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Technology

Transmission

Five disk electro-hydraulic clutches.

Shift

A major technological shift.

A ZF Marine transmission, with roots from inboard technologies, designed exclusively for the 557. Fly-by-wire controls, wet disc clutches, and spiral bevel gears handle the SHIFT providing smooth progressive transfer of power from the engine to the prop. Designed from the start with joystick operation in mind, the computer-controlled transmission can seamlessly shift thrust on command, significantly improving maneuverability. Integrated troll control allows a nearly infinite adjustment of forward trolling speeds enhancing bait presentation. A transmission in an outboard… more confidence and more control – revolutionary refinement.