Key facts
- HS subheading
- 8477.90
- Duty (MFN)
- 3.1%
- National lines
- 9
- Tariff
- United States
- Chapter
- 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Summary
The United States tariff splits HS 8477.90 (parts) into 9 national lines: 8477.90.25.40 (of machines of subheading 8477.10.30, 8477.10.40 or 8477.10.90), 8477.90.25.80 (other), 8477.90.45.01 (barrel screws), 8477.90.65.00 (hydraulic assemblies incorporating more than one of the following: manifold; valves; pump; oil cooler) and 5 others. The general (MFN) duty is 3.1% on all 9 lines.
United States lines under 8477.90
The United States tariff splits HS 8477.90 (parts) into 9 national lines: 8477.90.25.40 (of machines of subheading 8477.10.30, 8477.10.40 or 8477.10.90), 8477.90.25.80 (other), 8477.90.45.01 (barrel screws), 8477.90.65.00 (hydraulic assemblies incorporating more than one of the following: manifold; valves; pump; oil cooler) and 5 others.
The general (MFN) duty is 3.1% on all 9 lines.
- 8477.90.25.40Of machines of subheading 8477.10.30, 8477.10.40 or 8477.10.90Duty: 3.1%
- 8477.90.25.80OtherDuty: 3.1%
- 8477.90.45.01Barrel screwsDuty: 3.1%
- 8477.90.65.00Hydraulic assemblies incorporating more than one of the following: manifold; valves; pump; oil coolerDuty: 3.1%
- 8477.90.86.01Of injection-molding machinesDuty: 3.1%
- 8477.90.86.20Of extrudersDuty: 3.1%
- 8477.90.86.30Of blow-molding machinesDuty: 3.1%
- 8477.90.86.40Of machines for forming pneumatic tiresDuty: 3.1%
- 8477.90.86.95Other partsDuty: 3.1%
In other countries
No other national tariff on border.bot has live lines under 8477.90 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 8477.90?
The United States tariff splits HS 8477.90 (parts) into 9 national lines: 8477.90.25.40 (of machines of subheading 8477.10.30, 8477.10.40 or 8477.10.90), 8477.90.25.80 (other), 8477.90.45.01 (barrel screws), 8477.90.65.00 (hydraulic assemblies incorporating more than one of the following: manifold; valves; pump; oil cooler) and 5 others.
What is the duty on HS 8477.90 in the United States?
The general (MFN) duty is 3.1% on all 9 lines.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: