1998 AM General Hummer Tire Size
Your 1998 AM General Hummer was manufactured with multiple tire sizes. Choose a tire size below to get a color-coded explanation of the differences. Then pick the best tire size for your 1998 AM General Hummer.
Trim Options:
(1 Piece Steel Wheel)Base
37x12.50R16.5/D 123
Simplified Size: 37x12.50-16.5
Simplified size is useful for shopping and buying tires.
The original tire size for your 1998 AM General Hummer is 37x12.50R16.5/D 123N. A color-coded explanation of the 1998 AM General Hummer's tire size is shown below.
37 | This mark reveals that your tire has a diameter of 37 inches. | ||||||
12.50 | This number indicates that your tire has a width of 12.50 inches. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
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16.5 | The tire size was designed to fit rims or wheels that are 16.5 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. | ||||||
123 | This tire has a load index of 123, which means it's capable of carrying a load of 3410 pounds (1550 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
This tire has a speed rating of N, which means 86 mph (140 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
Trim Options:
(1 Piece Steel Wheel)Base
37x12.50R16.5/D 123
Simplified Size: 37x12.50-16.5
Simplified size is useful for shopping and buying tires.
The original tire size for your 1998 AM General Hummer is 37x12.50R16.5/D 123Q. A color-coded explanation of the 1998 AM General Hummer's tire size is shown below.
37 | This mark reveals that your tire has a diameter of 37 inches. | ||||||
12.50 | This number indicates that your tire has a width of 12.50 inches. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
16.5 | The tire size was designed to fit rims or wheels that are 16.5 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. | ||||||
123 | This tire has a load index of 123, which means it's capable of carrying a load of 3410 pounds (1550 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
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. |