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HSChapter 84
U.S. imports of non-self-propelled boring or sinking machinery (nesoi) (HS 843049) totaled $8.6M in July 2026, traded with 25 countries.
Importers of Non-Self-Propelled Boring or Sinking Machinery (NESOI) paid $229K in duties in July 2026 — an effective duty rate of 14% on $1.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Non-Self-Propelled Boring or Sinking Machinery (NESOI) imports of $8.6M in July 2026 ran 21% above the year-to-date monthly average of $7.1M.
Last updated: July 2026 dataBoring and sinking machinery that relies on external power or towing falls under this heading, spanning offshore oil and gas drilling platforms (8430494000), rotary oil and gas well drilling machines (8430498010), non-rotary oil and gas variants (8430498020), rotary water well drilling machines (8430498030), other water well drilling equipment (8430498040), and a residual NESOI line (8430498050). The breadth of these tariff lines reflects the heading's importance to both the upstream energy sector and municipal water infrastructure. Canada and the United Kingdom are the top US suppliers, with Germany also a significant source. Imports from China under this heading may be subject to Section 301 tariffs, a critical cost consideration for project procurement teams.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
80 shipments/mo
Line 8430494000 covers complete offshore drilling and production platform structures, while lines 8430498010 and 8430498020 cover the drilling machinery itself — rotary and non-rotary respectively — used on those platforms or at onshore well sites. Importers should classify based on whether the article is the platform structure or the drilling machine installed on it.
Yes. Imports from China under this heading are generally subject to Section 301 tariffs. Importers should confirm the applicable list and rate at the time of entry, as Section 301 coverage and rates can change, and consult a licensed customs broker for current guidance.
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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 |
|---|---|---|---|---|---|
| 8430498020 | Bor or Sink Mach for Oil Well & Gas Fld Dril,NESOI | $6.3M | 0.74% | 2.16% | $46K |
| 8430498050 | Boring or Sinking Machinery, NESOI | $1.2M | 9.75% | 69.79% | $114K |
| 8430498010 | Bor,Sink Mach,Rotary,Oil Well & Gas Field Drilling | $989K | 5.85% | 56.96% | $58K |
| 8430494000 | Offshore Oil and Natural Gas Drill & Prod Platform | $112K | 7.53% | 75.35% | $8K |
| 8430498040 | Bor or Sink Mach for Water Well Drilling, NESOI | $7K | 23.62% | 67.48% | $2K |
| 8430498030 | Bor or Sink Mach, Mach, Rotary, Water Well Drillin | $0 | -- | -- | -- |
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
$8.6MYoY · Pro
Exports
$9.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Canada and India together supply 88% of it.
customs district
destination
entry
rate provision · imports
81.2% enters free of duty; the effective duty rate is 2.67%.