Dura-Hoist Series

THERN® DURA-HOIST | PORTABLE ELECTRIC WINCH

up to 2,000 lbs capacity


The 477 Series features a compact, vertical design when robust power is needed in tight spaces. Lift/pull up to 2,000 pounds in any direction or orientation: floor, ceiling, or wall. Machine-cut helical and worm gears offer quiet and precise power transfers and continuous lubrication ensures long life. Ideal for wastewater, construction, and manufacturing applications.  Anchor your operation with the reliability of Dura-Hoist. With solid construction, internal lubrication and pendant control, the only thing you won’t need is worry.


 

Premium Gearbox Design

  • Helical and worm gears provide increased load control and quiet operation
  • Fully enclosed oil bath reducer dissipates heat and provides continuous lubrication for long service life

Premium Motor & Configurations

  • Brushless-design, totally enclosed AC induction motor provides superior life
  • Quiet operation in both directions
  • 115-volt single phase standard, with other voltages available (single- and three-phase configurations)

Ready-to-Work Controls

  • Standard  push-button pendant and power cord standard on 4771 and 4777
  • NEMA 4 rating for outdoor use

Enhanced Load Handling

  • Quickly disconnect loads when needed to speed labor/time

Durable Winch Frame & Component Construction 

  • Cast aluminum drum, frame, and gearbox (with enamel or optional epoxy coating) resist corrosion for extreme conditions and applications

Internal Mechanical Load Brake

  • Internal mechanical brake helps control loads and facilitates controlled operation 
  • Wet-brake design increases durability by dissipating heat and reducing wea

Portable Design

  • Optional integrated pressure plate prevents unspooling during transport
  • Mounts on wall, ceiling, or floor for maximum flexibility
  • Lightweight cast aluminum drum and gearbox

 

Series

Imperial

Load Rating Power Supply Maximum Line Speed Range Drum Capacity Drum (Wide or Narrow)
4771 2,000 lbs 115/ 1 / 60 VAC 13 - 22 fpm 90 - 120 ft. Wide
4771PN 1,500 lbs Pneumatic 13 - 22 fpm 90 - 120 ft. Wide
4771HY 2,000 lbs Hydraulic 13 - 22 fpm 90 - 120 ft. Wide
4771DC 2,000 lbs 12V DC 13 - 22 fpm 90 - 120 ft. Wide
4777 2,000 lbs 115 /1 / 60V AC 13 - 22 fpm 60 - 89 ft. Narrow

Series

Metric

Load Rating Power Supply Maximum Line Speed Range Drum Capacity Drum (Wide or Narrow)
4771 907 kg 115/ 1 / 60 VAC 3 - 6 mpm 90 - 120 ft. Wide
4771PN 680 kg Pneumatic 3 - 6 mpm 90 - 120 ft. Wide
4771HY 907 kg Hydraulic 3 - 6 mpm 90 - 120 ft. Wide
4771DC 907 kg 12V DC 3 - 6 mpm 90 - 120 ft. Wide
4777 907 kg 115 /1 / 60V AC 3 - 6 mpm 60 - 89 ft. Narrow

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