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When the control lever is in the BRAKE-ON position, an
oil brake is automatically applied by a spring to hold the
drum in its position. If the control lever is moved to apply
one of the clutches, the brake is released by the same oil
pressure that applies the clutch. In the event that hydraulic
power is lost, the brake remains applied and the winch
will not turn.
W6F Winch Description
The W6F is a power forward (LINE-IN) and power reverse
(LINE-OUT) winch used on tractors with a unidirectional
PTO.
On most of the available gear ratios, the LINE-IN function
has a greater gear reduction to provide more power for the
line pull. The LINE-OUT function has less gear reduction
so the cable can be unwound from the drum at a faster
rate.
The W6F winch can be equipped with an optional
FREESPOOL function. FREESPOOL disengages the
winch drum from the winch drive gears, which allows a
person to pull the wire rope from the drum by hand.
The W6F winch has a rated line pull capacity of 266,880
N (60,000 lbf) when there is one layer or less of wire rope
on the drum.
Loads applied to the drawbar are transmitted to the bolts
holding the winch to the tractor. The standard integral
drawbars are designed to handle pulls of 66% of winch
rated capacity.