All Thern winches and cranes are sold without wire rope.
HELICAL/WORM GEAR POWER WINCHES
We Suggest you download the following Cut Sheet for Additional Information
Owners manual - 477 Series Manual
Cut Sheet - 477 Series DuraHoist
Feel Free to email your us your application for a
Quote
Anchor your operation with the reliability of DuraHoist. With solid construction, internal lubrication and pendant control, the only thing you won’t need is
worry.
QUICK FACTS
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Machine cut gears
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Enclosed oil bath
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Internal mechanical brake
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Cast aluminum
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Ball bearings
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Large diameter drums
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Mounting options
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2-Year Limited Warranty
Durable and dependable, Thern heavy duty power winches are built to handle tough industrial jobs year after year.
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 2 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:
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Machine cut worm gears for accurate operation and long lasting service.
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Enclosed oil bath provides continuous lubrication of gears to minimize wear.
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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.
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Oil seals keep oil in and dirt out.
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Internal mechanical brake provides positive load control for lifting and lowering operations.
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Ball Bearings and self-aligning bronze bearings provide smooth and efficient operation.
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Corrosion Resistant durable paint finish protects against corrosion in harsh environments.
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Pressure Plate applies pressure to drum and wire rope to help maintain uniform winding. Included in standard Atlas Construction Winches.
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Large Diameter Drums minimize wear to the wire rope and help extend its life.
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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.
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Clutch Models allow operator to manually disengage the drum to rapidly unwind wire rope. Clutch models do not include pressure plates.
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Accessory Options include limit switches, cable pressure plates, torque limiting controls, and emergency handles for manual operation.
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Mounting options include floor, wall and ceiling.
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Wire rope assemblies are sold separately.
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2-year Limited Warranty
For more information on other options available for an industrial, heavy-duty power winch, contact Us today.
Start building your heavy duty power winch today. Call 800-458-3687 for more information on available options.
Feel Free to email your us your application for a Quote
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Up to 2000 lb capacity
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Machine Cut Worm Gears provide accurate operation and long lasting service.
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Enclosed Oil Bath provides continuous lubrication of gears to minimize wear. Oil seals keep oil in and dirt out.
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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.
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Internal Mechanical Brake provides positive load control for lifting and lowering operations.
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Ball Bearings and self-aligning bronze bearings provide smooth and efficient operation.
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Pressure Plate on series 4WP2T8 only, applies pressure to drum and wire rope to help maintain uniform winding.
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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.
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Mounting Options include floor, wall, or ceiling.
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Wire Rope Assemblies sold separately.
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Cast Aluminum construction, for lightweight strength.
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Corrosion Resistant durable paint finish protects against corrosion in harsh environments
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Large Diameter Drums minimize wear to the wire rope and help extend its life.
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Clutch Model allows operator to manually disengage the drum to rapidly unwind wire rope. Clutch models do not included pressure
plates.
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DuraHoist Model 4771 helical/worm gear power winches lift or pull up to 2,000 lbs.
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4771
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2000 lb 1.2 hp 115 VAC 1 phase electric with 6 ft pendant control
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4771AC-1PH
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2000 lb 1.2 hp 115 VAC 1 phase electric (without controls)
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4771AC-1PH2
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2000 lb 1.5 hp 115/230 VAC 1 phase electric (without controls)
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4771AC-3PH
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2000 lb 1.5 hp 230/460 VAC 3 phase electric (without controls)
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4771DC
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2000 lb 1.0 hp 12 VDC electric with 10 ft pendant control
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4771PN
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2000 lb 1.2 hp pneumatic 80 cfm at 100 psi (without controls or hoses)
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4771HY
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2000 lb 2.3 hp hydraulic 4 gpm at 1000 psi (without controls or hoses)
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4777
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2000 lb 1.2 hp 115 VAC 1 phase electric with 6 ft pendant control drum
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4777DC
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2000 lb1.0 hp 12 VDC electric with 10 ft pendant control 4 drum width
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477PN-CNTRL
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pneumatic control valve (not mounted or plumbed, no hoses)
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477PN-HS6
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6 ft hoses for pneumatic controls (not plumbed)
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477HY-CNTRL
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hydraulic control valve (not mounted or plumbed, no hoses)
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477HY-HS6
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6 ft hoses for hydraulic controls (not plumbed)
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* Price Includes Electric Motor - Electronic Controls are sold sepertaly where no controls are included
477 Series Manual
477 Series DuraHoist Cut Sheet
Dimensions
Motor Codes
A 115 volt 1 Phase
B 230 volt 1 Phase
D 230 volt 3 phase
E 460 volt 3 phase
All other voltages or questions
please contact sales @ 800-458-3687
Feel Free to email your us your application for a Quote
Click here to view the Electronic Controls options
to Operate Power Winches Remotely
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ELECTRONIC CONTROLS
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10L2A1
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NEMA 1
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10L2A4
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NEMA 4 – watertight
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PNEUMATIC & HYDRAULIC CONTROLS
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477PN-CNTRL
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pneumatic control valve (not mounted or plumbed, no hoses)
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477PN-HS6
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6 ft hoses for pneumatic controls (not plumbed)
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477HY-CNTRL
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hydraulic control valve (not mounted or plumbed, no hoses)
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477HY-HS6
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6 ft hoses for hydraulic controls (not plumbed)
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