Trailer Mudguards & Fenders

Steel vs. Plastic Mudguard — Which Fits Your Route

Steel mudguards — sold as steel trailer fenders or metal trailer fenders in North American markets — take a hit and hold their shape, the right call for heavy duty trailer fenders on lowbed and heavy-haul routes running rock, scrap or construction loads where a plastic fender would crack the first month. We roll them from 1.5-2mm steel, shot-blast and finish with a zinc-primer and powder coat build that gives the same corrosion resistance buyers look for in galvanized trailer fenders, matched to our wheel rims, so they don't rust through from the inside where road salt and mud sit against bare metal.

Plastic mudguards cost less, weigh a fraction of steel, and never rust — the practical choice for flatbed and tanker fleets running mostly sealed highway where impact risk is low and every kilogram of tare weight matters for payload. Our plastic fender compound is UV-stabilized so it doesn't go brittle and crack in tropical sun, and it stays flexible down to -30°C for buyers running cold routes. Whichever material you choose, fitting the correct fender on trailer chassis rail geometry matters as much as the material itself — a fender mounted too close to the tire rubs at full suspension travel, while one mounted too far back leaves the gap the spray suppression is meant to close.

Half Fender, Full Fender, or Tandem Fender

A half fender covers the top and rear quarter of the tire — enough to knock down spray on a single-axle trailer but not full coverage. A full fender wraps further forward and down the sides, the standard spec for most flatbed and tanker builds where following-vehicle spray and debris matter for regulatory compliance in EU and Middle East markets. For the heavy duty trailer fenders tandem and tridem axle groups need, tandem trailer fenders and tridem fender units span the full wheel group on multi-axle trailers in one continuous piece, mounted on a single bracket assembly rather than two or three separate fenders bolted side by side.

We size the fender span to your axle spacing and tire diameter — send us the axle centers and tire size (11R22.5, 12R22.5, 295/80R22.5, all covered under our trailer tire range) and we cut the fender to fit rather than shipping a generic length you trim on site. These trailer wheel mudguards are only as effective as their fit to the actual tire — undersize the span and spray still gets past the edges, oversize it and the fender fouls suspension travel or road debris on tight turns.

Bolt-On Brackets — No Welding on Your Chassis

Every mudguard ships with its mounting bracket pre-drilled to bolt onto standard chassis rail without cutting or welding, which matters if you're retrofitting an existing fleet rather than speccing a new build. Brackets are galvanized or powder-coated steel depending on the fender material ordered, sized for the bolt spacing common on Fuwa, BPW and locally-fabricated chassis across African and Middle Eastern trailer builds.

For buyers who prefer a fixed weld-on mount for permanent installation on new-build trailers, we supply the bracket in raw steel ready for your welder — same fender, different mount method, tell us which when you order.

Aluminum Diamond-Plate Fenders for Light & Utility Trailers

Aluminum trailer fenders in diamond plate finish are the standard for boat, car and utility trailers under about 7,000 lb GVW, where corrosion resistance and low weight matter more than the impact toughness a steel semi-trailer fender needs. We cut them in single axle trailer fenders spans for one wheel, dual axle trailer fenders (also called double axle trailer fenders) spanning two wheels under one shield, and triple axle trailer fenders for tridem utility and equipment trailers, all in the same diamond plate trailer fenders aluminum sold either mill-finish or with a clear coat against salt water.

Tandem axle trailer fenders — aluminum trailer fenders tandem, specifically — are the highest-volume size we cut for this line, and the 72 inch trailer fender is close to an industry-standard length for tandem-axle boat and utility trailers. Order it as a plain 72 trailer fenders pair, or as tandem axle trailer fenders with back plate (also sold as 72 tandem trailer fenders with backs) when you want the mounting flange already welded on rather than fabricated on site. A shorter tandem axle fenders option covers narrower trailers where the full 72-inch span would overhang the frame.

Buyers cross-shopping this size range usually search for it by application rather than material — car trailer fenders for flatbed and tilt-deck trailers hauling vehicles, jet ski trailer fenders and teardrop trailer fenders on the smaller end, and dump trailer fenders on utility dump trailers running gravel and yard debris. Enclosed trailer fenders on cargo trailers usually run the smallest single axle trailer fenders spec in this range, tucked tight under the skirt to keep the trailer's overall width down.

Small trailer fenders in this range are sold as removable trailer fenders too — a quick-release bracket that unbolts for loading dock clearance or trailer washdown without removing the whole mounting arm. For buyers cross-referencing against EZ Loader trailer fenders on a boat trailer, we cut the same diamond-plate profile and bolt pattern as a compatible replacement rather than a generic universal shape, and for anyone comparing against retail options like Northern Tool trailer fenders or the trailer fenders Canadian Tire stocks off the shelf, ours ship factory-direct in container quantities at the same aluminum diamond-plate spec.

Replacing Damaged Fenders Without Downtime

Fenders take the first hit from road debris, low branches and loading dock contact, and a cracked or torn mudguard isn't just cosmetic — it's a compliance issue in markets that inspect for spray suppression, and it exposes brake lines and wiring harnesses mounted nearby to direct road spray. We stock standard sizes of replacement trailer fenders for same-week shipment so a damaged fender doesn't keep a trailer parked waiting on a custom part. We keep steel and plastic trailer fenders for sale in every standard half, full and tandem size, so a damaged unit ships fast rather than waiting on a custom production run.

Fleets running mixed trailer ages often standardize on one fender spec across the yard specifically so a damaged unit swaps in from spare stock without matching to the original OEM part number.