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HSChapter 84
U.S. imports of parts of milking machines and dairy machinery (HS 843490) totaled $6.4M in June 2026, traded with 34 countries.
Importers of Parts of Milking Machines and Dairy Machinery paid $396K in duties in June 2026 — an effective duty rate of 7.8% on $5.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Parts of Milking Machines and Dairy Machinery imports of $6.4M in June 2026 ran 39% above the year-to-date monthly average of $4.6M.
Replacement components for both milking equipment and dairy processing machinery — teat cup liners, pulsators, separator discs, valve assemblies, and similar items — are classified together under a single US tariff line (8434900000). The Netherlands and Germany are the leading US suppliers, mirroring their dominance in the parent machinery categories and reflecting the aftermarket support networks that major European equipment manufacturers maintain. Correct classification of parts requires confirming that the component is dedicated to milking or dairy machinery rather than to general food-processing equipment, which would fall under heading 8438 or 8439.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Teat cup liners and similar rubber components that are identifiable as parts of milking machines are generally classified under 8434.90 by application of Note 2 to Section XVI, which directs parts suitable for use solely or principally with a specific machine to that machine's heading. Generic rubber tubing or fittings not dedicated to milking equipment would typically be classified under their own material-based headings. A binding ruling from CBP is advisable for high-volume consumable parts where classification is contested.
Israel is a notable supplier in this category. The US–Israel Free Trade Agreement is one of the oldest US bilateral FTAs and provides duty-free or reduced-duty treatment for qualifying goods of Israeli origin. Importers should obtain a certificate of origin and verify that the parts meet the agreement's rules-of-origin requirements to claim preferential treatment at entry.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $800K | $2.7M | +$1.9M |
| GERMANY | $593K | $1.2M | +$598K |
| DENMARK | $559K | $1.1M | +$581K |
| PHILIPPINES | $1.4M | -- | -$1.4M |
| NEW ZEALAND | $602K | $93K | -$509K |
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 |
|---|---|---|---|---|---|
| 8434900000 | PARTS OF MILKING MACHINES AND DAIRY MACHINERY | $6.4M | 6.20% | 79.82% | $396K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8434900000 | PARTS OF MILKING MACHINES AND DAIRY MACHINERY | $8.0M |
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 |
|---|---|---|---|
| Wisconsin | $2.6M | $2.6M | -$63K |
| Illinois | $820K | $2.4M | +$1.6M |
| Unidentified | -- | $1.1M | +$1.1M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NORFOLK-NEWPORT NEWS, VA | $971K | $1.2M | +$190K |
| CHICAGO, IL | $836K | $808K | -$28K |
| LOW VALUE | -- | $1.1M | +$1.1M |