AHJ-6VHD-B-DPATLAS™ Heavy Duty 6 Set Back Hydraulic Jack Plate - Black The ATLAS™ Hydraulic Jack Plate by T-H Marine is the premier choice for boaters looking for superior functionality and durability. Designed to accommodate larger outboards, it supports engines up to 400 hp. As the industry leader, it's favored by both fishing professionals and boat manufacturers alike. Why Choose ATLAS™ Hydraulic Jack Plate? Renowned as the best hydraulic jack plate in the market Preferred choice for installation by numer