All Thern Products Available Through mdi

Thern's complete line of Davit Cranes, Gantry Cranes, Winches, Electric Controls, and Rope & Rigging available through mdi.


Portable Davit Cranes

First Mate SPF5

First Mate SPF5 - NEW!
Max Capacity: 850 lbs.
Max Lift: Up to 285 ft.

First Mate 5122

First Mate 5122
Max Capacity: 500 lbs.
Max Lift: 65 ft.

Ensign 500 - 5PA5

Ensign 500 - 5PA5
Max Capacity: 500 lbs.
Max Lift: 95 ft.

Ensign 1000 - 5PA10

Ensign 1000 - 5PA10
Max Capacity: 1200 lbs.
Max Lift: 65 ft.

Commander 5PT10

Commander 1000 - 5PT10
Max Capacity: 1,200 lbs.
Max Lift: Up to 285 ft.

Commander 5PT20

Commander 2000 - 5PT20
Max Capacity: 2,000 lbs.
Max Lift: Up to 435 ft.

Admiral 3000 - 5PT30

Admiral 3000 - 5PT30
Max Capacity: 2,200 lbs.
Max Lift: Up to 475 ft.

Porta-Davit

Porta-Davit
Max Capacity: 1,100 lbs.

5124

5124 - Legacy
Max Capacity: 2,000 lbs.
Max Lift: Up to 59 ft.


Stationary Davit Cranes

Captain 1500 - 571

Captain 1500 - 571
Max Capacity: 1,500 lbs.
Max Lift: Up to 280 ft.

Captain 2200 - 572

Captain 2200 - 572
Max Capacity: 2,200 lbs.
Max Lift: Up to 470 ft.


Portable Gantry Cranes

Porta-Gantry

Porta-Gantry
Max Capacity: 1,100 - 11,000 lbs.

Porta-Gantry Rapide

Porta-Gantry Rapide
Max Capacity: 1,100 lbs.
PERSONNEL RATED!


Power Winches

WS Series

4WS 3 Ton Series
Capacity: 800 - 6,400 lbs.
Line Speed: 4 - 40 fpm.
Travel Dist.: 140 - 660 ft.
HP: 0.5 - 5

WS Series

4WS 13 Ton Series
Capacity: 800 - 26,000 lbs.
Line Speed: 10 - 35 fpm.
Travel Dist.: 440 - 1530 ft.
HP: 5 - 15

4HS Series

4HS Series
Capacity: 5000 - 56000 lbs.
Line Speed: 10 - 40 fpm.
Travel Dist.: 400 - 1630 ft.
HP: 2 - 50

4HWF Series

4HWF Series
Capacity: 1500 - 8000 lbs.
Line Speed: 25 - 35 fpm.
Travel Dist.: 270 - 2120 ft.
HP: 1.5 - 10

4HPF Series

4HPF Series
Capacity: 2,000-25,000 lbs.
Line Speed: 20–40 fpm.
Travel Dist.: 300–2,120 ft.
HP: 1-30

4HBP Series

4HBP Series
Capacity: 35,000-100,000 lbs.
Line Speed: 70 fpm.
Travel Dist.: 1300 ft.
HP: 20-35


Spur Gear Hand Winches

Spur Gear Hand Winches

Spur Gear Hand Winches
Max Capacity: 2,000 lbs.


Worm Gear Hand Winches

Worm gear Hand Winch

Worm Gear Hand Winches
Max Capacity: 2,000 lbs.

2W40 Worm gear Hand Winches

2W40 Worm Gear Hand Winches
Max Capacity: 4,600 lbs.


Portable Power Winches

4WP2 Portable Power Winches

4WP2 and 4WP2T Worm Gear Portable Power Winches
Max Capacity: 2,000 lbs.
Line Speed: 8 - 19 fpm.
Travel Distance: 190 - 280ft.
HP: 1.3

4WP2D Portable Power Winches

4WP2D High Speed Worm Gear Portable Power Winches
Max Capacity: 1,500 lbs.
Line Speed: 65 - 97 fpm.
Travel Distance: 280 ft.
HP: 3

477 Portable power winches

477 Dura-Hoist Helical/Worm Gear Portable Power Winches
Max Capacity: 2,000 lbs.
Line Speed: 13 - 22 fpm.
Travel Distance: 90 ft.
HP: 1.2

3WG4 Portable power Winches

3WG4 High Speed Worm Gear Portable Power Winches
Max Capacity: 4,600 lbs.
Line Speed: 24 fpm.
Travel Distance: 140 ft.
HP: 3


Air Winches

C series air winches

C SERIES
Capacity: 5,000-22,000 lbs.
Line Speed: 24-136 fpm.
Travel Dist.: 340-1530 ft.
HP: 23-25.84

Mini Series Air Winches

Mini Series
Capacity: 1,000-2,000 lbs.
Line Speed: 30-67 fpm.
Travel Dist.: 190-580 ft.
HP: 1.35-3.5

big red legacy series air winches

Big Red Legacy Series
Capacity: 4,700-37,000 lbs.
Line Speed: 19-114 fpm.
Travel Dist.: 580-2780 ft.
HP: 7.1-27

TA10

TA10 Air Winches
Capacity: 21800–37000 lbs.
Line Speed: 20–34 fpm.
Travel Dist.: 1,390–2,780 ft.
HP: 27


Electric Controls


Rope and Rigging