Importers of HS 8429.51 (wheel-type) from Korea, South actually paid 17.34% on the taxed portion of the value in 2026-06 — 15.05% 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% → 17.34%, with the largest single step -15.6pp in 2025-12. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is Free — importers actually paid 17.34%, so the trade-war overlay added 17.3 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8429.51", origin: "Korea, South") · see it at trimtabist.com/tariffs
HS 8429.51. The schedule base rate is Free; importers from South Korea actually paid 17.34% on the dutiable value in 2026-06 — the trade-war overlay added 17.3 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2023-07) → 17.34% (2026-06), largest single step -15.6pp in 2025-12.
Korea, South's lower duty (15.05% vs 49.33%) lets it price up to 29.8% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Korea, South actually lands cheaper — $9.73/kg vs $10.2/kg (duty in, freight out).
All goods from South Korea · the whole tariff ledger · reproduce: tariff_story(hs: "8429.51", origin: "South Korea") via /connect. Not customs or legal advice.