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HSChapter 84
U.S. imports of self-propelled mechanical shovels & excavators with 360-degree revolving superstructure (HS 842952) totaled $452.8M in July 2026, traded with 25 countries.
Importers of Self-Propelled Mechanical Shovels & Excavators with 360-Degree Revolving Superstructure paid $81.3M in duties in July 2026 — an effective duty rate of 18% on $448.2M in dutiable value, based on actual customs collections rather than the published tariff schedule. Self-Propelled Mechanical Shovels & Excavators with 360-Degree Revolving Superstructure imports of $452.8M in July 2026 ran 13% above the year-to-date monthly average of $401.5M.
Last updated: July 2026 dataFull-slew excavators — the dominant machine type on construction and demolition sites worldwide — are defined by their ability to rotate the upper works a full 360 degrees and are split in the US schedule primarily by undercarriage type (crawler versus non-crawler) and actuation method (hydraulic versus non-hydraulic). New crawler-mounted hydraulic units, the most common configuration, enter under 8429521010, while used and rebuilt full-slew excavators of all types are consolidated under 8429521050. Japan and South Korea together account for the preponderance of US imports, driven by the global manufacturing scale of their major excavator OEMs; Thailand has emerged as a significant production hub for Japanese-brand machines.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
3.6K shipments/mo
The defining criterion is the superstructure's rotation capability. Machines whose upper works can rotate a full 360 degrees — the standard configuration for modern hydraulic excavators — fall under 842952. Machines limited to partial-swing operation, such as backhoes mounted on a fixed frame or draglines without full-circle rotation, are classified under 842959.
Yes. Full-slew hydraulic excavators of Chinese origin are subject to Section 301 tariffs. Given that China is a top-four supplier under this heading, importers should verify the current applicable Section 301 list and any exclusion orders with a licensed customs broker prior to entry.
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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 |
|---|---|---|---|---|---|
| 8429521010 | Excavators With 360 Revol Supstr,Crawl Mt,Hyd,New | $425.4M | 18.07% | 99.02% | $76.9M |
| 8429525010 | Mech Shvl,Excavat,Shvl Load,360 Revol Stur,New | $11.1M | 16.42% | 99.88% | $1.8M |
| 8429521030 | Excavat With 360 Revol Supstr,Hyd,Exc Crawl Mt,New | $5.9M | 15.00% | 100.00% | $890K |
| 8429521020 | Excavators With 360 Revol Supstr,Crwl Mt,Ex Hy,New | $5.7M | 13.83% | 92.22% | $790K |
| 8429521050 | Excavators W/ 360 Revol Superstructure,Used,Reblt | $2.1M | 21.47% | 99.15% | $456K |
| 8429525090 | Mech Shvl Excavat,Shvl Load,360 Revol Stur,Used | $1.4M | 15.79% | 100.00% | $214K |
| 8429521040 | Excavat With 360 Revol Supstr,Exc Hyd&crawl Mt,New | $1.2M | 16.18% | 100.00% | $195K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$452.8MYoY · Pro
Exports
$100.5MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Japan and Korea, South together supply 80% of it.
customs district
destination
entry
rate provision · imports
0.0100% enters free of duty; the effective duty rate is 17.94%.