Winches


The simple definition of a winch is a mechanical device that is used to wind up a rope or cable; it generally consists of a spool, sometimes referred to as a winch drum, attached to a crank. Winches used in heavy lifting industries can have sophisticated gear assemblies that are powered by hydraulic, pneumatic or combustible engine drives. Some applications also need a winch that includes a mechanical brake or ratchet that prevents the rope from unwinding. Winches are often used to tow boats or cars, and may also be used to move stage equipment. Bishop Lifting Products stocks and supplies the most heavy duty hand winches, air winches, and electrical winches.



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  • Thern CatalogThern Winch Catalog









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  • Thern CatalogThern Air Winch Brochure

  • Hand Powered Winches: Hand winches must be intricately engineered to provide strength and eliminate maintenance. Quality hand winches are constructed using solid steel gears and industrial strength components.

  • Electrical Powered Winches: Electrical powered winches come in both fixed and portable models. These power winches offer machine cut gears, enclosed oil baths and durable cast aluminum construction. They also feature internal mechanical brakes.

  • Heavy Duty Winches: Heavy duty winches are intended for the most demanding lifting applications and are able to lift up to 76,000 lbs. They include enclosed machine cut gearing and worm/spur gears


Applications

The versatility of winches allows them to be used in a multitude of applications, including setting up rigs, pulling pipe, moving industrial material, positioning objects on mast towers, raising telecommunication towers, moving materials for wind tower turbines and a host of other uses.


Thern® Winches

Thern ® offers a complete line of winches that come in both standardized models and customized designs. Never worry that you will not be able to find the ideal winch for your application, because more than 25% of Thern®s business involves custom designs. All hand, electrical and air-powered winches come backed by a Two Year Limited Warranty.


Hand WinchThern® Hand Winches

For loads 500 lbs to 2000 lbs, consider the following models:

  • Model M401: Up to 500 lbs

  • Model M4022PB: Up to 1000 lbs

  • Model M4032: Up to 1000 lbs

  • Model M4042PBSS: Up to 1000 lbs

  • Model M4312PB: Up to 2000 lbs

  • Model M4312PBSS: Up to 2000 lbs

  • Model M4412: Up to 2000 lbs

For loads 750 lbs to 4000 lbs, consider these worm gear models:

  • Model 465: Only up to 750 lbs

  • Model 4622PB: Up to 1000 lbs

  • Model 4WM2: Up to 2000 lbs

  • Model 482B: Up to 4000 lbs

  • Model 482BV: Up to 4000 lbs

These spur gear hand winches are ideal for loads up to 10,000 lbs:

  • Model M452B: Up to 4000 lbs

  • Model M452B-A: Up to 4000 lbs

  • Model M492B: Up to 10,000 lbs

  • Model M492-12: Up to 10,000 lbs

  • Model M452 with HW452: The hand wheel model is for pulling loads up to 4,000 lbs. A 10,000 lb model available.


Electrical WinchThern® Electrical Winches

Thern®s Electrical Winches come in both portable and industrial power series:

  • 4WP Series: These portable power winches have a weight range up to 2,000 lbs and are easily moved from place to place.

  • 477 Series: Up to 2000 lbs capacity


Heavy Duty WinchThern® Heavy-Duty Winches

  • 4WS1M-4WS6M Series: Electrical Winches with load ratings of up to 6,300 lbs capacity

  • Model 4WS: Up to 76,000 lbs

  • Model 4HS: Up to 76,000 lbs

  • Model 4HS: Up to 56,000 lbs

  • Model 4HPF: Up to 25,000 lbs

  • Model 4HPFC: Up to 15,000 lbs

  • Model 4HWF: Up to 8,000 lbs

  • Series TA: Air-powered heavy duty winches for loads up to 23,600 lbs


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