High-Capacity Fitment
315/80R22.5 size with 20PR / Load Range L for demanding commercial applications.
All Position Tires
Commercial Truck All-Position Tires
One Tire Category. Multiple Approved Applications.
All-position tires help fleets and dealers cover multiple approved applications when the tire is properly matched to the job.
Choose by load, axle position, route, rim, pressure, and application.
Application Selector
Which All-Position Tire Fits the Job?
Jump to the tire that best matches the load, route, surface, and approved axle position.
MP991 AP
Best For: High-capacity commercial applications.
Main Advantage: 20PR / Load Range L with 10,000 lb single max load.
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MP991
Best For: Highway and regional all-position flexibility.
Main Advantage: Five-rib stability, ride comfort, wet control, and even wear.
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MP722
Best For: Regional, high-scrub, cut-and-chip service.
Main Advantage: Zig-zag grooves, high-scrub compound, and stone resistance.
View tireHigh-Capacity All-Position Commercial Truck Tire
MP991 AP
The MP991 AP is a high-capacity all-position commercial truck tire designed for demanding applications where load capacity matters. It is the heavy-duty all-position option in the Muscle Power lineup, with live specifications showing 315/80R22.5, 20PR, Load Range L, 161/157L, and 10,000 lb single max load.
Use MP991 AP when the application calls for a strong all-position tire with high load-carrying capability, special compound durability, and manufacturer-direct value.
- 315/80R22.5 high-capacity fitment
- 20PR / Load Range L construction category
- 10,000 lb single max load when properly matched
- Special compound for on/off service needs
A high-capacity tire still must be matched to the correct axle position, rim, load, inflation pressure, route, and vehicle application.
MP991 AP Front View
MP991 AP Angle View
MP991 AP Side ViewMP991 AP Features and What They Mean
10,000 lb Single Max Load
Built for heavy single-tire load requirements when used within rated conditions.
Special On/Off Service Compound
Compound designed to support applications that may see both paved roads and tougher service conditions.
All-Position Flexibility
Designed for applications where a high-capacity all-position tire is needed.
MP991 AP Specifications
| Size | Ply Rating | Load Range | Load Index | Speed Symbol | Outside Diameter | Section Width | Tread Depth 32nds | Rim | Single Max Load/Pressure | Dual Max Load/Pressure | Static Load Radius | Revs Per Mile | Weight lbs | Tire Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 315/80R22.5 | 20PR | L | 161/157L | L | 42.36 | 12.4 | 21 | 8.25 | 10000/130psi | 9090/130psi | 20.1 | 480 | 144.7 | TL |
MP991 Front View
MP991 Angle View
MP991 Side ViewRib-Style Highway and Regional All-Position Tire
MP991
The MP991 is a rib-style commercial truck tire for highway and regional applications where ride comfort, stability, handling, wet-road control, and even wear are important. Its five-rib design, siping, and wide footprint make it a versatile choice for fleets that need predictable performance across approved positions and common fleet sizes.
On the All Position page, MP991 is positioned as a flexible rib-style tire for highway and regional use, not as a duplicate of the Steer Tires page.
- Five-rib highway design
- Wide footprint for consistent road contact
- Siping for wet control and heat dispersion
- Multiple common fleet sizes
MP991 overlaps with steer-style applications, but on this page it is presented as an all-position / fleet-flexibility option for approved uses.
MP991 Features and What They Mean
Five-Rib Highway Design
Supports straight-line stability, ride comfort, and predictable road contact.
Wide Footprint
Promotes handling stability and consistent contact in highway and regional use.
Siping for Wet Control
Helps support traction and heat dispersion across the tread surface.
Common Fleet Sizes
Available in multiple commercial sizes for flexible dealer and fleet stocking.
MP991 Specifications
| Size | Ply Rating | Load Range | Load Index | Speed Symbol | Outside Diameter | Section Width | Tread Depth 32nds | Rim | Single Max Load/Pressure | Dual Max Load/Pressure | Static Load Radius | Revs Per Mile | Weight lbs | Tire Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11R22.5 | 16 | H | 146/143 | L | 41.22 | 11 | 18 | 8.25 | 6610/120psi | 6005/120psi | 20.1 | 486 | 111.6 | TL |
| 11R24.5 | 16 | H | 149/146 | L | 41.43 | 11 | 18 | 8.25 | 7160/120psi | 6610/120psi | 21.1 | 466 | 119.6 | TL |
| 295/75R22.5 | 14 | G | 144/141 | L | 39.92 | 11.7 | 18 | 9 | 6175/110psi | 5675/110psi | 19.4 | 498 | 107 | TL |
| 285/75R24.5 | 14 | G | 144/141 | L | 41.2 | 11.1 | 18 | 8.25 | 6175/110psi | 5675/110psi | 19.8 | 485 | 112.2 | TL |
| 255/70R22.5 | 16 | H | 140/137 | M | 36.5 | 10 | 18 | 8.25 | 5510/120psi | 5070/110psi | 17.3 | 567 | 85.1 | TL |
Regional Service Focus
MP722
Zig-Zag Regional / Cut-and-Chip All-Position Tire
The MP722 is a zig-zag regional / cut-and-chip all-position tire built for routes that see more than clean highway miles. It is designed for yards, terminals, local routes, gravel lots, curbs, rough pavement, and mixed regional service.
Its zig-zag groove design, high-scrub compound, and stone-resistance focus make MP722 the most specialized all-position tire in this lineup.
- Zig-zag groove design for regional service
- High-scrub compound for local and mixed routes
- Stone retention resistance for rougher environments
- Cut-and-chip durability for tougher surfaces
MP722 is the all-position choice when the job is not just highway stability, but regional durability.
MP722 Front View
MP722 Angle View
MP722 Side ViewFor fleets and dealers, MP722 fills the gap between a standard highway rib tire and a more aggressive specialty tire. It is the better fit when the customer's biggest problem is not just stability, but regional durability - scrub, cuts, chips, stone retention, and uneven wear caused by demanding local or mixed-service routes.
MP722 Features and What They Mean
Zig-Zag Groove Design
Helps create a tougher tread pattern for regional service, yard movement, and mixed road conditions.
High-Scrub Compound
Designed for applications where turning, local routes, curbs, and tighter operating conditions can accelerate wear.
Stone Retention Resistance
Groove design helps reduce stone retention and protect casing value in rougher operating environments.
Regional Service Fit
A strong option for local, regional, and mixed-service fleets that need more durability than a standard highway rib tire.
Cut-and-Chip Durability
Built for tougher surfaces where cuts, chips, and surface abuse are more common than clean highway miles.
Dealer Differentiation
Gives dealers a more specialized all-position option for customers who operate in mixed regional conditions.
MP722 Specifications
Always confirm final load and speed requirements with the official tire specification sheet.
| Size | Ply Rating | Load Range | Load Index | Speed Symbol | Outside Diameter | Section Width | Tread Depth 32nds | Rim | Single Max Load/Pressure | Dual Max Load/Pressure | Static Load Radius | Revs Per Mile | Weight lbs | Tire Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11R22.5 | 16PR | H | 146/143M | L | 41.22 | 11 | 19 | 8.25 | 6610/120psi | 6005/120psi | 20.1 | 486 | 116 | TL |
All-Position Problem Solving
Common All-Position Tire Problems These Models Help Address
| Problem | Why It Happens | Best MP Option |
|---|---|---|
| Emergency Tire Availability | Fleets and dealers may run out of a dedicated steer, drive, or trailer pattern when a truck needs to get back on the road quickly. | Stock all-position options as backup inventory for approved emergency fitments. |
| Heavy Single-Tire Load Requirements | Some applications need more load capacity than standard sizes. | MP991 AP |
| Scrub and Local-Route Wear | Regional routes, yards, curbs, and turns can wear tires faster. | MP722 |
| Stone Retention | Gravel, yards, terminals, and rougher roads can trap stones in grooves. | MP722 |
| Highway Stability Needs | Fleets need predictable ride, wet control, and even wear. | MP991 |
| Mixed Application Uncertainty | One fleet may operate across different routes and conditions. | Compare all three by application |
Are You a Tire Dealer, Distributor, or Fleet Buyer?
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All-Position Tire Education
Choosing the Right All-Position Tire
What Does All Position Really Mean?
Click image to enlarge
Steer / Drive / Trailer
Approved axle use depends on the tire and application.
Regional / Mixed Service
Route and surface conditions matter.
Specialty Applications
High capacity and tougher service need careful matching.
Correct Application Matching
Size, load, rim, pressure, and route decide fit.
All-position does not mean one tire is automatically perfect for every axle, every route, and every load. It means the tire is designed for approved use across more than one commercial truck position or application, depending on size, load index, rim, inflation pressure, route, vehicle type, and fleet requirements.
For fleets and dealers, all-position tires can simplify stocking and give more flexibility when matching tires to steer, drive, trailer, regional, mixed-service, or specialty applications. But the correct tire still depends on the job. MP991 AP, MP991, and MP722 solve different all-position needs.
When Should a Fleet Choose All-Position Tires?
Click image to enlarge
Fewer SKUs
Reduce narrow-use tire inventory.
More Application Coverage
Serve common approved applications with fewer patterns.
Better Dealer Stocking
Help dealers cover more customer needs.
Faster Fleet Matching
Match the tire to size, load, route, and axle position.
A fleet should consider all-position tires when it needs flexibility, simpler inventory, or a tire that can serve across approved applications without carrying too many specialized SKUs. This can be useful for dealers, regional fleets, service trucks, mixed-route operations, and fleets that need backup inventory flexibility.
All-position tires are especially valuable when the fleet wants to reduce stocking complexity. Instead of holding too many narrow-use tires, a dealer or fleet may use a smaller group of versatile patterns that cover the most common applications.
But all-position does not replace correct application matching. A tire still must fit the axle, load, rim, speed, inflation pressure, and route. For heavy single-load requirements, MP991 AP is the stronger fit. For highway and regional rib-style use, MP991 is the core option. For regional scrub, stones, and mixed-service conditions, MP722 deserves special attention.
MP991 AP vs MP991 vs MP722: Which One Fits?
Click image to enlarge
MP991 AP
Heavy capacity.
MP991
Highway / regional stability.
MP722
Zig-zag / cut-and-chip regional service.
MP991 AP is the high-capacity all-position option. It is the stronger fit when the application requires a heavy-duty all-position tire with high single-tire load capacity.
MP991 is the highway and regional rib-style option. Its five-rib design supports ride comfort, stability, wet-road control, and even wear across common commercial sizes.
MP722 is the regional cut-and-chip option. Its zig-zag grooves and high-scrub compound are designed for regional service conditions, with grooves that resist stone retention and promote even wear.
Choose MP991 AP for heavy capacity, MP991 for highway / regional stability, and MP722 for zig-zag / cut-and-chip regional service.
Why the MP722 Zig-Zag Tire Deserves Attention
Click image to enlarge
Zig-Zag Grooves
Tougher tread pattern for mixed routes.
High-Scrub Compound
Built for turning and local work.
Stone Resistance
Grooves help resist stone retention.
Regional Durability
For routes that are not just clean highway miles.
Regional service tires face a different kind of abuse than clean highway tires. Trucks may run through yards, terminals, rough pavement, gravel lots, local routes, tight turns, curbs, delivery sites, and mixed surfaces. These conditions can create scrub, cuts, chips, stone retention, and irregular wear.
The MP722 is built for that type of work. Its zig-zag groove design helps create a tougher regional tread pattern, while the high-scrub compound is intended for conditions where turning, local work, and surface abuse can shorten tire life. The grooves also help resist stone retention and promote even wear.
For fleets and dealers, MP722 is important because it covers a problem that the standard highway-style all-position tire may not fully solve. It is the all-position choice when the job is not just highway stability, but regional durability.
How to Read All-Position Tire Specifications
Commercial truck tire specifications help match the tire to the correct axle position, load, rim, speed, inflation pressure, route, and application. The table numbers are not just technical details - they determine whether the tire fits the job safely and correctly.
Tire Size
A size such as 295/75R22.5 or 11R22.5 tells you the tire's width, sidewall/profile format, construction type, and rim diameter. The tire size must match the wheel, vehicle, axle position, and application.
Ply Rating / PR
Ply rating is a strength/load category used in commercial truck tires. In modern radial tires, it does not always mean the tire literally has that number of physical plies. Higher ply rating usually indicates a higher load-carrying category, but the load index and inflation rating are what connect the tire to actual carrying capacity.
Load Range
Load Range is another way to describe the tire's load-carrying category. Letters such as G, H, or L identify different strength/load categories. A higher load range can support heavier-duty applications when matched with the proper rim, pressure, and vehicle requirements.
Load Index
Load index connects the tire to its rated carrying capacity. In a service description like 144/141L, the first number is the single-tire load index, the second number is the dual-tire load index, and L is the speed symbol.
The dual number is lower because it is rated per tire in a dual assembly, where heat and load sharing are different.
Speed Symbol
The speed symbol is the letter at the end of the service description. For example, L commonly indicates up to 75 mph and M commonly indicates up to 81 mph when the tire is properly inflated and operated within its rated load and service conditions. Speed rating does not override route, heat, load, inflation, or maintenance limits.
Tread Depth
Tread depth is usually shown in 32nds of an inch. Deeper tread can help in regional or mixed-service applications, while rib-style highway tires may focus more on stability, wet-road contact, and even wear. Tread depth should be matched to the route and application.
Max Load and Inflation Pressure
Maximum load is only valid at the required inflation pressure and within the tire's rated conditions. A tire cannot carry its maximum rated load unless it is properly inflated and matched to the correct rim, axle, and vehicle requirements.
Application Matching
The right all-position tire is not simply the tire with the highest ply rating, deepest tread, or most aggressive pattern. The correct tire must match the axle position, load, rim, inflation pressure, speed requirement, route, road surface, and maintenance program.
Tire Position Guide
Need a Dedicated Tire Position?
Compare Muscle Power tire options by axle position: Steer Tires for front axle control and stability, Drive Tires for traction and torque, Trailer Tires for free-rolling trailer axle durability, and Intermodal Tires for container, chassis, port, and drayage work.
All-Position Tire FAQ
Common Questions About Muscle Power All-Position Tires
What does all-position mean on a commercial truck tire?
An all-position commercial truck tire is designed for approved use across more than one axle position or application, depending on the tire size, load index, rim, inflation pressure, route, and vehicle requirements. It does not mean the same tire is automatically correct for every axle or every route. All-position tires are useful for fleets and dealers that need flexibility, backup inventory, and simplified stocking, but the tire still has to be matched correctly to the job.
Can an all-position tire be used on the steer axle?
Yes, some all-position tires can be used on the steer axle when the tire size, load index, rim, inflation pressure, and vehicle application match the truck's requirements. Rib-style patterns such as MP991 are often chosen for applications where straight-line stability, wet-road contact, ride comfort, and even wear matter. However, final steer axle fitment should always be confirmed against the vehicle requirements and official tire specifications.
Can an all-position tire be used as a drive tire?
Yes, an all-position tire can be used in a drive position when it is approved for the application and properly matched to the truck's size, load, rim, inflation pressure, route, and traction needs. However, a dedicated drive tire is usually the better choice when the main requirement is maximum traction, torque transfer, mud/snow grip, off-road bite, or severe drive-axle service. All-position tires are best used where flexibility and correct application fit matter more than maximum drive traction.
Can an all-position tire be used on trailer axles?
Yes, an all-position tire may be used on trailer axles when the size, load rating, inflation pressure, rim, and route match the trailer requirements. This can be useful for fleets that need flexible backup inventory or simplified stocking. For trailer fleets focused specifically on free-rolling trailer axle wear, scrub resistance, low rolling resistance, and casing protection, a dedicated trailer tire such as MP993 may be a stronger fit.
What is MP991 AP best for?
MP991 AP is the high-capacity all-position option in the Muscle Power lineup. It is listed in 315/80R22.5 with 20PR, Load Range L, 161/157L, and 10,000 lb single max load at 130 psi. This makes it a strong fit for demanding applications where high load-carrying capacity is the priority. It should still be matched to the correct axle position, rim, inflation pressure, route, and vehicle application.
What is MP991 best for on the All Position page?
MP991 is the rib-style highway and regional all-position option. It is best for applications where stability, ride comfort, wet-road control, and even wear are important. MP991 overlaps with steer-style tire needs, but on the All Position page it should be understood as a flexible rib-pattern option for fleets and dealers that need common commercial sizes and predictable highway/regional performance.
What is MP722 best for?
MP722 is best for regional and mixed-service applications where the tire may face scrub, stones, rough pavement, gravel lots, local routes, yards, curbs, and delivery sites. Its zig-zag groove design and high-scrub compound make it the most unique tire on the All Position page. It is the better choice when a customer needs more regional durability than a standard highway rib-style tire.
Why does the MP722 zig-zag tread matter?
The MP722 zig-zag tread pattern is designed to help the tire handle tougher regional service conditions. Zig-zag grooves help create biting edges, support even wear, and reduce stone retention compared with simpler rib-style patterns. Combined with a high-scrub compound, MP722 is aimed at applications where turning, curbs, yards, gravel, rough pavement, and mixed road surfaces can shorten tire life.
How should dealers choose between MP991 AP, MP991, and MP722?
Dealers should choose based on the customer's application, not just tire size or price. MP991 AP is the high-capacity option for demanding load requirements. MP991 is the rib-style highway/regional option for stability, ride comfort, wet contact, and common fleet sizes. MP722 is the regional cut-and-chip option for customers dealing with scrub, stones, rougher surfaces, and mixed-service routes. The best recommendation depends on axle position, load, rim, inflation pressure, route, and maintenance practices.
Should fleets stock all-position tires for emergencies?
Yes, all-position tires can be useful as backup inventory when a dedicated tire pattern is temporarily unavailable and the all-position tire is approved for the specific fitment. This can help fleets and dealers respond faster when a truck needs to get back on the road. The tire still must match the required size, load index, rim, inflation pressure, axle position, route, and operating conditions.
Ready to Buy or Partner with Muscle Power Tires?
Muscle Power Tires is a manufacturer-direct commercial truck tire brand. We work primarily with wholesale distributors, tire dealers, and large truck fleets. For single-truck or small retail purchases, please buy online when available or contact a local dealer/distributor carrying Muscle Power products.