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100 and 150 Ton Bossman Jacks

Bossman

50 Ton Capacity Bossman Jacks

Bossman

20 to 100 Ton Air Motor Jacks

Duff-Norton Air Motor Jack

Features


    • Manufactured in compliance with ASME B30.1.
    • Easy to move and spot with long transport handle and collapsible spotting handles.
    • Up or down hand throttle control well guarded. Position of lever clearly indicates direction up or down.
    • Sturdy shell with large diameter base for stability under top-heavy loads.
    • 10” diameter, 2 ½” face solid rubber-tire roller bearing wheels assure easy portability.
    • Transport handle folds down and out of the way when jack is in use.
    • Automatic shut off stops the motor when lifting standard reaches the safe limit of its raised or lowered position.
    • Screen in air hose connection easily removed for cleaning.
    • Easy to lubricate through two convenient plugs in jack and one in air motor.
    • Built in muffler.
    • Ball bearing thrust and radial mountings throughout for easy action and long life.

Safety Features


    • A brake is provided on 50 and 100 ton jacks to prevent accidental lowering.
    • The load is lowered entirely, as well as raised, by air motor so that the lowering speed is always under constant control, preventing slipping or sudden drop of the load.
    • The design of the jack prevents lowering or creeping under load in case of air failure due to disconnection or injury to the hose.
    • Jacks ore internally keyed to prevent standard from turning.
    • Broad, Sturdy base for stability.
    • Serrated forged steel top.


Capacity (tons)

Model Number

Product Code

Height (inches)

Raise (inches)

Base Dia. (inches)

Head Dia. (inches)

Type of Motor

Weight (pounds)

20

228R

00105

28

18

12

4

Rotary

240

35

326R

00106

26

14 3/8

14

4

Rotary

275

50

528CMJ

00141C

28

17

14

5

Rotary

394

50

536CMJ

00142C

36

25

15

5

Rotary

425

100

126CMJ

00143C

26

13 ¾

13

6 1/8

Rotary

448

100

132CMJ

00144

32

18

13

6 1/8

Rotary

480

100

144CMJ

00145

44

30

18

6 1/8

Rotary

530