The SEYOUN SYT803 is a premium commercial radial truck tire specifically engineered to deliver maximum performance on drive axles. Optimized for long-haul highway and regional transportation, the SYT803 combines a high-traction tread design with advanced heavy-duty compounding. It provides commercial trucks with the robust grip, powerful acceleration traction, and superior load-bearing security required for high-torque drive positions. It is the ultimate high-mileage, cost-per-mile solution designed to maximize fleet uptime and minimize operational costs under demanding conditions.
SYT803 Tread Pattern DesignSpecifically designed for the high-torque demands of the drive axle, the tread ribs are heavily siped with a high density of cross-sectional micro-grooves and lateral tread cuts. This matrix-like pattern generates thousands of sharp biting edges, providing exceptional dry/wet driving traction, immediate throttle response, and powerful braking grip without block chunking or tearing.
The drive position often suffers from severe scrubbing during acceleration and turning. The SYT803 addresses this with broad, solid outer shoulders integrated with side traction notches. This structure keeps the tire footprint perfectly flat against the asphalt, ensuring even pressure distribution to effectively eliminate irregular wear, heel-and-toe wear, and shoulder wiping.
Built on a high-tensile, full-steel belt carcass, the tire delivers outstanding high load capacity and structural endurance under heavy payloads. The deep groove bottoms feature specialized stone ejector blocks that actively prevent rocks from drilling into the steel belts, protecting the tire from premature casing fatigue and ensuring an excellent foundation for multiple retreads.
| Pattern | Size | PR | LI&SS | Overall Diameter(mm) |
Load Capacity(kg) | Inflation Pressure(kpa) | Section Width (mm) |
Standard Rim (inch) |
Tread Depth (mm) | |
| Single | Dual | |||||||||
| SYT803 | 12R22.5 | 18 | 152/149L | 1,085 | 3,550 | 3,250 | 930 | 300 | 9.00 | 21.5 |
| Available Sizes | ||||||
| 6.50R16LT | 9.00R20 | 11R24.5 | 13R22.5 | 245/70R17.5 | 295/60R22.5 | 295/75R22.5 |
| 7.00R16LT | 10.00R20 | 12.00R20 | 215/75R17.5 | 245/70R19.5 | 275/80R22.5 | 315/70R22.5 |
| 7.50R16LT | 11.00R20 | 12.00R24 | 225/80R17.5 | 265/70R19.5 | 295/80R22.5 | 385/65R22.5 |
| 8.25R16LT | 11R22.5 | 12R22.5 | 235/75R17.5 | 275/70R22.5 | 315/80R22.5 | 205/85R16LT |
1.High Wear Resistance 4.Long Mileage Performance
Special tread compound design extends tire life and reduces cost per km. Optimized footprint distbution promotes even wear and longer mileage.
2.Strong Traction Performance 5.Fuel Saving
Deep grooves and block design provide excellent grip on wet and dey roads. Low roling resistance design helps reduce fuel consumption.
3.High Load Capacity 6.Safe & Reliable
Reinforced carcass structure enpures high load capacity and durabllity. Superior stablity and braking performance ensure driving safety.
As a rubber production combined with steel and other materials, tires can be eroded slowly by chemicals, oil, heat, and ozone. The main raw materials of tires include natural rubber and synthetic rubber from petroleum products, so tires exposed to high temperatures heat or fire sources will cause fires that are difficult to extinguish.
Tires should be stored in a cool, dry, clean warehouse to prevent rain, dust, and light. Tires should be placed away from electric generators/motors and sources of heat such as hot pipes. Storage surfaces should be clean and free of grease, gasoline, diesel fuel, or other substances that can deteriorate the rubber. Please rotate tires every month if they are upright in storage. If tires have to be stored outdoors, the place should be:
Improper storage can damage your tires in ways that may not be visible and can lead to a
failure resulting in serious personal injury or death.
Avoid mixing with trucks transporting oil and chemicals. Tire transport vehicles should be equipped with adequate fire equipment. When using a forklift to handle truck tires, install the correct accessories for the forklift, such as tire stackers, tire handlers, etc. Any improper handling ways may cause damage to the tire. For example, the keen-edged forks can bring damage to the bead if you use the forklift without proper accessories.
Proper mounting procedures must be followed or sudden tire destruction, personal injury or death may result. Tire mounting must be done only by personnel trained, supervised and equipped according to local regulations and following the processes requirement of the industries. Always inflate tire/rim assembly in an approved safety cage or equivalent restraining device
SYT803 Truck Tire OverviewSYT803 Tread Pattern DesignSpecifically designed for the high-torque demands of the drive axle, the tread ribs are heavily siped with a high density of cross-sectional micro-grooves and lateral tread cuts. This matrix-like pattern generates thousands of sharp biting edges, providing exceptional dry/wet driving traction, immediate throttle response, and powerful braking grip without block chunking or tearing.
The drive position often suffers from severe scrubbing during acceleration and turning. The SYT803 addresses this with broad, solid outer shoulders integrated with side traction notches. This structure keeps the tire footprint perfectly flat against the asphalt, ensuring even pressure distribution to effectively eliminate irregular wear, heel-and-toe wear, and shoulder wiping.
Built on a high-tensile, full-steel belt carcass, the tire delivers outstanding high load capacity and structural endurance under heavy payloads. The deep groove bottoms feature specialized stone ejector blocks that actively prevent rocks from drilling into the steel belts, protecting the tire from premature casing fatigue and ensuring an excellent foundation for multiple retreads.
| Pattern | Size | PR | LI&SS | Overall Diameter(mm) | Load Capacity(kg) | Inflation Pressure(kpa) | Section Width (mm) | Standard Rim (inch) | Tread Depth (mm) | |
| Single | Dual | |||||||||
| SYT803 | 12R22.5 | 18 | 152/149L | 1,085 | 3,550 | 3,250 | 930 | 300 | 9.00 | 21.5 |
| Available Sizes | ||||||
| 6.50R16LT | 9.00R20 | 11R24.5 | 13R22.5 | 245/70R17.5 | 295/60R22.5 | 295/75R22.5 |
| 7.00R16LT | 10.00R20 | 12.00R20 | 215/75R17.5 | 245/70R19.5 | 275/80R22.5 | 315/70R22.5 |
| 7.50R16LT | 11.00R20 | 12.00R24 | 225/80R17.5 | 265/70R19.5 | 295/80R22.5 | 385/65R22.5 |
| 8.25R16LT | 11R22.5 | 12R22.5 | 235/75R17.5 | 275/70R22.5 | 315/80R22.5 | 205/85R16LT |
1.High Wear Resistance 4.Long Mileage Performance Special tread compound design extends tire life and reduces cost per km. Optimized footprint distbution promotes even wear and longer mileage. 2.Strong Traction Performance 5.Fuel Saving Deep grooves and block design provide excellent grip on wet and dey roads. Low roling resistance design helps reduce fuel consumption.
3.High Load Capacity 6.Safe & Reliable Reinforced carcass structure enpures high load capacity and durabllity. Superior stablity and braking performance ensure driving safety.
As a rubber production combined with steel and other materials, tires can be eroded slowly by chemicals, oil, heat, and ozone. The main raw materials of tires include natural rubber and synthetic rubber from petroleum products, so tires exposed to high temperatures heat or fire sources will cause fires that are difficult to extinguish.
Tires should be stored in a cool, dry, clean warehouse to prevent rain, dust, and light. Tires should be placed away from electric generators/motors and sources of heat such as hot pipes. Storage surfaces should be clean and free of grease, gasoline, diesel fuel, or other substances that can deteriorate the rubber. Please rotate tires every month if they are upright in storage. If tires have to be stored outdoors, the place should be:
Improper storage can damage your tires in ways that may not be visible and can lead to a
failure resulting in serious personal injury or death.
Avoid mixing with trucks transporting oil and chemicals. Tire transport vehicles should be equipped with adequate fire equipment. When using a forklift to handle truck tires, install the correct accessories for the forklift, such as tire stackers, tire handlers, etc. Any improper handling ways may cause damage to the tire. For example, the keen-edged forks can bring damage to the bead if you use the forklift without proper accessories.
Proper mounting procedures must be followed or sudden tire destruction, personal injury or death may result. Tire mounting must be done only by personnel trained, supervised and equipped according to local regulations and following the processes requirement of the industries. Always inflate tire/rim assembly in an approved safety cage or equivalent restraining device
SYT803 Truck Tire OverviewSYT803 Tread Pattern DesignSpecifically designed for the high-torque demands of the drive axle, the tread ribs are heavily siped with a high density of cross-sectional micro-grooves and lateral tread cuts. This matrix-like pattern generates thousands of sharp biting edges, providing exceptional dry/wet driving traction, immediate throttle response, and powerful braking grip without block chunking or tearing.
The drive position often suffers from severe scrubbing during acceleration and turning. The SYT803 addresses this with broad, solid outer shoulders integrated with side traction notches. This structure keeps the tire footprint perfectly flat against the asphalt, ensuring even pressure distribution to effectively eliminate irregular wear, heel-and-toe wear, and shoulder wiping.
Built on a high-tensile, full-steel belt carcass, the tire delivers outstanding high load capacity and structural endurance under heavy payloads. The deep groove bottoms feature specialized stone ejector blocks that actively prevent rocks from drilling into the steel belts, protecting the tire from premature casing fatigue and ensuring an excellent foundation for multiple retreads.
| Pattern | Size | PR | LI&SS | Overall Diameter(mm) | Load Capacity(kg) | Inflation Pressure(kpa) | Section Width (mm) | Standard Rim (inch) | Tread Depth (mm) | |
| Single | Dual | |||||||||
| SYT803 | 12R22.5 | 18 | 152/149L | 1,085 | 3,550 | 3,250 | 930 | 300 | 9.00 | 21.5 |
| Available Sizes | ||||||
| 6.50R16LT | 9.00R20 | 11R24.5 | 13R22.5 | 245/70R17.5 | 295/60R22.5 | 295/75R22.5 |
| 7.00R16LT | 10.00R20 | 12.00R20 | 215/75R17.5 | 245/70R19.5 | 275/80R22.5 | 315/70R22.5 |
| 7.50R16LT | 11.00R20 | 12.00R24 | 225/80R17.5 | 265/70R19.5 | 295/80R22.5 | 385/65R22.5 |
| 8.25R16LT | 11R22.5 | 12R22.5 | 235/75R17.5 | 275/70R22.5 | 315/80R22.5 | 205/85R16LT |
1.High Wear Resistance 4.Long Mileage Performance Special tread compound design extends tire life and reduces cost per km. Optimized footprint distbution promotes even wear and longer mileage. 2.Strong Traction Performance 5.Fuel Saving Deep grooves and block design provide excellent grip on wet and dey roads. Low roling resistance design helps reduce fuel consumption.
3.High Load Capacity 6.Safe & Reliable Reinforced carcass structure enpures high load capacity and durabllity. Superior stablity and braking performance ensure driving safety.
As a rubber production combined with steel and other materials, tires can be eroded slowly by chemicals, oil, heat, and ozone. The main raw materials of tires include natural rubber and synthetic rubber from petroleum products, so tires exposed to high temperatures heat or fire sources will cause fires that are difficult to extinguish.
Tires should be stored in a cool, dry, clean warehouse to prevent rain, dust, and light. Tires should be placed away from electric generators/motors and sources of heat such as hot pipes. Storage surfaces should be clean and free of grease, gasoline, diesel fuel, or other substances that can deteriorate the rubber. Please rotate tires every month if they are upright in storage. If tires have to be stored outdoors, the place should be:
Improper storage can damage your tires in ways that may not be visible and can lead to a
failure resulting in serious personal injury or death.
Avoid mixing with trucks transporting oil and chemicals. Tire transport vehicles should be equipped with adequate fire equipment. When using a forklift to handle truck tires, install the correct accessories for the forklift, such as tire stackers, tire handlers, etc. Any improper handling ways may cause damage to the tire. For example, the keen-edged forks can bring damage to the bead if you use the forklift without proper accessories.
Proper mounting procedures must be followed or sudden tire destruction, personal injury or death may result. Tire mounting must be done only by personnel trained, supervised and equipped according to local regulations and following the processes requirement of the industries. Always inflate tire/rim assembly in an approved safety cage or equivalent restraining device
