Harken Quattro Winches

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Quattro Winches

Quattro is a breakthrough in winch design patented by Harken. The original Quattro was designed for the Melges 30 which required extremely fast winches to handle the large asymmetrical spinnaker, but also need power to trim the genoa upwind. the usual answer would have been two sets of winches.

Self-tailing Quattro winches were developed for larger offshore boats that trim the spinnaker on the cabin house. They need speed for the spinnaker, but power and self-tailing ability for the guy and halyards. The B45STQ features PEEK bearings and aluminum castle.

Part No.

Description (Click to view & order)

Price

harB40Q

harB40STQ

harB44STQ

harB45STQ

Specifications

	Gear Ratio		Power Ratio				Drum Diameter		Base Diameter	Line Entry Height
	First	Second	First	Second	Third	Fourth	Lower	Upper		Lower	Upper
B40Q	1:1	6.1:1	3.5:1	21:1	6.7:1	40:1	5 11/16"	3 3/16"	7 5/16"	5/8"	2 3/4"
B40STQ	2.2:1	6.1:1	3.5:1	21:1	6.7:1	40:1	5 11/16"	3 3/16"	7 5/16"	5/8"	2 3/4"
B44STQ	2.5:1	8.2:1	7.3:1	23.3:1	13.8:1	44:1	6 7/8"	3 5/8"	8 7/16"	3/4:	3 3/16"
B45STRQ	2.5:1	8.2:1	7.3:1	23.3:1	13.8:1	44:1	6 7/8"	3 5/8"	8 7/16"	3/4"	3 3/16"

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