

🚛 Tough Tires, Smooth Rides — Don’t Let Your Trailer Fall Behind!
The Mastertrack UN203 ST235/80R16 is a 10-ply radial trailer tire designed exclusively for trailer use, offering a robust 3,520 lbs load capacity per tire and a max speed rating of 81 mph. With an 80 psi max pressure and symmetrical tread for stability, it’s a reliable, heavy-duty choice favored by professionals seeking durability and performance.



| ASIN | B01EX4OKMM |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #578,827 in Automotive ( See Top 100 in Automotive ) #337 in Trailer Tires |
| Brand Name | Mastertrack |
| Construction Type | Radial |
| Customer Reviews | 4.3 4.3 out of 5 stars (6) |
| Global Trade Identification Number | 00812561022069 |
| Included Components | Tire |
| Item Diameter | 30.8 inches |
| Item Dimensions | 31 x 31 x 9 inches |
| Item Type Name | UN-203 Radial Trailer Tire ST235/80R16 |
| Load Capacity | 3520 pounds |
| Load Index | 124 |
| Load Range | E |
| Manufacturer | Mastertrack |
| Manufacturer Part Number | HF-ST45 |
| Maximum Pressure | 80 psi |
| Model Number | HFST45 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | HFST45 |
| Ply | 10-Ply |
| Rim Size | 16 inches |
| Rim Width | 6.5 inches |
| Seasons | NON_WINTER |
| Section Width | 23.5 centimeters |
| Size | ST235/80R16 10Ply |
| Speed Rating | M |
| Tire Aspect Ratio | 80 |
| Tire Diameter | 30.8 inches |
| Tread Depth | 10 thirty_seconds_inches |
| Tread Type | Symmetrical |
| UPC | 812561022069 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 235/80R16 |
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