40x15.50R20 Tire Size

Understanding 40x15.50R20 tire size is crucial for making informed decisions when purchasing new tires, whether it is for replacement or upgrade, as it plays an important role in your vehicle's performance and safety. Let's explore 40x15.50R20 tire size specs and dimensions, what vehicles are equipped with 40x15.50R20 tires and what are its replacement alternatives.

Buy 40x15.50R20 Tires from $750.40

What does 40x15.50R20 mean?

40x15.50R20 is a Flotation tire size that is commonly used on light trucks and commercial vehicles that require extra durability and load carrying capacity. Let us decode each aspect of 40x15.50R20 tire size dimensions for better understanding.

  • 40 - this number represents the overall diameter of a tire when it is fully inflated and not under load. For this particular tire size, tire's diameter is 40 inches.
  • 15.50 - this number indicates tire's section width, which includes the entire width of the tire from one sidewall to the other. The tread width is typically a bit narrower than the section width. Since this is a Flotation tire size, this measurement is in inches. So section width of this particular tire is 15.50 inches.
  • R - this letter denotes that tire has radial construction.
  • 20 - the last number indicates the wheel diameter in inches that the tire is designed to fit. 40x15.50R20 can be mounted on rims with 20 inches in diameter.
40x15.50R20 Section Width
40x15.50R20 Tire Side
Tire Circumference
504 Revs/Mile
Metric Inches
Tread Width 393.7 mm 15.50"
Aspect Ratio 65%
Rim Diameter 508 mm 20"
Tire Diameter 1016 mm 40"
Sidewall Height 254 mm 10"
Circumference 3190 mm 125.6"
Revolutions 313 per km 504 per mile

What vehicles use 40x15.50R20 tire size?

No vehicles found.

What are replacement alternatives for 40x15.50R20 tire?

No compatible replacement tire sizes found.

What wheels can 40x15.50R20 tire be mounted on?

40x15.50R20 tires are generally approved to be mounted on 11" to 13" wide wheels. The follwing wheel sizes can be used:

  • 20x11
  • 20x11.5
  • 20x12
  • 20x12.5
  • 20x13

All listed guides, data and/or calculations are for informational purposes only. Tire-Sizes.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.