The Model PCTLR-521A system is a trailer mounted complete mixing and pumping unit. It is designed with an auxiliary hydraulic power unit for supplying sufficient mixing energy and pump capacity. This unit is state-of-the-art in mixing and automatic control. The quality of design, component selection, and quality manufacture makes it a benchmark in the industry. The high energy mixing system can mix the most difficult slurries and the automatic density control will provide superior density control. The in-line triplex pump installation makes the maintenance and service of pumps easier.