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For trailer tires (ST or Special Trailer tires), the general weight capacities for common load ranges are as follows: Load Range B: Typically up to 1,100 to 1,520 lbs per tire at maximum inflation. Load Range C: Typically up to 1,760 to 2,270 lbs per tire at maximum inflation.
Trailer Tire Load Range Table. There are two factors you should consider when choosing a trailer tire: load range and load index. Load range describes a tire's toughness and load index describes a tire's carrying capacity (the max load). You can find both of these numbers on your tire's sidewall.
Before you start looking for trailer tires, check the trailer's GVWR, or Groos Vehicle Weight Rating. This is the weight limit of the trailer's performing capability, including the weight of its cargo.
Whether you’re towing a personal trailer, a commercial trailer, a travel trailer, a utility trailer, a cargo trailer, or a motorcycle trailer, your trailer tires must have a tire load range capacity that is sufficient for handling the weight of your trailer and of your cargo combined, safely.
1. Calculate the Gross Trailer Weight (GTW): Dry Weight: Start by finding out the ‘Dry Weight’ or ‘Unloaded Vehicle Weight (UVW)’ of your trailer. This is the weight of the trailer without any additions – no cargo, water, gas, or accessories.
Our trailer tire size charts include tire width, rim width, load range, and overall diameter. Match your trailer tire for the right replacement.
This guide examines trailer tire load ratings in detail, including what kind of load rating is best for everyday use, how to calculate the load rating needed for your specific towing needs, and differences between radial and non-radial tires for trailers.
This letter provides a comparative value of a tire’s strength, helps gauge how much air a tire can hold and the weight carrying capacity. The higher the Load Range, the more weight carrying capacity of the tire. Load range comes from an older measurement known as ply ratings.
Finding the right tire for your trailer always begins with the trailer’s gross vehicle weight rating (GVWR). GVWR includes the weight of the trailer itself, plus the maximum cargo it can carry (i.e. its “loaded” weight).
590 620 660. NOTES: Letters in parentheses denote Load Range for which boldface loads and inflations are maximum. International Load Index numbers are shown after Load Range. IMPORTANT — Always use approved tire and rim combinations for diameter and contours. Radial Ply Tires for Trucks, Buses & Trailers Used in Normal Highway Service.