Keeps vehicles level under full loads — protecting handling and visibility.
Airless systems mean no leaks, no compressors, no costly downtime.
Manages sway and braking dive for safer, more confident operation.
Built tough and backed for life — with real-world fleet experience.
From snowplows to last-mile vans, commercial vehicles need suspension that holds up under pressure. SuperSprings International offers airless, progressive solutions that reduce sag, soften impacts, and protect chassis and equipment. Whether you’re upfitting one truck or managing a full fleet, we help you get more out of your vehicles — with less maintenance and more uptime
SuperSprings – Self-adjusting steel helper springs that install over factory leaf springs. They engage only under load, reducing rear sag and sway while preserving unloaded ride quality — ideal for work trucks hauling heavy payloads daily.
SuperCoils – Heavy-duty coil spring replacements that restore ride height and handling in vehicles with permanent front or rear loads — perfect for snowplows, cranes, or vans outfitted with shelving and tanks.
SumoSprings – Progressive polyurethane springs that offer airless support for both front and rear axles. They soften nose dive under braking and cushion trailers or cargo shifts — with no maintenance, ever.
HD Trailer SumoSprings – Progressive, bolt-on springs for commercial trailers. Reduce sway, protect cargo, and extend trailer frame life — rated for up to 8,000 lbs per axle.
Installed on a 2000 F350 2WD dually with a 9′ Reading Utility Body and 280k miles on the original front springs. Always loaded with tools, the truck had developed a rake from sagging springs. The new SSC-31 springs lifted the front 2″, with an expected small settle. Ride quality is much improved, body roll reduced, and handling is better on tight ramps. Slight \0/ camber but tracks straight; alignment planned after new KYB MonoMax shocks. Install took under 2 hours with an impact gun.
Put these on a 2001 chevy 3500 that is carrying a 600 gallon tank water/poop tank on it for sucking out porta potties. These sumo springs do their job and provide extra spring so the back isn’t super saggy. This is the 3rd pair of sumo springs that I’ve put on a truck and they are all still working great.
I recently installed a heavy-duty commercial Class 5 hitch on my 2004 Dodge Ram to handle the task of towing my Massey Ferguson 1455 tractor. The difference in towing performance was immediate and impressive — the truck feels more stable, confident, and in control, even with a full load behind it. Braking feels more predictable, and sway is noticeably reduced on the highway.
When I’m not towing, the ride is a little stiffer and rougher than before, which is expected with a hitch designed for such heavy loads. While it’s not as cushioned during daily driving, the trade-off is well worth it for the boost in capability, safety, and peace of mind when hauling the tractor.
From pavement to jobsite, we keep your vehicles performing.
Support for plows, salt spreaders, and heavy front-end loads.
Keep ride height and control while carrying heavy tools and material.
Reduce bottoming out and maintain stability under shifting cargo.
Handle machines, mulch, and mounted equipment with ease.
SuperSprings International products are proven in fleets, field-tested by contractors, and trusted by upfitters across industries. Whether you’re towing, hauling, plowing, or delivering, our airless systems reduce downtime, improve handling, and extend vehicle lifespan — without compressors, leaks, or maintenance worries.
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