Modern tyre technology

EMT Marking Explained: Goodyear’s Identification for Run-Flat (ROF) Tires

Feb 1, 2026

General, Tire Standards

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When checking a tyre sidewall, you may come across the marking EMT and wonder what it means — and whether it’s different from Run-On-Flat tyres. The key thing to understand is this: EMT is Goodyear’s specific marking used to identify its run-flat tyre technology.Other tyre manufacturers use different markings for their own run-flat versions. What…