If you’ve ever felt your RV’s slide out wobble in the wind or settle unevenly on a campsite, you know the value of a solid support system. A good set of jacks for RV slide outs can make your extended living space feel as stable as the rest of your rig.
This guide reviews five top-rated slide out jacks, from budget-friendly two-packs to heavy-duty four-jack sets. You’ll learn which features matter most for your travel trailer, fifth wheel, or Class A motorhome, helping you choose the right stabilizers for your next adventure.
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Garvee RV Slide Out Support Jacks (Set of 4) - 20,000lb Heavy Duty Rv Stabi...
Best forComplete four-jack stability
- 20,000 lb total capacity
- Quick-lift drill compatible
ConsiderTop plate could be wider

Kohree RV Slide Out Supports Jack, with Flat Top Support Block, Set of 2
Best forFlat top convenience
- Built-in flat support block
- Drill and hand crank ready
ConsiderOnly two jacks included

Kohree RV Slide Out Support Jacks, 4PCS
Best forLarge RV weather resistance
- 20,000 lb total capacity
- Extreme weather resistant
ConsiderNo flat top on standard model

Kohree RV Slide Out Supports, Set of 2
Best forSimple two-jack value
- 10,000 lb total capacity
- Drill and crank compatible
ConsiderNo flat top block

Kohree RV Slide Out Support Jacks with Flat Top, 4PCS
Best forHeavy-duty flat top system
- 20,000 lb total capacity
- Flat top on all four jacks
ConsiderHeavier than two-jack sets
Garvee RV Slide Out Support Jacks (Set of 4) – Quick-Lift Power
Brand: Garvee
A robust four-jack set for campers needing total slide-out stability.
The Garvee set of four jacks offers a generous 21.1 to 49-inch height range, making them a versatile choice for many travel trailers and campers. Each jack supports up to 5,000 pounds, giving the set a combined capacity of 20,000 pounds to reduce sway and stabilize your slide out. The rugged steel construction and large 5.1 x 1.2-inch top support plate provide a solid foundation on various ground surfaces.
You can adjust these jacks quickly using a power drill or hand crank, saving time during setup and breakdown. The quick-lift mechanism makes raising or lowering the supports hassle-free, so you spend less time leveling and more time enjoying your campsite. If you need a complete four-jack system with a wide height range and heavy-duty build, this Garvee set is a strong contender.
- 20,000 lb total capacity
- Quick-lift drill compatible
- Wide 21-49 inch range
- Top plate could be wider
- No flat top block included
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- Quick & Easy Adjustment: Use a power drill or hand crank to quickly raise or lower these RV slide out support jacks, making your camper slide out support hassle-free. The package includes 4 jacks, one crank handle, and one magnetic hex socket for the drill
- Wide Adjustable Height: Adjustable from 21.1 in to 49 IN, these travel trailer stabilizer jacks fit most travel trailers, campers, and RV slide outs. The versatile height range ensures stable support on uneven surfaces, providing reliable trailer stabilizer jacks wherever you camp
- Heavy-Duty 5000 LBS Capacity: Each travel camper stabilizer jacks supports up to 5,000 LBS thanks to rugged steel construction. The set of two jacks reduces RV slide out sway, offering heavy duty camper slide out support jacks for a steady and comfortable setup
- Durable Steel & Large Support Plate: Made from premium steel with a 5.1 IN x 1.2 IN top support plate, these slide out support jacks minimize shaking and provide long-lasting durability. Necessary RV stabilizer jacks for secure, stable camping
- Stabilizes, Doesn't Lift: Designed to prevent slide out shaking rather than lift the RV or trailer. Proper use ensures your motorhome's slide outs stay steady and protected, improving safety and comfort while parked
Kohree RV Slide Out Supports with Flat Top – Drill Ready
Brand: Kohree
A user-friendly two-pack with a flat top that saves you from carrying extra blocks.
The Kohree two-jack set features an upgraded flat top support block made from high-quality, strong material. This design eliminates the need for an extra wood block, providing a flat and sturdy surface directly under your slide out. Each jack supports up to 5,000 pounds and adjusts from 20 to 49 inches, fitting most travel trailers and campers.
Raising and lowering these supports is fast with a power drill, thanks to the included socket. A hand crank handle is also provided for manual adjustment. The heavy-duty steel construction ensures long-lasting durability, and the flat top reduces the risk of slipping or uneven contact. For a simple, drill-ready two-pack with a built-in flat top, this Kohree set is a convenient choice.
- Built-in flat support block
- Drill and hand crank ready
- Durable steel construction
- Only two jacks included
- No height markings on tube
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- Upgraded Flat Top Design: The top block is constructed of high-quality and strong material. Kohree RV slide out support jacks provides a flat and sturdy support without an extra wood block or other blocks. (U.S. Design,Utility Patent Pending)
- Easy & Fast: The RV slide out supports with a socket can rise up and down by a power drill, saves time than a traditional hand crank handle. (One crank handle, and one socket for the drill. ) Equipped with an ergonomically designed handle for easy operation.
- 20"-49" Adjustable Height: The RV slide out supports can adjust from 20"-49" on height quickly and easily by power drill or hand crank handle.
- Heavy Duty Construction: Made of high-quality steel material, it is durable for a long time. It Provides stable support for the RV extra room and reduces the shaking of the RV.
- Supports up to 5000 lbs: 5,000 lbs per support jack. The package includes 2 jacks, so together can provide 10,000 lbs of combined support capacity. NOTE: Kohree camper slide out stabilizer jacks are designed to prevent the motorhome/trailer/camper extending room from shaking, not designed to support the weight of a motorhome/trailer/camper.
Kohree RV Slide Out Support Jacks (4PCS) – Extreme Weather Ready
Brand: Kohree
A durable four-jack system built to stabilize large RVs in challenging weather.
This Kohree four-jack set is engineered for large fifth wheels and Class A RVs, offering a total capacity of 20,000 pounds. Each jack supports up to 5,000 pounds, and the four-point system provides uniform support to reduce shaking from strong winds or uneven terrain. The height adjusts from 20 to 49 inches, accommodating a wide range of slide-out heights.
Built to withstand extreme weather, these jacks are made from high-quality steel that resists corrosion and maintains stability in harsh conditions. The quick-adjust mechanism works with a power drill or hand crank, making setup efficient. If you own a large RV and need a four-jack system that can handle tough weather, this Kohree set delivers reliable performance.
- 20,000 lb total capacity
- Extreme weather resistant
- Quick drill adjustment
- No flat top on standard model
- Heavier than two-jack sets
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- Supports Up to 20,000 lbs: Kohree 4PCS RV slide out supports is engineered for large 5th wheel and Class A RVs. Unlike 2 jack sets, 4PCS rv slide out support provides 20,000 lbs total capacity, it can reduce shake by up to 70% for heavy slide-outs, better for full-time RVers or larger fifth wheels.
- Built for Extreme Weather: 4PCS RV slide out supports are made of high-quality steel material, it provides stable support and ensures your slide-out reduces the shaking from strong winds, heavy rain, or snow accumulation.
- Quick & Easy Adjustment: With a socket, quickly rise up and down by a power drill, saves time than a traditional hand crank handle, making your camper slide out support hassle-free.
- 20"-49" Height: Adjustable from 20"-49" on height, ensures stable support on uneven surfaces, providing reliable rv trailer stabilizer jacks in your camper life.
- Absolute Stability for Premium Experience: The 4PCS slide out stabilizers for rv is ideal if you want maximum stability for multiple slide-outs. For longer slide-outs (over 12 feet) or multiple rooms, consider 4 jacks for optimal stability and longevity of your RV structure.
- [Note] The slideout stabilizer jacks are designed to prevent the motorhome/trailer/camper extending room from shaking, not designed to support the weight of a motorhome/trailer/camper.
Kohree Set of 2 RV Slide Out Supports – Simple and Strong
Brand: Kohree
A straightforward, durable two-pack that provides reliable slide-out support.
The Kohree two-jack set offers a straightforward solution for stabilizing your RV slide out. Each jack supports up to 5,000 pounds, and the pair provides 10,000 pounds of total support to reduce shaking and keep your extra room steady. The height adjusts from 20 to 49 inches, fitting most travel trailers and campers.
Adjustment is easy with a power drill using the included socket, or you can use the hand crank handle for manual operation. The heavy-duty steel construction ensures long-term durability. This set is ideal if you want a simple, no-fuss pair of jacks that get the job done without extra features. For a reliable two-pack at a good value, this Kohree set is a solid pick.
- 10,000 lb total capacity
- Drill and crank compatible
- Easy height adjustment
- No flat top block
- Basic design without extras
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- [Easy & Fast] With a socket, rise up and down by a power drill, saves time than a traditional hand crank handle. The most important thing is letting you enjoy the joy of RV travel, not bothering you.
- [20"-49" Height] Adjust from 20"-49" on height quickly and easily by power drill or hand crank handle.
- [Supports up to 5000 lbs] 5,000 lbs per support jack. The package includes 2 jacks, one crank handle, and one socket for the drill.
- [Heavy duty construction] Made of high-quality steel material, it is durable for a long time. It Provides stable support for the RV extra room and reduces the shaking of the RV.
- [Note] The slideout stabilizer jacks are designed to prevent the motorhome/trailer/camper extending room from shaking, not designed to support the weight of a motorhome/trailer/camper.
Kohree RV Slide Out Support Jacks with Flat Top (4PCS) – Ultimate Stability
Brand: Kohree
The best four-jack system with flat tops for maximum stability and convenience.
This Kohree four-jack set combines the upgraded flat top design with a 20,000-pound total capacity, making it ideal for large fifth wheels and Class A RVs. The flat top block provides a stable, flat surface without needing extra wood blocks, ensuring even contact with your slide out. Each jack supports 5,000 pounds and adjusts from 20 to 49 inches.
The quick-adjust mechanism works with a power drill or hand crank, speeding up setup and breakdown. The high-quality steel construction offers durability and resistance to the elements. If you want the ultimate in stability and convenience with four jacks and flat tops, this Kohree set is the top choice for heavy-duty slide-out support.
- 20,000 lb total capacity
- Flat top on all four jacks
- Drill and crank compatible
- Heavier than two-jack sets
- Higher price point
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- Upgraded Flat Top Design: The top block is constructed of high-quality and strong material. It provides a flat and sturdy support without an extra wood block or other blocks. 4PCS slide out support jacks for rv providing stability basic 2-pack setups cannot match, reducing shake by up to 70% for heavy slide-outs, ideal for full-time RVers or larger fifth wheels. (U.S. Design,Utility Patent Pending)
- Supports Up to 20,000 lbs: Kohree 4PCS RV slide out supports, engineered for large 5th wheel and Class A RVs. Unlike 2 jack sets, 4PCS rv slide out support provides uniform support, eliminating bounce and protecting your RV's structure.
- Quick & Easy Adjustment: With a socket, quickly rise up and down by a power drill, saves time than a traditional hand crank handle, making your camper / trailer slide out support hassle-free.
- 20"-49" Height: Adjustable from 20"-49" on height, ensures stable support on uneven surfaces, providing reliable rv trailer stabilizer jacks wherever you camp.
- Absolute Stability for Premium Experience: Kohree RV slide out supports are made of high-quality steel material, it provides stable support and ensures your slide-out reduces the shaking from strong winds, heavy rain, or snow accumulation. The 4PCS is ideal if you want maximum stability for multiple slide-outs.
- NOTE: Kohree slide-out stabilizer jacks are designed to prevent the motorhome/trailer/camper extending room from shaking, not designed to support the weight of a motorhome/trailer/camper.
Buyer’s Guide: What to Consider
Choosing the right slide out jacks depends on your RV size, weight needs, and setup preferences. Here are five key factors to consider.
- Number of Jacks: Two jacks work for smaller trailers; four jacks provide better stability for large fifth wheels and Class A RVs.
- Weight Capacity: Each jack typically supports 5,000 lbs. A set of four offers 20,000 lbs total, suitable for heavy slide outs.
- Height Range: Look for an adjustable range of at least 20 to 49 inches to fit different slide-out heights and uneven ground.
- Adjustment Method: Power drill compatibility speeds up setup. Hand crank is a reliable backup if your drill battery dies.
- Top Plate Design: A flat top block eliminates the need for wood blocks and provides a more stable, slip-resistant contact surface.
Conclusion
Stabilizing your RV slide out is essential for comfort and safety, whether you’re parked for a weekend or a full season. The Garvee four-jack set offers great value for campers needing a complete system, while Kohree’s flat top models simplify setup and improve stability.
For most large RVs, the Kohree 4PCS with flat tops provides the best balance of capacity, convenience, and durability. Choose the set that matches your rig’s size and your preferred adjustment method, and enjoy a wobble-free camping experience.
