Description
Buy Dunlop 315/70R22.5 SP446 Truck Tyre
The Dunlop 315/70R22.5 SP446 is a heavy-duty regional truck tyre designed for commercial vehicles operating across demanding road conditions. Combining a radial construction with a high load capacity and a 22.5-inch wheel diameter, the SP446 is suited to applications where dependable performance, durability and consistent road contact are important.
With a 315/70R22.5 tyre size, 154/152 load index rating, M speed rating and tubeless construction, this Dunlop tyre is designed for serious commercial vehicle applications. It is specified for rear axle use and is classified as a regional tyre, making it a practical option for trucks and commercial fleets covering a mixture of urban, regional and highway routes.
Dunlop SP446 315/70R22.5 – Key Specifications
- Brand: Dunlop
- Model: SP446
- Tyre size: 315/70R22.5
- Wheel diameter: 22.5 inches
- Load index: 154 / 152
- Speed rating: M
- Construction: Radial
- Tube type: Tubeless (TL)
- Application: Regional
- Axle position: Rear axle
- Condition: New
- Availability: Available
- Tyre width: 315 mm
- Tyre profile: 70
- Mounting: Tyre mounting possible
Built for Commercial Truck Applications
Choosing the correct truck tyre is important for maintaining vehicle performance, load capability and operating efficiency. The Dunlop SP446 in 315/70R22.5 is designed around the requirements of commercial vehicles that regularly operate under demanding working conditions.
The 315 mm section width provides a substantial road-contact footprint, while the 70-series profile offers a balance between tyre height, handling characteristics and commercial vehicle requirements.
Its 22.5-inch specification is widely associated with heavy commercial truck applications, making the SP446 a suitable consideration for fleets looking for a new regional-use tyre in this size.
315/70R22.5 Regional Truck Tyre
The 315/70R22.5 Dunlop SP446 is classified for regional applications. Regional trucking can involve a combination of stop-start driving, urban roads, highways and longer-distance routes.
A tyre used in these conditions needs to provide a suitable combination of durability, load capability and predictable handling.
The SP446 specification makes it particularly relevant to operators looking for a commercial rear-axle tyre in the 315/70R22.5 format.
Whether you operate a single truck or manage a larger commercial fleet, selecting the correct tyre specification can help ensure the tyre is properly matched to the vehicle and operating environment.
High Load Capacity
One of the important specifications of the Dunlop SP446 is its 154/152 load index.
Load index is a critical consideration when selecting tyres for trucks because the tyre must be appropriate for the loads imposed on the axle and vehicle.
The dual load-index specification reflects the tyre’s rated application for different axle configurations. Always compare the tyre specification against the vehicle manufacturer’s requirements and the applicable axle-load limits before fitting.
315/70R22.5 Tubeless Radial Construction
The SP446 uses radial construction and a tubeless (TL) configuration.
Radial truck tyres are widely used in modern commercial transport because of their suitability for heavy-duty road applications. The tubeless design also simplifies the tyre configuration compared with traditional tube-type systems.
When replacing commercial truck tyres, it is important to match the tyre size, construction, load index, speed rating and axle position with the vehicle manufacturer’s specifications.
Designed for Rear Axle Applications
The supplied specification identifies the Dunlop SP446 315/70R22.5 as a rear axle application.
Rear-axle tyres can experience significant loads and stresses, particularly on commercial vehicles transporting heavy cargo. Choosing a tyre with an appropriate load rating and application classification is therefore essential.
Fleet operators should always verify axle compatibility before installation rather than relying solely on tyre size.
New Dunlop Commercial Truck Tyre
This listing specifies the tyre as new, providing commercial operators with an option for replacing worn or unsuitable tyres while maintaining the required 315/70R22.5 specification.
New tyres should be inspected before installation and fitted by a qualified tyre professional. Correct mounting, inflation and balancing are important parts of maintaining safe commercial-vehicle operation.
Tyre Mounting Available
Tyre mounting is possible, making this product suitable for customers looking for both the correct replacement tyre and professional fitting assistance.
Professional installation can help ensure that the tyre is mounted correctly and that the wheel and tyre assembly is checked before the vehicle returns to service.
Why Choose a 315/70R22.5 Truck Tyre?
The 315/70R22.5 specification is designed for heavy commercial vehicle applications and provides a combination of substantial tyre width and a relatively low-profile construction compared with some other truck tyre sizes.
When choosing a replacement tyre, buyers should consider:
- Vehicle manufacturer specifications
- Axle position
- Maximum axle load
- Load index
- Speed rating
- Operating environment
- Regional versus long-haul requirements
- Tyre construction
- Wheel compatibility
- Local commercial-vehicle regulations
The correct tyre specification can help ensure compatibility and appropriate performance for the vehicle’s intended application.
Dunlop SP446 for Fleets and Commercial Vehicles
For fleet operators, tyre selection is an important part of vehicle maintenance. Commercial tyres need to be matched to the vehicle, axle and operating conditions rather than selected purely on price or appearance.
The Dunlop SP446 315/70R22.5 provides a clearly defined commercial specification, including a 154/152 load index, M speed rating, radial construction and tubeless configuration.
These specifications allow fleet managers and commercial vehicle operators to compare the tyre against their existing equipment and manufacturer requirements.
Important Fitment Information
Before purchasing or installing a commercial truck tyre, confirm that the 315/70R22.5 specification is approved for your vehicle and axle.
Check the following:
- Tyre size requirements
- Recommended load index
- Required speed rating
- Axle position
- Wheel diameter and compatibility
- Vehicle manufacturer’s tyre recommendations
- Local commercial vehicle requirements
If you are unsure whether this tyre is suitable for your truck, consult the vehicle manufacturer, fleet manager or qualified tyre professional.
Dunlop 315/70R22.5 SP446 – Product Summary
The Dunlop 315/70R22.5 SP446 is a new regional commercial truck tyre with a 315 mm width, 70-series profile and 22.5-inch wheel diameter. It features 154/152 load indexes, an M speed rating, radial construction and tubeless configuration, with the supplied specification identifying it for rear-axle use.
For commercial operators searching for a 315/70R22.5 truck tyre, the SP446 provides a clearly defined specification suitable for comparison with vehicle and fleet requirements.
Professional tyre mounting is available, helping customers streamline the replacement process while ensuring that installation can be carried out correctly.
Always verify tyre compatibility, load requirements and axle application before installation.
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Product Highlights
Dunlop SP446 | 315/70R22.5 | New | Regional Application | Rear Axle | 154/152 Load Index | M Speed Rating | Radial | Tubeless | 22.5-Inch Wheel | Tyre Mounting Available
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