2008 Ford F-250 Super Duty Harley-Davidson Edition Tire Size

The original tire size for your 2008 Ford F-250 Super Duty Harley-Davidson Edition is listed below. Tap on the box to view a color-coded explanation of the best Ford F-250 Super Duty Harley-Davidson Edition tire size.

LT275/65R20/E 126S

Simplified Size:  275-65-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2008 Ford F-250 Super Duty Harley-Davidson Edition is LT275/65R20/E 126S.  A color-coded explanation of the 2008 Ford F-250 Super Duty Harley-Davidson Edition's tire size is shown below.

LT

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
275

This number indicates that your tire has a width of 275 millimeters.

20

The tire size was designed to fit rims or wheels that are 20 inches in diameter.

126

This tire has a load index of 126, which means it's capable of carrying a load of NaN pounds (undefined kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

E

The mark of E denotes your tire's load range, or ply rating.  A load range of E means that the tire has a ply rating of 10.  Letters further along in the alphabet represent stronger tires that can sustain higher inflation pressures.  Tires with higher inflation pressures can carry heavier loads.

65

This number means that your tire has an aspect ratio of 65%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 65% of the width.  In this case, the sidewall height works out to be 178 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
S

This tire has a speed rating of S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.