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

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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

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?

Full 8-digit codes

Pick the description that best matches your product.

8 codes below this one

Compare the sibling codes

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%

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

84.83.4001

Toothed wheels and worm gears

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.
84.83.4009

Other

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 9, 2026.

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

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

All 24 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

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

UK tariff data version v4.0.1576, last checked Aug. 3, 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).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 7 codes at this level

Previous code 8483 30

Bearing housings for machinery, not incorporating ball or roller bear…

you are here 8483 40

Gears and gearing for machinery (excl. toothed wheels, chain sprocket…

Next code 8483 50

Flywheels and pulleys, incl. pulley blocks

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, 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.