Shaft Lok Products

Engineered for tight engine room clearances. Upgraded in 2023 with a maintenance-free double-shielded bearing. Handles shafts up to 1.77" (45 mm).

Designed for boats with moderate engine room restrictions, with a quick, straightforward installation that appeals to a broad range of sailors. Max shaft 2.25" (57.15 mm).

Enhanced Mod II for demanding applications — ideal for larger sailing vessels with fixed-blade propellers that generate significant drag.

Designed for large sailboats with ample engine room — maximum reliability under heavy loads for serious cruisers and commercial sailing applications.

The highest torque capability in the Shaft Lok line — premium, high-strength construction for the toughest loads on serious cruisers and commercial vessels.

State-of-the-art locking for large motor vessels and restored schooners — allows safe single-engine transit for better fuel efficiency without freewheeling-prop transmission damage.

Push the manual knob to engage the lock while the shaft turns slowly — a reliable, cost-effective alternative to traditional marine control cables.

Marine-grade control cable for convenient shaft lock operation from the helm station, eliminating the need to enter the engine room.

A replacement pair of long and short locking pins for the Shaft Lok mechanism.