Importers of HS 8504.90 (other) from Thailand actually paid 10.81% on the taxed portion of the value in 2026-06 — 6.32% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is Free. Over the window the rate on the taxed portion moved null% → 10.81%, with the largest single step +10.8pp in 2025-04. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is Free — importers actually paid 10.81%, so the trade-war overlay added 10.8 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8504.90", origin: "Thailand") · see it at trimtabist.com/tariffs
HS 8504.90. The schedule base rate is Free; importers from Thailand actually paid 10.81% on the dutiable value in 2026-06 — the trade-war overlay added 10.8 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2023-07) → 10.81% (2026-06), largest single step +10.8pp in 2025-04.
Thailand's lower duty (6.32% vs 35.38%) lets it price up to 27.3% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $9.73/kg vs $50.24/kg (duty in, freight out).
2 Chapter-99 measures name Thailand; scope mapping is partial (several annexes are PDFs) — absence never means exemption. They do not sum, and some are product-specific — the collected rate above is the composed truth.
All goods from Thailand · the whole tariff ledger · 1 CBP ruling cite this code · reproduce: tariff_story(hs: "8504.90", origin: "Thailand") via /connect. Not customs or legal advice.