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32 mm High-Load End Control — Double Sheave, Set of 2

Part No. 3174
$921.35  Limited Quantities In Stock
Maximum line Ø (mm)12 mm
Maximum line Ø (in) 7/16 in
Maximum working load (kg)750 kg
Maximum working load (lb)1650 lb
Purchase 3:1 / 4:1

3173 and 3174 high-load controls allow 2:1 to 6:1 purchases on offshore boats with mainsails over 37 m² (400 ft²). Controls feature 57 mm Black Magic® Big Boat ball/roller sheaves and high-load aluminum sideplates.

Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)164 mm
Length (in)6 7/16 in
Width (in)2 1/4 in
Width (mm)57 mm
Height above track (mm)49 mm
Height above track (in)1 15/16 in
Weight for pair (g)1169 g
Weight for pair (oz)41 oz
Maximum line Ø (mm)12 mm
Maximum line Ø (in) 7/16 in
Maximum working load (kg)750 kg
Maximum working load (lb)1650 lb
Breaking load (lb)3300 lb
Breaking load (kg)1500 kg
Purchase 3:1 / 4:1 
Manual: 4555.pdf (open/save)
DWG: 3174.dwg (open/save)
DXF: 3174.dxf (open/save)
IGS: 3174.igs (open/save)
EPS: 3174.eps (open/save)
High-res JPG: 3174.jpg (open/save)

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

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