Importers of HS 8711.50 (with internal combustion piston engine of a cylinder capacit) from Thailand actually paid 11.49% on the taxed portion of the value in 2026-06 — 11.49% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 2.4%. Over the window the rate on the taxed portion moved 2.4% → 11.49%, with the largest single step -28.1pp in 2026-04. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 2.4% — importers actually paid 11.49%, so the trade-war overlay added 9.1 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8711.50", origin: "Thailand") · see it at trimtabist.com/tariffs
HS 8711.50. The schedule base rate is 2.4%; importers from Thailand actually paid 11.49% on the dutiable value in 2026-06 — the trade-war overlay added 9.1 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 2.4% (2023-07) → 11.49% (2026-06), largest single step -28.1pp in 2026-04.
Thailand's lower duty (11.49% vs 37.4%) lets it price up to 23.2% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $26.82/kg vs $50.3/kg (duty in, freight out).
15 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: "8711.50", origin: "Thailand") via /connect. Not customs or legal advice.