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Hand Winches
Power Winches
Accessories

 

Portable Davit Cranes

Hand or Power Winch Operation
Up to 2,000 lbs capacity

Hand Winch Operated Models include spur gear or worm gear hand winch with automatic disc brake for load control.
 
The Worm Gear Hand Winch model 4WM2-K can be power driven with a maximum 400 rpm drill-motor. Not available for Series 5122.
 
Power Winch Operated Models include 115 volt 1 phase AC electric winch with pendant control and brake. Other voltages and phases, 12 volt DC, pneumatic, and hydraulic available, contact factory. Series 5122 for hand operation only.
 
Quick Disconnect Anchor for quickly attaching or removing the wire rope from the winch drum.
 
Corrosion Resistant Finish with electrostatic powder coating and corrosion resistant fasteners. Galvanized finish also available, see models ending in GAL.
 
Adjustable Booms provide different height and reach combinations for various size loads. Series 5122 boom adjusts with pins to 2 different positions for operation, and folds down for storage or transport. Series 5110 and 5124 booms telescope to 4 different lengths, and adjust in height while under load with ratchet style screw-jack.
 
Crane Rotates 360° on a pin and sleeve bearing in the base.
 
Stainless Steel models for long service life in corrosive environments, with zinc and iridescent dichromate plated hand winch or stainless steel hand winch.
 
Bases sold separately in pedestal, socket, or wall mount style.
 
Wheel Base sold separately for floor crane operation. Base includes rear caster wheels for 360° maneuverability.
 
Wire Rope Assemblies sold separately.
 
2-year Limited Warranty - view warranty
 
Thern products are not for lifting people, or things over people.

Selected Models
Series 5122
portable crane for lifting up to 500 lbs. shown with powder coat finish and zinc plated spur gear hand winch.

Owners Manual
Tech Data

Series 5110
for lifting up to 1000 lbs. shown in stainless steel with stainless steel spur gear hand winch.

Owners Manual
Tech Data

Model 5124
portable crane for lifting up to 2000 lbs. shown with powder coat finish and worm gear hand winch.

Owners Manual
Tech Data

510 flush and wall bases
sold separately in all finishes, for upright, flush or wall installation.


Model RW50
stainless steel storage spool for wind up of unloaded wire rope

Owners Manual
Tech Data


 

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Thern, Inc. • 5712 Industrial Park Road • PO Box 347 • Winona, MN 55987
507.454.2996 • 1.800.843.7648 • fax: 507.454.5282 • info@thern.com
Copyright © 2009 Thern, Inc. All rights reserved. • Thern Terms and Conditions