Transmission shafts — HTS 8483
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
Chapter 84 › Heading 8483
2026 HTS Rev 19 Synced Rules verified Operational
Written to help non-specialists understand this page. Rates, dates, and legal facts come from the official records above and on the linked source.
HTS heading 8483 is a broad product category for mechanical power-transmission parts and assemblies. It groups items that transfer, control, support, or change rotary motion, including shafts and cranks, bearing housings and bearings, gears, gearboxes and speed changers, flywheels, pulleys, clutches, shaft couplings, and parts of these products.
The 4-digit heading is only the starting point. To reach the correct 8-digit HTSUS subheading, identify the product’s specific type, function, and construction, then follow the legally organized subheadings and relevant notes. The distinctions may involve whether the item is a complete assembly or a part, its design or operating principle, and sometimes its material or intended use. Confirm the full 8-digit description rather than choosing a code based only on a familiar product name.
What to check
- Describe the item by its primary mechanical function, not just its marketing name.
- Determine whether it is a shaft, bearing product, gear, gearbox, pulley, clutch, coupling, or a part, and check whether the subheading further distinguishes its type or design.
- Review the product’s technical specifications, drawings, photographs, materials, and assembly status before selecting the 8-digit code.
- Read the complete HTSUS subheading text and any applicable section, chapter, or heading notes; do not assume all products made of the same material use the same subheading.
- Check current official HTSUS data and obtain customs-broker or classification advice when the product could fit more than one description.
HTS heading 8483 summary
Transmission shafts is a 4-digit product category containing 0 published product-code lines in this snapshot. A heading does not carry one universal duty rate; classification must be narrowed to the line matching the product facts.
How to find your code in this category
A heading is a product category. To get the exact duty, narrow from this 4-digit heading to a sub-category (usually by material), then open the 8-digit code that matches your product.
Open any code in the tables below to see its exact duty rate, a duty calculator (enter your shipment value → estimated duty and landed cost), the rate-change history chart, and the country-by-country breakdown (including Section 301/232 add-on duties).
Why you have to click in: a single category can contain products with very different duties. The rate depends on the specific product — its material and construction — and on the country of origin, and those only get pinned down at the 8-digit code level. That is why this page points you to codes instead of showing one rate for the whole category.
Sub-categories
| Code | Description |
|---|---|
| 8483.10 | Transmission shafts (including camshafts and crankshafts) and cranks |
| 8483.20 | Housed bearings, incorporating ball or roller bearings |
| 8483.30 | Bearing housings; plain shaft bearings |
| 8483.40 | 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 |
| 8483.50 | Flywheels and pulleys, including pulley blocks |
| 8483.60 | Clutches and shaft couplings (including universal joints) |
| 8483.90 | Toothed wheels, chain sprockets and other transmission elements presented separately; parts |
Common questions
What products fall under HTS heading 8483?
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. To classify a specific item you must pick the matching sub-category and 8-digit code above; the right choice usually depends on the material and construction of the product.
How do I choose the right code within this category?
Start from the sub-categories (typically divided by material—for example cotton versus man-made fibers), then open the active 8- or 10-digit code that matches the product. When unsure, a licensed customs broker or a CBP binding ruling can confirm the classification.
Reference information only, not customs, legal, or classification advice. Confirm the current code and rate against the official HTS before you import.