MAXXHAUL Trailer Swing-Down Stabilizer Jacks Set of 2 12–18in Telescoping, 1000 lb Each

The MAXXHAUL 50970 Trailer Swing Down Stabilizer Jacks are a pair of telescoping support jacks that keep trailers and campers steady with adjustable 12–18" heights and up to 1000 lb static capacity each.

These swing-down stabilizer jacks are built for utility: powder-like electrophoretic black finish for corrosion resistance, pre-drilled mounting holes for straightforward installation, and a compact telescoping design that stores neatly under your trailer when not in use. Sold as a set of two with a removable crank handle, they offer immediate stabilization for RVs, travel trailers, and utility trailers without the complexity of hydraulic systems. The jacks are engineered to lift and steady loads during setup or light leveling, making them a practical upgrade for weekend campers and full-time travelers alike.

How do these jacks attach to my trailer?

Each jack arrives with pre-drilled mounting holes for direct bolting to a trailer frame. Mounting hardware is not included, which lets you choose bolts appropriate to your frame material and thickness for the best fit.

• Use four 3/8" bolts per jack through the pre-drilled holes.
• Consider a 1/4" spacer between jack plate and frame for improved alignment.
• Mount on solid frame rails; confirm bolt length clears the opposite side.

What height and load capacities should I expect?

The telescoping leg adjusts from a compact 12" to a fully extended 18", giving you a 6" range to accommodate uneven ground or trailer settling. Each jack supports up to 1000 lb static load and offers roughly a 650 lb lift capacity for initial leveling or repositioning.

• Collapsed height: 12" for travel and storage.
• Extended height: 18" for stabilization and minor leveling.
• Static capacity: 1000 lb per jack; lift capacity roughly 650 lb each.

Will these resist rust and wear outdoors?

Yes—the jacks are finished with an environmentally friendly electrophoretic coating that increases corrosion resistance compared with bare steel. Routine cleaning and occasional lubrication of the pivot and telescoping surfaces will extend service life, especially in coastal or salted-road environments.

• Black electrophoretic paint prevents rust and reduces surface wear.
• Pivot points and inner tubes benefit from light grease during seasonal service.
• Store jacks swung up when driving to reduce exposure to road spray.

What comes in the box and what do I need to supply?

The package contains two stabilizer jacks and one crank handle for operation—everything required to use the jacks after bolting them in place. Mounting bolts, washers, and frame-specific hardware are not included, which lets you pick corrosion-resistant fasteners suited to your trailer.

• Included: two MAXXHAUL 50970 jacks and one operating handle.
• Not included: four 3/8" bolts per jack, washers, nuts, and optional spacers.
• Recommended: stainless-steel or zinc-plated bolts for long-term corrosion resistance.

Who is this for? The MAXXHAUL 50970 stabilizer jack set is intended for trailer owners who want a simple, durable mechanical solution to minimize sway and settle their trailer after parking. It suits RV owners, weekend campers, and utility trailer users who need dependable, low-maintenance support without adding complicated or expensive systems. If you need heavy-duty lift for structural repairs or vehicle jacking, use purpose-built jacks; for routine stabilization and light leveling, these MAXXHAUL telescoping jacks are practical, compact, and cost-effective.