Typical Lifespan of Rubber Torsion Axles
Most quality torsion axles (Dexter, Lippert, Al-Ko, etc.) are designed to last 10–15 years under normal use. In many cases, they’ll go even longer before the rubber cords noticeably degrade.
What actually causes the rubber to “go bad”
The rubber inside a torsion axle doesn’t usually fail from age alone. It breaks down faster due to:
Constant overloading (running at or above max capacity all the time)
Long periods of sitting without movement (rubber takes a set)
Heat cycles from heavy use and high speeds
UV and weather exposure when trailers are stored outside year-round
Salt and chemicals (road salt, fertilizer, manure, lime, etc.)
Trailers that are used regularly but not overloaded often outlast trailers that sit unused for years.
Real-world expectations
Here’s what people typically see:
5–8 years: Still fine unless overloaded or abused
8–12 years: Some sagging may start on heavily used trailers
12–15+ years: Rubber may stiffen or lose rebound; axle may sit low
When torsion rubber degrades, it usually shows up as reduced ride height, harsher ride, or uneven tire wear—not sudden failure.
Signs a torsion axle is wearing out
Trailer sits lower than it used to
Wheels show excessive negative camber (tops leaning in)
Harsher ride or more bouncing when empty
Uneven or rapid tire wear
Important note: torsion axles are not rebuildable. When the rubber finally gives up, the axle is replaced—not repaired.
How to make torsion axles last longer
Don’t overload the trailer
Use the trailer periodically (even short trips help)
Store on a firm surface, not soft ground
Keep tires properly inflated
Avoid extended exposure to corrosive materials
Bottom line
If you’re buying or running a trailer with torsion axles and using it correctly, you shouldn’t expect rubber failure anytime soon. 10–15 years of service is normal, and many go well beyond that.
