1988 Jeep J20 Tire Size

The original tire size for your 1988 Jeep J20 is listed below. Tap on the box to view a color-coded explanation of the best Jeep J20 tire size.


Simplified Size:  9.50-16.5

Simplified size is useful for shopping and buying tires.

The original tire size for your 1988 Jeep J20 is 9.50-16.5/D.  A color-coded explanation of the 1988 Jeep J20's tire size is shown below.


This number indicates that your tire has a width of 9.50 inches.


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

BBias Belt

The tire size was designed to fit rims or wheels that are 16.5 inches in diameter.


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.