HTS heading 8457 · Chapter 84
HTS 8457: Machining centers, unit construction machines and…
HTS heading 8457 covers machining centers, unit construction machines (single station) and multistation transfer machines, for working metal. It has 3 tariff lines with a duty rate; the general (MFN) rates are 3.3% (2 lines), 4.2% (1 line).
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| 8457.10.00 | Machining centers | 4.2% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 30% | |
| 8457.10.00.05 | Used or rebuilt[No.] | Estimate → | |||
| Other: | |||||
| With automatic tool changers | |||||
| Vertical-spindle machines with a Y-axis travel of-- | |||||
| 8457.10.00.15 | Not over 660 mm[No.] | Estimate → | |||
| 8457.10.00.25 | Over 660 mm[No.] | Estimate → | |||
| Horizontal-spindle machines with a Y-axis travel of-- | |||||
| 8457.10.00.55 | Not over 685 mm[No.] | Estimate → | |||
| 8457.10.00.60 | Over 685 mm but not over 1,016 mm[No.] | Estimate → | |||
| 8457.10.00.65 | Over 1,016 mm[No.] | Estimate → | |||
| 8457.10.00.70 | Other[No.] | Estimate → | |||
| 8457.10.00.75 | Other[No.] | Estimate → | |||
| 8457.20.00 | Unit construction machines (single station) | 3.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30% | |
| 8457.20.00.10 | Numerically controlled[No.] | Estimate → | |||
| 8457.20.00.90 | Other[No.] | Estimate → | |||
| 8457.30.00 | Multistation transfer machines | 3.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 30% | |
| 8457.30.00.10 | Numerically controlled[No.] | Estimate → | |||
| 8457.30.00.90 | Other[No.] | Estimate → |
15 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 8457.10.00 at the general rate of 4.2%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (4.2%) | $420.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $467.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- JP
- U.S.–Japan Trade Agreement
- KR
- U.S.–Korea FTA (KORUS)
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.