Harmonized Tariff Schedule of the United States · HTS code · HS 8433.90
8433.90.50: Harvesting or threshing machinery, including straw: parts, other
Parts of harvesting and mowing machinery
Not declarable on its own: use one of its 5 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026
- 8433 Harvesting or threshing machinery, including straw or fodder balers; grass or hay mowers; machines for cleaning, sorting or grading eggs, fruit or other agricultural produce, other than machinery of heading 8437; parts thereof:
- 8433.90 Parts:
- 8433.90.50 Other
What you pay
Importing into USA
US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 3
- Additional dutySection 232 — Steel, aluminium, copper and derivatives 15%
- Applies to goods from
- all countries except Cuba, North Korea, Russia, Belarus
- In force
- from 6 April 2026
- Legal act
- HTSUS 9903.82.10
- Additional dutySection 232 — Steel, aluminium, copper and derivatives 25%
- Applies to goods from
- Belarus, Cuba, North Korea, Russia
- In force
- from 6 April 2026
- Legal act
- HTSUS 9903.82.12
- Additional dutySection 232 — Steel, aluminium, copper and derivatives 25%
- Applies to goods from
- Russia
- In force
- from 6 April 2026
- Legal act
- HTSUS 9903.82.17
Subdivisions
- 8433.90.50 Other Free
- 8433.90.50.10 Road wheels No.
- 8433.90.50.25 Of haying machines and balers No.
- 8433.90.50.45 Other No.
- 8433.90.50.60 Of machines for cleaning, sorting or grading eggs No.
- 8433.90.50.80 Of machines for cleaning, sorting or grading fruit or other agricultural produce No.
Same subheading in other tariffs
8433.90 Harvesting or threshing machinery, including straw: parts
UK Free Third-country duty 1 tariff line 
EU Free Third-country duty 1 tariff line 
Türkiye Free Third-country duty 6 tariff lines 
Canada Free General (MFN) 5 tariff lines 
Mexico 25% General (MFN) 3 tariff lines 
Brazil 12.6% – 14.4% General (MFN) 2 tariff lines · average 13.5% 
Argentina 12.6% – 16% General (MFN) 4 tariff lines · average 13.4% 
Peru Free General (MFN) 2 tariff lines 
New Zealand Free – 5% General (MFN) 22 tariff lines · average 1.4% 
Japan Free General (MFN) 1 tariff line 
Taiwan Free General (MFN) 1 tariff line 
GCC 5% General (MFN) 11 tariff lines 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 2 tariff lines 
North Macedonia Free General (MFN) 1 tariff line 
Nigeria 5% General (MFN) 1 tariff line USA lines: 8433.90
Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N351254 U.S. CBP
The tariff classification of parts of a lawn mower and subassemblies for a lawn mower from China
- N327883 U.S. CBP
The tariff classification of a Lawn Mower Deck Spindle Assembly from China.
- N324100 U.S. CBP
The tariff classification of a spindle housing from China.
- N312224 U.S. CBP
The tariff classification of assemblies for lawn mowers from China.
- 600016163 HMRC
It is a structural support and pivot component used within the robotic mower assembly. It provides a mounting interface between connected assemblies while incorporating bushings that enable controlled movement and positioning of associated components. Its primary functions include: Providing…
- 600016162 HMRC
The Skid Plate is a replaceable protective component designed for use on a robotic lawn mower. It is mounted on the underside of the machine and serves to protect the mower's chassis and critical internal components from wear, impacts, and abrasion encountered during normal operation. Its primary…
- 600016164 HMRC
The Cutting Disc (Lower) is a replaceable cutting assembly designed specifically for the companies robotic mower. Its primary purposes include: Supporting and retaining the pivoting cutting blades used by the mower. Rotating at high speed to provide an even and efficient grass-cutting action.…
- 600013764 HMRC
Application Board (PCBA) designed specifically for robotic lawn mowers. These boards integrate microcontrollers, motor drivers, sensor interfaces, and communication modules to enable autonomous mowing and user interaction. The ‘Obstacle detection function’ has been not integrated onto the board.…
20 rulings in total for this code
Legal notes
HTS code 8433.90.50 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 8433.90 (harvesting or threshing machinery, including straw: parts).
The general duty is free.
5 statistical sub-lines below it are used in the declaration.
For the same subheading, the UK duty is free, the EU duty is free, the Türkiye duty is free, the Canada duty is free, the Mexico duty is 25%, the Brazil duty is 12.6%–14.4%, the Argentina duty is 12.6%–16%, the Peru duty is free, the New Zealand duty is 0%–5%, the Japan duty is free, the Taiwan duty is free, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 5%.
The United States imported goods of subheading 8433.90 worth US$1.3bn in 2024; the largest supplier was Canada.
Questions and answers
What is the USA import duty for HTS code 8433.90.50?
The general duty in the Harmonized Tariff Schedule of the United States is free. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Where does the United States import these goods from?
For subheading 8433.90 as a whole, the largest supplier in 2024 was Canada (US$532m), followed by Germany.
Typical products
Everyday names, not part of the legal text.