Load Range D Vs Load Index

Light truck tires since light truck tires are often available in multiple load ranges the appropriate load range is identified immediately following the size s rim diameter in tire rack s descriptions.

Load range d vs load index. A load range d tire has the same load capacity as a load range c tire if it is inflated to 50 psi and will provide the same ride characteristics. Standard load tires are limited by the load that can be supported with a maximum inflation pressure of 35 psi. Load range is based on ply rating a tire s load range can be found on the tire s sidewall represented by a letter usually after the tire size 35x12 50 r17 e for example. Could i use an load range d on my 86 f250 as long as the max load on the tire was high enough.

For instance our claw 35x12 5r20 e has a load index of 121 and a speed rating of q. The tire load index also called the load range specifies the amount of weight the tire can safely carry when inflated to its optimum pressure. 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. Most load range c d and e tires are intended for light truck applications.

Load range d tires only provide more capacity and a harsher ride if they are inflated to the. Prior to the adoption of current industry load standards the ply rating indicated the number of fabric layers coated in rubber that made up the body of the tire. Well your vehicle will have specific minimum requirements for each of these ratings and guidelines. This code represents the ability of the tire to hold air.

Load index what is the difference between load range and load index and how does the tire s ply rating determine what tire you should buy. Thanks josh thanks josh 86 f 250 6 9l 4x4 4 speed manual warn locking hubs.