
The SEYOUN SYT899 is a highly versatile, heavy-ply all-position radial truck tire masterfully optimized for thriving fleets in Regional Hauling operations. Engineered with an advanced four-rib zig-zag pattern structure, the SYT899 offers seamless configuration flexibility across steer, drive, and trailing axles. For large-scale transport enterprises navigating high-frequency regional loops with varied cargo demands, this model serves as the ultimate fleet solution—successfully mitigating irregular wear, extending removal mileage, and optimizing the operational total cost per mile.
SYT899 Tread Pattern DesignThe tread relies on four engineered zig-zag longitudinal continuous grooves. This layout maximizes directional tracking precision when mounted on the steer axle, while actively redistributing ground-contact pressure evenly to wipe out early irregular shoulder or heel-and-toe wear under high payload distributions.
The wavy walls of the inner ribs act as dynamic biting sipes. During unexpected rainstorms on national routes, these channels immediately slice through surface water film, drastically enhancing wet-grip braking performance and preventing hazardous hydroplaning or side-slipping.
The extra-wide, un-grooved solid outer shoulders are tailored to handle severe scrubbing forces. When the tire is assigned to the rear trailing axles, these rigid shoulders easily absorb severe tearing and twisting during sharp city turns and docking maneuvers, maintaining structural integrity without chunking.
| 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 | |||||||||
| SYT899 | 10,00R20 | 18 | 149/146K | 1,054 | 3,250 | 3,000 | 930 | 278 | 7.50 | 17.0 |
| 11.00R20 | 20 | 153/150K | 1,085 | 3,550 | 3,250 | 930 | 293 | 8.00 | 18.0 | |
| 12.00R20 | 20 | 156/153k | 1,125 | 4,000 | 3,650 | 900 | 315 | 8.50 | 18.0 | |
| 12.00R20 | 22 | 158/155K | 1,125 | 4,250 | 3,875 | 960 | 315 | 8.50 | 18.0 | |
| 12R22.5 | 18 | 152/149K | 1,085 | 3,550 | 3,250 | 930 | 300 | 9.00 | 18.0 | |
| 13R22.5 | 20 | 156/153k | 1,124 | 4,000 | 3,650 | 930 | 320 | 9.75 | 18.0 | |
| 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

SYT899 Tread Pattern DesignThe tread relies on four engineered zig-zag longitudinal continuous grooves. This layout maximizes directional tracking precision when mounted on the steer axle, while actively redistributing ground-contact pressure evenly to wipe out early irregular shoulder or heel-and-toe wear under high payload distributions.
The wavy walls of the inner ribs act as dynamic biting sipes. During unexpected rainstorms on national routes, these channels immediately slice through surface water film, drastically enhancing wet-grip braking performance and preventing hazardous hydroplaning or side-slipping.
The extra-wide, un-grooved solid outer shoulders are tailored to handle severe scrubbing forces. When the tire is assigned to the rear trailing axles, these rigid shoulders easily absorb severe tearing and twisting during sharp city turns and docking maneuvers, maintaining structural integrity without chunking.
| 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 | |||||||||
| SYT899 | 10,00R20 | 18 | 149/146K | 1,054 | 3,250 | 3,000 | 930 | 278 | 7.50 | 17.0 |
| 11.00R20 | 20 | 153/150K | 1,085 | 3,550 | 3,250 | 930 | 293 | 8.00 | 18.0 | |
| 12.00R20 | 20 | 156/153k | 1,125 | 4,000 | 3,650 | 900 | 315 | 8.50 | 18.0 | |
| 12.00R20 | 22 | 158/155K | 1,125 | 4,250 | 3,875 | 960 | 315 | 8.50 | 18.0 | |
| 12R22.5 | 18 | 152/149K | 1,085 | 3,550 | 3,250 | 930 | 300 | 9.00 | 18.0 | |
| 13R22.5 | 20 | 156/153k | 1,124 | 4,000 | 3,650 | 930 | 320 | 9.75 | 18.0 | |
| 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

SYT899 Tread Pattern DesignThe tread relies on four engineered zig-zag longitudinal continuous grooves. This layout maximizes directional tracking precision when mounted on the steer axle, while actively redistributing ground-contact pressure evenly to wipe out early irregular shoulder or heel-and-toe wear under high payload distributions.
The wavy walls of the inner ribs act as dynamic biting sipes. During unexpected rainstorms on national routes, these channels immediately slice through surface water film, drastically enhancing wet-grip braking performance and preventing hazardous hydroplaning or side-slipping.
The extra-wide, un-grooved solid outer shoulders are tailored to handle severe scrubbing forces. When the tire is assigned to the rear trailing axles, these rigid shoulders easily absorb severe tearing and twisting during sharp city turns and docking maneuvers, maintaining structural integrity without chunking.
| 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 | |||||||||
| SYT899 | 10,00R20 | 18 | 149/146K | 1,054 | 3,250 | 3,000 | 930 | 278 | 7.50 | 17.0 |
| 11.00R20 | 20 | 153/150K | 1,085 | 3,550 | 3,250 | 930 | 293 | 8.00 | 18.0 | |
| 12.00R20 | 20 | 156/153k | 1,125 | 4,000 | 3,650 | 900 | 315 | 8.50 | 18.0 | |
| 12.00R20 | 22 | 158/155K | 1,125 | 4,250 | 3,875 | 960 | 315 | 8.50 | 18.0 | |
| 12R22.5 | 18 | 152/149K | 1,085 | 3,550 | 3,250 | 930 | 300 | 9.00 | 18.0 | |
| 13R22.5 | 20 | 156/153k | 1,124 | 4,000 | 3,650 | 930 | 320 | 9.75 | 18.0 | |
| 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