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Harken Aluminium Radial

Harken Aluminium Radial

Radial® Technology

Angled ribs on drum for improved grip


Integrated stripper arm

Chrome or Aluminium


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Harken Radial® Winches feature an improved gripping surface on the drum.

Radial® denotes the special grooving and shaping on the winch drum and the form is individual to each winch size and drum material.

Radial® design grip technology takes the form of specially designed and engineered diagonal ribbing rather than textured abrasive materials.

The ribbing effectively maximises the gripping power of the drum, but by the same token, also greatly reduces wear and abrasion on the rope.
When easing the line, the angle of the ribs stops the rope turns from rising, preventing overrides and providing a smooth controlled release as the line exits the winch.

Harken Radial® Plus Factors:

  • Exceptional strength to weight ratio
  • Outstanding durability and reliability pedigree
  • Robust, but weight saving composite self-tailing jaws and winch skirt
  • Reduced friction under load from composite roller bearings
  • Low maintenance - composite bearings do not require lubrication
  • 17-4PH super strength stainless steel load bearing gears e.g. cogs and pins
  • Excellent overall corrosion resistance and endurance

Please note sizes 15 and 20 are single speed only.

Harken Radial Winch Size Guide
Sail Genoa Main Spinnaker Staysail
Line Sheet Halyard Sheet Halyard Sheet Halyard Halyard
Radial 20 14.5m2 12.8m 21m2 11.6m 91m2 11m 12.8m
Radial 35 21m2 14.6m 30m2 13.1m 105m2 14.6m 14.6m
Radial 40 25m2 16.5m 38m2 14.9m 115m2 16.5m 16.5m
Radial 46 34m2 21m 58m2 19.5m 142m2 20.7m 21m
Radial 50 36m2 22.2m 65m2 20.7m 162m2 22.5m 22.2m
Radial 60 49m2 25m 79m2 24.4m 204m2 25.9m 25m

Halyard refers to the maximum mast height I.
Sheet refers to maximum sail area.

Base Dia Max Line Dia
Radial 15 120mm 10mm
Radial 20 137mm 12mm
Radial 35 149mm 12mm
Radial 40 157mm 12mm
Radial 46 184mm 14mm
Radial 50 194mm 14mm
Radial 60 25mm 16mm

  • Finish - Chrome
  • Winch Type - Self Tailing

Harken Standard Winch Handle

Harken Winch Service Kits

Harken Winch Grease
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