2001 AM General Hummer Tire Size

The original tire size for your 2001 AM General Hummer is listed below. Tap on the box to view a color-coded explanation of the best AM General Hummer tire size.

37x12.50R17/E 129Q

Simplified Size:  37x12.50-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2001 AM General Hummer is 37x12.50R17/E 129Q.  A color-coded explanation of the 2001 AM General Hummer's tire size is shown below.

12.50

This number indicates that your tire has a width of 12.50 inches.

37

This mark reveals that your tire has a diameter of 37 inches.

17

The tire size was designed to fit rims or wheels that are 17 inches in diameter.

129

This tire has a load index of 129, 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.

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
Q

This tire has a speed rating of Q, which means 99 mph (160 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.