Briggs & Stratton 31R977 Engine for Cultivators

Briggs & Stratton's 31R977 is a high-performance spark-ignition engine for rotary tillers and cultivators in horticultural applications. Classified under HTS 8407.90.10 as it's a rotary internal combustion piston engine to be installed in agricultural or horticultural machinery.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8407.34Lower: 25% vs 35%

If power exceeds 373kW for marine propulsion

Higher power spark-ignition engines for boats use aircraft/marine specific subheadings.

8479.89.65Lower: 20.3% vs 35%

If sold as complete machinery rather than engine for installation

Assembled machines/equipment for mechanical appliances fall under heading 8479.

8407.90.90Same rate: 35%

If intended for garden tools not qualifying as horticultural machinery

Consumer garden equipment engines may fall under general industrial category.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide detailed bill of materials showing it's an unfinished engine for installation, not a complete machine

Label with power output in kW and confirm <18.65kW threshold if applicable

Avoid misclassification by including end-use statements from buyer specifying ag/hort machinery