Trailer Jack Stabilizer
What Are Trailer Jack Stabilizers?
Trailer jack stabilizers are frame-mounted support devices designed to minimize the movement and sway that occur inside a travel trailer, fifth wheel, or RV once it is parked and set up at a campsite. Stabilizers, or RV stabilizer jacks, are designed to keep your trailer steady when you walk around inside after leveling it. While they may look similar to leveling jacks, they serve a distinctly different purpose: RV stabilizers should never be used for leveling a camper — they are made to merely support portions of your RV and absorb the shifting weight caused by movement inside.
Why Trailer Jack Stabilizers Matter
Anyone who has spent a night in an unstabilized trailer knows the constant bounce and sway that comes with every step across the floor or shift on the couch. RV stabilizer jacks extend from the frame of an RV to the ground to reduce the movement felt in the RV. Beyond comfort, proper stabilization also protects your trailer's slides, doors, and interior components from the long-term stress of repeated movement. You'll typically find stabilizer jacks near all four corners of an RV, and some longer RVs have additional stabilizer jacks located in the middle to further enhance stability and provide a more comfortable experience.
Types of Trailer Jack Stabilizers
Understanding the different styles helps you choose the right system for your rig:
- Scissor Jacks: A popular and cost-effective choice that mounts near the trailer's corners. Scissor jacks are used to help stabilize your RV and eliminate rocking and swaying caused by improper or poor leveling.
- C-Type / Cross-Frame Jacks: BAL "C" Type Stabilizers are designed to mount to the trailer frame where the crossmember meets the main frame member, offering a high-strength, low-profile solution that combines stabilizing and fine leveling in one unit.
- Drop-Down / Telescopic Jacks: Drop-down jacks mount to the frame of your RV and retract up into themselves when not in use. Telescopic designs require no existing trailer frame crossmember for installation, and the unit will telescope to fit any underbody frame width.
- Electric / Powered Stabilizers: Powered stabilizing systems using 12V motors offer independent operation of each leg, allowing you to stabilize each corner of your trailer separately.
Key Considerations When Shopping
When selecting a trailer jack stabilizer, consider your trailer type (travel trailer, fifth wheel, pop-up), the ground clearance between your frame and the ground, and whether you prefer manual or electric operation. You want to make sure your stabilizer jacks are snug but not too snug — it's best to get to the point where there's tension on them, but not so much that you're lifting your RV. Always pair stabilizers with jack pads on soft or uneven surfaces to prevent sinking.
Top Brands in Trailer Jack Stabilizers
BAL – A Division of Norco Industries is the dominant name in this category and the clear choice for most RV owners. For over 60 years, BAL RV Products has manufactured high-quality products for the Recreation Vehicle Industry, and their stabilizing jack lineup — including the patented C-Jack series — reflects that depth of expertise. Their products range from lightweight scissor-style units for pop-ups to heavy-duty powered systems for large fifth wheels.
Husky Towing is a well-established name in the towing and trailer accessory market, offering solidly built stabilizing solutions that appeal to tow-vehicle owners looking for reliable, no-fuss performance.
Ultra-Fab brings a broad catalog of RV accessories to this category, including stabilizer jacks known for their durable construction and compatibility with a wide range of trailer configurations — a practical pick for upgrading older or entry-level rigs.
RV Pro rounds out the category with maintenance and accessory products designed to support the care and operation of stabilizing systems, helping RV owners keep their equipment in top working condition season after season.