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 options to meet the needs of your unique application.
Thern portable power winches are manufactured with the following features:
• Machine cut worm gears for accurate operation and long lasting service.
• Enclosed oil bath provides continuous lubrication of gears to minimize wear.
• 115 Volt Single Phase Electric Motor includes power cord with grounded plug and a momentary contact-type push button pendant control on a control cord.
• Oil seals keep oil in and dirt out.
• Internal mechanical brake provides positive load control for lifting and lowering operations.
• Ball Bearings and self-aligning bronze bearings provide smooth and efficient operation.
• Corrosion Resistant durable paint finish protects against corrosion in harsh environments.
• Pressure Plate applies pressure to drum and wire rope to help maintain uniform winding. Included in standard Atlas Construction Winches.
• Large Diameter Drums minimize wear to the wire rope and help extend its life.
• Dual Function Cable Anchor for quick disconnect of wire rope with swagged ball fitting, or recessed cable anchor with set screw for wire rope with unfinished end.
• Clutch Models allow operator to manually disengage the drum to rapidly unwind wire rope. Clutch models do not include pressure plates.
• Accessory Options include limit switches, cable pressure plates, torque limiting controls, and emergency handles for manual operation.
• Mounting options include floor, wall and ceiling.
• Wire rope assemblies are sold separately.
• 2-year Limited Warranty
Items |
4771 Series 477 Helical/Worm Gear Power Winches |
4771AC-1PH Series 477 Helical/Worm Gear Power Winches |
4771AC-1PH2 Series 477 Helical/Worm Gear Power Winches |
4771AC-3PH Series 477 Helical/Worm Gear Power Winches |
4771DC Series 477 Helical/Worm Gear Power Winches |
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(A) Inch | N/A 14.38 | |||||||||
(B) Inch | N/A 8.86 | |||||||||
(C) Inch | N/A 3.55 | |||||||||
(H) Inch | N/A 17.45 | N/A 22.00 | N/A 21.00 | N/A 19.00 | N/A 18.69 | |||||
(K) Inch | N/A 6.75 | |||||||||
(L) Inch | N/A 6.31 | |||||||||
(P) Inch | N/A 5.70 | |||||||||
(Q) Inch | N/A 2.16 | |||||||||
(S) Inch (Hole Dia.) | N/A .34 | |||||||||
Motor Description | N/A 115/1/60 VAC- 6 ft pendant | N/A 115/1/60 VAC- less controls | N/A 115/230/1/60 VAC- less controls | N/A 230/460/3/60 VAC- less controls | N/A 12 VDC -with 10 ft pendant | |||||
Motor hp | N/A 1.2 | N/A 1.2 | N/A 1.5 | N/A 1.5 | N/A 1.0 | |||||
Load Rating (lbs.) (1st Layer) | N/A 2000 | |||||||||
Load Rating (lbs.) (Mid Drum) | N/A 1500 | |||||||||
Load Rating (lbs.) (Full Drum) | N/A 1200 | |||||||||
Wire Rope Dia. (in) | N/A 5/16 | |||||||||
Line Speed (fpm) (1st Layer) | N/A 13 | |||||||||
Line Speed (fpm) (Full Drum) | N/A 22 | |||||||||
Approx. Shipping Weight (lbs.) | N/A 88 | N/A 87 | N/A 115 | N/A 111 | N/A 105 | |||||
Manufacturer | N/A Thern | |||||||||
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