Class A Motorhome

Class A motorhomes represent the largest and heaviest vehicles on the road—requiring advanced suspension systems capable of managing continuous, high-capacity loads. SuperSprings International designs and engineers solutions specifically for the Ford F53 and other leading Class A chassis, delivering improved stability, consistent ride height, and long-term comfort without compromising handling or reliability.

An Essential Upgrade for Ford F53 Motorhomes

Manufactured from proprietary microcellular polyurethane, the Class A SumoSprings system is engineered to enhance handling, reduce sway, and minimize vibration in gas-powered Ford F53 motorhomes. This airless, zero-maintenance solution increases driver control and comfort while delivering long-term durability that exceeds the service life of most coaches.

Highway Sway

Reduce the effects of crosswinds and passing traffic on tall, high-profile motorhomes.

Constant Heavy Loads

Maintain proper ride height and stability for full-time RVs operating under continuous payload.

Harsh Impacts

Absorb shocks from bridge joints, dips, and uneven roads to protect chassis components and interiors.

Driver Fatigue

Enhance handling precision and reduce driver strain for improved safety and comfort on long routes.

Heavy-Duty Progressive Load Support

Recommended Suspension Upgrade for Class A Motorhomes

The SumoSprings Maxim system is engineered to deliver maximum load capacity and consistent stability for large Class A coaches. Designed for heavy, continuous-duty use, it provides OEMs and service professionals with a maintenance-free solution that improves comfort, safety, and long-term vehicle control.

✅ Large-Diameter Construction – Handles constant onboard weight for heavy-duty, full-time operation.
✅ Progressive Spring Rate – Soft initial response for comfort, firming progressively under load for stability.
✅ Impact Cushioning – Absorbs road shock to reduce harsh feedback through the chassis.
✅ Sway Control – Minimizes roll and instability, reducing driver fatigue on long routes.
✅ Zero Maintenance – No air lines, compressors, or leaks—built for years of dependable service.

Custom-Engineered to Keep You in Control Under Constant Load

Built for Heavy-Duty Performance

The Right Support for the Largest Motorhomes

Class A suspension systems must do more than carry weight—they must maintain stability, comfort, and safety over thousands of miles of constant use. The SumoSprings Maxim system is engineered with high-density microcellular polyurethane to deliver smooth compression, consistent impact absorption, and superior sway control. Designed for heavy, continuous loads, it keeps large motorhomes level, predictable, and comfortable for OEMs, dealers, and full-time travelers alike.

What Our Customers Are Saying

After installing SumoSprings on our Tiffin Allegro, the improvement was immediate. The constant rocking from passing trucks is gone, and the steering feels tighter and more predictable. Long driving days are far less tiring, and my wife says the interior feels quieter too. It’s the kind of upgrade that makes you wonder why you didn’t do it sooner.

Daniel Harper

2020 Tiffin Allegro Open Road

We were hesitant at first, but SumoSprings completely changed the ride of our Bay Star. Before, crosswinds and uneven roads had us fighting the wheel, but now the coach feels planted and controlled. The sway in curves is dramatically reduced, and it feels like a more stable, comfortable motorhome overall. Highly recommended for Class A owners.

Susan Clark

2021 Newmar Bay Star

We’ve logged thousands of miles in our Bounder, and adding SumoSprings has been the best upgrade so far. The ride is smoother, the handling more stable, and the coach doesn’t lean or bounce nearly as much. Even after long days behind the wheel, I feel less fatigued because I’m not constantly correcting the steering. A big win for safety and comfort.

Robert Lane

2019 Fleetwood Bounder

Constant Heavy Loads

Built to maintain ride height and stability for full-time RVs operating under continuous payload.

Fully Equipped Coaches

Designed for large, amenity-rich motorhomes carrying significant onboard storage and systems.

Long-Haul Travel

Enhance ride quality and chassis control during cross-country operation and extended travel.

Reduced Driver Fatigue

Improve handling precision and stability to minimize steering correction and reduce strain over long distances.

Stability, Comfort, and Control.

Find the Right Kit for Your Class A Motorhome

Our suspension solutions are designed specifically for Ford F53 motorhomes, giving RV owners greater stability, comfort, and confidence on the road. We have applications available for a wide range of Class A motorhomes built on the 2011 and newer F53 chassis, including popular brands like Coachmen, Jayco, Holiday Rambler, Tiffin, and Winnebago in the 16–18K, 20–22K, and 24–26K GVWR ranges. We also cover Forest River, Newmar, Thor, and Fleetwood motorhomes from 2011 to the present with fitments for 20–22K and 24–26K GVWR chassis.

2011 & Newer Coachmen, Jayco, Holiday Rambler, Tiffin, and Winnebago motorhomes

16-18K GVWR

K-10-003 | SumoSprings Front & Rear Kit

Capacity: 6000 (lb) Capacity at 50% Compression
Position: Front & Rear
Ajouter à la demande de devis

20-22K GVWR

K-10-002 | SumoSprings Front & Rear Kit

Capacity: 10000 (lb) Capacity at 50% Compression
Position: Front & Rear
Ajouter à la demande de devis

24-26K GVWR

K-10-005 | SumoSprings Front & Rear Kit

Capacity: 10000 (lb) Capacity at 50% Compression
Position: Front & Rear
Ajouter à la demande de devis

2011 & Newer Forest River, Newmar, Thor, and Fleetwood motorhomes

20-22K GVWR

K-10-001 | SumoSprings Front & Rear Kit

Capacity: 10000 (lb) Capacity at 50% Compression
Position: Front & Rear
Ajouter à la demande de devis

24-26K GVWR

K-10-004 | SumoSprings Front & Rear Kit

Capacity: 10000 (lb) Capacity at 50% Compression
Position: Front & Rear
Ajouter à la demande de devis

Shop Other RV Solutions

Explore More Motorhome & Trailer Suspension Kits
Find the ideal suspension system for your platform—engineered for OEM integration, dealer installs, and long-term reliability.

Class A Motorhome

An Essential Upgrade for Ford F53 Motorhomes

Highway Sway

Constant Heavy Loads

Harsh Impacts

Driver Fatigue

Heavy-Duty Progressive Load Support

Recommended Suspension Upgrade for Class A Motorhomes

Custom-Engineered to Keep You in Control Under Constant Load

Built for Heavy-Duty Performance

The Right Support for the Largest Motorhomes

What Our Customers Are Saying

Daniel Harper

Susan Clark

Robert Lane

Engineered for Every Class A Application

Stability, Comfort, and Control.

Upgrade Your Class A Suspension Performance

Find the Right Kit for Your Class A Motorhome

2011 & Newer Coachmen, Jayco, Holiday Rambler, Tiffin, and Winnebago motorhomes

16-18K GVWR

K-10-003 | SumoSprings Front & Rear Kit

20-22K GVWR

K-10-002 | SumoSprings Front & Rear Kit

24-26K GVWR

K-10-005 | SumoSprings Front & Rear Kit

2011 & Newer Forest River, Newmar, Thor, and Fleetwood motorhomes

20-22K GVWR

K-10-001 | SumoSprings Front & Rear Kit

24-26K GVWR

K-10-004 | SumoSprings Front & Rear Kit

Shop Other RV Solutions

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