8408.90.90.50
Compression-ignition internal combustion piston engines (diesel or semi-diesel engines) / Exceeding 1,119 kW
Classification path
- Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)
- Other engines
- Other
- Exceeding 1,119 kW
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- 35%
- Unit of quantity
- No.
Related lines in heading 8408
- 8408.10.00.05Compression-ignition internal combustion piston engines (diesel or semi-diesel engines) / Marine propulsion engines / Not exceeding 111.9 kW2.5%
- 8408.10.00.15Exceeding 111.9 kW but not exceeding 149.2 kW2.5%
- 8408.10.00.20Exceeding 149.2 kW but not exceeding 223.8 kW2.5%
- 8408.10.00.30Exceeding 223.8 kW but not exceeding 373 kW2.5%
- 8408.10.00.40Exceeding 373 kW but not exceeding 746 kW2.5%
- 8408.10.00.50Compression-ignition internal combustion piston engines (diesel or semi-diesel engines) / Marine propulsion engines / Exceeding 746 kW2.5%
- 8408.20.10.40To be installed in tractors suitable for agricultural use / Not exceeding 37.3 kWFree
- 8408.20.10.80To be installed in tractors suitable for agricultural use / Exceeding 37.3 kWFree
- 8408.20.20.00To be installed in vehicles of subheading 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29, or heading 8702, 8703 or 87042.5%
- 8408.20.90.00Engines of a kind used for the propulsion of vehicles of chapter 87 / Other2.5%
- 8408.90.10.40To be installed in agricultural or horticultural machinery or equipment / Not exceeding 37.3 kWFree
- 8408.90.10.80To be installed in agricultural or horticultural machinery or equipment / Exceeding 37.3 kWFree
About heading 8408
Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)
Heading 8408 covers compression-ignition internal combustion piston engines, meaning diesel or semi-diesel engines. It splits by use: marine propulsion engines in 8408.10, engines for propulsion of chapter 87 vehicles in 8408.20, and other engines in 8408.90, with power thresholds inside those groups.
Full guide to heading 8408Products in this heading
- Marine diesel propulsion engines for boats
- Diesel engines for agricultural tractors
- Diesel engines for trucks and buses
- Diesel engines for passenger cars
- Diesel engines for agricultural or horticultural machinery
- Stationary diesel engines for industrial equipment
- Diesel engines for construction machinery
Frequently asked questions
What is the HTS code for a marine diesel engine?
Marine diesel propulsion engines are classified in 8408.10. For example, 8408.10.00.05 covers engines not exceeding 111.9 kW and has a 2.5% general (MFN) rate.
What is the duty on a diesel engine for an agricultural tractor?
Engines to be installed in tractors suitable for agricultural use are free: 8408.20.10.40 for not exceeding 37.3 kW and 8408.20.10.80 for exceeding 37.3 kW, both at Free general (MFN).
How do I classify a diesel engine over 746 kW for other use?
For other engines, use 8408.90.90.40 for exceeding 746 kW but not exceeding 1,119 kW and 8408.90.90.50 for exceeding 1,119 kW, both at Free general (MFN).
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.