Harken Radial Sailing Winches for Racing and Cruising

Harken’s Radial Winches were designed for sailors who are looking for lightweight, extremely strong winches with plenty of power. The drum's gripping surface is shaped for each winch size and drum material and features diagonal ribs or textured materials to maximize gripping power. When easing, the angle of the ribs stops line from rising, preventing overrides and providing a smooth, controlled release as the line exits the winch.

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Harken Radial Self Tailing Winch Maximum holding power with minimum line wear
  • Nonabrasive diagonal ribs on gripping surface hold line securely and reduce line wear; ribs shaped for each winch size and drum material.
Smooth, controlled easing
  • Patented angle of ribs drives line wraps down when easing to keep them on area of drum that provides best control.
High-strength, lightweight
  • Weight savings of 25 to 50 percent compared to Harken’s Classic winch line.
  • High-strength composite roller bearings and bushings reduce friction under load.
  • Load-carrying gears and pins are 17-4 PH stainless steel for strength and corrosion resistance.
Adjustable stripper arm integrated into winch top for safer operation
  • Stripper arm completely covers rotating winch top, preventing fingers and clothing from catching in moving parts.
  • Adjusts to multiple positions after the winch is mounted to optimize line exit.
  • Shaped to smoothly feed line in and out of self-tailing jaws.
Harken Radial Self Tailing Winch
Harken Radial Self Tailing Winch Power-grip jaws shaped for easy line entry and optimum hold
  • Upper jaw adjusts under line pressure; accepts a variety of line sizes.
  • Teeth grip evenly with or without load.

Simple to install

  • Patented mounting system for fast, one-person installation without removing drum.
  • A. Snap off the skirt at the base of the winch.
  • B. Slide bolts through the slots in the winch base and snap the plastic skirt back on.
  • C. Place the stud bolts into the predrilled holes on the deck and tighten from below deck.
Harken Radial Self Tailing Winch
Harken Radial Self Tailing Winch Easy maintenance
  • Snap-fit design keeps bearings captive when drum is removed for maintenance.
  • Easy to disassemble for service on deck; socket, washer, and screw-top snap-fit together for mistake-free reassembly.
  • Composite roller bearings don't require lubrication.
Powered Options
  • Electric: vertical-mount motors; horizontal-mount motors offered with right- or left-mount option.
  • Hydraulic: vertical-mount motor.
Easy upgrade from manual to power
  • Manual winches easily convert to power using patented conversion method.
  • No adapter plate required; identical stud pattern to mount winches of the same size without drilling new holes in deck.
  • A predrilled hole in deck by builder simplifies manual-to-electric conversion; removable gaskets offered to seal holes until upgrade is made.
Energy-efficient motors accomplish more work per unit to electricity consumed
  • Motors attach to central drive shaft and drive through winch gears for two-speed mechanical advantage.
  • Low-power first gear for fast trimming; higher-power second gear for fine-tuning loaded sheets.
  • Efficient design allows smaller motor size
Harken Radial Self Tailing Winch
Harken Radial Self Tailing Winch Manual override In case of power loss
  • Harken locking handle inserted into an unloaded winch automatically disconnects motor gear for manual operation.


Harken Radial Self Tailing Winch Specifications





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