California Code of Regulations › Title 13 - Motor Vehicles › Division 2 - Department of the California Highway Patrol › Chapter 4 - Special Equipment › Article 14 - Tires and Rims › Section 1085 - Tire and Rim Size and Capacity

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
				  Passenger Cars. Tires manufactured after January 1, 1968, and used on passenger
				  cars manufactured after 1948 shall be of the sizes listed in one of the
				  publications referenced in FMVSS No. 109 or in a publication of the tire
				  manufacturer which is provided to the public.
(b) Matching of Passenger Car Tires and Rims.
				  Tires for all passenger cars manufactured after 1948, of sizes listed in one of
				  the publications referenced in FMVSS No. 109 or in a publication of the tire
				  manufacturer which is provided to the public, shall be installed and used only
				  on the appropriate rims specified for the particular tire size by the tire
				  manufacturer or by organizations listed in FMVSS No. 109.
(c) Matching of Tires and Rims on Other
				  Vehicles. Tires installed on vehicles other than passenger cars shall be
				  mounted only on rims specified for the particular tire size by the tire
				  manufacturer or by organizations listed in FMVSS No. 119.
(d) Tire Load Limits. Loads on tires shall
				  comply with the following requirements:
(1)
				  Passenger car tires used on passenger cars or station wagons shall not be
				  loaded above the maximum load rating marked on the tire, or, if unmarked, the
				  maximum load rating specified in one of the publications referenced in FMVSS
				  No. 109 or in a publication furnished to the public by the tire manufacturer.
				  Passenger car tires used on other vehicles shall not be loaded beyond the
				  foregoing maximum divided by 1.1.
(2) Tires for trucks, buses, trailers,
				  motorcycles, or any vehicles other than passenger cars shall not be loaded
				  above the maximum load rating marked on the tire, or if unmarked, the maximum
				  load rating specified by the organizations listed in FMVSS No. 119 or the tire
				  manufacturer's recommendations for the tire size, ply rating, and service
				  speed.
(3) Tires covered by FMVSS
				  No. 119 may carry increased loads at speeds of 54 mph (87 km/h) or less in
				  accordance with tables published by the organizations listed in that standard,
				  provided that either:
(A) The speed of the
				  vehicle is mechanically restricted to no more than the rated speed for the load
				  carried by the tire, or
(B) The
				  vehicle, or combination of vehicles carries, on the rear of the last vehicle, a
				  sign showing the maximum speed for the tire load (Figure 1 Speed Restriction
				  Sign). The sign shall be located so that a following driver can read it with
				  ease.
(C) The background of the
				  Speed Restriction Sign shall be yellow, extending at least 1 inch (26 mm)
				  beyond the words. The letter on the sign shall be at least 4 inches (100 mm)
				  high, with a stroke 1/2 inch (13 mm) wide. All words may be on one line.
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(4) Tire loading restrictions for
				  manufactured homes. Tires used for the transportation of manufactured homes
				  (i.e., tires marked or labeled 7-14.5MH or 8-14.5MH) may be loaded up to 18
				  percent over the load rating marked on the sidewall of the tire or, in the
				  absence of such a marking, 18 percent over the load rating specified in any of
				  the publications of any of the organizations listed in FMVSS No. 119, pursuant
				  to 49 CFR
				  393.75(g). Manufactured
				  homes which are labeled on or after November 16, 1998, shall comply with
				  24 CFR
				  3282.7(r), April 1, 1998.
				  Manufactured homes transported on tires overloaded by 9 percent or more must
				  not be operated at speeds exceeding 50 mph (80 km/h).
(5) Vehicles that do not have a mechanically
				  restricted speed or the reduced speed sign, or do have the sign but do not
				  comply with the reduced speed shown on the sign, shall not carry increased tire
				  loads.