1991 Ford F-250 XL Tire Size

There are multiple tire sizes for your 1991 Ford F-250 XL that depend upon the trim level.  Look for your trim level below to get a color-coded explanation of your tire size.  Then pick the best tire size for your 1991 Ford F-250 XL.

Trim Options:

4x2 (GVWR 6600)4x4 (GVWR 6800)4x4 (H.D. Front End)(GVWR 6800)

7.50R16/D NaN

Simplified Size:  7.50-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 1991 Ford F-250 XL is 7.50R16/D .  A color-coded explanation of the 1991 Ford F-250 XL's tire size is shown below.

7.50

This number indicates that your tire has a width of 7.50 inches.

16

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

NaN

This tire has a load index of NaN, 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.

D

The mark of D denotes your tire's load range, or ply rating.  A load range of D means that the tire has a ply rating of 8.  Letters further along in the alphabet represent stronger tires that can sustain higher inflation pressures.  Tires with higher inflation pressures can carry heavier loads.

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

Trim Options:

4x2 (GVWR 6600)4x4 (GVWR 6800)4x4 (H.D. Front End)(GVWR 6800)

LT215/85R16/D

Simplified Size:  215-85-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 1991 Ford F-250 XL is LT215/85R16/D .  A color-coded explanation of the 1991 Ford F-250 XL's tire size is shown below.

LT

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
215

This number indicates that your tire has a width of 215 millimeters.

16

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

D

The mark of D denotes your tire's load range, or ply rating.  A load range of D means that the tire has a ply rating of 8.  Letters further along in the alphabet represent stronger tires that can sustain higher inflation pressures.  Tires with higher inflation pressures can carry heavier loads.

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 182 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

Trim Options:

4x2 (GVWR 7700)

LT235/85R16/D

Simplified Size:  235-85-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 1991 Ford F-250 XL is LT235/85R16/D .  A color-coded explanation of the 1991 Ford F-250 XL'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.

16

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

D

The mark of D denotes your tire's load range, or ply rating.  A load range of D means that the tire has a ply rating of 8.  Letters further along in the alphabet represent stronger tires that can sustain higher inflation pressures.  Tires with higher inflation pressures can carry heavier loads.

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

Trim Options:

4x2 (GVWR 6600)4x2 (GVWR 7700)4x2 (GVWR 8600)4x4 (GVWR 6800)4x4 (GVWR 8600)4x4 (H.D. Front End)(GVWR 6800)4x4 (H.D. Front End)(GVWR 8600)4x4 Super Cab

LT235/85R16/E

Simplified Size:  235-85-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 1991 Ford F-250 XL is LT235/85R16/E .  A color-coded explanation of the 1991 Ford F-250 XL'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.

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.

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