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Trying to make sense of the confusing of numbers and letters top top a tires sidewall? We"ll explain!

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Each of her tires has valuable information molded right into its sidewall. You"ll discover the tire"s brand, size, building details, preferably load and also inflation pressure, and also traction, treadwear and temperature grades. The trick is discovering where come look. The diagram below will help you make sense of your tire"s sidewall:

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Passenger Tires

The tire sidewall shown over is an example of a popular "P-metric," speed-rated tire. "P" indicates that it"s a passenger tire; 215 to represent the broad of the tires in millimeters; "65" is the height to width ratio; "R" indicates radial construction; "15" is the pickled in salt diameter code; and also "95H" is the optional business description that is composed of the pack index (95) and the "H" speed rating. "Temperature A" reflects the temperature grade.

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Some older speed-rated tires may incorporate the rate symbol automatically before the "R" instead of providing a organization description. A "B" in place of the "R" would indicate diagonal prejudice construction. "M+S" with the mountain/snowflake symbol suggests that the tires meets the RMA (Rubber Manufacturers Association) specifications for use in serious snow conditions.

The maximum pack recommendation is presented in kg (kilograms) and in lbs (pounds), and the maximum air pressure is displayed in kPa (kilopascals) and PSI (pounds per square inch). Safety Note: These room the preferably air press levels, no the recommended push for the tires when placed on rims for her vehicle. The auto manufacturer"s push recommendations (found on a decal top top the doorjamb or in the gloves compartment) must constantly be used when inflating her tires.

See more: The Set Of Integers Contains Whole Numbers And Their, Oneclass: ___________

The period Code and also Your Safety

The "DOT" letters indicate manufacturing compliance through all applicable safety standards created by the U.S. Room of transport (DOT). Alongside the DOT letter is one alpha/numeric serial number, commonly referred to as the period Code, through up to 12 digits. This code gives manufacturer detail and the critical 5 numbers indicate the week and year that the tire was made. For example, "1501" shows that the tires was manufactured throughout the 15th main of year 2001. This information is vital should there ever before be proof of a production problem and a tires recall. We encourage friend to register your tires so that manufacturers can contact you in the situation of a recall.

Additional tires Size and also Capacity Information

There are various other codes on some tires that provide you with added information, few of which are certain to irradiate truck tires applications. Some of the other codes that you can find on her tires include:

LT = stands for light van application. Example: LT235/85R16 C, D or E = Load variety indication because that light truck applications REIN = Reinforced OWL = Outlined White letters RWL = elevated White letters ORWL = Outlined raised White letters B, BLK, BW, BSW = Blackwall or black color Sidewall W, WW, WSE = Whitewall or White Sidewall XNW = Extra small White width XL = Extra pack Capacity