1999 Ford F-250 Super Duty Tire Size

The original tire size for your 1999 Ford F-250 Super Duty is listed below. Tap on the box to view a color-coded explanation of the best Ford F-250 tire size.

Trim Options:

LariatXLXLT

LT235/85R16/E

Simplified Size:  235-85-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 1999 Ford F-250 Super Duty is LT235/85R16/E.  A color-coded explanation of the 1999 Ford F-250 Super Duty's tire size is shown below.

LT

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
235

This number indicates that your tire has a width of 235 millimeters.

85

This number means that your tire has an aspect ratio of 85%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 85% of the width.  In this case, the sidewall height works out to be 199 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
16

The tire size was designed to fit rims or wheels that are 16 inches in diameter.

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.

1999 Ford F-250 Super Duty - Similar Models

The 1999 Ford F-250 Super Duty has similar models that may have different tire sizes.

1999 Ford F-250