Load Range C D E
Basically the only difference between the two is the weight capacity.
Load range c d e. Special trailer service tires have load ranges of b c d or e which correspond to their specific ply ratings 4 ply rated 6 ply rated. For load range b tires etrto iso metric standards. You will find a load range value of either b c d or e. The difference between an load range c and load range d tire in the same size is the capacity and psi rating.
Load range for lt tires is often indicated adjacent to the tire sizing information on the sidewall of the tire. With trailer tires you always want to have them inflated to their maximum that way you get the best handling braking and wear characteristics. To find the load range of your trailer tire look at the sidewall and on there you will find the lowest and highest end of the load ranges. Here s how the load range rating left corresponds to the old ply rating system right.
A light truck tire load capacity is dependent on the size plus the load rating. All tires of a specific size and load range will have the same maximum load capacity. Plus how many tires are on the axle. If you have a dual axle trailer and use four tires then your c class tires can haul up to 7 280 pounds.
For example lt245 75r16 tires have a load capacity of 2 205 lbs. Lt sized tires featuring section widths of 305mm 12 50 or wider have their. Load range d has a capacity of 1 220 lbs at 65 psi whereas load range e has a capacity of 1 520 lbs at 80 psi. The two tires will still have the same dimensions and fit on the same wheel.
The maximum load range for a trailer tire depends on its letter rating and psi. For load range c and 2 623 lbs. Lt metric lt flotation and lt numeric tires are branded with their load range load range e or lre or their ply rating 10 ply rated on their sidewalls and list their appropriate load range letter in their descriptions as lt245 75r 16 e 7 50r 15 d or 31x10 50r 15 c. D and e class tires will carry more weight.
Load range b is the lightest load the tire can carry and load range e is the heaviest load it can carry. For a st175 80d13 like am1st77 the capacity is 1 610 pounds at 65 psi. The d rated tire has a higher capacity. The load range letter on light truck tires indicates their ply rating.
Last if you re pulling a trailer that requires special trailer service tires those tires are going to be labeled st you ll be able to tell the specific load range on the tires sidewall descriptions. The load index on a passenger car tire is a numerical code stipulating the maximum load mass or weight each tire can carry.