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Thern 4BP Series Heavy Duty Electric Power Winches

Model 4bp heavy-duty electric power winches

All Thern winches and cranes are sold without wire rope.

4BP SERIES

31,000 to 51,000 lb Capacity 

The 4BP Series of heavy-duty electric power winches (31,000 to 51,000 pounds) is designed for a wide range of applications including barge and rail car positioning, bulk material handling, and much more. The range of options in lifting capacity, motor power and drum width enable a 4BP winch to be implemented within a relatively small footprint while retaining a high load rating and wire rope capacity. Fixed or variable speed controls may be mounted directly on the winch, minimizing footprint and allowing precise control of the winch.

BEVEL, PLANETARY GEAR DRIVEN

Heavy-Duty Winch for Reliable Heavy Lifting and Pulling The 4BP Series of heavy-duty electric power winches (31,000 to 51,000 pounds) is designed for a wide range of applications including barge and rail car positioning, bulk material handling, and much more. The range of options in lifting capacity, motor power and drum width enable a 4BP winch to be implemented within a relatively small footprint while retaining a high load rating and wire rope capacity. Fixed or variable speed controls may be mounted directly on the winch, minimizing footprint and allowing precise control of the winch.

Quick Facts:

  • High Efficiency Premium Motor
  • Dedicated Lifting Points for Installation
  • Large Diameter Welded Steel Drum
  • Reliable and Sturdy Gearbox Design

Series Models:

  • 4BP30-20HE
  • 4BP30-20LE
  • 4BP30-48HE
  • 4BP30-48LE
  • 4BP40-24HE
  • 4BP40-24LE
  • 4BP40-48HE
  • 4BP40-48LE
  • 4BP50-24HE
  • 4BP50-24LE
  • 4BP50-48HE
  • 4BP50-48LE

Fetures:

  • Dedicated lifting poiints for installation Make installation safer and easier by utilizing installation lifting points
  • High efficiency premium motor Energy-efficient 460 volt, reversible, three-phase, industrial-grade motor, endures continuous use at desired load capacity Totally enclosed, fan-cooled (TEFC) design, featuring IP66 and F-class insulation, resists debris and contamination for long service life Standard motors comply with industry standards: UL, CSA, IEC, and NEMA MG1  Easy operation fail safe electric brake with manual release lever; simply press down handle to release brake
  • Large diameter welded steel drum Integrated wire rope anchor points promote uniform winding and long life of wire rope Continuous, solid-steel drum shaft and steel frame provide optimal strength and security Various drum widths available to accomodate required lengths of wire rope and footprint requirements Complete wire rope assemblies available upon request
  • Reliable and Sturday gearbox design Fully enclosed bevel, planetary gear set provides reliable operation under heavy loads and allows for optimal load control Large-capacity bearings enhance smooth operation and durability Sealed, cast-iron gearbox with integral oil bath for rotating gears dissipates heat and provides continuous lubrication for enhanced service life
Specifications Imperial
Series Load Rating
(First Layer)
Drum Width Line Speed Motor Power Motor Voltage
4BP30-20HE 31,000 lbs 20 in 44–84 fpm 50 hp 460/3/60
4BP30-20LE 31,000 lbs 20 in 15–26 fpm 15 hp 460/3/60
4BP30-48HE 31,000 lbs 48 in 44–84 fpm 50 hp 460/3/60
4BP30-48LE 31,000 lbs 48 in 15–26 fpm 15 hp 460/3/60
4BP40-24HE 41,500 lbs 24 in 52–80 fpm 75 hp 460/3/60
4BP40-24LE 41,500 lbs 24 in 17–26 fpm 25 hp 460/3/60
4BP40-48HE 41,500 lbs 48 in 52–80 fpm 75 hp 460/3/60
4BP40-48LE 41,500 lbs 48 in 17–26 fpm 25 hp 460/3/60
4BP50-24HE 51,000 lbs 24 in 44–73 fpm 75 hp 460/3/60
4BP50-24LE 51,000 lbs 24 in 15–25 fpm 30 hp 460/3/60
4BP50-48HE 51,000 lbs 48 in 44–73 fpm 75 hp 460/3/60
4BP50-48LE 51,000 lbs 48 in 15–25 fpm 30 hp 460/3/60
Specifications Metric
Series Load Rating
(First Layer)
Drum Width Line Speed Motor Power Motor Voltage
4BP30-20HE 14,060 kg 508 mm 13-23 mpm 37 Kw 460/3/60
4BP30-20LE 14,060 kg 508 mm 5-8 mpm 11 Kw 460/3/60
4BP30-48HE 14,060 kg 1219 mm 13-23 mpm 37 Kw 460/3/60
4BP30-48LE 14,060 kg 1219 mm 5-8 mpm 11 Kw 460/3/60
4BP40-24HE 18,800 kg 610 mm 16-24 mpm 56 Kw 460/3/60
4BP40-24LE 18,800 kg 610 mm 5-8 mpm 19 Kw 460/3/60
4BP40-48HE 18,800 kg 1219 mm 16-24 mpm 56 Kw 460/3/60
4BP40-48LE 18,800 kg 1219 mm 5-8 mpm 19 Kw 460/3/60
4BP50-24HE 23,135 kg 610 mm 13-22 mpm 56 Kw 460/3/60
4BP50-24LE 23,135 kg 610 mm 5-8 mpm 22.3 Kw 460/3/60
4BP50-48HE 23,135 kg 1219 mm 13-22 mpm 56 Kw 460/3/60
4BP50-48LE 23,135 kg 1219 mm 5-8 mpm 22.3 Kw 460/3/60



 

 

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