THERN® HELICAL WORM (HWF) SERIES | HEAVY-DUTY ELECTRIC WINCH

up to 8,000 lbs /  3,628 kg capacity

Thern’s Helical Worm Series offers an enclosed, flexible, electric winch, good for lifting in any environment. This winch has fully enclosed direct drive gearing, lowering your maintenance costs and delivering consistent performance for your most demanding lifting applications. The 4HWF Series has a 1,500 to 8,000 lb. capacity and feature helical/worm gearing making them ideal for applications requiring secure load control and accurate positioning. The enclosed, direct-drive gearing design delivers dependable operation and helps reduce maintenance, while a modular design means we can easily customize these winches to meet your exact specifications.

Flange Mounted Premium Motor & Enclosure

• Energy efficient 230/460 volt, reversible, three-phase, industrial-grade motor, endures continuous use
• 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

Direct-Drive Gear Reducers & Right-Angle Gearbox Design

• Right-angle gearbox decreases overall product length for tight spaces
• Direct-drive gear reducers, comprised of heat-treated helical/worm gears, deliver 65 to 76 percent efficiency and enhance load control and positioning
• 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
• Primary speed reducers meet AGMA and/or DIN standards

Integral Drum & Shaft Design

• Large-diameter, welded-steel drum, featuring outside flange, anchors, promotoes uniform winding and life of wire rope
• Anchors allow cable to be over or under wound and provides multiple drum exit angles
• Flange-style, self-aligning roller bearings with cast-iron housing maintain smooth drum rotation
• Continuous, solid-steel drum shaft and steel frame provide optimal strength and security
• Complete wire rope assemblies available upon request

Load-Holding Motor Disk Brake

• Spring-set, electrically released brake helps control loads and facilitates safe operation

ASME B30.7 Compliance Available

• Contact for details

Modular Design

• Flexible winch design allows customization to meet specific customer requirements

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