Trailer Tire Load Rating Chart. Tire load ranges with corresponding maximum tire inflation prressures for passenger, light truck and trailer tires. Please note that this is the speed rating chart example used for instructional purposes.
Drive according to whichever rating is lower. Every st trailer tire you see on the highway goes through this exact same test regardless of tire size or manufacturer. If a tire has load range c, it can carry 1,820 pounds.
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Most boat trailer tires have a load range of b, c, or d. Trailer tire speed ratings / load capacity (65mph): The table below lists these load ranges. All road tyres have a load index.
