If you own a heavy trailer, you know the struggle of manual cranking. A 12k hydraulic trailer jack changes that, letting you lift and lower your load with the push of a button. It saves your back and your time.
This guide compares five top picks from Primary Mover, all rated for 12,000 pounds. You’ll find the right fit based on mounting style, features, and ease of use. Let’s dive into the details.
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Hydraulic Trailer Jack (12,000 lb) - Power Jack 12K Double Acting, Lift Tra...
Best forBolt-on convenience kit
- 12,000-pound lifting capacity
- Dual holding valve for stability
ConsiderRequires hydraulic power unit
Hydraulic Trailer Jack (12,000 lb) - Power Jack 12K Double Acting, Lift Tra...
Best forAdvanced bolt-on stability
- 12,000-pound lifting capacity
- Dual holding valve for safety
ConsiderBolt-on may shift under load
Hydraulic Trailer Jack (12,000 lb) - Power Jack 12K Double Acting, Lift Tra...
Best forPermanent weld-on kit
- 12,000-pound lifting capacity
- Dual holding valve for stability
ConsiderWelding required for installation
Hydraulic Trailer Jack (24,000 lb) Power Jack 12K x 2 Double Acting, Lift T...
Best forDual jack heavy loads
- 24,000-pound combined capacity
- Dual holding valve for stability
ConsiderOverkill for single trailer use
Hydraulic Trailer Jack (12,000 lb) - Power Jack 12K Double Acting, Lift Tra...
Best forSimple weld-on jack
- 12,000-pound lifting capacity
- Dual holding valve for safety
ConsiderNo bracket or power unit included
Primary Mover 12K Bolt-On Kit – Complete Power Unit
The Primary Mover PFJ-1-MB-K is a complete bolt-on kit that includes the hydraulic power unit, making it a ready-to-install solution for your trailer. Its 12,000-pound capacity handles heavy loads like boats or equipment with ease. The double-acting hydraulic system lets you lift and lower at the touch of a button, so you never have to crank manually.
Stability is a standout feature here, thanks to the dual holding valve that keeps the jack securely in place during hitching. The zinc-plated inner sleeve and foot resist rust, even in harsh weather. If you want a straightforward, all-in-one bolt-on setup, this kit delivers reliable performance without extra shopping for parts.
- 12,000-pound lifting capacity
- Dual holding valve for stability
- Zinc-plated corrosion protection
- Requires hydraulic power unit
- Bolt-on may loosen over time
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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 Bolt-On Jack – Stability Focus
The PFJ-1-MB-ADS-K is another bolt-on option from Primary Mover, but it focuses on enhanced stability with its advanced dual holding valve system. This jack lifts 12,000 pounds effortlessly, and the hydraulic system responds quickly to your commands. It’s designed for trailers where you need consistent, secure support during hitching and unhitching.
Like the other models, it features a zinc-plated inner sleeve and foot to fight corrosion. However, note that the hydraulic power unit is not included, so you’ll need to purchase it separately if you don’t already have one. This jack is ideal if you prioritize stability and already own a compatible power unit.
- 12,000-pound lifting capacity
- Dual holding valve for safety
- Zinc-plated for long life
- Bolt-on may shift under load
- Power unit sold separately
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 Kit – Permanent Fix
The PFJ-1-ADS-K is a weld-on kit that provides a permanent, robust attachment to your trailer frame. With a 12,000-pound capacity, it’s built for heavy-duty use, and the double-acting hydraulic system ensures quick lifting without manual effort. The dual holding valve keeps the jack stable, so you can hitch and unhitch with confidence.
This kit includes the jack stand and bracket, but you’ll need to weld it on and supply your own hydraulic power unit. The zinc-plated components protect against rust, making it suitable for outdoor storage. If you prefer a fixed installation that won’t budge, this weld-on option is a durable choice for your trailer.
- 12,000-pound lifting capacity
- Dual holding valve for stability
- Zinc-plated corrosion resistance
- Welding required for installation
- Power unit not included
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 24K Weld-On System – Dual Jacks
The Primary Mover 24K weld-on system uses two 12,000-pound jacks working together, giving you a combined 24,000-pound lifting capacity. This is ideal for massive trailers like car haulers or large RVs. Each jack features a double-acting hydraulic system for quick, button-operated lifting, and the dual holding valves ensure rock-solid stability during use.
This setup is weld-on, so it’s a permanent installation that requires a hydraulic power unit. The zinc-plated sleeves and feet resist corrosion, even in tough conditions. If you’re moving extremely heavy loads, this dual-jack system provides the extra capacity and stability you need, though it’s more than necessary for standard trailers.
- 24,000-pound combined capacity
- Dual holding valve for stability
- Zinc-plated corrosion protection
- Overkill for single trailer use
- Requires welding and power unit
View all product features
- 24,000-Pound Lifting Capability: The Primary Mover Hydraulic Trailer Jack is engineered to handle the heaviest loads with ease. Its remarkable 12,000-pound lifting capability ensures that you can confidently lift and lower your trailer, accommodating a wide range of towing needs.
- Powerful Hydraulic System: Say goodbye to manual cranking. The robust hydraulic system of the Primary Mover Hydraulic Trailer Jack allows for quick and effortless lifting at the touch of a button. Towing has never been this efficient.
- Dual Holding Valve for Stability: Experience unparalleled stability during operation, thanks to the dual holding valve. This innovative feature ensures rock-solid support, providing you with confidence and peace of mind while hitching or unhitching your trailer.
- Zinc-Plated Inner Sleeve and Foot: The inner sleeve and foot of the jack are zinc-plated, offering superior protection against corrosion and rust. This, combined with the weather-resistant finish, guarantees longevity even in challenging outdoor conditions.
- Adjustable Height: Adapt to different trailer heights effortlessly with the adjustable design of this hydraulic jack. Whether you're dealing with a low-profile trailer or a taller rig, the Primary Mover Hydraulic Trailer Jack can be adjusted to meet your specific requirements.
- Easy Installation: Installing the Primary Mover Hydraulic Trailer Jack is a breeze. With a user-friendly design and clear instructions, you'll have your trailer jack up and running in no time, ready to take on any towing task.
- Jack Leg Extends 20 Inches #6 SAE Ports
Primary Mover 12K Weld-On Jack – Basic Unit
The PFJ-12K is a straightforward weld-on hydraulic jack from Primary Mover, designed for those who want a no-frills solution. It lifts 12,000 pounds with ease, and the double-acting hydraulic system allows for effortless operation at the push of a button. The dual holding valve provides stability, keeping your trailer secure during hitching.
This model comes as just the jack, so you’ll need to weld it onto your trailer and supply your own bracket and power unit. The zinc-plated inner sleeve and foot offer good corrosion resistance. If you already have a bracket and power unit, this is a cost-effective way to add hydraulic lifting to your trailer.
- 12,000-pound lifting capacity
- Dual holding valve for safety
- Zinc-plated for durability
- No bracket or power unit included
- Welding required for installation
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.
- 12,000 lb. Trailer Jack Jack Leg Extends 20 Inches #6 SAE Ports
Buyer’s Guide: What to Consider
When choosing a 12k hydraulic trailer jack, focus on mounting type, lifting speed, and corrosion resistance. These factors ensure safe, long-lasting performance for your heavy trailer.
- Mounting Type: Choose between bolt-on and weld-on based on your trailer's existing setup. Bolt-on offers easier installation, while weld-on provides a permanent, robust attachment.
- Hydraulic System: A double-acting hydraulic system lifts and lowers quickly at the push of a button, saving you time and effort compared to manual jacks.
- Stability Features: A dual holding valve prevents accidental drops, keeping your trailer stable during hitching and unhitching for added safety.
- Corrosion Protection: Zinc-plated sleeves and feet resist rust and corrosion, extending the jack's life in wet or salty environments.
- Weight Capacity: Ensure the jack's capacity matches or exceeds your trailer's gross weight. A 12,000-pound jack handles most heavy-duty trailers, but verify your specific needs.
Conclusion
Choosing the right 12k hydraulic trailer jack comes down to your mounting preference and specific trailer needs. The Primary Mover lineup offers reliable options, from bolt-on kits to weld-on stands, all with powerful hydraulics and dual holding valves for stability.
For most users, the bolt-on kit (B0CW273FFL) provides an excellent balance of ease and performance. If you need a permanent solution, the weld-on kit (B09TGCW5GJ) is a solid choice. Always match the jack to your trailer’s weight and mounting setup for safe, effortless lifting.