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Mechanical Journal Jacks
Quick Info: Mechanical Journal Jacks - Heavy Duty - Load
Capacities: 15 to 100 tons
Application: For load holding, lifting, and pushing. Ideal
for applications where electric or air power is inconvenient or dangerous.
Description: Mechanical lifting mechanism. Pumping action turns gears to advance piston. Internal lifting mechanism is made from chrome molybdenum (chromoly) steel to withstand excessive loads. Gear construction provides strong and precise interlocking feature for no creeping under load and smooth lifting. Holds load indefinitely without creeping down. May be operated in both vertical and horizontal positions. Steel pumping handle included.
Traversing bed, safety bed, and toe attachments are available upon request.
Industry Names: Also known as a 'screw jack' or 'super
jack'.
ATTENTION: Before purchasing, please consider the 'handle
effort per ton of load' as listed in the table with each item. What this means
for you: Assume the handle effort per ton is 10 lbs. If you lift 5 tons of
weight, you need to push the pumping handle with 50 lbs of force (10 lbs x 5)
each time you pump.
Includes: (1) one mechanical journal jack, and (1) one
pumping handle
WARNING: Never exceed rated capacity!