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Shaft Lok Products

Eight locking systems and two control accessories — covering every shaft from 45 mm sailboats to 200 mm mega-yachts.

Locking Units

Shaft Lok Mod I EasyLok marine propeller control system - compact design for small sailboats with engine room space restrictions

Mod I EasyLok

45mm

Compact shaft locking unit for boats with tight engine room clearances — handles shafts up to 45mm (1.77").

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Shaft Lok Mod II EasyLok marine propeller control system - enhanced design for medium-duty sailboats 20-100 feet with 70% market shareMost popular

Mod II EasyLok

57mm

Our most popular shaft locking unit, built for moderate engine room space restrictions — handles shafts up to 2.25" (57.15mm).

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Shaft Lok Mod II EasyLok High Torque marine propeller control system - heavy-duty design for high-torque applications and commercial vessels

Mod II EasyLok High Torque

57mm

For boats with fewer space restrictions — handles shafts up to 80mm (3.149"), with the second-highest torque rating of any stocked unit.

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Shaft Lok Mod III EasyLok marine propeller control system - advanced design for large vessels with maximum torque handling and rotating disc assembly

Mod III EasyLok

80mm

For boats with no engine room space restrictions — our largest complete stocked assembly, handling shafts up to 80mm (3.149").

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Shaft Lok Mod III EasyLok High Torque marine propeller control system - ultimate high-torque design for large vessels with maximum reliability and performance

Mod III EasyLok High Torque

80mm

For boats with no engine room restrictions — accommodates up to 80mm, engineered for high torque and fixed-blade propellers.

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Shaft Lok Mod VI marine propeller control system - custom design for specialized applications and unique vessel requirements with extreme environment capabilities

Mod VI

165mm

Our largest unit, for the largest yachts — shafts up to 6.5" (165.1mm).

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Controls & Accessories

Shaft Lok Simple Spring Locking System - cost-effective marine propeller control solution with manual operation and easy installation for smaller vessels

Simple Spring Locking System

Compact, inexpensive hand-operated lock for Mod I–III units — no remote cable needed.

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Shaft Lok Marine Control Cable - durable marine-grade control cables for convenient cockpit operation of propeller locking systems without engine room access

Marine Control Cable

Custom-length remote locking cable for Mod I–III units — routes to your helm or below deck.

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Shaft Lok propeller logoShaft Lok

Advanced propeller control systems for marine vessels since 1979. Properly positions, locks and automatically unlocks the propeller — quickly and easily, without leaving the cockpit.

Since 1979 US Patented

Products

  • Mod I EasyLok
  • Mod II EasyLok
  • Mod III EasyLok
  • Mod IV – VI Custom
  • Marine Control Cable
  • Spring Locking System

Company

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Contact

Milwaukee, Wisconsin 53211 USA

sean.nigel@shaftlok.com

1-262-786-6800

Compatible with Borg Warner, Paragon, Hurth & Volvo Penta transmissions

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