Heading 8431
HTS code 8431 — Parts suitable for use solely or principally with the machinery of headings 8425 to 8430
- Tariff lines
- 44
- General duty
- Duty-free under the general rate
Tariff lines under heading 8431
Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.
| HTS code | Description | General rate | Unit |
|---|---|---|---|
| 8431.10.0010 | Of machinery of subheading 8425.11 or 8425.19 (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8425) | Free | No. |
| 8431.10.0090 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8425) | Free | No. |
| 8431.20.0000 | Of machinery of heading 8427 (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430) | Free | No. |
| 8431.31.0020 | Of skip hoists (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8428 > Of passenger or freight elevators other than continuous action, skip hoists or escalators) | Free | No. |
| 8431.31.0040 | Of escalators (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8428 > Of passenger or freight elevators other than continuous action, skip hoists or escalators) | Free | No. |
| 8431.31.0060 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8428 > Of passenger or freight elevators other than continuous action, skip hoists or escalators) | Free | No. |
| 8431.39.0010 | Of elevators and conveyors (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8428 > Other) | Free | No. |
| 8431.39.0050 | Of oil and gas field machinery (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8428 > Other > Other) | Free | No. |
| 8431.39.0070 | Of the woodland log handling equipment of statistical reporting number 8428.90.0310 (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8428 > Other > Other) | Free | No. |
| 8431.39.0080 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8428 > Other > Other) | Free | No. |
| 8431.41.0020 | Shovel attachments (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Buckets, shovels, grabs and grips) | Free | No. |
| 8431.41.0040 | Clamshell (grappler) attachments (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Buckets, shovels, grabs and grips) | Free | No. |
| 8431.41.0060 | Dragline buckets (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Buckets, shovels, grabs and grips) | Free | No. |
| 8431.41.0080 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Buckets, shovels, grabs and grips) | Free | No. |
| 8431.42.0000 | Bulldozer or angledozer blades (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430) | Free | No. |
| 8431.43.4000 | Of offshore oil and natural gas drilling and production platforms (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Parts for boring or sinking machinery of subheading 8430.41 or 8430.49) | Free | No. |
| 8431.43.8020 | Tool joints, whether or not forged (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Parts for boring or sinking machinery of subheading 8430.41 or 8430.49 > Other > Of oil and gas field machinery) | Free | No. |
| 8431.43.8040 | Drill pipe fitted with tool joints (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Parts for boring or sinking machinery of subheading 8430.41 or 8430.49 > Other > Of oil and gas field machinery) | Free | No. |
| 8431.43.8060 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Parts for boring or sinking machinery of subheading 8430.41 or 8430.49 > Other > Of oil and gas field machinery) | Free | No. |
| 8431.43.8090 | Of other boring or sinking machinery (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Parts for boring or sinking machinery of subheading 8430.41 or 8430.49 > Other) | Free | No. |
| 8431.49.1010 | Of machinery of subheadings 8426.11, 8426.19 and 8426.30 (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Of machinery of heading 8426) | Free | No. |
| 8431.49.1060 | Of mobile lifting frames, straddle carriers and works trucks fitted with a crane (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Of machinery of heading 8426) | Free | No. |
| 8431.49.1070 | Of copper or copper alloys (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Of machinery of heading 8426 > Other) | Free | No. |
| 8431.49.1080 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Of machinery of heading 8426 > Other) | Free | No. |
| 8431.49.9005 | Backhoe attachments (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Attachments for mounting on machinery) | Free | No. |
| 8431.49.9010 | Front-end loader attachments (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Attachments for mounting on machinery) | Free | No. |
| 8431.49.9015 | Rippers and rooters (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Attachments for mounting on machinery) | Free | No. |
| 8431.49.9020 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Attachments for mounting on machinery) | Free | No. |
| 8431.49.9025 | Cast axle housings (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Parts of coal or rock cutters and tunneling machinery) | Free | No. |
| 8431.49.9032 | Of copper or copper alloys (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Parts of coal or rock cutters and tunneling machinery > Other) | Free | No. |
| 8431.49.9034 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Parts of coal or rock cutters and tunneling machinery > Other) | Free | No. |
| 8431.49.9035 | Cast axle housings (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Parts of backhoes, shovels, clamshells and draglines) | Free | No. |
| 8431.49.9036 | Road wheels (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Parts of backhoes, shovels, clamshells and draglines > Other) | Free | No. |
| 8431.49.9038 | Wheel and tire assemblies (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Parts of backhoes, shovels, clamshells and draglines > Other) | Free | No. |
| 8431.49.9039 | Of copper or copper alloys (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Parts of backhoes, shovels, clamshells and draglines > Other > Other) | Free | No. |
| 8431.49.9041 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Parts of backhoes, shovels, clamshells and draglines > Other > Other) | Free | No. |
| 8431.49.9045 | Scraper bowls for scrapers of subheadings 8429.30 and 8430.69.01 (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Other) | Free | No. |
| 8431.49.9050 | Track links (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Other) | Free | No. |
| 8431.49.9055 | Cast axle housings (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Other) | Free | No. |
| 8431.49.9081 | Steel forgings (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Other > Other) | Free | kg |
| 8431.49.9084 | Road wheels (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Other > Other > Other) | Free | No. |
| 8431.49.9090 | Wheel and tire assemblies (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Other > Other > Other) | Free | No. |
| 8431.49.9092 | Of copper or copper alloys (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Other > Other > Other > Other) | Free | No. |
| 8431.49.9094 | Other (Parts suitable for use solely or principally with the machinery of headings 8425 to 8430 > Of machinery of heading 8426, 8429 or 8430 > Other > Other > Other > Other > Other > Other > Other) | Free | No. |
Documents required to import under 8431
Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.
- Commercial InvoiceRequired
- Packing ListRequired
- Bill of Lading / Airway BillRequired
- CBP Entry Summary (7501)Required
Prepared and filed by your customs broker
- CBP Entry / Release (3461)Required
Prepared and filed by your customs broker
- Customs Bond (CBP 301)Conditional
Required for formal entries — generally shipments valued over $2,500
Single-entry or continuous bond, obtained through your broker or a surety
- Importer Security Filing (ISF "10+2")Conditional
Required for ocean freight only
Filed electronically at least 24 hours before loading at the foreign port
- Importer ID Input Record (CBP 5106)Conditional
Required to establish or update your importer-of-record number with CBP
One-time setup for a new importer; not filed per shipment
- Entry Manifest (CBP 7533)Conditional
Alternative to the 3461 for informal, low-value, or contiguous-country entries
- FCC Declaration (Form 740)Conditional
Required for electronic devices that emit radio frequency
- FDA Radiation Declaration (Form 2877)Conditional
Required for products that emit radiation (X-ray, laser, microwave, etc.)
Common questions
- What is HTS code 8431?
- HTS heading 8431 covers parts suitable for use solely or principally with the machinery of headings 8425 to 8430. It sits in Chapter 84 (machinery and mechanical appliances) of the US Harmonized Tariff Schedule and contains 44 tariff lines.
- What is the duty rate for HTS 8431?
- Duty-free under the general rate. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
- How many digits does a full HTS code have?
- US import entries require the full 10-digit HTS code. Heading 8431 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.
Related headings in Chapter 84
- 8401Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation; parts thereof
- 8402Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof
- 8403Central heating boilers (other than those of heading 8402) and parts thereof
- 8404Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof
- 8405Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers; parts thereof
- 8406Steam turbines and other vapor turbines, and parts thereof
- 8407Spark-ignition reciprocating or rotary internal combustion piston engines
- 8408Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)