What is the maximum tread depth for the steer tire?
Per code section 393.75 (c), “tires shall have a tread groove pattern depth of at least 2/32 of an inch when measured in a major tread groove.” It also states that measurements can’t be taken “where tie bars, humps, or fillets are located.” DOT steer tire regulations state that depth is at least 4/32 of an inch.
How old can steer tires be?
Old tires are dangerous, regardless of tread depth. While there’s no federally sanctioned safety guidance on when a tire is too old to be safe, many carmakers recommend replacement at six years from the date of manufacture.
How many miles do steer tires last on a semi truck?
If you are going by mileage, experts generally recommend that you replace your tires anywhere from every 25,000 miles to every 75,000 miles. Numerous things will impact how long you can go without changing your tires.
Can you run recaps on steer tires?
There are no government standards prohibiting it. As Harvey Brodsky, managing director of the Tire Retread & Repair Information Bureau (TRIB) will tell you, the retreading process will work just as well on a steer tire as it will on a drive or trailer tire.
Can you rotate steer tires on semi?
On your semi-truck, you have steer tires, drive tires, and trailer tires. You will rotate your steer tires from side to side. You may either rotate them from front axle to rear axle, across the same axle from side to side, or you can follow an “X” pattern and rotate side and axle.
What is the tread depth on a new semi tire?
2/32”
Tread depth. Not only do tires with deeper tread last longer, they’re also more resistant to punctures. The U.S. Department of Transportation requires that semi trailer tires have a tread depth of at least 2/32”.
What is the minimum tread depth for all tires other than steer tires?
Quote From The CDL Manual: You need at least 4/32-inch tread depth in every major groove on front wheels (steer tires) and 2/32-inch depth on other tires.
How long should steer tires last?
Steer tires are utilized more than other positions and can last up to 100,000 – 150,000 miles before being replaced.
What’s the minimum tread depth for steer tires?
Parts B and C describe the minimum tread depth allowed. The measurement must be done in a major groove but should not be made where there are stone ejectors, tie bars and/or humps. The minimum tread depth for steer tires is 4/32-inch, and 2/32-inch for any other wheel position.
What are the regulations for Dot steer tires?
Tread Depth Per code section 393.75 (c), “tires shall have a tread groove pattern depth of at least 2/32 of an inch when measured in a major tread groove.” It also states that measurements can’t be taken “where tie bars, humps, or fillets are located.” DOT steer tire regulations state that depth is at least 4/32 of an inch.
When do you know the tread depth of a tire?
New tire tread depth is the measurement typically published by tire manufacturers, but it’s not the same as usable tire tread depth. Most states and tire manufacturers consider tires to be bald when one or more of their grooves are worn down to 2/32″.
Why are steer tires important for a semi truck?
Steer tires can be considered the most important tire position on a commercial semi truck. Finding the right tire that will last and handle wear is essential to ensure it can perform when you need it most.
What is the minimum tread depth for steer tires?
One area that seems to surface quite often is minimum tread depth. According to Federal Motor Carrier Safety Administration (FMCSA) regulations, the minimum tread depth for a steer tire is 4/32 of an inch on every major tread groove. If one spot on one groove is less than 4/32, then a driver will be issued a citation.
Tread Depth Per code section 393.75 (c), “tires shall have a tread groove pattern depth of at least 2/32 of an inch when measured in a major tread groove.” It also states that measurements can’t be taken “where tie bars, humps, or fillets are located.” DOT steer tire regulations state that depth is at least 4/32 of an inch.
New tire tread depth is the measurement typically published by tire manufacturers, but it’s not the same as usable tire tread depth. Most states and tire manufacturers consider tires to be bald when one or more of their grooves are worn down to 2/32″.
How big should the tread groove be on a truck tire?
(4) Has a cut to the extent that the ply or belt material is exposed. (b) Any tire on the front wheels of a bus, truck, or truck tractor shall have a tread groove pattern depth of at least 4/32 of an inch when measured at any point on a major tread groove. The measurements shall not be made where tie bars, humps, or fillets are located.