6 Best Chocks For Class A Motorhomes On Slopes That Nomads Swear By
Secure your Class A motorhome on any incline. We review the top 6 heavy-duty wheel chocks that seasoned nomads trust for maximum safety and stability.
There’s a unique kind of tension you feel when guiding a 40-foot, 30,000-pound motorhome onto a sloped campsite. It’s a moment where gravity feels very, very real. The right set of wheel chocks isn’t just a piece of gear; it’s the critical link that stands between a peaceful night’s sleep and a catastrophic failure.
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Why Heavy-Duty Chocks Are Non-Negotiable
Let’s be blunt: the flimsy plastic chocks that might have come with your rig are a liability. A Class A motorhome is a house on wheels, with a weight to match. On any kind of grade, that weight translates into immense force wanting to pull your home downhill.
Your parking brake and transmission pawl are strong, but they are not designed to hold that kind of load indefinitely, especially on a steep incline. They are failure points. A heavy-duty chock is your primary line of defense, designed to physically block movement and bear the load directly at the tires.
Think of it as an investment. The difference between a cheap, hollow plastic chock and a solid rubber or heavy-duty polymer one is maybe fifty bucks. The difference between it holding and it cracking under pressure is your entire home. This is not the place to cut corners.
Camco 44414 Super Wheel Chock for Stability
Sometimes the best solution is a smarter version of a classic design. The Camco Super Wheel Chock is exactly that. It looks like the familiar yellow chock but is significantly larger, beefier, and built specifically for the larger tires found on Class A rigs and heavy trailers.
Made from a durable, UV-stabilized polymer, it’s much more resistant to cracking or crushing than its smaller cousins. The ribbed design provides a solid grip on both the tire and the ground surface, whether it’s pavement, gravel, or packed dirt. They are lightweight and stackable, making them easy to store without adding significant weight to your payload.
This is my go-to recommendation for a straightforward, effective solution. It doesn’t have the bells and whistles of other systems, but its simplicity is its strength. For a single-axle setup or as the primary ground chocks in a tandem system, they provide reliable holding power without breaking the bank.
Andersen Levelers: Chock and Leveler in One
Efficiency is king in the RV world, and the Andersen Leveler system is a masterclass in it. This isn’t just a chock; it’s a complete leveling system that incorporates a chock as part of its design. You drive your motorhome’s tire onto a curved ramp until you’re level, then slip the matching chock piece under the low end of the ramp.
The genius here is that the vehicle’s own weight locks the chock into place. It creates an incredibly secure hold with a massive contact patch against the tire. There is virtually no chance of it slipping, as the forces are perfectly opposed. It turns two separate tasks—leveling and chocking—into a single, fluid motion.
The tradeoff is bulk and price. These are not small, and they carry a premium cost compared to simple chocks. They also work best on firm ground, as they can press into soft soil or sand. But for nomads who value speed, convenience, and a rock-solid setup, the integrated security of the Andersen system is hard to beat.
BAL 28014 X-Chock: Tandem Axle Security
If your Class A has tandem axles, a standard set of ground chocks is only half the solution. The BAL X-Chock addresses the other half: fore-and-aft movement. This scissor-style device fits between your tires and expands with a ratchet wrench, applying opposing pressure to both wheels.
This does something ground chocks can’t. It locks the tires together, effectively immobilizing the suspension’s natural tendency to shift and rock. The result is a dramatic increase in stability. You’ll feel the difference inside the coach immediately—less bounce, less wiggle, and a much more solid feeling, especially when people are moving around.
Crucially, an X-Chock is not a replacement for ground chocks. It is a supplemental device. On a slope, you absolutely must have chocks on the ground first. The X-Chock is the second layer of security that adds immense stability and prevents the tires from shifting in a way that could compromise your ground chocks. For tandem axles, I consider them essential.
MaxxHaul 70472 Solid Rubber Heavy Duty Chock
When you need uncompromising holding power, you look at what the pros use. The MaxxHaul Solid Rubber Chock is essentially a smaller version of what you see behind the wheels of a semi-truck, and it’s built for the same purpose: to stop a massive amount of weight from moving. Period.
These chocks are made from solid, high-density rubber. Their sheer weight and tacky surface mean they stay planted on almost any surface, from slick asphalt to loose gravel. They won’t slide, crack, or deform under the immense pressure of a heavy motorhome on a grade. An integrated handle makes them easier to place and retrieve.
The downside is that they are heavy and can have a strong rubber odor, especially when new. They take up a bit more space than hollow plastic chocks. But if your travels frequently take you to uneven, sloped sites and your top priority is absolute, fail-safe security, the peace of mind offered by solid rubber is worth every ounce.
Fastway ONEstep XL Wheel Chock for Tandems
The Fastway ONEstep offers the same between-the-wheel stabilization as the X-Chock but with a focus on speed and ease of use. Instead of using a ratchet to expand, the ONEstep uses a clever lever and wedge system that you can set with your foot. You simply place it between the tires and step down.
This design is a game-changer for anyone who sets up and breaks down camp frequently, or for those with back or knee issues who find kneeling on the ground difficult. It provides the same fantastic benefit of locking the tandem wheels together, eliminating that annoying fore-and-aft rocking and adding a serious layer of security on slopes.
Like the X-Chock, the ONEstep is a stabilizer and must be used in conjunction with ground chocks. The choice between the two often comes down to personal preference. Do you prefer the precise, deliberate tightening of a ratchet (X-Chock) or the lightning-fast deployment of a step-on lever (ONEstep)? Both are excellent additions to a tandem-axle safety kit.
Hopkins FloTool Heavy Duty Wheel Chocks
The Hopkins FloTool chocks represent a fantastic middle ground. They are a significant upgrade in durability and design from basic, cheap chocks but remain affordable and lightweight. They are made from a tough, durable resin with an aggressive tread on the bottom for enhanced grip.
What I appreciate about these is the thoughtful, practical design. They are robust without being overly heavy, and they are often sold as a linked pair, which is handy for keeping them together in a storage bay. They are the perfect workhorse chock for the RVer who wants more security than a basic model can offer but doesn’t need the specialized function of an X-chock or the extreme heft of solid rubber.
Think of these as the smart, reliable choice. They are more than capable of securing a Class A on moderate slopes when used correctly. For many full-timers, a set of these provides the right balance of performance, weight, and value for everyday use.
Proper Chocking Technique on Steep Grades
Having the best chocks in the world doesn’t matter if you use them incorrectly. On a grade, proper technique is everything. The fundamental rule is to always chock the downhill side of the tires, as this is the direction gravity wants to pull your rig.
For a serious slope, don’t stop there. Place chocks snugly against the tread on both the front and back of the downhill axle’s tires. This creates a cradle that prevents any movement. Slowly allow the motorhome to roll a fraction of an inch to settle its weight onto the chocks before you engage the parking brake. This ensures the chocks, not your brake system, are bearing the primary load.
Always place your chocks before you do anything else—before leveling, before extending slides, and before unhooking a tow vehicle. If you have tandem axles, install your X-Chocks or ONEstep chocks after the ground chocks are in place. Chocking isn’t a passive step; it’s an active safety procedure. Double-check your chocks every time you walk past them, especially after a temperature change or rain, which can cause the ground to shift.
Ultimately, your wheel chocks are a critical piece of safety equipment, not an accessory. Choosing the right one is about matching the tool to the task and understanding the forces at play. Investing in a heavy-duty set and using them correctly provides the foundation of security that allows you to relax and enjoy the view, no matter how steep it is.
Frequently Asked Questions (FAQs)
What are heavy-duty wheel chocks for Class A motorhomes?
Heavy-duty wheel chocks for Class A motorhomes are wedge-shaped blocks engineered to hold vehicles weighing between 20,000 and 50,000 pounds securely in place on grades. Unlike lightweight passenger car wedges, these chocks use dense industrial rubber, extruded aluminum, or reinforced urethane to resist crushing under immense axle weight. They feature aggressive tread patterns on the bottom to grip gravel, dirt, and asphalt without sliding under downhill pressure.
What is the 25 percent wheel chock height rule for RV tires?
The 25 percent wheel chock height rule requires that a chock measures at least one-fourth the total outer diameter of your motorhome tire. For example, a standard 22.5-inch Class A tire with a 38-inch overall rolling diameter requires a wheel chock standing at least 9.5 inches tall. Using undersized blocks below this ratio allows heavy tires to roll directly up and over the wedge when parked on grades exceeding three percent.
How do you properly chock a Class A motorhome parked on a slope?
Properly chocking a Class A motorhome on a slope requires setting the blocks firmly against the downhill side of both drive axle tires before releasing the air brake. Bring the motorhome to a complete stop, keep the parking brake engaged, and place chocks tight against the tire tread with no visible gap. If parked facing downhill, chock the front of the tires; if facing uphill, chock the rear. Finally, ease the vehicle back against the chocks before deploying hydraulic leveling jacks.
How do you safely remove wheel chocks stuck under tires on a slope?
To safely remove wheel chocks pinned under Class A motorhome tires, shift the coach into gear and gently roll uphill by two to three inches. Start the motorhome engine, hold the service brake firmly, release the parking brake, and apply light throttle against the slope to create space. Have an assistant pull the chocks free using attached ropes or handles while keeping their hands clear of the wheel well. Never attempt to kick or pry out bound chocks while coach weight is actively resting on them.
Are heavy-duty rubber chocks better than aluminum chocks for steep slopes?
Rubber wheel chocks perform better than aluminum chocks on wet asphalt, smooth concrete, and hard-packed gravel slopes due to higher friction grip. Dense recycled rubber flexes slightly under a 30,000-pound load, biting into slick surfaces where smooth aluminum can slide under tension. Aluminum chocks offer lighter carry weights and resist oil degradation better, but rubber chocks provide superior slip resistance and stability when securing high-tonnage rigs on steep mountain campsites.
How many wheel chocks do you need for a Class A motorhome on an incline?
Four wheel chocks are needed to safely secure a Class A motorhome parked on an incline, providing one chock on both sides of each rear tire. Dual rear drive wheels carry the primary braking burden on large motorhomes, making them the most critical stabilization point. On steep grades exceeding six percent, experienced nomads often deploy six chocks by adding wedges to both front steer tires to eliminate all potential roll direction.
What is the most common mistake when chocking a Class A motorhome on an incline?
Leveling a Class A motorhome with hydraulic jacks before putting wheel chocks in place is the most dangerous and common mistake RV owners make. Hydraulic leveling systems can easily lift rear drive tires off the pavement, which disables the motorhome parking brake and causes the coach to roll or slip off jack pads. Always insert heavy-duty chocks flush against the rubber tires while the full vehicle weight is grounded, well before lowering hydraulic landing gear.
Is it safe to rely only on parking brakes on a steep RV campsite slope?
Relying solely on motorhome spring brakes or transmission pawls on a steep campsite slope is unsafe because mechanical components can fail under severe gravity loads. Class A air brakes only lock the rear drive wheels, which can lose traction on wet grass, loose gravel, or ice. Mechanical parking pawls can shear or jam tight under tens of thousands of pounds of downhill stress. Chocks serve as a vital mechanical barrier that physically prevents tire rotation regardless of brake system integrity.
