Importers of HS 8708.93 (clutches) from Japan actually paid 6.75% on the taxed portion of the value in 2026-06 — 6.72% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 2.5%. Over the window the rate on the taxed portion moved 2.5% → 6.75%, with the largest single step +14.4pp in 2025-05. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 2.5% — importers actually paid 6.75%, so the trade-war overlay added 4.3 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8708.93", origin: "Japan") · see it at trimtabist.com/tariffs
HS 8708.93. The schedule base rate is 2.5%; importers from Japan actually paid 6.75% on the dutiable value in 2026-06 — the trade-war overlay added 4.3 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 2.5% (2023-07) → 6.75% (2026-06), largest single step +14.4pp in 2025-05.
Japan's lower duty (6.72% vs 44.88%) lets it price up to 35.8% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Japan actually lands cheaper — $7.73/kg vs $8.04/kg (duty in, freight out).
15 Chapter-99 measures name Japan; 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 Japan · the whole tariff ledger · 6 CBP rulings cite this code · reproduce: tariff_story(hs: "8708.93", origin: "Japan") via /connect. Not customs or legal advice.