When only the best will do!  The Venture Manufacturing Heavy Duty 24" inch Ball Screw Actuator has 1500 lb load and is consider to be one of the strongest available. 40 Pulse and can be used on Dishes up to 16'  This Linear Actuator Mover is commonly used where other dish movers have failed.  Smooth operation for C and Ku band tracking.  Also used in larger Solar Panel applications.  Includes Accordion Weather Boot.