Mobile Blending Unit (MBU) is a truck-mounted pump for use with self-leveling Supercap system for finishing new concrete or capping existing slabs. Unit is mounted on a Mack truck chassis, and a telescoping boom crane lifts and places mixing material. Computer-controlled MBU blends the material on site at street level, and the pump truck delivers up to 15 tons per hour up to 50 stories high.