction Insulated concrete forms Slabs Forms Slab jacking Block fill Why Squeeze Pumps? Only one wear part Simple: no skilled operator needed Safe: runs in reverse Cleans up in 5 minutes