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Trailer Axles
Browse our range of Trailer Axles manufactured by BPW. We have options in 1500kg and 1800kg specifications. We can also fit your new axle for a small fee.
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What is an axle on a trailer?
An axle on a trailer is the central shaft (a long, round steel bar or tube) that connects the trailer’s wheels and supports the trailer’s weight. It allows the wheels to rotate and keeps them aligned so the trailer can roll smoothly behind a tow vehicle.
In simple terms:
The axle is to the trailer what a spine is to the body—it holds everything up and keeps things in line.
What the axle does:
Supports weight: Carries the load of the trailer and cargo.
Holds wheels in place: The wheels mount to the ends of the axle.
Allows movement: Provides a stable pivot for wheel rotation.
Types of trailer axles:
Leaf-spring axles: Traditional design using metal springs.
Torsion axles: Use rubber cords inside a tube for suspension—smoother and quieter.
Straight axles: A straight bar from wheel to wheel.
Drop axles: Have a bend (“drop”) to lower the trailer’s deck height.
Where to find it:
Look underneath your trailer—it’s the long bar running across from the left wheel to the right wheel.
If you want, I can explain how to identify what type of axle your trailer has or how to determine its weight rating.
What Makes BPW Axles Stand Out — Key Features & Design Strengths
Wide range of load capacities and axle types: BPW offers axles suitable for light-duty trailers up to heavy haulage rigs. Their rigid axles cover applications from about 5.5 tonnes up to 20 tonnes per axle.
Choice of brake and suspension options: BPW axles can be configured with either disc or drum brakes, and with air or mechanical (traditional spring) suspension.
Corrosion resistance and durability: The axle beams are treated with a corrosion-resistant coating (a cataphoretic dip-coating, often referenced as “KTL Zn” or zinc-phosphating) — including in hard-to-reach internal cavities — which helps protect against rust and stone chip damage.
High strength-to-weight ratio: For example, newer BPW rigid axles under their “ECO Plus 3” programme were optimised to reduce unladen (empty) weight by up to 25 kg per axle, giving trailers more payload capacity for the same gross weight.
Service-friendly design: Standardised bearings (DIN ISO tapered roller bearings) make hub removal and maintenance easier. This contributes to long service life and easier repairs/maintenance when needed.
In short: BPW axles are engineered to be strong, durable, versatile and relatively lightweight, which makes them suitable for a broad range of trailers — from general-purpose trailers to heavy-duty low-loaders or semi-trailers.
Browse our full range of BPW Trailer Parts.
