The Model PCS-611A Single Pump Cementing Skid is a complete mixing and pumping unit. It is designed with a auxiliary hydraulic power unit for supplying sufficient mixing energy and pump capacity. The 7 bbl mixing tank with 7 bbl averaging tank makes the operator s job easier, provides a cushion for fluctuations in bulk delivery, and provides excellent density and additive concentration averaging. The extended triplex pump is easy for maintenance and service.