Plastic and stainless steel mudguards can both be used on trucks and trailers, but they provide different material, design and finish options.
RHINO supplies both plastic and stainless steel mudguards. This guide does not treat either material as universally better; the appropriate choice depends on the vehicle specification and application.
Quick comparison
| Factor | RHINO plastic | RHINO stainless steel |
|---|---|---|
| Material | Polyethylene, including selected recycled-plastic options | Stainless steel |
| Manufacturing form | Rotationally moulded | Formed metal guard |
| Colour | Multiple colours on selected products | Stainless metal finish |
| Design options | Moulded profiles and multiple configurations | Smooth, ribbed and rod-edged options in the current range |
| Recycled option | Available on selected products | Not covered by this comparison |
| UV information | RHINO publishes specific plastic UV-performance information | Not the same selection issue as pigmented polyethylene |
| Correct sizing required | Yes | Yes |
Always check the individual product rather than assuming every material is available in every size or configuration.
RHINO plastic mudguards
RHINO plastic mudguards are rotationally moulded using polyethylene. The range includes virgin-plastic products and selected recycled-plastic options.
Plastic products are available across multiple truck and trailer configurations, including single, dual, tandem, quarter and self-steer applications.
Selected plastic mudguards are also available in multiple colours. This can make plastic relevant where fleet colour or vehicle presentation forms part of the specification.
RHINO stainless steel mudguards
Stainless steel provides a metal mudguard option where a stainless finish suits the truck or trailer specification.
RHINO's current range includes stainless products in smooth, ribbed and rod-edged designs, with the exact sizes and configurations depending on the individual product.
Difference 1: colour and finish
One of the clearest practical differences is the finish.
Selected plastic mudguards provide colour choices. Stainless steel provides a stainless metal finish.
Where vehicle colour forms part of the fleet specification, plastic may provide suitable options. Where the desired specification is a stainless appearance, the stainless range provides the relevant material choice.
Difference 2: manufacturing and form
RHINO plastic guards are rotationally moulded from polyethylene. Stainless-steel guards are manufactured as formed metal products.
Because the manufacturing systems and materials differ, compare actual product profiles and specifications rather than assuming plastic and stainless versions are physically identical.
Difference 3: configuration availability
RHINO's plastic range includes a broad selection of configurations, including single, dual, tandem, quarter and self-steer products.
Stainless-steel options also cover multiple truck and trailer applications, but exact sizes and designs vary.
If wheel, tyre or axle arrangement drives the specification, check product availability before deciding on material.
Difference 4: UV and colour performance
UV exposure is relevant to coloured plastic products because prolonged sunlight can affect polymers and pigments.
RHINO publishes information about the UV performance of the polyethylene and pigments used in its plastic mudguards.
This is not the same selection issue for stainless steel because it is not a pigmented polyethylene product.
Difference 5: recycled-plastic availability
Selected RHINO plastic products are available using recycled plastic. This creates an additional procurement consideration for fleets where recycled material forms part of their purchasing or environmental objectives.
Check the current product specification because recycled-plastic availability can vary by product.
What about durability?
Durability should be assessed using evidence for the specific product, material and application.
RHINO publishes performance information for its rotationally moulded plastic products. That information should not automatically be converted into a claim that plastic is more durable than stainless steel unless a direct, like-for-like comparison supports that conclusion.
Similarly, stainless steel should not automatically be treated as the better choice simply because it is metal.
Which material should a fleet consider?
Plastic may be considered where:
- a suitable plastic size and configuration is available
- fleet colour is important
- a rotationally moulded plastic design suits the application
- a selected recycled-plastic option is relevant
- RHINO's published plastic material characteristics suit the specification.
Stainless steel may be considered where:
- a stainless metal appearance is specified
- a particular stainless profile or design is required
- the product needs to match other stainless vehicle components
- an appropriate stainless size and configuration is available.
Check fit before making the final choice
Use wheel and tyre information, guard dimensions and required clearance to establish suitable products before making the final material decision.
Use the RHINO Tyre Size Guide or read How to Choose the Right Truck Mudguard Material .
Frequently asked questions
Is plastic better than stainless steel for truck mudguards?
Not in every application. The appropriate choice depends on fit, required configuration, operating requirements, appearance and the available product options.
Are plastic truck mudguards available in fleet colours?
RHINO offers multiple colours across selected plastic mudguards. Confirm the current product and colour combination before specification.
Do plastic mudguards fade?
UV exposure is relevant to plastic products. RHINO publishes specific information about the UV protection and pigment performance used in its plastic mudguards.
Which material costs less?
Price depends on the individual product, dimensions and specification. Compare current pricing rather than assuming one material will always have a lower initial or whole-of-life cost.