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HSChapter 84
U.S. imports of parts for harvesting, threshing, mowing, baling, and produce-sorting machinery (HS 843390) totaled $43.6M in April 2026, traded with 53 countries.
Importers of Parts for Harvesting, Threshing, Mowing, Baling, and Produce-Sorting Machinery paid $7.5M in duties in April 2026 — an effective duty rate of 19% on $39.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Parts for Harvesting, Threshing, Mowing, Baling, and Produce-Sorting Machinery imports of $43.6M in April 2026 ran 33% below the year-to-date monthly average of $64.8M.
Last updated: April 2026 dataReplacement and service parts for the full range of agricultural field and post-harvest equipment — from lawn mower wheel and tire assemblies (8433901010) to combine harvester components and egg-sorter parts (8433905060) — are consolidated under this heading's ten US tariff lines. China is the leading supplier, followed by Canada and Mexico, creating a supply chain that spans both low-cost manufacturing and integrated North American production. Parts classification requires matching each component to the correct machine-type line, as the schedule distinguishes mower parts, haying and baler parts, harvesting and threshing machine parts, and produce-sorting machine parts in separate subheadings.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
When a part is designed or marketed for use in multiple machine types covered by different 10-digit lines under 843390, US Customs generally directs classification to the machine for which the part is principally used. If use is genuinely split, the importer should apply GRI 3(c) — the line that appears last in numerical order — or seek a binding ruling from CBP before importation to avoid reclassification risk.
Yes. Agricultural machinery parts of Chinese origin are subject to Section 301 tariffs, which add to the base MFN duty rate. Parts of Canadian or Mexican origin that meet USMCA rules of origin may qualify for preferential tariff treatment, significantly affecting landed cost. Importers should verify origin documentation and current Section 301 list applicability for each part number before entry.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8433905045 | PARTS OF MOWERS, HARVEST & THRESH MACH, NESOI | $22.0M | 13.83% | $2.9M |
| 8433901090 | PARTS OF MOWERS FOR LAWNS,PARKS,SPORT GROUND NESOI | $13.0M | 30.58% | $3.2M |
| 8433905025 | PARTS HAYING MACH & BALERS,OF HARVST & THRESH MACH | $4.1M | 18.84% | $699K |
| 8433905080 | PARTS OF MACH FOR CLEAN,SORT,GRADE FRUIT AGR PROD | $2.1M | 16.72% | $320K |
| 8433905060 | PARTS OF MACHINES FOR CLEAN, SORT OR GRADE EGGS | $1.6M | 9.01% | $139K |
| 8433901010 | WH/TR ASSM OF MOWER FR LAWN, PARK OR SPORT GROUND | $786K | 37.22% | $274K |
| 8433905010 | ROAD WHEEL OF MOWERS, HARVEST & THRESH MACHINES | $51K | 41.62% | $21K |
PARTS OF MOWERS, HARVEST & THRESH MACH, NESOI
PARTS OF MOWERS FOR LAWNS,PARKS,SPORT GROUND NESOI
PARTS HAYING MACH & BALERS,OF HARVST & THRESH MACH
PARTS OF MACH FOR CLEAN,SORT,GRADE FRUIT AGR PROD
PARTS OF MACHINES FOR CLEAN, SORT OR GRADE EGGS
WH/TR ASSM OF MOWER FR LAWN, PARK OR SPORT GROUND
ROAD WHEEL OF MOWERS, HARVEST & THRESH MACHINES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8433905040 | PARTS OF MOWERS, HARVEST & THRESH MACH, NESOI | $53.1M |
| 8433901000 | PARTS OF MOWERS FOR LAWNS, PARKS OR SPORTS GROUNDS | $21.2M |
| 8433905080 | PARTS OF MACH FOR CLEAN,SORT,GRADE FRUIT AGR PROD | $5.4M |
| 8433905060 | PARTS OF MACHINES FOR CLEAN, SORT OR GRADE EGGS | $523K |
| 8433905020 | PARTS OF HAYING MACHINES AND BALERS | $357K |
PARTS OF MOWERS, HARVEST & THRESH MACH, NESOI
650.4K no
PARTS OF MOWERS FOR LAWNS, PARKS OR SPORTS GROUNDS
3.5M no
PARTS OF MACH FOR CLEAN,SORT,GRADE FRUIT AGR PROD
46.9K no
PARTS OF MACHINES FOR CLEAN, SORT OR GRADE EGGS
689 no
PARTS OF HAYING MACHINES AND BALERS
1.8K no
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NORFOLK-NEWPORT NEWS, VA | $5.2M | $8.9M | +$3.8M |
| PEMBINA, ND | $2.8M | $10.0M | +$7.2M |
| BALTIMORE, MD | $3.8M | $8.7M | +$4.8M |