Tires

Sourcing Tires for Export: Type-Approval, Sizing and Speed/Load Ratings Explained

This category covers passenger HP/UHP, touring/all-season and SUV/light-truck tires. Tires are one of the most heavily regulated automotive-parts categories for cross-border trade, so type-approval and market-specific certification should be the first thing a buyer confirms — not an afterthought. Altonex Global connects buyers with independent tire suppliers for direct RFQ and does not sell tires.

What certifications should a buyer check?

In the EU, GCC and many other UNECE-aligned markets, passenger tires are typically expected to carry ECE R30 type-approval, while commercial-vehicle and trailer tires fall under ECE R54. Tire labelling requirements (rolling resistance, wet grip, noise) are covered separately under regulations built on ECE R117. In the United States, passenger tires for light vehicles fall under FMVSS No. 139 and must carry the DOT mark plus a DOT Tire Identification Number for traceability. Always ask which specific approval(s) apply to the exact tire line being quoted, and request the actual approval documentation rather than accepting "DOT/ECE certified" as an unsupported claim (verify per supplier and per SKU).

How do I read a tire's size and rating code?

A size such as "205/55 R16 91H" breaks down as: section width in millimetres, aspect ratio as a percentage of width, construction type (R = radial), rim diameter in inches, followed by a load index and speed symbol — both of which correspond to standardised maximum load and speed tables. Confirm the load index and speed symbol match the vehicle manufacturer's requirement, not just the size.

What else should a buyer ask a tire supplier?

• Manufacturing date, decoded from the last four digits of the DOT TIN (week + year) — useful for confirming stock freshness.
• Whether the tire carries a 3-Peak Mountain Snowflake winter-traction mark, if relevant to the destination climate — this is earned through a specific snow-traction test, not a generic "all-season" label.
• Destination-market conformity requirements (for example GCC conformity marking or country-specific tire regulations), which can differ significantly from the country of manufacture's own requirements — confirm per destination before ordering.