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Leave The Heavy Lifting to Us
Thern® Winches & Cranes
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RESOURCES

THERN EQUIPMENT OWNER’S MANUALS

POWER WINCHES

PORTABLE MODEL FILE FORMAT FILE SIZE FORM NO.
Liberty Capstan Winches 3CP PDF 2 MB A21392-E-1122
Worm Gear 3WG4 Series 3WG4 PDF 3.8 MB A10513-E1118
Helical/Worm Gear 477 Series 477 PDF 971 KB A5445J-0917
Worm Gear 4WP2 / 4WP2T Series 4WP2 / 4WP2T PDF 1.9 MB A7318G-0815
Helical/Parallel, Helical/Worm, Helical/Bevel Gear 4HPF / 4HWF / 4HBP / 4HBN PDF 460 KB A7944D-0621
Worm Gear Power 4WP2D Series 4WP2D PDF 873 KB A8328D-0114
Crane Limit Switch Supplement 5PxLS PDF 801 KB A20484-C-0920
HEAVY DUTY – UP TO 6500 lbs MODEL FILE FORMAT FILE SIZE FORM NO.
Worm/Spur and Helical/Spur Gear 4WS / 4HS PDF 1.5 MB A6322H-0117
HEAVY DUTY – UP TO 76,000 lbs MODEL FILE FORMAT FILE SIZE FORM NO.
Worm/Spur and Helical/Spur Gear 4WS / 4HS PDF 2.1 MB A6322H-0117
Helical/Parallel, Helical/Worm, Helical/Bevel Gear 4HPF / 4HWF / 4HBP / 4HBN PDF 460 KB A7944D-0621
ELECTRIC CONTROLS MODEL FILE FORMAT FILE SIZE FORM NO.
Wireless Control Radio Kit A28737 PDF 260 KB A28995-0621

DAVIT CRANES

PORTABLE MODEL FILE FORMAT FILE SIZE FORM NO.
First Mate Series 5PF5 PDF 2 MB A14473-0119
Roll Base for Davit Crane 5BR5 PDF 5 MB A14507-0322
New Commander Series 5PT5, 5PT10, 5PT20 (C) PDF 1.1 MB A12376-J-0820
A12376 Important Supplement 5PT10 / 5PT20 PDF 342 KB
Ensign Series 5PA5 / 5PA10 PDF 2.7 MB A11577I-0617
Cable Wind-Up Spool RW50 PDF 1.1 MB A8104D-0716
Supplemental Instructions for 5PA5LCK and 5PF5LCK Series Rotation Lock 5PA5LCK / 5PF5LCK PDF 722 KB A22283A-0518
Supplemental Instructions for 5PT10BRG and 5PT20BRG Series Rotation Bearing and Lock 5PT10BRG / 5PT20BRG PDF 671 KB A13821A-0518
TRANSPORTABLE MODEL FILE FORMAT FILE SIZE FORM NO.
Admiral Series 5PT30 PDF 2.4 MB A9699H-0322
STATIONARY MODEL FILE FORMAT FILE SIZE FORM NO.
Captain 2000 & 2500 Series 5FT20 / 5FT25 PDF 574 KB A25317-C-1120
Captain 4000 Series 5FT40 PDF 595 KB A27607-A-1120

BIG RED AIR WINCHES

TA SERIES MODEL FILE FORMAT FILE SIZE FORM NO.
Planetary Gear Air Winch TA10 PDF 4.6 MB A9903C-0514
TA Series Planetary Gear Non-Rider TA2 / TA2.5 / TA5 / TA7 PDF 4.9 MB A8344E-0514
NEW MTA Mini Tugger Series MTA1000 / MTA2000 Cycloidal Gear PDF 2.3 MB A12984-0814
TAC Series Planetary Gear Air Winch TAC PDF 6.4 MB A12192B-0316

HAND WINCHES

SPUR GEAR MODEL FILE FORMAT FILE SIZE FORM NO.
Direct Drive Reel Winch for Pulling Only M401 PDF 551 KB A5349E-0114
Spur Gear M452 / M492 Series M452 / M492 PDF 1.9 KB A5360H-0516
Spur Gear Line M4022 / M4032 / M4042 / M4312 / M4412 PDF 2 MB A8097-I-0321
Hand-Operated Disc Brakes MB441 / MB451 / MB491 PDF 966 KB A6191D-1015
Cable Wind-up Spool RW50 PDF 1.1 MB A8104D-0716
WORM GEAR MODEL FILE FORMAT FILE SIZE FORM NO.
Worm Gear Line 462 / 4622 / 472 / 4722 / 482 PDF 3.1 MB A6112J-0117
Worm Gear 4WM2 Series 4WM2 PDF 2.4 MB A7535H-1115
Worm Gear 2W40 Series 2W40 PDF 2.3 MB A10777-C1218
Worm Gear 465 Series 465 PDF 844 KB A5368-F0218

ACCESSORIES

ITEM MODEL FILE FORMAT FILE SIZE FORM NO.
Vertical Lead Block VLB-G25, VLB-G31, VLB-G38, VLB-G44, VLB-G50 PDF 988 KB A23621-A-0819
Cable Wind-Up Spool RW50 PDF 1.1 MB A8104D-0716
Roll Base for Davit Cranes 510R / 524R PDF 1.5 MB A8489C-0316
Hitch-Mounted Crane Base 5BH5 PDF 1.6 MB A28390-A-0921
Celebrating 70 years at Thern. Made in the USA

Thern, Inc

Thern® is a global winch & crane manufacturer proudly based in Minnesota with 70+ years of experience providing top-quality lifting, pulling, & positioning equipment.

The Thern, Liberty, Ensign, First Mate, Commander, Captain, and Admiral trademarks are federally registered trademarks owned by Thern, Inc. Any unauthorized use is expressly prohibited.

LATEST UPDATES

  • Custom Cranes Designed to Meet Your Unique Needs
  • configurator tool expanded to include all cranesCrane Website Configurator Expansion: All Cranes Now Included

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CONTACT

CORPORATE HEADQUARTERS

5712 Industrial Park Rd
Winona, MN 55987 USA
Phone: 507-454-2996

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EUROPEAN HEADQUARTERS

Siriusdreef 17-27, 2132 WT Hoofddorp
The Netherlands
+31-546-898380
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