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Grand Prix Self-Tailing

1125 Self-Tailing Racing Winch — 4 Speed

Part No. B1125.4STR
  Not available on-line. Please contact your Harken dealer.
Maximum line Ø (mm)19 mm
Maximum line Ø (in)3/4 in
Power ratio - 1 1.69:1
Power ratio - 2 6.8:1
Power ratio - 3 22.8:1
Power ratio - 4 92.6:1

These powerful carbon winches are aboard large megayachts, performance cruisers, and racing monohulls and multihulls over 18 m (60 feet).

Winches feature carbon skirts and tops, aluminum drums, and strong composite jaws with one-piece sculpted line guide and peeler. PEEK® roller bearings are low-maintenance, reliable, and efficient. They ride in large-diameter cages, allowing more bearings to carry the load. Stainless steel drive gears are strong and durable.

Drives are pedestal, electric, or hydraulic. Wide-diameter drums provide extra surface area to hold line securely under high loads. Fewer wraps speed line retrieval when sheeting.

Other options include self-tailing, top cleats, four speeds, free-spinning or ratcheting base sheave additions, and left-handed rotation.

If class rules dictate, winches are also available in all-aluminum with stainless steel gears.

Drum Ø (mm)300 mm
Drum Ø (in)11 13/16 in
Height (mm)249 mm
Height (in)9 13/16 in
Line entry height (mm)105 mm
Line entry height (in)4 1/8 in
Minimum line Ø (mm)11 mm
Minimum line Ø (in) 7/16 in
Maximum line Ø (mm)19 mm
Maximum line Ø (in)3/4 in
Fastener circle (mm)303 mm
Fastener circle (in)11.9375 in
Fasteners (mm)12 SH mm
Fasteners (in)15/32 SH in
Number of fasteners
Gear ratio - 1 1:1 
Gear ratio - 2 4:1 
Gear ratio - 3 13.5:1 
Gear ratio - 4 54.7:1 
Power ratio - 1 1.69:1 
Power ratio - 2 6.8:1 
Power ratio - 3 22.8:1 
Power ratio - 4 92.6:1 

DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.

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