Dot tire tread depth chart

New tires typically start with a tread depth of 1032 to 1232 with some off-road tires topping 1532. 3 Any break repaired with a boot.

Tread Depth equally spaced intervals around the circumference Use a tread depth gauge of tire.

Dot tire tread depth chart. Per code section 39375 c tires shall have a tread groove pattern depth of at least 232 of an inch when measured in a major tread groove It also states that measurements cant be taken where tie bars humps or fillets are located DOT steer tire regulations state. For you to know there is another 36 Similar photographs of dot tire tread depth chart that Tyree Crona uploaded you can see below. This Tire Markings Meaning uploaded by Tyree Crona from public domain that can find it from google or other search engine and its posted under topic dot tire tread depth chart.

Click Images to Large View Dot Tire Tread Depth Chart Mentar. Tyre Tread Depth On Trucks 1 Mm Minimum Hire Hirett. Click Images to Large View Tyre Tread Depth On Trucks 1 Mm Minimum Hire Hirett.

Tire Wear Depth Chart Palax. Click Images to Large View Tire Wear Depth Chart Palax. HOW TO MEASURE TIRE TREADS.

When measuring tread depth a gauge calibrated in 232nd of an inch should be used and visually inspected. Any tire worn so that less than 232nd of an inch of tread depth remains when measured at the lowest points in any two adjacent major grooves in the center of the tire is cause for rejection. What is the minimum tread depth per DOT for Steer Tires.

When back why is it important to use a helper if available. It is easier to have the helper back the truck for you. It is required by Federal Law.

It is good to have someone else around to blame if. Racetrack Autocross Only Ratings Chartsfeature racing slick type tread designs and co mpounds optimized for dry traction to provide the ultimate in acceleration cornering and braking in dry condit ions. Some tires can be run at full 632 tread depth in damp conditions and require shaving tread depths to 432 for use on dry.

Cooper Tire launches new steer tire for long-haul travel Oct. FleetOwner Magazine FleetOwner magazineOctober 2021 Oct. 27 Original Tread Depth OTD Original Tread Depth is the tread depth of a new tire measured at the point of tread-indicator where available or one-fourth the width of the tire crown section from the crown center including 24-hour inflation growth.

Dual Spacing Overall Width OW Tread Width Section Width SW Section Height SH Free. Tire tread depth shall not 1. Recapped tires permitted be less than 232 inch in on rear wheels.

Any two adjacent major tread grooves at three 2. Tread Depth equally spaced intervals around the circumference Use a tread depth gauge of tire. Type A B C and D 25 3.

Any tire regrooved or buses. Recut below original groove depth when extra b. Tire size pattern load symbol speed max kmh speed max mph overall diameter inch section width inch tread depth 32nds rim single max loadpressure tire weight tire type note 1087106252 265r25 rem-10 50 30 69 27 51 220030 25300lb76psi 463kg1023lb tl.

External and internal areas of the tread design. DOT Safety Standard Codes DOT Department Of Transportation is a legal marking required in many countries in order to sell the tyres. DOT means the tires meet or exceed the Department of Transportations safety standards.

Means tire meets or exceeds Department of Transportation safety standards 2. New tires typically start with a tread depth of 1032 to 1232 with some off-road tires topping 1532. New tire tread depth is the measurement typically published by tire manufacturers but its not the same as usable tire tread depth.

All tires on a vehicle will have proper tread depth of at least 232 of an inch and be in safe operating condition. All tires must appear to be properly inflated - even though a gauge check is not required. Tires should be inspected visually and the tread should be measured with a tread depth gauge calibrated in 32nds of an.

632 Your tires tread depth is sufficient for 3-seasons but nearing minimum for a winter tire. 532 If wet roads are a concern consider replacing your tires. 432 332 Seriously consider replacing your tires as soon as possible.

If its a winter tire 432 is the minimum. Federal Motor Carrier Safety Administration. 1200 NEW JERSEY AVENUE SE.

A tire tread depth chart displays information on the minimum tread allowed on usable tires. The charts are available online from companies such as Tire Information Center which has information relating to anything that is tire specific such as tread depth and rotations. A new tire retains a tread depth from 1032 to 1132.

To meet legal safety standards in the US a tires tread needs to be at least 232 deep. If the tires do not meet the 232 standard or are approaching not meeting it you should replace your tires. Tires should also be free of sidewall damage and irregular wear for optimal performance and safety.

Rec 05-003 supplemental info NHTSA Tire Tread Depth NPRM. DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page please contact mcsacdotgov.

However the extensive ADAC research proved that the minimum legal tread depth only describes the tires margin of safety. For summer tires the remaining tread depth must be no less than 3 mm and for winter and all-season tires it must be no less than 4 mm. Smaller tread depth may become critical on wet pavement slush or snow.

SIZE LOAD RANGE - TREAD DEPTH 1100R24 H-20 1200R24 J-23 J-31 J-39. Medium Truck Tire Size Availability Charts Truck Tire Data Book 5. Tire Width 3-digit number that gives the approximate tire width in mm.

It measures from sidewall to sidewall. Typically the higher the number the wider the tire. Aspect Ratio 2-digit number that gives the approximate sidewall height.

It is expressed as a of the tire width. The lower the ratio the smaller the sidewall height. Stopping distance on wet road 290 feet 725 school bus lengths Minimum tread depth bald tires.

Stopping distance on wet road 379 feet 95 school bus lengths Source. If you drive in. A tire shall be considered unsafe if it has.

1 Any ply or cord exposed either to the naked eye or when cuts or abrasions on the tire are probed. 2 Any bump bulge or knot affecting the tire structure. 3 Any break repaired with a boot.

4 A tread depth of less than 232 of an inch measured in any two major tread grooves at three. For another method in measuring your tires remaining tread depth use a tire tread depth gauge. Typical tread depth gauges will measure in 32 nds of an inch or 25-26 in millimeters.

Some gauges have a needle-like design with a portion that expands to measure tread depth.