Rolls-Royce M250-C40B Turboshaft Engine
Rolls-Royce M250-C40B is a turboshaft engine exceeding 600 kW, powering civil helicopters like the Bell 407. It qualifies under HTS 8407.10.0040 for new rotary spark-ignition engines over 373 kW intended for civil aircraft.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for military helicopters
Military-specific turboshaft engines are directed to 8407.34 provisions based on defense end-use.
If hybrid or compression-ignition type
Diesel (compression-ignition) aircraft engines fall under heading 8406, distinct from spark-ignition.
If part of unmanned aerial systems machinery
Engines integral to UAS classified as machines may shift to Chapter 84 heading 8479.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide thrust horsepower ratings and test data confirming >373 kW; secure end-user certificates for civil rotorcraft; avoid misclassification by specifying non-military variants
Related Products under HTS 8407.10.00.40
PT6A-67A Turboprop Engine
The PT6A-67A is a high-power turboprop engine manufactured by Pratt & Whitney Canada, rated at over 1,000 kW, used in civil aircraft such as the Beechcraft King Air series. It falls under HTS 8407.10.0040 as a new spark-ignition rotary internal combustion engine exceeding 373 kW, specifically designed for civil aircraft applications.
Garrett TPE331-10 Turboprop Engine
The TPE331-10 from Honeywell (formerly Garrett) delivers over 700 kW for civil turboprop aircraft like the Fairchild Merlin III. Classified in HTS 8407.10.0040 as a new aircraft engine over 373 kW with spark-ignition rotary piston design for civil aviation.
Pratt & Whitney PT6A-42A Turboprop Engine
The PT6A-42A turboprop engine from Pratt & Whitney, rated above 600 kW, equips civil aircraft such as the Cessna Caravan. HTS 8407.10.0040 covers this new spark-ignition rotary engine over 373 kW for civil use.
Honeywell TPE331-12JR Turboprop Engine
Honeywell's TPE331-12JR turboprop engine surpasses 800 kW, used in civil aircraft like the Dornier 328. It is classified under HTS 8407.10.0040 as a new, high-power rotary spark-ignition engine for civil aviation.