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HSChapter 84
U.S. imports of non-self-propelled boring or sinking machinery (nesoi) (HS 843049) totaled $7.0M in April 2026, traded with 20 countries.
Importers of Non-Self-Propelled Boring or Sinking Machinery (NESOI) paid $620K in duties in April 2026 — an effective duty rate of 11% on $5.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Non-Self-Propelled Boring or Sinking Machinery (NESOI) imports of $7.0M in April 2026 ran 19% above the year-to-date monthly average of $5.9M.
Last updated: April 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.
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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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $1.4M | $2.2M | +$819K |
| UNITED KINGDOM | $669K | $2.7M | +$2.0M |
| JAPAN | $90K | $2.9M | +$2.9M |
| AUSTRALIA | $2.0M | $138K | -$1.9M |
| GERMANY | $1.6M | -- | -$1.6M |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8430498050 | BORING OR SINKING MACHINERY, NESOI | $3.9M | 10.00% | $330K |
| 8430498010 | BOR,SINK MACH,ROTARY,OIL WELL & GAS FIELD DRILLING | $1.6M | 15.60% | $173K |
| 8430494000 | OFFSHORE OIL AND NATURAL GAS DRILL & PROD PLATFORM | $960K | 10.66% | $102K |
| 8430498020 | BOR OR SINK MACH FOR OIL WELL & GAS FLD DRIL,NESOI | $482K | 10.00% | $14K |
| 8430498030 | BOR OR SINK MACH, MACH, ROTARY, WATER WELL DRILLIN | $44K | -- | -- |
| 8430498040 | BOR OR SINK MACH FOR WATER WELL DRILLING, NESOI | $34K | 35.01% | $1K |
BORING OR SINKING MACHINERY, NESOI
BOR,SINK MACH,ROTARY,OIL WELL & GAS FIELD DRILLING
OFFSHORE OIL AND NATURAL GAS DRILL & PROD PLATFORM
BOR OR SINK MACH FOR OIL WELL & GAS FLD DRIL,NESOI
BOR OR SINK MACH, MACH, ROTARY, WATER WELL DRILLIN
BOR OR SINK MACH FOR WATER WELL DRILLING, NESOI
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8430498050 | BORING OR SINKING MACHINERY, NESOI | $4.9M |
| 8430498030 | BOR OR SINK MACH, MACH, ROTARY, WATER WELL DRILLIN | $2.9M |
| 8430498020 | BOR OR SINK MACH FOR OIL WELL & GAS FLD DRIL,NESOI | $995K |
| 8430494000 | OFFSHORE OIL AND NATURAL GAS DRILL & PROD PLATFORM | $495K |
| 8430498040 | BOR OR SINK MACH FOR WATER WELL DRILLING, NESOI | $202K |
| 8430498010 | BOR,SINK MACH,ROTARY,OIL WELL & GAS FIELD DRILLING | $0 |
BORING OR SINKING MACHINERY, NESOI
45 no
BOR OR SINK MACH, MACH, ROTARY, WATER WELL DRILLIN
20 no
BOR OR SINK MACH FOR OIL WELL & GAS FLD DRIL,NESOI
393 no
OFFSHORE OIL AND NATURAL GAS DRILL & PROD PLATFORM
1.9K kg
BOR OR SINK MACH FOR WATER WELL DRILLING, NESOI
12 no
BOR,SINK MACH,ROTARY,OIL WELL & GAS FIELD DRILLING
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| Texas | $1.7M | $4.2M | +$2.6M |
| Ohio | $14K | $2.7M | +$2.7M |
| California | $1.0M | $107K | -$915K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $95K | $2.9M | +$2.8M |
| FREEPORT, TX | -- | $2.6M | +$2.6M |
| HOUSTON INTERCONTINENTAL AIRPORT, TX | $609K | $566K | -$44K |