The independent observatory for US trade — ship movements,
customs records and policy events, measured and tested.
What Japan actually pays on HS 8703.40
Importers of HS 8703.40 (other vehicles, with both spark-ignition internal combustion) from Japan actually paid 15% on the taxed portion of the value in 2026-06 — 14.93% 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% → 15%, with the largest single step +23.1pp in 2025-04. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 2.5% — importers actually paid 15%, so the trade-war overlay added 12.5 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8703.40", origin: "Japan") · see it at trimtabist.com/tariffs
HS 8703.40. The schedule base rate is
2.5%; importers from Japan actually paid 15% on the
dutiable value in 2026-06 — the trade-war overlay added 12.5 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved 2.5% (2023-07) → 15% (2026-06), largest single step +23.1pp in 2025-04.
The trade-war measures that name Japan or this sector
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.
Notice of Implementation of Additional Duties on Products of India Pursuant to the President's Executive Order measure 9903.01.84 · Federal Register citation+25%
9903.40.05 measure 9903.40.05+25%
9903.40.10 measure 9903.40.10+25%
Amending the Procedures To Administer Import Adjustment Offset Amounts for Certain Imports of Automobile Parts measure 9903.74.08 · Federal Register citation+25%
Implementing Certain Tariff-Related Elements of the U.S.-Korea Strategic Trade and Investment Deal measure 9903.76.02 · Federal Register citation+25%
Implementing Certain Tariff-Related Elements of the U.S.-Korea Strategic Trade and Investment Deal measure 9903.76.03 · Federal Register citation+25%
Notice of Implementation of Addressing Certain Tariffs on Imported Articles Pursuant to the President's Execut measure 9903.94.01 · Federal Register citation+25%
Implementing Certain Tariff-Related Elements of the U.S.-EU Framework on an Agreement on Reciprocal, Fair, and measure 9903.02.02 · Federal Register citation+15%
In print: “What Japan actually pays on HS 8703.40 (HS 8703.40)” —
Trimtab US Trade Ledger (TT-010 Duty receipts), US Census imports-for-consumption records — trimtabist.com/tariff/870340/japan