Heavy-Duty Weld-On Square Trailer Jack – 3175kg / 7000lb Lift Capacity
Engineered for strength, stability, and long-term reliability, this heavy-duty weld-on square trailer jack is designed to handle serious loads with confidence. With an impressive 3175kg (7000lb) rated lift capacity, it’s ideal for caravans, boat trailers, box trailers, and heavy-duty towing applications.
The square tube construction significantly improves side-load strength compared to round jacks, reducing flex and enhancing overall trailer stability during hitching, unhitching, and storage. A weld-on mounting ensures a permanent, rock-solid installation built to withstand harsh Australian conditions.
Featuring a drop-leg extension for increased height adjustment and a side-wind handle for smooth, controlled operation, this jack makes lifting and levelling your trailer simple and safe. The ergonomic grip provides comfort and control, even under heavy load.
Built tough and designed for ease of use, this jack is a reliable upgrade for any serious trailer setup.
Key Features
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Heavy-duty square jack design for superior side-load strength
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Weld-on mounting for permanent, secure installation
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High lift capacity rated to 3175kg / 7000lb
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Drop-leg extension for increased height and versatility
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Side-wind handle for smooth and easy operation
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Ergonomic grip handle for controlled lifting and lowering
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Ideal for caravans, boat trailers, and heavy-duty trailers
Specifications
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Rated Capacity: 3175kg / 7000lb
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Plate Size: 20 × 15 cm
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Overall Height Range: 63 – 133 cm
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Overall Size: 20 × 15 × 63–133 cm
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Mounting Type: Weld-on
What You’ll Love
You’ll love the confidence this jack gives you every time you hitch or unhitch your trailer. The square design delivers outstanding stability under load, while the drop-leg extension saves time when levelling on uneven ground. With smooth side-wind operation and a solid welded mount, this jack feels secure, dependable, and built to last — exactly what you want when dealing with heavy trailers and caravans.