This replacement actuator is a direct replacement for the Bennett 4 ring actuator. The A-BK-51 delivers the durability, responsiveness, and maintenance-free reliability that boaters expect from Lectrotab. Spend less time servicing your trim tabs and more time enjoying better handling, faster planing, and improved fuel efficiency on the water. Built with Lectrotab's proven electromechanical technology, the S-BK-51 features a completely sealed, non-metallic housing that eliminates the risk of corrosion, hydraulic leaks, and costly maintenance. Its precision-engineered design delivers smooth, quiet operation while producing up to 1,000 pounds of lifting force, giving boaters exceptional control, improved fuel efficiency, faster planing, and a smoother ride in changing sea conditions Applications Ideal for boats 18'–35' Direct factory replacement Direct replacement on Bennett or Lenco systems Features and Benefits Internal brake system prevents unwanted tab movement when under way or backing down Upper ram seal location cannot be damaged due to fouled ram or barnacle growth Quiet, precise tab positioning No pumps, hoses, or hydraulic fluid required Specifications All actuators fully load tested to push 1000 lbs of force Non-metallic external structure which cannot corrode and will not deteriorate in the sun or under water Operates on 12 VDC 6' of cable 8 second stroke time Standard lower mounting bracket Dimensions Stoke Length 2.25" Fully retracted 11.875" Diameter 2.5" Contents (1) A-BK-51 Bennett 4 Ring Replacement Standard upper transom mounting bracket (Inner holes match Bennett) Standard lower trim tab mounting bracket 6-foot (1.8 m) integrated marine-grade cable Actuator clevis pin and mounting hardware Installation instructions/warranty information
