Nuclear Reactors, Boilers, Machinery · $54.6M monthly imports · 100% from 1 countries · Updated daily from USITC
General
Free
Special
Free
Column 2
Free
Trade Agreement Eligibility
Monthly Imports
$54.6M
2026-01
Trade Concentration
100%
from top 3 of 1 origins
Regulatory Pressure
LOW
6 rulings — · 0 reg · 0 cases
Global Rates
🇺🇸 Free
🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 2 NCM codes
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Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates monthly
100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.
List 1 — ~$34B of Chinese goods (machinery, electronics, industrial components)
Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.
Effective 2018-07-06
These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →
| Code | Description | Rate |
|---|---|---|
| 8483.50 | Flywheels and pulleys, including pulley blocks: | — |
| 8483.50.40.00 | Gray-iron awning or tackle pulleys, not over <il>6.4 cm</il> in wheel diameter | 5.7% |
| 8483.50.60.00 | Flywheels | 2.8% |
| 8483.50.90 | Other | 2.8% |
| 8483.50.90.40 | Grooved pulleys | — |
| 8483.50.90.80 | Other | — |
Protest No. 3801-9-002336; pulleys; automotive pulleys; HQ084120 (04/07/89); Subheading 8483.50.80; Heading 8409; parts ofengines; Heading 8708; parts of motor vehicles; Section XVI, note1(l); Section XVII, note 2(e); Explanatory Note 84.83. Subheading 8483.50; Section XVI, note 2(a).
NY 883907 Modified; Automotive Tensioning Pulley, Timing Belt Tensioner; Pulley Wheel; Automotive Engine Component for Adjusting and Maintaining Ignition Timing; Parts of Internal Combustion Engines, Subheading 8409.91.91; Nidec Corporation v. U.S., Section XVI, Note 2, HQ 087166
The tariff classification, country of origin and marking of pulleys from Canada
The tariff classification of chain sheave rollers from China
Internal Advice 12/99; Pulley Vibration Damper for Internal Combustion Engine
Protests 4101-02-100335, semiautomatic precision layer respooling machine; 4101-02-100336, vertical left and right machines; 4101-02-100337, pail packer machine; 4101-02-100355, semiautomatic precision layer respooling machine; 4101-02-100356, coating tanks for welded wires
GROOVED PULLEYS, NESOI
Census Bureau export classification matching this HTS import code.
