Importers of HS 8415.83 (not incorporating a refrigerating unit) from Mexico actually paid 20.64% on the taxed portion of the value in 2026-06 — 19.8% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 1.4%. Over the window the rate on the taxed portion moved 1.4% → 20.64%, with the largest single step +23.5pp in 2025-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 1.4% — importers actually paid 20.64%, so the trade-war overlay added 19.2 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8415.83", origin: "Mexico") · see it at trimtabist.com/tariffs
HS 8415.83. The schedule base rate is 1.4%; importers from Mexico actually paid 20.64% on the dutiable value in 2026-06 — the trade-war overlay added 19.2 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 1.4% (2023-07) → 20.64% (2026-06), largest single step +23.5pp in 2025-03.
5 Chapter-99 measures name Mexico; 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 Mexico · the whole tariff ledger · reproduce: tariff_story(hs: "8415.83", origin: "Mexico") via /connect. Not customs or legal advice.