As per Tire & Rim Association, Inc there are different codes of OTR tires that are further classified by Tire tread, thickness TRA code classifications includes. Regular Tread (E-2 / E-3 / G-2 / G-3 / C-2 / C-3 /) Deep Tread (E-4 / C-4 / C-4S) & Extra Deep Tread (L-5 / L-5S) Customers can choose the appropiate TRA code as per their specific requirements, the detailed information of which (or TRA codes) depending upon various applications is mention below.

Note : Designates Recommended TRA Code against suitable applications