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When you’re hauling serious weight, you need a jack that won’t flinch under pressure. This square direct-weld jack handles a 10,000 lb lift and 12,000 lb support capacity with a durable 1" jack screw that turns smoothly even under load. Twin thrust bearings make raising and lowering steady and controlled instead of a chore. Weld it to your frame once and you’ve got a setup that stays solid job after job.
Instead of spinning the handle forever to reach the ground, you just pull the side-mounted plunger pin and let the spring-return drop leg do the work. The leg adds 13-1/2" for a total adjustment of 25-3/4", so you can fine-tune height fast and get moving again. When it’s time to retract, the spring pulls the leg back automatically—no need to lift it by hand.
Soft ground, gravel, and uneven pads are no problem for the solid rectangular footplate that keeps this jack steady and prevents sinking. Both the outer 4" tube and 3-1/2" inner tube are built from heavy-gauge steel with a black painted finish for long-term durability. The thick weld areas and sturdy construction hold up to regular work use without flex or wobble.
Keeping your jack smooth is as easy as a quick shot of grease. The integrated grease zerk fitting lets you service the internal screw without teardown or disassembly, keeping corrosion and wear at bay. That means less downtime and smoother cranking every time you hook up.
Mounting is direct and secure thanks to the weld-on design. The plunger pin sits to the side for easy access even when space is tight. The matching sidewind handle (part # TJD-12000-HD) installs with the included hardware when you’re ready to complete the setup. With replacement parts available for the screw, gears, and return spring, this jack is made to stay serviceable for years.

Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews

Henry W.
12/7/2019
Still working great no problems with any of the jacks

Nolan
1/27/2019
These trailer jacks are working great. Easy to install just follow the instructions.

Vicki M.
5/18/2020
no issues at all - would purchase again
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Peteg
4/15/2018
Works flawlessly.