Calumet Chicago offers NEW air motor and hydraulic railroad jacks, and Refurbished Duff Norton air motor jacks.
Calumet Chicago accepts Trade-ins. If you have an existing jack and are curious whether it has trade-in value, give us a call to discuss.
Duff Norton air motor jacks are available in seven different models with lifting capacity ranging from 20 tons to 100 tons. These precision built, sturdy, dependable machines employ the time-tested basic screw principle with fool-proof, built-in rotary air motors. These Jacks can be synchronized for simultaneous operation through use of a “Y” connection. The Duff Norton series are routinely used for raising and lowering freight cars, railcars, diesel locomotives and truck trailers.
Contact us to learn more about our New, Refurbished and Trade-In Industrial Jack Program | (708) 474-2343
Duff Norton Air Motor Jack Models (CMJ):
| MODEL | 144CMJ | 132CMJ | 126CMJ | 536CMJ | 528CMJ | 326R | >228R |
| LIFTING CAPACITY | 75 TON | 75 TON | 75 TON | 50 TON | 50 TON | 35 TON | 20 TON |
| SUSTAINING CAPACITY | 100 TON | 100 TON | 100 TON | 50 TON | 50 TON | 35 TON | 20 TON |
| STROKE | 30″ | 18″ | 13-3/4″ | 25″ | 17″ | 14-3/8″ | 18″ |
| TRAVEL TIME | 2.6″ PER MIN. | 4″ PER MIN. | 6″ PER MIN | 2.6″ PER MIN. | 7.1″ PER MIN. | 12.9″ PER MIN. | 12.9″ PER MIN. |
| CFM REQUIRED | 155 CFM | 180 CFM | 200 CFM | 120 CFM | 170 CFM | 170 CFM | 180 CFM |
| LOWERED HEIGHT | 44″ | 32″ | 26″ | 36″ | 28″ | 26″ | 28″ |
| BASE DIAMETER | 18″ | 13″ | 13″ | 15″ | 14″ | 14″ | 12″ |
| HEAD DIAMETER | 6-1/8″ | 6-1/8″ | 6-1/8″ | 5″ | 5″ | 4″ | 4″ |
| PORTABLE ON WHEELS | YES | YES | YES | YES | YES | YES | YES |
| WEIGHT | 530 LBS | 480 LBS | 448 LBS | 425 LBS | 394 LBS | 275 LBS | 240 LBS |
Enerpac Pow’R Riser Models:
| MODEL | 6014L | 6027L | 10016L | 10027L | 15016L | 15027L | 20014L | 20016L | 20027L |
| LIFTING CAPACITY | 60 TON | 60 TON | 100 TON | 100 TON | 150 TON | 150 TON | 200 TON | 200 TON | 200 TON |
| MAXIMUM OPERATING PRESSURE (psi) | 6,000 | 6,000 | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 |
| CAPACITY | 60 ton | 60 ton | 100 ton | 100 ton | 150 ton | 150 ton | 200 ton | 200 ton | 200 ton |
| STROKE | 14″ | 27″ | 16″ | 27″ | 15.5″ | 27″ | 14″ | 15.3″ | 24″ |
| COLLAPSED HEIGHT (IN) | 24″ | 37″ | 26″ | 37″ | 26″ | 37″ | 34″ | 26″ | 37″ |
| POWER SOURCE | Air or Electric | Air or Electric | Air or Electric | Air or Electric | Air or Electric | Air or Electric | Air or Electric | Air or Electric | Air or Electric |
| VALVE TYPE | Manuel | Manuel | Manuel | Manuel | Manuel | Manuel | Manuel | Manuel | Manuel |
| PORTABLE ON WHEELS | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Pneumatic | Pneumatic |
Design and Manufacturing Features:
- Manufactured in compliance with ASME B30.1 (asme.org)
- 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 the 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 dropping 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 are internally keyed to prevent standard from turning
- Broad, sturdy base for stability serrated forged steel top