Answering the buyer’s search for a reliable hydraulic trailer jacks kit, this guide highlights top kits that simplify lifting, lowering, and stabilizing trailers. These picks cater to different trailer types—from dump to gooseneck—and vary in lifting capacity, control, and installation style. Best for heavy-use fleets are dual-jack systems; best for DIYers are self-contained units; best for frequent hitching/unhitching are valves and holding systems designed for stability.
Overview table: Selected products at a glance
| Product | Lifting Capacity | Best For | |
|---|---|---|---|
| Dexter 24,000 lb Hydraulic Trailer Jack Kit | 24,000 lb total (two 12,000 lb jacks) | Dual acting pump, synchronized dual jacks, 2″ x 20″ cylinders | Dump and gooseneck trailers with balanced lifting |
| PFJ-1-MB-K 12K Double Acting Jack Kit | 12,000 lb | Bolt-on kit with hydraulic power unit, dual holding valve | Hitching/unhitching stability for mid-range loads |
| PFJ-1-MB-ADS-K 12K Double Acting Jack Kit | 12,000 lb | Double acting, bolt-on kit, similar stability features | Similar use to PFJ-1-MB-K with added reliability |
| Primary Mover 24K Jack Kit (PFJ-2-ADS-K) | 24,000 lb total (two 12,000 lb jacks) | Double acting system, hydraulic power unit, welded-on option | Heavy-duty trailers and frequent lifting |
| RAM PREMIUM 15K Self-Contained Hydraulic Jack | 15,000 lb supported, 12,000 lb lift | Self-contained pump, corded remote, mounting plate | DIYers needing a compact, all-in-one unit |
Dexter 24,000 lb Hydraulic Trailer Jack Kit

Best for high-capacity applications, this dual-jack system uses two 12,000 lb hydraulic jacks with 2″ x 20″ cylinders. The KTI double-acting pump delivers controlled raise and lower with push-button ease. Synchronized flow ensures even loading, reducing frame stress during lifting. Best for dump and gooseneck trailers that demand balanced, robust support. A potential limitation is the need for proper alignment and mounting geometry to maximize synchronization.
Who it’s for: fleets and heavy-haul setups needing simultaneous lifting of dual jacks for stability and even load distribution. Why selected: high total capacity and synchronized operation address common trailer lifting problems while minimizing frame strain.
PFJ-1-MB-K 12K Double Acting Jack Kit

Best for mid-range towing needs, this 12,000-pound jack kit combines a powerful hydraulic system with a dual holding valve for stability during hitching. The bolt-on design eases installation, and the hydraulic power unit provides quick lifting without manual cranking. Caution: verify vehicle frame compatibility and bolt-on mounting space before purchase to ensure secure installation.
Who it’s for: vehicle owners and small fleets needing reliable, fast lifting with strong stability. Why selected: strong hydraulic performance and holding valve improve safety and ease of use when detaching and attaching trailers.
PFJ-1-MB-ADS-K 12K Double Acting Jack Kit

Best for users who want similar performance with additional assurance, this 12,000-pound jack kit offers double-acting superiority and a robust hydraulic setup. The product emphasizes stability via a dual holding valve, making it suitable for frequent hitching/unhitching under load. Limitation to consider: ensure mounting hardware compatibility with your trailer frame.
Who it’s for: owners needing dependable locking and quick operation during daily hitch cycles. Why selected: similar capacity with potential mounting flexibility makes it a good alternative to traditional bolt-on kits.
Primary Mover 24,000 lb Jack Kit (PFJ-2-ADS-K)

Best for heavy-duty use, this kit delivers a total 24,000-pound lifting capability using two 12,000-pound jacks and a robust hydraulic power unit. The system emphasizes rapid, button-activated lifting with dual holding valve stability during hitching. A limitation is the potential need for professional installation on welded-on or compatible frames, depending on the selected configuration.
Who it’s for: heavy trailers and frequent lifting tasks in demanding environments. Why selected: dual-jack design with a powerful hydraulic unit is well-suited for consistent, heavy-duty operation.
RAM PREMIUM 15K Self-Contained Hydraulic Jack

Best for compact setups or DIY enthusiasts, this self-contained hydraulic jack couples a 15,000-pound support capacity with 12,000-pound lift, a 59″ extended height, and a 24.2″ travel range. The built-in 500W 12V DC motor and remote operation provide convenient control without external pump units. Limitation: larger mounted footprint and integrated system may require precise space planning on smaller trailers.
Who it’s for: homeowners and small shops seeking an all-in-one solution without extra pump components. Why selected: self-contained design simplifies installation and operation for infrequent users or tight spaces.
Buying Guide: Key Considerations For Choosing The Right Hydraulic Trailer Jack Kit
- Trailers and load types: Match capacity to your typical trailer weight and number of lifting points. Dual-jack systems offer better stability for weighty or uneven loads.
- Actuation and control: Decide between external hydraulic power units or self-contained pumps. Consider ease of use, speed, and compatibility with your vehicle’s power source.
- Stability features: Look for dual holding valves and synchronized flow to prevent frame stress and unwanted swaying during hitching and unhooking.
- Installation style: Bolt-on kits are easier for DIY installations; welded-on or customized mounts suit heavy-use fleets with a need for permanent setup.
- Space and mounting: Check the jack’s dimensions, extended height, and retracted height to ensure proper clearance and fit on your trailer’s frame.
- Maintenance: Consider hydraulic fluid type and the availability of replacement parts, such as seals and pumps, to minimize downtime.
FAQ
- Q: Do I need a separate hydraulic pump unit with a dual-jack kit? A: Not if you choose a self-contained unit; otherwise, you’ll pair jacks with a compatible pump system.
- Q: What is the benefit of a dual holding valve? A: It improves stability by preventing unintended movement during hitching and lowering.
- Q: Can I retrofit a bolt-on kit to an existing trailer? A: Yes, but verify frame compatibility and mounting dimensions before purchasing.
- Q: Is a larger lift capacity always better? A: Not necessarily; choose capacity based on the trailer’s weight and the load distribution across jacks.
- Q: How important is synchronized dual-jack operation? A: It reduces frame stress and ensures even lifting when using two jacks.
- Q: Are these kits suitable for gooseneck trailers? A: Yes, many are designed for gooseneck and dump trailers when properly matched to capacity and mounting.