Chapter 84 · HTS release 2026HTSRev21

HTS 8407 Spark-ignition reciprocating or rotary internal combustion piston engines

Base rates and the additional US duties for imports from the main origins on entry date 2026-10-09, from the HTS Calculator duty engine.

Base rate (column 1 general): Free to 2.5%
Additional duty, main origins: 0–50%
Statistical lines: 47
Entry date shown: 2026-10-09 (dataset 1.0.0)

Additional duties for the main origins

Additional duties on 2026-10-09
Origin	Additional duty	Measures
China	10–50%	Section 232, Section 301
Mexico	0–25%	Section 232, Section 301
Canada	0–25%	Section 232, Section 301
Vietnam	10–25%	Section 232, Section 301
Germany	7.5–25%	Section 232, Section 301

Range of the Chapter 99 duties (percent of customs value) across the lines of this heading. A range means the result differs between lines or depends on facts about the goods; an asterisk marks lines whose duty also depends on a specific (per unit) base rate. Other origins (Japan, South Korea, Taiwan, India, United Kingdom and any other country): in the calculator and the API.

Chapter 99 headings on these lines

9903.05.29 Section 301
9903.05.31 Section 301
9903.05.39 Section 301
9903.05.55 Section 301
9903.05.84 Section 301
9903.05.90 Section 301
9903.05.93 Section 301
9903.05.94 Section 301
9903.74.08 Section 232
9903.74.10 Section 232
9903.74.11 Section 232
9903.82.03 Section 232
9903.82.06 Section 232
9903.82.07 Section 232
9903.82.09 Section 232
9903.82.10 Section 232
9903.88.01 Section 301
9903.88.02 Section 301
9903.88.03 Section 301
9903.88.69 Section 301
9903.94.05 Section 232
9903.94.06 Section 232
9903.94.53 Section 232

Every line, every origin, with citations

This page sums heading 8407 up. The duty for one line, origin and date comes from the duty engine:

Base rate plus each Chapter 99 line, in percent and in dollars
Citations to the Federal Register, CBP and the USITC, with the quoted text
The lines considered and not applied, and why
Any origin, any entry date from 2025-01-01 to 2026-10-09

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Lines in this heading

The 47 statistical lines of heading 8407

Each code opens the free calculator for that line on 2026-10-09: base rate, every Chapter 99 line with its citations, and the duty in dollars.

8407.10.00.20… › New › Less than 373 kW
8407.10.00.40… › New › 373 kW or over
8407.10.00.60… › For use in civil aircraft › Used or rebuilt
8407.10.00.90Aircraft engines › Other
8407.21.00.40… › Outboard motors › Less than 22.38 kW
8407.21.00.80… › Outboard motors › Other
8407.29.00.10… › Other › Inboard engines with outboard drive
8407.29.00.20… › Inboard engines with inboard drive › Less than 746 W
8407.29.00.30… › Inboard engines with inboard drive › 746 W or greater, but not exceeding 18.65 kW
8407.29.00.40… › Inboard engines with inboard drive › Exceeding 18.65 kW
8407.31.00.40… › Of a cylinder capacity not exceeding 50 cc › Less than 746 W
8407.31.00.80… › Of a cylinder capacity not exceeding 50 cc › Other
8407.32.10.00… › Of a cylinder capacity exceeding 50 cc but not exceeding 250 cc › To be installed in tractors suitable…
8407.32.20.40… › To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702,…
8407.32.20.80… › To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702,…
8407.32.90.40… › Other › Not exceeding 18.65 kW
8407.32.90.80… › Other › Exceeding 18.65 kW
8407.33.10.30… › To be installed in tractors suitable for agricultural use › Not exceeding 37.3 kW
8407.33.10.60… › Exceeding 37.3 kW › Air-cooled
8407.33.10.90… › Exceeding 37.3 kW › Other
8407.33.30.40… › To be installed in vehicles specially designed for traveling on snow, golf carts, non-amphibious…
8407.33.30.80… › To be installed in vehicles specially designed for traveling on snow, golf carts, non-amphibious…
8407.33.60.40… › Other › Used or rebuilt
8407.33.60.80… › Other › Other
8407.33.90.40… › Other › Not exceeding 18.65 kW
8407.33.90.80… › Other › Exceeding 18.65 kW
8407.34.05.30… › To be installed in tractors suitable for agricultural use › Not exceeding 37.3 kW
8407.34.05.60… › Exceeding 37.3 kW › Air-cooled
8407.34.05.90… › Exceeding 37.3 kW › Other
8407.34.14.00… › To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702,…
8407.34.18.00… › To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702,…
8407.34.25.00… › Of a cylinder capacity not exceeding 2,000 cc › Other
8407.34.35.30… › To be installed in tractors suitable for agricultural use › Not exceeding 37.3 kW
8407.34.35.60… › Exceeding 37.3 kW › Air-cooled
8407.34.35.90… › Exceeding 37.3 kW › Other
8407.34.44.00… › To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702,…
8407.34.48.00… › To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702,…
8407.34.55.00… › Of a cylinder capacity exceeding 2,000 cc › Other
8407.90.10.10… › Not exceeding 37.3 kW › Less than 4,476 W
8407.90.10.20… › Not exceeding 37.3 kW › Other
8407.90.10.60… › Other › Air-cooled
8407.90.10.80… › Other › Other
8407.90.90.10… › Other › Gas (natural or liquid propane (LP)) engines
8407.90.90.20… › Other › Less than 746 W
8407.90.90.40… › Other › 746 W or greater but less than 4,476 W
8407.90.90.60… › Other › 4,476 W or greater but not exceeding 18.65 kW
8407.90.90.80… › Other › Exceeding 18.65 kW

Recent changes

Between 2025-10-09 and 2026-10-09: the Chapter 99 headings applied changed for all 5 main origins. Dated changes, with their sources: the change list and the Tariff Change Feed.

Scope

We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.