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70 Self-Tailing Radial® Winch — 3 Speed 70 Self-Tailing Radial® Winch — 3 Speed 70 Self-Tailing Radial® Winch — 3 Speed
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Radial® Self-Tailing

70 Self-Tailing Radial® Winch — 3 Speed

Part No. 70.3STC
$8,670.00  Not available on-line. Please contact your Harken dealer.
ConfigurationSelf-tailing
Speed3
Maximum line Ø (mm)18 mm
Maximum line Ø (in)11/16 in
Power ratio - 19.00
Power ratio - 222.20
Power ratio - 372.00

The Radial® winch drum’s gripping surface is shaped for each winch size and drum material and features diagonal ribs (rather than textured abrasive materials) to maximize gripping power and greatly reduce line wear. The self-tailing mechanism on the winch means that one crew member can quickly and easily trim or raise sails.

MaterialChrome 
ConfigurationSelf-tailing 
Speed
Drum Ø (mm)130 mm
Drum Ø (in)5 1/8 in
Base Ø (mm)240 mm
Base Ø (in)9 7/16 in
Height (mm)264 mm
Height (in)10 3/8 in
Weight (kg)16.6 kg
Weight (lb)36.6 lb
Line entry height (mm)115 mm
Line entry height (in)4 1/2 in
Minimum line Ø (mm)10 mm
Minimum line Ø (in)3/8 in
Maximum line Ø (mm)18 mm
Maximum line Ø (in)11/16 in
Fastener circle (mm)205 mm
Fastener circle (in)8 1/8 in
Fasteners (mm)M8 HH, M8 SH mm
Fasteners (in)5/16 HH, 5/16 SH in
Number of fasteners
Gear ratio - 12.30 
Gear ratio - 25.70 
Gear ratio - 318.50 
Power ratio - 19.00 
Power ratio - 222.20 
Power ratio - 372.00 
Available powerManual 

DO NOT use Harken Equipment for Human suspension.

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