Best RV Slide Out Supports for Different RV Setups

#1 · Best Overall

1. Kohree Flat-Top Supports

• Load Capacity: 5000 lb
• Material: Stainless Steel
• Compatible with Vehicle Type: Camper, Motorhome, RV, Trailer

Best for: Flat-top drill users.

Why it ranks #1: Flat-top blocks avoid the need for an extra wood block, while the 5,000-pound listed capacity and included drill socket and hand crank suit common RV use.

A flat top support block gives the Kohree pair a direct contact surface, so setup does not require an extra wood block or other block beneath each jack. The set is rated for 5,000 pounds and includes both a hand crank handle and a drill socket for raising or lowering supports.

The flat top is the key convenience: Kohree says it provides sturdy support without an extra block, reducing separate pieces to carry and position. A drill socket offers a faster adjustment option than relying only on the included hand crank, while the crank remains available for manual operation. Stainless-steel construction and a listed 5,000-pound load capacity suit RV, camper, motorhome, and trailer owners seeking a two-jack set. The supplied information does not specify an adjustment-height range.

Skip it if you need a stated height range before choosing supports; Garvee's PAU_0L8Y0PZG-mjVdu lists adjustment from 21.1 to 34.25 inches.

Choose this pair if you want a flat support surface and both drill and hand-crank operation for an RV, camper, motorhome, or trailer. Its stated 5,000-pound capacity and unspecified height range are important fit boundaries.

Listed on Amazon as: Kohree RV Slide Out Supports Jack, with Flat Top Support Block, Set of 2

#2 · Higher-Capacity Pair

2. RVshark Silver 6000-lb Jacks

• Load Capacity: 6000 lb
• Material: Alloy Steel
• Compatible with Vehicle Type: Car, RV, Trailer

Best for: Higher-capacity two-jack setups.

Why it ranks #2: This two-jack set lists 6,000 pounds of capacity per product description and uses alloy steel with reinforced galvanized tubes.

Each RVshark jack is rated at 6,000 pounds, giving this two-piece set a higher stated per-jack capacity than the 5,000-pound models in its own product description. Reinforced galvanized tubes and alloy steel support that capacity claim, while dual lifting modes let owners use a cordless drill or manual operation.

The 6,000-pound rating per jack is paired with high-strength alloy steel and reinforced galvanized tubes, features the product says help prevent slide-out sagging or sway. Dual lifting modes provide a choice between a 20–24V cordless drill and manual operation, which can make setup adaptable to available tools. The package includes two supports. No adjustment-height range appears in the supplied specifications, so buyers needing a specific reach should account for that missing information.

Skip it if you need a documented 20-to-49-inch adjustment span; BOYISEN BORVJE01 provides that range and supports drill or hand-crank use.

This pair fits RV owners prioritizing a stated 6,000-pound rating per jack and drill-or-manual operation. Because no height range is listed, it is less suitable when a precise support reach must be confirmed from product details.

Listed on Amazon as: RV Slide Out Support Jacks Set of 2, 6000lbs Heavy Duty Supports

#3 · Four-Jack Set

3. Kohree Four-Piece Supports

• Load Capacity: 20000 lb
• Material: Steel
• Compatible with Vehicle Type: Camper, RV, Trailer

Best for: Large fifth-wheel owners.

Why it ranks #3: The four-piece set lists 20,000 pounds total capacity and is specifically described for larger fifth wheels and Class A RVs.

Four supports and a stated 20,000-pound total capacity make this Kohree set the option here aimed at larger slide-outs, including large fifth wheels and Class A RVs. Its product description says the four-jack arrangement can reduce shake by up to 70%, addressing movement that can be noticeable during everyday use.

Kohree specifically positions the four-piece set for large fifth wheels, Class A RVs, and full-time RVers, where multiple support points can help reduce slide-out shake. The stated 20,000-pound total capacity provides a capacity figure for buyers comparing heavier-use sets. Steel construction is described as suited to extreme weather, supporting use in changing conditions. The supplied details do not give an adjustment-height range or powered-operation method, so setup planning depends on information beyond those listed features.

Skip it if you need explicit drill compatibility and a stated adjustment range; BOYISEN BORVJE01 lists both powered operation and a 20-to-49-inch range.

Consider this set for a larger fifth wheel or Class A RV where four support points and the stated total capacity suit the application. Its missing height and operation details limit how precisely you can plan setup.

Listed on Amazon as: Kohree RV Slide Out Support Jacks, 4PCS

#4

4. RVshark Black 6000-lb Jacks

• Load Capacity: 6000lbs lb
• Material: Alloy Steel
• Compatible with Vehicle Type: Car, RV, Trailer

Best for: Black 6,000-pound pair.

Why it ranks #4: This black two-jack option shares the 6,000-pound capacity claim and alloy-steel construction described for RVshark’s other listed set.

A black finish distinguishes this RVshark two-jack set, while its stated 6,000-pound capacity per jack targets buyers seeking more than the 5,000-pound figure cited as the standard in its product description. Alloy steel and reinforced galvanized tubes accompany the capacity claim, and dual lifting modes support drill or manual setup.

RVshark pairs high-strength alloy steel with reinforced galvanized tubes, which the product says provide stability and help prevent an extended room from sagging or swaying. Its dual lifting modes accommodate a 20–24V cordless drill or manual operation, so owners can select a setup method according to the tools available. The set includes two supports and has a black finish. As with the matching silver version, the supplied information does not specify an adjustment-height range.

Skip it if you need specified reach from 20 to 49 inches; BOYISEN BORVJE01 lists that range and drill or hand-crank adjustment.

Pick this pair if its stated per-jack capacity, black finish, and two lifting modes match your RV setup. The missing adjustment range is a meaningful boundary when your slide-out height determines support placement.

Listed on Amazon as: RV Slide Out Support Jacks, Set of 2, 6000lbs Supports Jack,Black

#5 · Broad Height Range

5. VEVOR Adjustable Jacks

• Load Capacity: 5000 lb
• Material: Alloy Steel
• Compatible with Vehicle Type: RV

Best for: Wide-range manual adjusters.

Why it ranks #5: Each jack is listed for 5,000 pounds, and its 20-to-48-inch adjustment range covers a wider span than many conventional pairs.

A 20-to-48-inch adjustment span gives the VEVOR pair broad reach across different RV slide-out heights, while each jack is listed for up to 5,000 pounds. The supports use 0.08-inch-thick steel pipes, and the product describes manual height adjustment from the lowest setting.

The 20-to-48-inch range lets owners set support height across a wide span, which is useful when one fixed-height option would not reach the needed position. Each jack's listed 5,000-pound maximum capacity provides a per-support figure, and the 0.08-inch-thick steel pipes are the stated structural construction. The product describes adjustment using a handle from the lowest setting; supplied details do not name drill compatibility, so buyers planning powered adjustment should note that distinction.

Skip it if you want drill adjustment explicitly listed; Garvee PAU_0L8Y0PZG-mjVdu supports both a power drill and hand crank.

Choose this VEVOR pair when a wide 20-to-48-inch reach and a stated 5,000-pound capacity per jack match your support needs. Its supplied adjustment information describes a handle, not powered drill operation.

Listed on Amazon as: VEVOR RV Slide Out Support Jacks, 5000 lbs Capacity Each Slide Out Stabilizer, Adjusts from 20"-48" Camper Slide Out Support Jacks, Heavy-Duty Slideout Stabilizers for RV, Camper and Travel Trailer

#6

6. BOYISEN Adjustable Jacks

• Load Capacity: 5000 lb
• Material: Alloy Steel
• Compatible with Vehicle Type: Car, RV, Trailer, Truck

Best for: Long-reach drill adjusters.

Why it ranks #6: The pair adjusts from 20 to 49 inches and supports a listed 5,000 pounds, with both drill and hand-crank operation.

A 20-to-49-inch height range gives BOYISEN's two jacks broad reach, with both thread adjustment and hole-position adjustment contributing to that span. Owners can raise or lower them with an electric drill or the included hand crank, giving this set several listed setup methods across varied RV, trailer, truck, or car applications.

The combination of thread and hole-position adjustment provides the stated 20-to-49-inch range, giving buyers more reach than a short-span support when slide-out height varies. Electric-drill operation can speed adjustment, while the included hand crank offers a manual alternative. Alloy-steel construction and a 5,000-pound listed capacity complete the core support details. The product advises holding the top of the U-shape during thread adjustment, a handling note owners should account for when setting the jacks.

Skip it if you need reversible tops for rail or flat-bottom contact; Camco Eaz-Lift 48870 lists both top orientations.

This pair suits buyers needing a long 20-to-49-inch reach and a choice of drill or hand-crank operation. Follow the listed handling note to hold the U-shaped top during thread adjustment.

Listed on Amazon as: BOYISEN RV Slide Out Support Jacks, 20-49 in Adjustable, 5000 lb Capacity

#7

7. Garvee Quick-Lift Jacks

• Load Capacity: 10000 lb
• Material: Alloy Steel
• Compatible with Vehicle Type: RV

Best for: Shorter-range drill setups.

Why it ranks #7: This two-jack set adjusts from 21.1 to 34.25 inches and includes a crank handle and magnetic drill socket for setup.

Adjustment from 21.1 to 34.25 inches gives this Garvee pair a defined, relatively compact height span for slide-outs that fall within it. Owners can raise or lower the jacks with a power drill or hand crank, and the included magnetic hex socket supports the powered option during installation and adjustment.

The 21.1-to-34.25-inch range makes height selection concrete for RV owners whose support points fit within those limits, while the product says the range can accommodate uneven surfaces. Drill and hand-crank operation give setup flexibility, and the included magnetic hex socket and crank handle provide the named tools for those methods. Alloy-steel construction and a stated 10,000-pound specification load capacity complete the listed details. The title separately describes the set as 5,000-pound, so the capacity figures are inconsistent.

Skip it if you require a 49-inch maximum height; Camco Eaz-Lift 48870 adjusts from 19 to 49 inches with incremental locked positions.

This pair suits owners whose slide-out support height falls within 21.1 to 34.25 inches and who value drill or crank operation. Resolve its conflicting capacity figures before relying on a load limit.

Listed on Amazon as: Garvee RV Slide Out Stabilizer Jacks (Set of 2) – 5000 LB Heavy Duty Support, 21 in-34 in Quick-Lift Adjustable – Power Drill & Hand Crank Compatible for Campers, Travel Trailers & RVs

#8

8. Camco Eaz-Lift Supports

Best for: Rail-contact slide-out owners.

Why it ranks #8: The adjustable pair spans 19 to 49 inches, has reversible tops for rails or flat-bottom slide-outs, and is described as supporting 5,000 pounds each.

Reversible tops let the Camco Eaz-Lift supports contact either slide-out rails or flat-bottom slide-outs, making the set adaptable to two listed underside styles. Their 19-to-49-inch range uses incremental locked positions, and a threaded-rod turn handle provides fine adjustment for setting the support height.

Camco says these supports help keep an extended slide-out level and prevent rails from sagging or bending, addressing the mechanism during lengthy periods of use. Reversible tops accommodate rails or flat-bottom slide-outs, while the 19-to-49-inch range with incremental locks gives a broad set of height positions. The threaded-rod handle allows fine adjustment after positioning. Each support is listed to withstand up to 5,000 pounds and fit a slide-out rail up to 51⁄2 inches wide.

Skip it if you want explicitly listed drill operation; BOYISEN BORVJE01 adjusts by electric drill or hand crank across 20 to 49 inches.

Choose Camco if reversible contact tops and incremental locking suit your rail or flat-bottom slide-out. Its stated rail fit is up to 51⁄2 inches, and adjustment is by threaded-rod handle.

Listed on Amazon as: Camco Eaz-Lift Adjustable RV Slide-Out Support, 19 to 49 In, 2 Pack, 48870

#9

9. Garvee Four-Pack Supports

• Load Capacity: 10000 lb
• Material: Alloy Steel
• Compatible with Vehicle Type: RV

Best for: Four-jack height adjusters.

Why it ranks #9: The four-pack advertises 20,000-pound support, but its Specifications list a 10,000-pound load capacity, so buyers should verify the applicable rating.

A four-jack set with telescoping adjustment from 21 to 49 inches gives the Garvee supports a broad stated height span for slide-outs at different elevations. The flat top blocks provide stable contact, while drill and hand-crank compatibility offer two ways to raise or lower the jacks during setup.

The 21-to-49-inch quick-lift range helps accommodate varied RV and camper slide-out heights, and the telescoping design is intended to speed adjustment. Flat top support blocks give the slide-out a defined contact surface. Drill and hand-crank compatibility lets owners choose powered or manual operation. This package supplies four supports for buyers wanting multiple support points; the supplied specifications list a 10,000-pound load capacity, so check the applicable capacity information when planning a setup.

Skip it if you need a height range ending at 49 inches with a stated capacity of 5,000 pounds; VEVOR RV-SOS-5000 offers that range.

This four-jack set suits RV owners who value broad 21-to-49-inch adjustment and powered or manual setup options. Its capacity listings conflict between title and specifications, so that discrepancy matters when choosing for a particular slide-out.

Listed on Amazon as: Garvee 4 Pack RV Slide Out Supports Jack with a Flat Top Support Block, RV Stabilizer Jacks Supports Up to 20,000lbs, 21"-49" Quick-Lift Adjustable – Drill & Hand Crank Compatible for Campers & RVs

#10

10. LUSHIH Trailer Jacks

• Load Capacity: 5000 lb
• Material: Alloy Steel
• Compatible with Vehicle Type: Trailer

Best for: Corrosion-conscious trailer support.

Why it ranks #10: These alloy-steel jacks list 5,000 pounds each and a 21.4-to-40-inch travel range, but compatibility is specified for trailers.

Zinc powder-coating on heavy-duty steel is the LUSHIH pair's stated protection against rust and corrosion, useful for trailer owners considering exposure during storage and travel. Each jack is rated for 5,000 pounds, with a 21.4-to-40-inch travel range and 19 inches of working range listed for positioning.

The zinc powder-coated steel construction is presented as resisting rust and corrosion, addressing maintenance concerns for trailer support hardware. A triangular threaded screw matched with an M18 nut is specified to provide support, while the U-shaped tops measure 5.94 by 2.95 by 0.9 inches. The travel range is 21.4 to 40 inches and the working range is 19 inches, helping buyers distinguish total adjustment from usable range when planning placement.

Skip it if you need a set explicitly listed for RVs and a 49-inch reach; Camco Eaz-Lift 48870 adjusts from 19 to 49 inches.

This pair fits trailer owners who value corrosion-resistant coating, a stated 5,000-pound capacity, and a defined working range. The listed vehicle compatibility is trailer, so that boundary matters for other applications.

Listed on Amazon as: RV Slide Out Support Trailer Stabilizer Jacks 5000 lbs, 2 Pack 21.4"-40"