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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 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

Atlas Power Winch
Series 4WP2 Drawing
Items Atlas Power Winch
3WG4-B3500-9S6
ATLAS II 3WG4 Series Power Winches
Atlas Power Winch
4WP2T8-2000-8
Series 4WP2 Worm Gear Power Winches
Atlas Power Winch
4WP2TC-2000-8
Series 4WP2 Worm Gear Power Winches
(A) Inch N/A 15.63 N/A 16.62 N/A 17.34
(B) Inch N/A 17.28 N/A 17.80 N/A 17.80
(C) Inch N/A 1.72 N/A 2.75 N/A 4.02
(D) Inch N/A N/A 4.88 N/A 4.88
(E) Inch N/A N/A 1.44 N/A 2.16
(F) Inch N/A N/A 6.43 N/A 6.43
(H) Inch N/A 12.84 N/A 14.25 N/A 14.25
(J) Inch N/A 1.72 N/A 2.25 N/A 2.25
(K) Inch N/A 3.75 N/A 5.81 N/A 5.81
(M) Inch N/A 13.50 N/A 10.25 N/A 10.25
(N) Inch N/A N/A 1.25 N/A 1.25
(P) Inch N/A 4.00 N/A 7.00 N/A 7.00
(R) Inch N/A N/A 11.38 N/A 11.38
(S) Inch (Hole Dia.) N/A .41
Description N/A includes controls
Motor hp N/A 1.3
Load Rating (lbs.) (1st Layer) N/A 2000
Load Rating (lbs.) (Mid Drum) N/A 1500 N/A 1200 N/A 1200
Load Rating (lbs.) (Full Drum) N/A 1200 N/A 800 N/A 800
Wire Rope Dia. (in) N/A 1/4
Line Speed (fpm) (1st Layer) N/A 8
Line Speed (fpm) (Full Drum) N/A 13 N/A 19 N/A 19
Approx. Shipping Weight (lbs.) N/A 85 N/A 101 N/A 101
Manufacturer N/A Thern