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HSChapter 84
U.S. imports of self-propelled tamping machines and road rollers (HS 842940) totaled $53.6M in April 2026, traded with 16 countries.
Importers of Self-Propelled Tamping Machines and Road Rollers paid $13.8M in duties in April 2026 — an effective duty rate of 26% on $53.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Self-Propelled Tamping Machines and Road Rollers imports of $53.6M in April 2026 ran 15% above the year-to-date monthly average of $46.7M.
Last updated: April 2026 dataVibratory compaction equipment — including single-drum and tandem rollers, pneumatic-tire rollers, and soil tampers — is essential to pavement and embankment construction and is subdivided in the US schedule by operating principle and condition. Vibratory new units enter under 8429400020, other new types under 8429400040, and used or rebuilt equipment under 8429400060. Germany leads US imports in this heading, consistent with the strong global market position of German compaction-equipment manufacturers, with Brazil and Italy also significant sources.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
A vibratory roller incorporates an eccentric-weight or hydraulic mechanism that generates oscillating compaction force through the drum, whereas a static roller relies solely on deadweight. The distinction is relevant because vibratory new units are specifically enumerated under 8429400020, while static and other non-vibratory new rollers fall under the residual new-unit line 8429400040.
Potentially yes, but the importer must be prepared to demonstrate the machine's prior US use or export history to support any applicable duty treatment. If the unit was substantially rebuilt abroad, CBP may scrutinize country-of-origin and value. Consulting a licensed customs broker before re-importation is advisable.
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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 |
|---|---|---|---|---|
| 8429400020 | TAMPING MACHINES AND ROAD ROLLERS, VIBRATORY, NEW | $47.0M | 25.39% | $11.9M |
| 8429400040 | TAMPING MACHINES AND ROAD ROLLERS, NEW, NESOI | $5.4M | 31.72% | $1.7M |
| 8429400060 | TAMPING MACHINES AND ROAD ROLLERS, USED OR REBUILT | $1.2M | 19.51% | $233K |
TAMPING MACHINES AND ROAD ROLLERS, VIBRATORY, NEW
TAMPING MACHINES AND ROAD ROLLERS, NEW, NESOI
TAMPING MACHINES AND ROAD ROLLERS, USED OR REBUILT
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8429400040 | TAMPING MACHINES AND ROAD ROLLERS, NEW, NESOI | $8.6M |
| 8429400060 | TAMPING MACHINES AND ROAD ROLLERS, USED OR REBUILT | $4.3M |
| 8429400020 | TAMPING MACHINES AND ROAD ROLLERS, VIBRATORY, NEW | $2.6M |
TAMPING MACHINES AND ROAD ROLLERS, NEW, NESOI
145 no
TAMPING MACHINES AND ROAD ROLLERS, USED OR REBUILT
165 no
TAMPING MACHINES AND ROAD ROLLERS, VIBRATORY, NEW
92 no
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 |
|---|---|---|---|
| Tennessee | $21.2M | $1.8M | -$19.4M |
| South Carolina | $10.8M | $1.0M | -$9.8M |
| Texas | $5.4M | $2.1M | -$3.2M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| BALTIMORE, MD | $13.6M | $111K | -$13.5M |
| CHARLESTON, SC | $11.0M | -- | -$11.0M |
| GALVESTON, TX | $8.8M | $598K | -$8.2M |