U.S. exports of Non-Self-Propelled Boring or Sinking Machinery (NESOI) (HS 843049) totaled $13.8M in August 2026.
Importers of Non-Self-Propelled Boring or Sinking Machinery (NESOI) paid $285K in duties in August 2026, an average duty rate of 3.98% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 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.
92 import shipments a month
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.
Subheading 3 of 9 in heading 8430
Subheading 843049 · $13.8M of $90.1M
ImportsExports
Imports
$7.1MYoY · free account
Exports
$13.8MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $75.9M of Non-Self-Propelled Boring or Sinking Machinery (NESOI) and exported $107.7M.
Through August 2026. Source: U.S. Census Bureau.
Trade Directory
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8430498010 | Bor, Sink Mach, Rotary, Oil Well & Gas Field Drilling | $4.6M | 3.34% | 32.44% | $155K |
| 8430498050 | Boring or Sinking Machinery, NESOI | $1.6M | 5.35% | 40.24% | $86K |
| 8430498020 | Bor or Sink Mach for Oil Well & Gas Fld Dril, NESOI | $469K | 7.82% | 78.17% | $37K |
| 8430494000 | Offshore Oil and Natural Gas Drill & Prod Platform | $279K | 0.22% | 2.16% | $602 |
| 8430498030 | Bor or Sink Mach, Mach, Rotary, Water Well Drillin | $149K | 4.74% | 12.64% | $7K |
| 8430498040 | Bor or Sink Mach for Water Well Drilling, NESOI | $20K | 0.00% | 0.00% | -- |
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.
Exports · August 2026
destination
Canada and Venezuela together take 78% of it.
customs district
origin
entry
rate provision · imports
64.5% enters free of duty; duty collected equals 3.98% of imports for consumption.