Code 8483 40 · Heading 8483

Gear transmissions, friction gears, gearboxes, adjustable gears and ball or roller screws

This covers gear transmissions, friction gears, gearboxes and other adjustable gears, including torque converters, as well as ball and roller screws. It does not cover gears or other power-transmission components presented separately.

For example

A gearbox
A ball screw
A cylindrical-gear transmission
A friction gear

See the official tariff text

Official tariff text

Gears and gearing for machinery (excl. toothed wheels, chain sprockets and other transmission elements presented separately); ball or roller screws; gear boxes and other speed changers, incl. torque converters

How we got to this code

XVI
84
8483
8483 40

Show the steps

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section XVI Machinery and mechanical appliances; electrical equ…
Is the product a machine, apparatus or mechanical tool, or is it electrical equipment, a sound recorder or player, or a television image and sound recorder or player?
✓
Step 2 · Chapter 84 Nuclear reactors, boilers, machinery and mechanical… 1 of 2 chapters in section XVI
What is the machine, appliance or part specifically designed to do?
✓
Step 3 · Heading 8483 Transmission shafts, incl. camshafts and crankshaft… 82 of 86 headings under chapter 84
Is it a transmission shaft or crank, a bearing housing or shaft bearing, a gear system, gearbox or ball or roller screw, a flywheel or pulley, a shaft coupling or other coupling, or a separate gear or other power-transmission component or a part for one of these goods?
✓
Step 4 · Subheading 8483 40 Gears and gearing for machinery (excl. toothed whee… 4 of 7 subheadings under heading 8483
Which type is the item: a gear transmission with cylindrical gears; a gear transmission with bevel or bevel-helical gears; a worm gear; another gear transmission; a ball or roller screw; a gearbox; an adjustable gear including a torque converter but not a gearbox; or a gear, including a friction gear, that is none of these and is not a separately presented gear or other power-transmission component?

Pick the 8-digit code

Pick the description that best matches your product.

Import duty on the codes below: 3.7%

8 codes below this one

Compare the sibling codes

See all 7 codes at this level

Classification decides the rate here: from 2.7% to 6.0%.

8483 10 Transmission shafts, incl. cam shafts and crank shafts, and cranks 4.0%
8483 20 Bearing housings, incorporating ball or roller bearings, for machinery 6.0%
8483 30 Bearing housings for machinery, not incorporating ball or roller bearings; plain shaft bearings for machinery 3.4–5.7%
8483 40 Gears and gearing for machinery (excl. toothed wheels, chain sprockets and other transmission elements presented separately); ball or roller screws; gear boxes and other speed changers, incl. torque converters you are here 3.7%
8483 50 Flywheels and pulleys, incl. pulley blocks 2.7%
8483 60 Clutches and shaft couplings, incl. universal joints, for machinery 2.7%
8483 90 Toothed wheels, chain sprockets and other transmission elements presented separately; parts of transmission shafts, ball screws, couplings and other articles of heading 8483, n.e.s. 2.7–5.7%

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

Their lines2 Norwegian lines

84.83.4001 Toothed wheels and worm gears

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

Duty free

Their lines24 British lines

8483 40 21 10 For use in civil aircraft

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

25¢ each + 3.9%. Unless this line is exempt, the additional US duty brings its duty to 10.0% of its customs value where

Estimated from published US measures

Their lines9 US lines
Entry dateSept. 17, 2026

8483.40.10.00 Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 2 Norwegian lines

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

84.83.4001

Toothed wheels and worm gears

Ordinary duty

Duty free
84.83.4009

Other

Ordinary duty

Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 24 British lines

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

All 24 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

Duty free

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1599, last checked Sept. 13, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

See the 9 US lines

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

8483.40.10.00

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters, Torque converters

General rate

Free

From the EU

No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.
8483.40.30.40

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters, Gear boxes and other speed changers, Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation, Imported for use with machines for making cellulosic pulp, paper or paperboard, Fixed ratio speed changers

General rate

Free

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
8483.40.30.80

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters, Gear boxes and other speed changers, Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation, Imported for use with machines for making cellulosic pulp, paper or paperboard, Other

General rate

Free

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
8483.40.50.10

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters, Gear boxes and other speed changers, Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation, Other, Fixed ratio speed changers

General rate

2.5%

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
8483.40.50.20

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters, Gear boxes and other speed changers, Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation, Other, Gear boxes and speed changers for wind turbines, as described in statistical note 9 to this chapter

General rate

2.5%

From the EU

No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.
8483.40.50.80

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters, Gear boxes and other speed changers, Fixed ratio speed changers, multiple and variable ratio speed changers each ratio of which is selected by manual manipulation, Other

General rate

2.5%

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
8483.40.70.00

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters, Gear boxes and other speed changers, Other speed changers

General rate

25¢ each + 3.9%

From the EU

No single figure Estimated from published US measures 25¢ each + 3.9%. Unless this line is exempt, the additional US duty brings its duty to 10.0% of its customs value where the ordinary duty is lower. The amount depends on the quantity and the customs value, so we do not turn it into a percentage. US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
8483.40.80.00

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters, Ball or roller screws

General rate

3.8%

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

Show all 9 lines

8483.40.90.00

Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately; ball or roller screws; gear boxes and other speed changers, including torque converters, Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

General rate

2.5%

From the EU

No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.