CURT Trailer Jack: Direct-Weld Square Jack, 5,000 lb Static Load Capacity, Sidewind
The CURT Trailer Jack is a direct-weld square jack (SKU 809LJ3, MPN 28359) with a 5,000 lb static load capacity, a Sidewind handle type, and a weld-on mounting. It features a foot plate base and a maximum lift height…
SKU 3G-OTH-499912
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Product Description
The CURT Trailer Jack is a direct-weld square jack (SKU 809LJ3, MPN 28359) with a 5,000 lb static load capacity, a Sidewind handle type, and a weld-on mounting. It features a foot plate base and a maximum lift height of 39-7/8 inches.
Frequently Asked Questions
What is the CURT 28359 trailer jack used for?
The CURT 28359 direct-weld square jack is used to lift and support the tongue of a trailer for coupling, uncoupling, and leveling. Its 5,000 lb static load capacity suits medium-duty trailers in agricultural, construction, and utility applications. 3G Electric supplies this CURT jack and handles worldwide logistics.
What are the specifications of the CURT 28359 trailer jack?
The CURT 28359 is a Sidewind, weld-on square jack with a 5,000 lb static load capacity and a maximum lift height of 39-7/8 inches. It has a foot plate base and a Sidewind handle type. The manufacturer part number is 28359. 3G Electric sources this CURT jack for global delivery.
Where to buy the CURT 28359 trailer jack worldwide?
3G Electric supplies the CURT 28359 direct-weld square jack to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. As a global industrial solutions provider, we source genuine CURT equipment for your trailer needs.
How to install a weld-on trailer jack like the CURT 28359?
To install a weld-on trailer jack like the CURT 28359, first measure and mark the mounting location on the trailer frame. Weld the jack's square tube securely to the frame, ensuring it is plumb and level. Allow the weld to cool before applying load. Always follow the manufacturer's instructions and safety guidelines.
Used in
Common applications for CURTCURT Products
3G Electric supplies CURT trailer jacks without wheels. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









