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Move up to 2,000 lbs. with confidence using a portable power winch from Thern. Constructed of cast aluminum, these lightweight winches are designed to deliver the muscle where and when you need it – on the construction site, in the mines, at the wastewater treatment plant, even aerospace facilities.


Thern portable power winches are available in either worm gear or worm/helical gear configurations to efficiently raise, lower and pull loads weighing up to 1 ton. We also offer a variety of optionsmore

Thern Series 477 Portable Power Winch
Series 477 Drawing
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Item #

Motor Description

Motor hp

Load Rating (lbs.) (1st Layer)

Load Rating (lbs.) (Mid Drum)

Load Rating (lbs.) (Full Drum)

Wire Rope Dia. (in)

Line Speed (fpm) (1st Layer)

Line Speed (fpm) (Full Drum)

Approx. Shipping Weight (lbs.)

4771 N/A 115/1/60 VAC- 6 ft pendant N/A 1.2 N/A 2000 N/A 1500 N/A 1200 N/A 5/16 N/A 13 N/A 22 N/A 88
4771AC-1PH N/A 115/1/60 VAC- less controls N/A 1.2 N/A 2000 N/A 1500 N/A 1200 N/A 5/16 N/A 13 N/A 22 N/A 87
4771AC-1PH2 N/A 115/230/1/60 VAC- less controls N/A 1.5 N/A 2000 N/A 1500 N/A 1200 N/A 5/16 N/A 13 N/A 22 N/A 115
4771AC-3PH N/A 230/460/3/60 VAC- less controls N/A 1.5 N/A 2000 N/A 1500 N/A 1200 N/A 5/16 N/A 13 N/A 22 N/A 111
4771DC N/A 12 VDC -with 10 ft pendant N/A 1.0 N/A 2000 N/A 1500 N/A 1200 N/A 5/16 N/A 13 N/A 22 N/A 105
4771PN N/A Pneumatic- less controls N/A 1.2 N/A 2000 N/A 1500 N/A 1200 N/A 5/16 N/A 13 N/A 22 N/A 70
4771HY N/A Hydraulic- less controls N/A 2.3 N/A 2000 N/A 1500 N/A 1200 N/A 5/16 N/A 13 N/A 22 N/A 72
4777 N/A 115/1/60 VAC- 6 ft pendant N/A 1.2 N/A 2000 N/A 1500 N/A 1200 N/A 5/16 N/A 13 N/A 22 N/A 93
4777DC N/A 12 VDC- 10 ft pendant N/A 1.0 N/A 2000 N/A 1500 N/A 1200 N/A 5/16 N/A 13 N/A 22 N/A 105
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