Importers of HS 8509.40 (food grinders, processors and mixers; fruit or vegetable jui) from Vietnam actually paid 14.2% on the taxed portion of the value in 2026-06 — 14.2% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 4.2%. Over the window the rate on the taxed portion moved 4.2% → 14.2%, with the largest single step +9.8pp in 2025-09. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 4.2% — importers actually paid 14.2%, so the trade-war overlay added 10 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8509.40", origin: "Vietnam") · see it at trimtabist.com/tariffs
HS 8509.40. The schedule base rate is 4.2%; importers from Vietnam actually paid 14.2% on the dutiable value in 2026-06 — the trade-war overlay added 10 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 4.2% (2023-07) → 14.2% (2026-06), largest single step +9.8pp in 2025-09.
China's lower duty (12.9% vs 14.2%) lets it price up to 1.2% above Vietnam at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, China actually lands cheaper — $5.28/kg vs $6.52/kg (duty in, freight out).
2 Chapter-99 measures name Vietnam; 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 Vietnam · the whole tariff ledger · 2 CBP rulings cite this code · reproduce: tariff_story(hs: "8509.40", origin: "Vietnam") via /connect. Not customs or legal advice.