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HSChapter 84
U.S. imports of threshing machinery (excluding combine harvester-threshers) (HS 843352) totaled $1.3M in June 2026, traded with 10 countries.
Importers of Threshing Machinery (Excluding Combine Harvester-Threshers) paid $118K in duties in June 2026 — an effective duty rate of 9.6% on $1.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Threshing Machinery (Excluding Combine Harvester-Threshers) imports of $1.3M in June 2026 ran 31% below the year-to-date monthly average of $2.0M.
Stand-alone threshers that separate grain from stalks and husks without performing the reaping function are classified under a single 10-digit line (8433520000), distinguishing them from combine harvester-threshers under 843351. The United Kingdom leads US imports under this heading, with Italy and Canada also supplying equipment used in specialty-crop and small-farm operations where dedicated threshing remains practical. These machines serve niche markets — including seed-cleaning operations, organic grain producers, and developing-market export programs — where the combine's integrated approach is either cost-prohibitive or operationally unsuitable.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
A machine whose primary function is threshing (separating grain from the plant) with an integrated cleaning/winnowing stage is still classified as a thresher under 843352. Machines whose sole function is cleaning or grading already-threshed grain are classified under heading 843360 (machines for cleaning, sorting, or grading seed or grain). The essential character and design intent of the machine govern.
No. Heading 843352 covers threshing machinery regardless of power source or mobility. Both PTO-driven field-portable units and stationary electrically powered barn threshers fall under 8433520000, as the heading does not subdivide by drive type or portability.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| UNITED KINGDOM | $1.0M | -- | -$1.0M |
| CANADA | $129K | $43K | -$86K |
| BRAZIL | $123K | -- | -$123K |
| ITALY | $55K | -- | -$55K |
| CHILE | -- | $40K | +$40K |
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8433520000 | THRESHING MACH, EXC COMBINE HARVESTER-THRESHERS | $1.3M | 8.72% | 90.44% | $118K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8433520000 | THRESHING MACH, EXC COMBINE HARVESTER-THRESHERS | $98K |
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
AUTOMATIC DATA PROCESSING UNITS, N.E.S.O.I.
HS 847180
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| Arkansas | $673K | -- | -$673K |
| Kansas | $218K | $5K | -$213K |
| North Dakota | $218K | -- | -$218K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAVANNAH, GA | $673K | -- | -$673K |
| NORFOLK-NEWPORT NEWS, VA | $360K | -- | -$360K |
| PORT EVERGLADES, FL | $123K | -- | -$123K |