Product image of Supertech 7K weld-on square tube jack, standalone view - STJW0020

Close-up showing square jack's top plate and weld-on bracket - STJW0020

Left side view of the square tube jack with clear weld zone - STJW0020

Infographic showing jack's construction features and benefits - STJW0020

Technical measurements of the Supertech square jack with labeled lines - STJW0020

Square Weld-on Side Crank 7,000 lbs Jack-Painted

$69.99; $69.99
Unit price: per

The Trailer Valet STJW0020 is a 7,000 lb capacity weld-on square tube jack with a 15" drop leg for extra extension. Built for durability and stability, it ensures reliable lifting for heavy-duty towing needs.

Description
Features & Specs
FAQ
Videos
Manuals

For Strength & Durability The Trailer Valet STJW0020 is a heavy-duty weld-on jack built for strength and stability. Designed for direct welding onto a square frame, it eliminates the need for a weld bracket, ensuring a secure and permanent mount. With a 7,000 lb support capacity, it’s ideal for handling demanding towing applications.

It gives you Reliable Lifting Performance Featuring a side-wind handle, this jack provides smooth and controlled operation. It offers 14 inches of travel distance, plus an additional 15-inch drop leg extension, giving a total adjustment range of 23.5 to 51 inches for maximum versatility.

Durable, Weather-Resistant, and Weighing just 22 lbs, this jack is lightweight yet robust. Finished with a black powder coating, it resists corrosion and wear, ensuring long-lasting performance in tough conditions.

If you have any inquiries about if this product will work for your specific trailer or environment, please reach out to our Support Team at support@trailervalet.com

Features

Weld on mounting

Attach to square frame, weld directly to frame. No weld bracket included.

7,000 lbs. support capacity and 1,800 lbs. dynamic lift capacity

Handle Style: Side wind

Travel Distance: 14 inch travel

Additional 15 inch extension with drop leg

Retracted Height: 23.5 inches

Total Adjust: 23.5-51 inches

Unit Weight: 22lbs

Finish: Black powder coat

Specifications

Dynamic Lift Capacity Lbs: 1,800

Static Tongue Weight lbs: 7,000

Static Weight Capacity with Footplate Lbs: 7,000

Mounting Type: Weld

Item Height Inches: 24

Item Width Inches: 10

Item Depth Inches: 8

Item Net Weight lbs: 21

Warranty: 1 Year Manufacturers Limited Warranty

Includes: Includes on weld on jack

FAQ

What is the weight capacity of the SuperTech Weld-On Square Tube Jack?

This jack supports up to 7,000 lbs of static tongue weight, making it ideal for heavy-duty trailers, including utility, equipment, and livestock trailers.

Is this jack manually operated?

Yes, the jack uses a side-wind handle for manual operation, offering smooth and consistent lift performance.

How is the jack mounted?

This is a direct weld-on jack, designed to be welded directly to the trailer frame without additional mounting brackets.

Does the jack include a drop leg?

Yes, the jack comes with a 15-inch drop leg that provides additional extension for faster deployment and height adjustment.

What is the travel range of the jack?

The jack offers a 14-inch travel range in addition to the drop leg extension, allowing you to fine-tune trailer height.

What is the jack's height range?

The total adjustable height ranges from 23.5 inches retracted to 51 inches fully extended, offering excellent flexibility.

Does the jack have any features to reduce wear?

Yes, the jack includes an internal sleeve that stabilizes the inner tube and helps reduce wear and tear during lifting and lowering.

Is the SuperTech Jack corrosion-resistant?

Absolutely. It is finished with Trailer Valet’s Signature Wrinkle Black Powder Coating, offering 700 hours of corrosion resistance.

What kind of handle does the jack use?

It features a rubberized side-wind handle for a comfortable grip and better control during operation.

Is the SuperTech Jack weather-resistant?

Yes, it is designed with weather-resistant shielding and coatings, making it suitable for long-term outdoor use.

Can the jack be used for all trailer types?

While it's built for versatility, this jack is best suited for larger trailers that require a weld-on installation and high lift capacity.

Does it support both dynamic and static loads?

It is rated for 7,000 lbs static support and , 1600 lbs Dynamic lift capacity.

What are the jack’s dimensions?

Retracted height: 23.5 inches, Extended height: 51 inches, Unit weight: 22 lbs

What is the outer tube shape and size?

It is a square-tube jack, providing increased structural strength and a tighter fit against lateral movement.

Is there a footplate included?

Yes, the jack comes with a standard footplate, providing stable ground contact on various surfaces.

What tools are needed for installation?

Since it's a weld-on model, welding equipment is required for installation. This jack is not designed for bolt-on setups.

Does the jack come with a warranty?

Yes, it includes a 1-year manufacturer’s limited warranty for protection against defects in materials and workmanship.

Videos

Manuals

Free Shipping

Enjoy free shipping on any order $200 and over to anywhere in the contiguous US.

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Warranty

All products are covered under our limited 1-year warranty. Extended 2-Year and 3-Year warranties are available for extra peace of mind.

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