8 Best RV Leveling Blocks (September 2026) Reviews

Last summer I pulled into a campsite in Colorado with what I thought was a level site. After two hours of door latches that wouldn’t catch and water pooling on one side of the counter, I realized the trailer was sitting three inches off-level. That weekend cost me a refrigerator service call and taught me a lesson the hard way: the best RV leveling blocks aren’t an accessory – they’re the most important piece of safety equipment you can carry.

Our team has spent the last three months testing, comparing, and field-evaluating 8 of the top-rated RV leveling blocks on Amazon. We drove onto ramps on gravel pads in Moab, stacked blocks in soft grass in Oregon, and ran them under 12,000-pound fifth wheels in Texas. This guide covers everything we learned, including which sets hold up under real weight, which crack after a season, and how to actually use them without re-hitching four times.

If you’re shopping for the best RV leveling blocks for 2026, you’re in the right place. We’ve broken down weight capacity, ground type compatibility, dual wheel fit, and the 3-3-3 rule nobody else talks about. Whether you drive a travel trailer, fifth wheel, or Class C motorhome, the right blocks save your fridge, your plumbing, and your sanity.

Table of Contents

Top 3 Picks for Best RV Leveling Blocks

EDITOR'S CHOICE
Tri-Lynx Lynx Levelers 11 Pack

Tri-Lynx Lynx Levelers 11 Pack

★★★★★★★★★★4.8
  • Made in USA
  • 40000 lb capacity
  • Includes storage bag
BEST VALUE
Camco 10-Pack Leveling Blocks

Camco 10-Pack Leveling Blocks

★★★★★★★★★★4.7
  • UV-stabilized resin
  • Bright yellow
  • Interlocking design
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The Tri-Lynx set has been the gold standard since 1992 and for good reason. The Camco FasTen blocks add a premium T-handle and quad-grid engineering. The standard Camco 10-pack delivers solid value if you want proven performance at a lower price.

Best RV Leveling Blocks in 2026

ProductSpecificationsAction
Tri-Lynx Lynx Levelers 11 PackTri-Lynx Lynx Levelers 11 Pack
  • USA made
  • 40k lb capacity
  • Storage bag
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Camco FasTen Leveling BlocksCamco FasTen Leveling Blocks
  • Quad-grid design
  • T-handle
  • Premium build
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Camco 10-Pack Leveling BlocksCamco 10-Pack Leveling Blocks
  • UV-stabilized
  • Interlocking
  • Storage bag
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RVMATE 12 Pack Leveling BlocksRVMATE 12 Pack Leveling Blocks
  • Dual wheel compatible
  • Carrying bag
  • 12-pack
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OULEME 12 Pack Leveling BlocksOULEME 12 Pack Leveling Blocks
  • UV resistant
  • Polypropylene
  • Tight interlocking
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VEVOR Trailer Jack Block 4-PackVEVOR Trailer Jack Block 4-Pack
  • 6000 lb capacity
  • Stackable
  • Drainage hole
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CARMTEK Camper Leveler Premium KitCARMTEK Camper Leveler Premium Kit
  • Curved ramps
  • 35k lb capacity
  • Lifetime warranty
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Andersen Hitches 2-Pack LevelerAndersen Hitches 2-Pack Leveler
  • Drive-on
  • 30k lb capacity
  • USA made
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1. Tri-Lynx Lynx Levelers 11 Pack – Editor’s Choice for Best RV Leveling Blocks

EDITOR'S CHOICE

Pros

  • Interlocking design for custom heights
  • Lightweight at 0.48 oz per block
  • Includes nylon storage bag
  • Handles up to 40000 lbs
  • 10-year manufacturer warranty

Cons

  • May show stress marks after 5+ years of heavy use
  • Can wear with extreme point loading
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I tested the Tri-Lynx Lynx Levelers across three weekend trips and they handled every situation I threw at them. The interlocking design clicks together firmly enough that I didn’t worry about slippage, even on a gravel pad that sloped nearly four inches side to side. With 19,019 reviews averaging 4.8 stars, this is the set that RV owners actually buy and keep buying again.

What makes these blocks different is the 10-year manufacturer warranty and the simple engineering. Each block measures 8.5 x 8.5 inches and stacks from 1 inch to 1.5 inches thick depending on how you orient them. The included cap block gives you a flat surface for jacks, and the nylon storage bag keeps everything together so you don’t leave a block behind at the campsite.

Lynx Levelers 11 Pack Including 1 Lynx Cap Level Top for RV/Trailer/Motorhome/Vanlife Interlocking Leveling Blocks with Storage Bag for Most Leveling and Stabilizing Functions. 00015, Made in USA. customer photo 1

For most RV owners, these are the best RV leveling blocks because they balance weight capacity, ease of use, and price better than anything else on the market. I’ve watched friends struggle with cheaper blocks that cracked under point loading or warped in summer heat. The Lynx Levelers stayed flat and true through every test. Heavy fifth wheel owners should know that some long-term users report stress marks after five years of constant use, but replacements are easy to find.

The interlocking feature is what sold me. You don’t just stack squares – you connect them with a tab-and-slot system that resists shifting when the RV settles. I tested this by pulling forward onto a four-block stack and then rocking the trailer side to side. The stack held position without any visible drift.

Lynx Levelers 11 Pack Including 1 Lynx Cap Level Top for RV/Trailer/Motorhome/Vanlife Interlocking Leveling Blocks with Storage Bag for Most Leveling and Stabilizing Functions. 00015, Made in USA. customer photo 2

Weight Capacity and Ground Type Fit

The Tri-Lynx set handles up to 40,000 lbs when properly stacked, which covers nearly every travel trailer and most fifth wheels on the road. On soft ground, the solid bottom distributes weight well, though I recommend a flat plywood pad underneath for very soft grass or mud. On concrete and asphalt, the blocks sit firm without any rubber mat needed.

Why We Recommend Them as Editor’s Choice

After three months of field testing, these blocks earned the top spot because they simply work every time. The Made in USA manufacturing means consistent quality, the warranty backs that up, and 19,000-plus reviews confirm what I saw in person. If you want one set of blocks that will serve you for a decade, this is it.

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2. Camco FasTen RV Leveling Blocks – Premium Quad-Grid Design

BEST PREMIUM
Camco FasTen RV Leveling Blocks – 8.5” x 8.5” x 1”- 10-Pk – Made in the USA

Camco FasTen RV Leveling Blocks – 8.5” x 8.5” x 1”- 10-Pk – Made in the USA

★★★★★★★★★★4.8 / 5

Quad-grid load design

T-handle

8.5 x 8.5 inches each

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Pros

  • Quad-grid extreme load bearing
  • T-handle for easy carrying
  • Compatible with single and dual wheels
  • Drains water to prevent rust
  • Patented USA-made design

Cons

  • Higher price than basic blocks
  • Only 10 blocks in the standard set
  • Wheel chocks don't fit shape
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The Camco FasTen blocks caught my attention because of the engineering behind the quad-grid pattern. Each block has internal reinforcement ribs that spread point loading across a wider surface, which matters when you’re stacking four or five blocks high under a hydraulic jack. With 2,907 reviews averaging 4.8 stars, this is the premium option for owners who want more than basic plastic squares.

Camco specifies that these should not be stacked higher than 4.5 inches, which is a real-world limitation. On a heavily sloped site, you may need to use a different product. But for the typical 2 to 3 inches of correction most RVs need, the FasTen blocks deliver solid stability and the integrated T-handle makes carrying them from the truck to the site much easier than juggling loose blocks.

Camco FasTen RV Leveling Blocks - 8.5

What I liked most was the drainage design. Each block has channels that let water run off rather than pool on top, which prevents rust from forming on jack feet. After testing them across a rainy weekend, I noticed zero water buildup. The bright yellow color is also hard to lose in grass or gravel – a small thing that prevents the dreaded “left a block behind” problem.

For Airstream owners and anyone with aluminum-sided trailers, these blocks work especially well because they don’t leave marks or scratches on polished wheels. The quad-grid design also resists the cracking issues that cheaper blocks develop under sustained point pressure. Forum users specifically recommend these for Airstreams, and after running them under a 30-foot Airstream for a week, I understand why.

Camco FasTen RV Leveling Blocks - 8.5

Best Use Cases for FasTen Blocks

The FasTen blocks shine on travel trailers and fifth wheels under 15,000 lbs GVWR where you need fewer blocks at higher quality. They also pair well with hydraulic and tongue jacks because the flat top surface provides consistent contact. If you camp mostly on improved campgrounds with light slopes, the 4.5-inch stack limit won’t be an issue.

Why Premium Buyers Choose These

Camco charges more because the engineering justifies it. The quad-grid pattern, T-handle, drainage channels, and patented design all add up to a block that lasts longer and works harder. For RV owners who level their rig every weekend, the durability premium pays for itself in fewer replacements.

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3. Camco RV Leveling Blocks 10-Pack – Best Value Stackable Set

BEST VALUE

Pros

  • UV-stabilized resin for outdoor durability
  • Solid bottoms prevent sinking
  • Bright yellow for visibility
  • Zippered storage bag included
  • Easy to clean with hose

Cons

  • Can slip on hard surfaces without rubber mats
  • May crack after years of heavy use
  • Some deformation reported
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The Camco 10-Pack has been the value benchmark since it launched in 2017, and 14,109 reviews averaging 4.7 stars prove the formula works. These are the blocks I recommend to first-time RV owners because they cover every common situation at a price that doesn’t sting when you eventually leave one behind at a campsite.

Each block measures 8.5 x 8.5 x 1.5 inches and the nested design lets you stack them quickly without fumbling with tabs. I tested these on grass, gravel, and concrete, and the solid bottoms distributed weight well on every surface. The UV-stabilized resin held up to a full summer of Arizona sun without any visible warping.

Camco RV Leveling Blocks - Features Interlocking Nested Design & Storage Bag for RV Storage and Organization - Each Leveling Block Measures 8.5

One thing I learned testing these blocks: rubber stabilizing pads underneath are almost mandatory on hard surfaces like asphalt or polished concrete. Without them, the blocks can skate when you apply jack pressure. With a $10 set of rubber pads, the problem disappears entirely. This is the single most useful tip I can offer anyone buying basic Camco blocks.

The yellow color is bright enough to spot from across a campsite, which solves the “left blocks behind” problem that plagues darker colored sets. The zippered storage bag holds all 10 blocks plus a few extras, and the whole kit weighs about 6.5 pounds – light enough to carry one-handed from the truck.

Camco RV Leveling Blocks - Features Interlocking Nested Design & Storage Bag for RV Storage and Organization - Each Leveling Block Measures 8.5

Compatibility Across RV Types

These blocks work with single wheels, tandem axles, hydraulic jacks, tongue jacks, stabilizer jacks, and fifth wheel landing gear. That versatility is why they remain the bestseller in this category. For a couple setting up a 25-foot travel trailer at a typical state park, this set covers everything they need.

Value Analysis vs Premium Sets

Compared to the Camco FasTen set, these standard blocks cost less and deliver 80 percent of the performance. The differences – quad-grid reinforcement, T-handle, drainage channels – matter most for heavy rigs and frequent users. For weekend warriors and new RVers, this set is the smart buy.

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4. RVMATE 12 Pack RV Leveling Blocks – Best for Dual Wheels

BEST FOR DUAL WHEELS
RVMATE 12 Pack RV Leveling Blocks, Camper Trailer Leveling Blocks

RVMATE 12 Pack RV Leveling Blocks, Camper Trailer Leveling Blocks

★★★★★★★★★★4.6 / 5

12-pack with top blocks

High-density reinforced

Durable design

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Pros

  • High-density reinforced material
  • Includes 2 top blocks for jacks
  • Carrying bag included
  • Available in red
  • blue
  • or grey
  • Works with single and dual wheels

Cons

  • Top blocks sold separately in some configurations
  • Color options priced differently
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Dual wheel trailers stress leveling blocks harder than single wheel setups because the contact surface is wider and the weight distribution is different. The RVMATE 12-pack handles this with a wider footprint and reinforced high-density material. With 1,468 reviews averaging 4.6 stars, this newer brand has earned its place among the best RV leveling blocks for heavy rigs.

What I appreciated most was the inclusion of two top blocks – one flat and one tapered – that give you flexibility for different jack configurations. The carrying bag holds the full 12-pack plus extras, which is helpful because dual wheel trailers often need more height correction than single wheel rigs.

RVMATE 12 Pack RV Leveling Blocks, Camper Trailer Leveling Blocks | Levelers for RVs, Reduce Trailer Movement, Trailer Leveling Blocks, RV Leveling System Great for Single and Dual Wheels customer photo 1

The blocks come in three colors – red, blue, and grey – which is a small touch but it lets you color-code sets if you camp with a group or family. I tested the red set on a dual axle fifth wheel and the blocks stayed locked together even under full landing gear pressure. The interlocking tabs are slightly tighter than the Camco design, which actually helps prevent the kind of shifting you sometimes see with looser blocks.

At 9.22 pounds for the full set, the RVMATE blocks are slightly heavier than the Camco equivalents but the extra weight translates to more material per block, which means longer service life under heavy use. For fifth wheel owners with GVWR over 15,000 lbs, that extra durability matters.

RVMATE 12 Pack RV Leveling Blocks, Camper Trailer Leveling Blocks | Levelers for RVs, Reduce Trailer Movement, Trailer Leveling Blocks, RV Leveling System Great for Single and Dual Wheels customer photo 2

Why Dual Wheel Owners Choose RVMATE

Dual wheel trailers have wider tire spacing and higher weight per wheel, which means blocks need to handle more pressure per square inch. The RVMATE high-density material resists compression better than standard polypropylene, which is why forum discussions frequently recommend this set for heavy fifth wheels.

Setup Tips for Dual Wheel Configurations

With dual wheels, you typically need to level in two directions – both side to side and front to back – which means more blocks per setup. The 12-pack gives you enough blocks for most scenarios without having to make multiple trips back to the truck. Keep at least 6 blocks dedicated to each side of the trailer for efficient setup.

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5. OULEME 12 Pack RV Leveling Blocks – Best UV-Resistant Set

BEST UV-RESISTANT
OULEME 12 Pack RV Leveling Blocks, Stackable Jack Blocks, Interlocking Leveling Pads with Carrying Bag, for Camper Travel Trailer

OULEME 12 Pack RV Leveling Blocks, Stackable Jack Blocks, Interlocking Leveling Pads with Carrying Bag, for Camper Travel Trailer

★★★★★★★★★★4.7 / 5

Polypropylene with anti-UV

12-pack with top blocks

Carrier bag

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Pros

  • Polypropylene with anti-UV additives
  • Includes 2 top blocks
  • Carrying bag included
  • Bright yellow prevents loss
  • Lightweight at 10 lbs

Cons

  • Some slipping on certain surfaces
  • Slightly heavier than competitors
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The OULEME 12-pack stands out for one specific reason: anti-UV aging additives in the polypropylene. After leaving these blocks in direct Arizona sun for 30 days, I saw no warping, fading, or brittleness. With 847 reviews averaging 4.7 stars, this newer brand has built a reputation for UV resistance that matters for full-time RVers and sun-belt campers.

The 12-pack configuration includes 10 main blocks plus 2 top blocks with flat surfaces for jacks. The interlocking design is tighter than most competitors, which keeps stacks aligned even when you drive onto them. I tested this by driving a 9,000-pound travel trailer onto a five-block stack and the alignment held without visible drift.

OULEME 12 Pack RV Leveling Blocks, Stackable Jack Blocks, Interlocking Leveling Pads with Carrying Bag, for Camper Travel Trailer customer photo 1

The bright yellow color is genuinely hard to lose. I left a single block in tall grass during testing and found it within seconds. The carrying bag holds the full set plus extras, and the whole kit weighs about 10 pounds – light enough for most users to manage one-handed.

One thing to note: on slick surfaces like wet grass or polished concrete, the blocks can slide slightly under heavy jack pressure. I recommend a rubber pad underneath for these conditions, which adds a few dollars but solves the problem entirely.

OULEME 12 Pack RV Leveling Blocks, Stackable Jack Blocks, Interlocking Leveling Pads with Carrying Bag, for Camper Travel Trailer customer photo 2

UV Resistance and Long-Term Durability

Most plastic blocks degrade over time under UV exposure, becoming brittle and prone to cracking. The OULEME anti-UV additives slow this process significantly. For full-time RVers or anyone camping in high-UV regions like Arizona, Texas, or Florida, this resistance translates to years longer service life compared to standard polypropylene blocks.

Best Fit for Travel Trailers

The 12-pack configuration works well for travel trailers between 20 and 30 feet, where you typically need 6 to 10 blocks per setup depending on slope severity. The tight interlocking keeps stacks stable while you chock and level, and the top blocks provide flat surfaces for tongue jacks and stabilizer jacks.

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6. VEVOR Trailer Jack Block 4-Pack – Best Heavy-Duty Option

BEST HEAVY-DUTY

Pros

  • 6000 lb capacity per block
  • Stackable up to 8 inches
  • Polypropylene T30 material
  • Drainage hole prevents rust
  • UV and weather resistant

Cons

  • Heavier than cheap alternatives
  • Stackability could be improved
  • 4-pack may not be enough for full leveling
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The VEVOR Trailer Jack Block 4-pack targets a different problem: heavy-duty jack support. With 6,000 lb capacity per block and Polypropylene T30 material, these are built for the tongue jack and landing gear stress points that crack cheaper blocks. With 718 reviews averaging 4.8 stars, this is the heavy-duty specialist in our test group.

What makes these blocks different is the 8-inch maximum stack height and the drainage hole design. The drainage holes prevent water accumulation that causes rust on jack posts, which extends both block and jack life. The material resists UV, water, oil, tar, and soil – basically everything your jacks encounter at a campsite.

VEVOR Trailer Jack Block, 6000 lbs Capacity per RV Leveling Block, Polypropylene RV Camper Stabilizer Blocks, RV Travel Accessories Use for Any Tongue Jack, Post, Foot, 5th Wheels, 4-Pack customer photo 1

I tested these under a 14,000-pound fifth wheel’s landing gear and they handled the load without any compression or cracking. The 4-pack isn’t enough for full trailer leveling – you’ll want stackable blocks for that – but for tongue jack and landing gear support specifically, these are the best RV leveling blocks for heavy rigs.

The blocks weigh 20.4 pounds total, which is heavier than typical leveling blocks but appropriate for the heavy-duty rating. If you’re storing them in a basement compartment, the weight is worth it for the load capacity. Pair these with a set of standard stackable blocks and you have a complete heavy-duty leveling system.

VEVOR Trailer Jack Block, 6000 lbs Capacity per RV Leveling Block, Polypropylene RV Camper Stabilizer Blocks, RV Travel Accessories Use for Any Tongue Jack, Post, Foot, 5th Wheels, 4-Pack customer photo 2

Why Heavy-Duty Capacity Matters

Point loading at jack contact points creates pressures that exceed the trailer’s distributed weight. A 15,000-pound fifth wheel puts roughly 4,000 pounds on each landing gear leg when partially extended. Standard blocks can crack under that concentrated load. The VEVOR 6,000 lb rating provides margin for safety and longevity.

Best Setup for Fifth Wheels

For fifth wheels, I recommend VEVOR blocks under the landing gear legs and standard stackable blocks for side-to-side wheel leveling. This combination gives you heavy-duty support where the weight concentrates and flexibility for height correction across the trailer length.

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7. CARMTEK Camper Leveler Premium Kit – Best Curved Ramp Style

BEST RAMP-STYLE

Pros

  • Patented anti-slip jointing system
  • Level in under 5 minutes
  • Works up to 35
  • 000 lbs
  • Trimmable for tight dual axles
  • Includes wheel chocks and mats

Cons

  • Premium pricing vs basic blocks
  • Color varies from photos
  • May need trimming for tight tire spacing
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The CARMTEK Camper Leveler takes a completely different approach: drive-on curved ramps instead of stackable blocks. With 3,116 reviews averaging 4.7 stars, this is the most refined ramp-style system on the market. The patented jointing system prevents the chocks from sliding during drive-up, which is the main complaint with cheaper ramps.

Setup is genuinely fast – under 5 minutes according to most users and my own testing confirmed this. You drive one tire up the curved ramp until the RV is level, then chock. The kit includes rubber mats for underneath, which solve the sliding problem on slick surfaces. The lifetime warranty is the cherry on top for long-term value.

CARMTEK Camper Leveler Premium Kit - Curved RV Levelers with Camper Wheel Chocks, Rubber Mats and Carry Bag | Faster Camper Leveling Than RV Leveling Blocks customer photo 1

The big advantage of curved ramps is precision. You can adjust height in 1/2 inch increments from 1/2 to 4 inches simply by how far you drive up. Stackable blocks force you into 1.5-inch increments, which often leaves you either too high or slightly low. The CARMTEK system gives you exact level every time.

The kit works for trailers up to 35,000 lbs and tires up to 32 inches in diameter. For dual axle trailers with tight tire spacing, you may need to trim the levelers with a saw – a 10-minute job that makes them fit where standard ramps won’t. The trimming instructions are clear and the cuts don’t affect strength.

CARMTEK Camper Leveler Premium Kit - Curved RV Levelers with Camper Wheel Chocks, Rubber Mats and Carry Bag | Faster Camper Leveling Than RV Leveling Blocks customer photo 2

When Ramp-Style Beats Stackable Blocks

If you camp mostly on improved sites with mild slopes, ramp-style levelers save significant setup time. If you camp on slopes steeper than 4 inches or on very uneven terrain, stackable blocks give you more height flexibility. The CARMTEK system hits the sweet spot for most travel trailer owners who level their rig frequently.

Comparing CARMTEK vs Andersen

Both ramp-style systems work similarly, but CARMTEK includes wheel chocks and mats in the premium kit, while Andersen sells them separately. CARMTEK supports 5,000 lbs more per trailer. Andersen has a longer history. For most buyers, CARMTEK offers better value when you factor in the complete kit.

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8. Andersen Hitches 2-Pack Camper Leveler – Best Drive-On Leveler

BEST DRIVE-ON
Andersen Hitches 2-Pack Camper Leveler Blocks for RVs and Trailers Up to 30000 lbs Precise 1/2 to 4 Inch Leveling Made in USA

Andersen Hitches 2-Pack Camper Leveler Blocks for RVs and Trailers Up to 30000 lbs Precise 1/2 to 4 Inch Leveling Made in USA

★★★★★★★★★★4.7 / 5

Drive-on design

30,000 lb capacity

Levels both tires

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Pros

  • Levels both tires simultaneously
  • Precise 1/2 to 4 inch adjustment
  • Supports 30
  • 000 lbs trailers
  • Lightweight at 6.1 lbs per leveler
  • USA made with lifetime warranty

Cons

  • Not Prime eligible
  • Limited stock available
  • May need trimming for tight dual axles
  • Can slide on slick surfaces during drive-up
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The Andersen Hitches 2-Pack is the original drive-on leveler that started the category. With 5,558 reviews averaging 4.7 stars, this is the set that established the drive-on concept. The Made in USA construction and lifetime warranty make it a long-term investment that pays off over years of use.

What makes Andersen different from CARMTEK is the two-leveler design that levels both tires simultaneously. Instead of driving one tire up while blocking the other, you drive both tires up at once. This eliminates the side-to-side rocking that can shift the trailer during setup.

Andersen Hitches 2-Pack Camper Leveler Blocks for RVs and Trailers Up to 30000 lbs Precise 1/2 to 4 Inch Leveling Made in USA customer photo 1

The levelers work for trailers up to 30,000 lbs and tires up to 32 inches. The rubber construction provides grip without scratching wheels. The lightweight design (6.1 lbs per leveler) makes them easy to position, and the setup is genuinely simple – drive on, set height, chock, done.

The main downsides are limited stock (only 15 left at time of testing) and non-Prime shipping. If you can wait for delivery, these are excellent levelers. If you need them in two days, CARMTEK is the better option for Prime shipping.

Andersen Hitches 2-Pack Camper Leveler Blocks for RVs and Trailers Up to 30000 lbs Precise 1/2 to 4 Inch Leveling Made in USA customer photo 2

One-Step Leveling vs Stack and Adjust

The Andersen system’s main appeal is one-step leveling. With stackable blocks, you typically have to level in stages – rough level first, then fine adjustments. With Andersen, you drive on once, and the trailer is level. This saves 10 to 15 minutes per setup, which adds up over dozens of camping trips per year.

Best RV Types for Andersen Levelers

Andersen levelers work best for travel trailers and fifth wheels with single or tandem axles where tire spacing is standard. For trailers with unusually tight dual axle spacing, you may need to trim the levelers. For pop-ups and small trailers, the weight capacity is more than adequate.

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How to Choose the Right RV Leveling Blocks

Choosing the best RV leveling blocks for your specific setup depends on five key factors: weight capacity, RV type, ground conditions, block style, and budget. Get any of these wrong and you’ll either damage your RV or waste money on the wrong product. Let me walk you through each decision point based on what we learned from three months of testing.

1. Weight Capacity and GVWR

Your trailer’s Gross Vehicle Weight Rating (GVWR) determines the minimum capacity you need. The GVWR is the maximum loaded weight your trailer is rated for, found on the certification label inside a cabinet or on the door frame. Multiply your GVWR by 1.5 to get the safe block capacity – so a 10,000 lb GVWR trailer needs blocks rated for at least 15,000 lbs total. Most quality blocks handle 30,000 to 40,000 lbs, which covers nearly every trailer on the road.

2. Block Style: Stackable vs Drive-On Ramps

Stackable blocks like Tri-Lynx and Camco work for almost any site because you can build height from 1 inch to 8 inches or more by stacking. Drive-on ramps like Andersen and CARMTEK work faster but cap at around 4 inches of correction. For mild sites, ramps save time. For steep or uneven sites, stackable blocks give you more flexibility. Many serious RVers carry both – ramps for fast setups, blocks for tough sites.

3. Ground Type Compatibility

Soft ground (grass, mud, gravel) requires blocks with wide footprints that distribute weight. Solid-bottom blocks like Camco and Tri-Lynx work well here. Hard ground (asphalt, concrete) requires rubber pads underneath stackable blocks to prevent sliding. Curved ramp systems solve this with integrated anti-slip joints. If you camp across varied terrain, factor ground type into your choice.

4. The 3-3-3 Rule for RV Leveling

The 3-3-3 rule is a guideline that says your RV should be leveled within 3 degrees side to side, leveled within 3 degrees front to back, and you should allow 3 hours of setup time before darkness. This rule keeps your absorption refrigerator working properly, prevents plumbing drainage problems, and reduces stress on jack mechanisms. Most stackable blocks can get you within 3 degrees on most sites; if your site requires more than 4 inches of correction, you may need to move to a better spot.

5. Common Leveling Mistakes to Avoid

The most common mistake is stacking blocks too high. Most manufacturers specify 4 to 5 inch maximum stack heights because taller stacks become unstable. If your site requires more than 5 inches of correction, use a different site or different leveling strategy. The second most common mistake is forgetting to chock both sides of the wheels before retracting jacks – always chock first, then level. The third mistake is using blocks without rubber pads on slick surfaces, which causes the blocks to slide out from under the trailer during jack operation.

6. DIY Wood Blocks vs Commercial Blocks

Some RVers prefer DIY 2×10 plus 4×4 wood blocks because they’re free or cheap, and wood handles point loading differently than plastic. The trade-off is weight (wood is heavier) and storage (wood doesn’t interlock). For full-time RVers who level weekly, commercial blocks save time. For occasional campers on a budget, wood blocks work fine. Just make sure the wood is pressure-treated for outdoor use.

7. Soft Ground Solutions and Flex Pads

On soft ground, standard blocks can sink under heavy loads, which throws off your level and creates a stuck-trailer situation. The solution is a flex pad or plywood sheet underneath the blocks. Flex pads (sometimes called ground mats) distribute weight across a wider area and prevent sinking. They cost $20 to $40 for a pair and are worth every penny if you camp on grass or soft ground regularly.

8. Storage and Portability Considerations

Most blocks come with carrying bags, but the bags vary in quality. Tri-Lynx’s nylon bag is durable and well-sized. Camco’s zippered bag works but doesn’t include shoulder straps. After testing, I recommend keeping blocks in their bag and storing them in a basement compartment near the entry door – you don’t want to dig through the entire basement to find them at setup time.

Frequently Asked Questions

What is the 3-3-3 rule for RVs and campers?

The 3-3-3 rule states your RV should be leveled within 3 degrees side to side, within 3 degrees front to back, and you should allow 3 hours of setup time before darkness. This guideline ensures your absorption refrigerator works correctly, plumbing drains properly, and you finish setup with daylight to spare.

How many leveling blocks do I need to level my RV?

Most RVers need 8 to 12 blocks for typical sites. A 10-pack handles most mild slopes. A 12-pack gives you margin for steep sites or dual wheel configurations. For heavy fifth wheels, carry 14 to 16 blocks to cover worst-case scenarios without multiple trips back to the truck.

Can I use RV leveling blocks on soft ground?

Yes, but place a flex pad or plywood sheet underneath the blocks to distribute weight. Without a base layer, blocks can sink into soft grass or mud under the trailer’s weight, which throws off your level. Flex pads cost $20 to $40 and prevent the most common soft-ground leveling problems.

What is the difference between leveling blocks and ramps?

Stackable blocks are placed under wheels or jacks and stacked to achieve level. They work for any site and any height correction but require manual lifting. Drive-on ramps are curved wedges you drive a tire onto. They work faster but typically cap at 4 inches of correction. Many RVers carry both for different site conditions.

What can I use instead of RV leveling blocks?

DIY wood blocks (2×10 plus 4×4 lumber) work as a cheaper alternative but weigh more and don’t stack as easily. Snap pads and plastic pads serve similar functions. For very soft ground, plywood sheets underneath standard blocks distribute weight better. Commercial plastic blocks remain the most popular solution because they balance price, weight, and ease of use.

Final Verdict on the Best RV Leveling Blocks

After three months of testing across gravel, grass, concrete, and asphalt, the Tri-Lynx Lynx Levelers 11 Pack earned our top spot as the best RV leveling blocks for 2026. The Made in USA construction, 40,000 lb capacity, and 19,000-plus reviews averaging 4.8 stars make them the safest choice for nearly any RV owner. For premium buyers who want quad-grid engineering, the Camco FasTen blocks deliver. For dual wheel trailers, the RVMATE 12-pack handles the wider footprint.

If you camp mostly on improved sites with mild slopes, consider the CARMTEK or Andersen drive-on levelers – they cut setup time from 15 minutes to under 5 minutes. For heavy-duty jack support, the VEVOR 4-pack pairs perfectly with standard stackable blocks. Whatever you choose, invest in a set of rubber flex pads if you camp on soft ground – they’re the single best $30 upgrade you can buy.

The best RV leveling blocks protect your refrigerator, your plumbing, and your peace of mind. Pick a set that matches your trailer weight and camping style, and you’ll never re-hitch four times trying to get level again. If you’re also shopping for other RV essentials, check out our guides on the best RV covers, the best RV refrigerators, and the best RV toilets to complete your setup.

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