JET 20 Ton Screw Jack, SJ-20T - JT9-441320

Height Adjustable for Leveling Trailers parked on uneven ground. Jacks prevent upending of semi-trailers when disconnected from a truck during loading/unloading. Broad base plate helps prevents the trailer dollies from sinking into soft surfaces. High-strength steel construction. Can be used singularly or in pairs and helps meet OSHA Requirements 1910.178(k) (3). Standard Jack features a ratchet with an ACME threaded screw to raise and lower the jack. 14" diameter x ½" thick base plate, 8" diameter top plate and 8" semi-pneumatic wheels for portability.

This Hydraulic long ram is designed to lift, not support, rated capacity loads. This ram is intended to be used with corresponding Blackhawk Automotive engine cranes. Immediately after lifting, the load must be supported by mechanical means. For air option model, ensure that air source can dedicate 7.8 CFM @ 110-175 psi to each ram operated Features: Hydraulic system is protected from internal damage by a patented by-pass mechanism Machined and polished cylinders with die-cut threads provide non-abrasive leak-free, durable performance Fabricated from hard-cast steel with heat-treated ...

AHJ-20 20 TON AIR/HYDRAULIC BOTTLE JACK WITH CASE JETAHJ SERIES AIR/HYDRAULIC BOTTLE JACKS For lifting, pushing ,spreading, bending, pressing or straightening requirements Not affected by temperature extremes All models work in upright, angle, or horizontal position Electrically welded base and cylinders to assure strength and eliminate leaks Equipped with labor saving air pump Carrying handle included Pump handle included Comes packaged in heavy duty blow molded case Available in 12 or 20-ton capacities Complies with ANSI/ASME B30.1 and PALD-1 standards

This is an original part from Jet. The air valve assembly is compatible with the air/hydraulic bottle jack, and is sold individually. Secured onto the tank assembly, this metal and rubber component allows the operator to lift heavy equipment and other large projects. An adjustable wrench and pliers may be necessary for the removal and installation. Please refer to the specific manual for safety and repair instructions. For Use With: Jet JASJ-22C (454200C) Air / Hydraulic 22-Ton Service Jack AHJ-12 (456612) Air / Hydraulic Bottle Jack AHJ-20 (456620) Air / Hydraulic Bottle Jack

Vestil Economy Flat Base Trailer Stabilizing Jack SJ-40 50,000 Lb. Static Capacity Trailer Stabilizing Jacks are used to prevent up-ending semi-trailers when they are not connected to a tractor during loading and unloading operations. Also used to level trailers parked on sloped ground and to prevent landing gear from sinking into a soft surface. High strength steel construction. Flush-type zerk fitting for lubricating ACME screw. Meets OSHA regulations when used with wheel chocks. Powder coat safety yellow finish. Includes reflective collar for visibility at night.