Importers of HS 8504.22 (having a power handling capacity exceeding 650 kva but not e) from Thailand actually paid 18.62% on the taxed portion of the value in 2026-06 — 18.62% 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% → 18.62%, with the largest single step -19pp in 2026-02. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is Free — importers actually paid 18.62%, so the trade-war overlay added 18.6 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8504.22", origin: "Thailand") · see it at trimtabist.com/tariffs
HS 8504.22. The schedule base rate is Free; importers from Thailand actually paid 18.62% on the dutiable value in 2026-06 — the trade-war overlay added 18.6 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2024-11) → 18.62% (2026-06), largest single step -19pp in 2026-02.
Thailand's lower duty (18.62% vs 49.84%) lets it price up to 26.3% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $2.56/kg vs $6.04/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 · reproduce: tariff_story(hs: "8504.22", origin: "Thailand") via /connect. Not customs or legal advice.