Tired of manual cranking under a heavy trailer? Hydraulic trailer jack kits let you lift with a button press, saving time and effort. This guide reviews five top kits to help you choose the right one for your dump, cargo, or gooseneck trailer.
We compare lift capacities, hydraulic systems, and mounting options, so you can find a reliable solution that simplifies hitching and unhitching.
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Dexter 24,000 lb Hydraulic Trailer Jack Kit – Dual 12,000 lb Power Jacks – ...
Best forHeavy-duty dual jack lifting
- 24,000 lb total lift capacity
- Synchronized dual operation
ConsiderExpensive initial investment
Hydraulic Trailer Jack (12,000 lb) - Power Jack 12K Double Acting, Lift Tra...
Best forBolt-on convenience
- 12,000 lb lifting capacity
- Dual holding valve for stability
ConsiderSingle jack capacity limit
Primary Mover 12K Double Acting Hydraulic Trailer Jack (12,000 lb) - Power ...
Best forStandalone hydraulic jack unit
- 12,000 lb double-acting lift
- Dual holding valve safety
ConsiderNo mounting kit included
Hydraulic Trailer Jack (12,000 lb) - Power Jack 12K Double Acting, Lift Tra...
Best forComplete bolt-on kit with extras
- 12,000 lb capacity
- Includes mounting hardware
ConsiderHigher price than basic models
Hydraulic Trailer Jack (12,000 lb) - Power Jack 12K Double Acting, Lift Tra...
Best forWeld-on permanent mounting
- 12,000 lb lifting capacity
- Weld-on permanent attachment
ConsiderRequires welding skills
Dexter 24,000 lb Dual Jack Kit – Heavy Lifting
Brand: Johnson Trailer Parts
Best for heavy-duty trailers needing synchronized dual jacks for safe lifting.
The Dexter 24,000 lb kit is a powerhouse for large trailers. Its dual 12,000 lb jacks with 2×20 inch cylinders provide smooth, rock-solid lifting. The KTI double-acting pump delivers up to 3,200 PSI, and the flow divider ensures even lifting to reduce frame stress.
Zinc-plated components resist corrosion, and the load-holding valves prevent sudden drops. This kit is ideal for dump and gooseneck trailers where balanced lifting and safety are critical. You’ll appreciate the push-button convenience over manual jacks on heavy loads.
- 24,000 lb total lift capacity
- Synchronized dual operation
- Built-in load-holding valves
- Expensive initial investment
- Complex installation process
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- 24,000 lb Dual Jack Lifting Power – Dual 12,000 lb hydraulic jacks with 2” x 20” cylinders and double-acting operation deliver smooth, stable push-button lifting for dump, cargo, and gooseneck trailers
- KTI Double Acting Hydraulic Pump System – Includes a KTI power unit (2 GPM, up to 3,200 PSI) for reliable hydraulic performance and controlled raise and lower operation
- Synchronized Dual Jack Operation – Flow divider ensures even fluid distribution to both jacks, preventing uneven lifting and reducing frame stress under load
- Jobsite-Ready Construction – Zinc-plated components resist corrosion, while load-holding valves help prevent sudden drops for safer operation in demanding conditions
- Genuine Dexter Hydraulic Jack Kits – Trusted by trailer builders nationwide for consistent quality and long-lasting performance. Professionally curated and supported by Johnson Trailer Parts
Primary Mover 12K Bolt-On – Easy Installation
Brand: Primary Mover
A reliable bolt-on kit for medium trailers needing stable hydraulic support.
Primary Mover’s bolt-on kit simplifies installation while offering 12,000 lb capacity. The double-acting hydraulic system lets you raise and lower at the touch of a button. Dual holding valves keep the trailer stable during hitching, preventing unwanted movement.
Zinc plating on the inner sleeve and foot protects against rust. This is a solid choice for medium-duty trailers where you want reliable performance without welding. You’ll find it easy to mount on flat surfaces and trust the stability when connecting your tow vehicle.
- 12,000 lb lifting capacity
- Dual holding valve for stability
- Zinc-plated inner components
- Single jack capacity limit
- Requires 12V power source
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- 12,000-Pound Lifting Capability: Effortlessly handle heavy loads with confidence, knowing this jack can lift up to 12,000 pounds, accommodating a variety of towing needs.
- Powerful Hydraulic System: Experience quick and efficient trailer lifting at the touch of a button, eliminating the need for manual cranking.
- Dual Holding Valve for Stability: The dual holding valve ensures unparalleled stability during operation, providing a secure foundation for hitching and unhitching.
- Zinc-Plated Inner Sleeve and Foot: The zinc-plated components offer superior protection against corrosion and rust, ensuring longevity even in challenging outdoor conditions.
- Adjustable Height: Easily adapt to different trailer heights with the jack's adjustable design, suitable for various towing setups.
- Easy Installation: User-friendly design and clear instructions make installation a breeze, getting you on the road quickly and confidently.
- Jack Leg Extends 20 Inches #6 SAE Ports
Primary Mover 12K Standalone – Flexible Mounting
Brand: Primary Mover
Great for custom installations where you need a standalone hydraulic jack.
This Primary Mover 12K model is a standalone jack unit with the same reliable hydraulic system. You get 12,000 lb lifting capability and dual holding valves for stability. The double-acting pump provides controlled raising and lowering, making hitching effortless.
Zinc-plated inner sleeve and foot ensure durability in wet conditions. Because it’s a standalone unit, you’ll need to source your own mounting bracket or weld it on. It’s great if you prefer to customize the installation or replace an existing jack.
- 12,000 lb double-acting lift
- Dual holding valve safety
- Zinc-plated corrosion resistance
- No mounting kit included
- Limited to 12,000 lb capacity
View all product features
- 12,000-Pound Lifting Capability: Effortlessly handle heavy loads with confidence, knowing this jack can lift up to 12,000 pounds, accommodating a variety of towing needs.
- Powerful Hydraulic System: Experience quick and efficient trailer lifting at the touch of a button, eliminating the need for manual cranking.
- Dual Holding Valve for Stability: The dual holding valve ensures unparalleled stability during operation, providing a secure foundation for hitching and unhitching.
- Zinc-Plated Inner Sleeve and Foot: The zinc-plated components offer superior protection against corrosion and rust, ensuring longevity even in challenging outdoor conditions.
- Adjustable Height: Easily adapt to different trailer heights with the jack's adjustable design, suitable for various towing setups.
- Easy Installation: User-friendly design and clear instructions make installation a breeze, getting you on the road quickly and confidently.
- Jack Leg Extends 20 Inches #6 SAE Ports
Primary Mover 12K Bolt-On Kit – All Included
Brand: Primary Mover
A complete bolt-on kit for easy installation and reliable lift.
This Primary Mover kit comes as a complete bolt-on package, including the hydraulic jack and all necessary mounting hardware. The 12,000 lb double-acting system lifts heavy loads smoothly. Dual holding valves ensure the jack stays in place once raised.
Zinc-plated components resist corrosion, and the included parts simplify the installation. It’s ideal if you want a turnkey solution—just bolt it on and connect the power. You’ll appreciate the convenience of having everything in one box.
- 12,000 lb capacity
- Includes mounting hardware
- Dual holding valve built in
- Higher price than basic models
- Only one jack per kit
View all product features
- 12,000-Pound Lifting Capability: Effortlessly handle heavy loads with confidence, knowing this jack can lift up to 12,000 pounds, accommodating a variety of towing needs.
- Powerful Hydraulic System: Experience quick and efficient trailer lifting at the touch of a button, eliminating the need for manual cranking.
- Dual Holding Valve for Stability: The dual holding valve ensures unparalleled stability during operation, providing a secure foundation for hitching and unhitching.
- Zinc-Plated Inner Sleeve and Foot: The zinc-plated components offer superior protection against corrosion and rust, ensuring longevity even in challenging outdoor conditions.
- Adjustable Height: Easily adapt to different trailer heights with the jack's adjustable design, suitable for various towing setups.
- Easy Installation: User-friendly design and clear instructions make installation a breeze, getting you on the road quickly and confidently.
Primary Mover 12K Weld-On – Fixed Installation
Brand: Primary Mover
Perfect for permanent mounting where welding is preferred for security.
This Primary Mover weld-on kit provides a permanent mounting solution for your trailer. The 12,000 lb double-acting hydraulic jack lifts at the push of a button, and dual holding valves keep it stable. Welding the jack directly to the frame ensures a secure, long-lasting attachment.
Zinc-plated inner sleeve and foot resist rust. It’s a great choice if you’re comfortable welding and want a low-profile installation. You’ll benefit from a clean look and the confidence that the jack won’t loosen over time.
- 12,000 lb lifting capacity
- Weld-on permanent attachment
- Double-acting hydraulic system
- Requires welding skills
- No bolt-on option available
View all product features
- 12,000-Pound Lifting Capability: Effortlessly handle heavy loads with confidence, knowing this jack can lift up to 12,000 pounds, accommodating a variety of towing needs.
- Powerful Hydraulic System: Experience quick and efficient trailer lifting at the touch of a button, eliminating the need for manual cranking.
- Dual Holding Valve for Stability: The dual holding valve ensures unparalleled stability during operation, providing a secure foundation for hitching and unhitching.
- Zinc-Plated Inner Sleeve and Foot: The zinc-plated components offer superior protection against corrosion and rust, ensuring longevity even in challenging outdoor conditions.
- Adjustable Height: Easily adapt to different trailer heights with the jack's adjustable design, suitable for various towing setups.
- Easy Installation: User-friendly design and clear instructions make installation a breeze, getting you on the road quickly and confidently.
Buyer’s Guide: What to Consider
Consider lift capacity, mounting style, hydraulic system type, and material durability when choosing a hydraulic trailer jack kit. These factors determine performance and longevity.
- Lifting Capacity: Ensure the kit’s capacity matches or exceeds your trailer’s gross vehicle weight rating (GVWR) for safe lifting.
- Mounting Style: Choose between bolt-on or weld-on mounting. Bolt-on is easier to install, while weld-on offers a permanent, secure fit.
- Hydraulic System Type: Double-acting cylinders provide controlled raising and lowering, essential for stability under load.
- Material & Build Quality: Look for zinc-plated components and corrosion-resistant finishes to withstand outdoor exposure and extend service life.
- Pump Specifications: A power unit with sufficient flow (GPM) and pressure (PSI) ensures efficient operation and reliable performance.
Conclusion
Whether you need heavy-duty dual jacks or a dependable single unit, these hydraulic trailer jack kits deliver push-button convenience and reliable lifting. The Dexter kit stands out for larger trailers, while Primary Mover offers versatile options for most applications.
For most users, a 12,000 lb Primary Mover kit with bolt-on mounting provides an excellent balance of power and ease of installation. Always prioritize capacity and build quality to match your towing needs.