Engines; rotary internal combustion piston engines, for other than aircraft or marine propulsion

HS v2022 Code: 840790

About engines; rotary internal combustion piston engines, for other than aircraft or marine propulsion

HS code 840790 covers rotary internal combustion piston engines used in a wide range of industrial and commercial applications, excluding those used for aircraft or marine propulsion. These engines play a crucial role in powering various types of machinery and equipment, contributing significantly to the global economy. Their versatility and efficiency make them indispensable in sectors such as manufacturing, construction, and transportation.

Production process

The production of rotary internal combustion piston engines involves a complex process that combines precision engineering, advanced manufacturing techniques, and strict quality control measures. Key steps include the fabrication of engine components, such as the crankshaft, pistons, and cylinder heads, using specialized machinery and advanced metalworking processes. These components are then carefully assembled, with a focus on ensuring proper alignment, lubrication, and combustion efficiency. The final engines undergo rigorous testing and inspection to ensure they meet industry standards and regulatory requirements.

Production inputs

The production of rotary internal combustion piston engines requires a range of raw materials, machinery, and other resources. Key inputs include high-quality metals, such as 720720 alloy steel, 760110 aluminum, and 732690 cast iron, which are used to fabricate the engine components. Specialized tools and equipment, such as 846711 machine tools for working metal, are also essential for the manufacturing process. Additionally, the industry relies on a skilled workforce, advanced engineering expertise, and a robust supply chain to ensure the timely and efficient production of these engines.

Production outputs

Rotary internal combustion piston engines produced under HS code 840790 are used in a variety of applications, including 842199 machinery parts, 870840 motor vehicle parts and accessories, and 842890 machinery for other industries. These engines are often consumed by industries that require reliable and efficient power sources, such as construction, agriculture, and manufacturing. The versatility of these engines allows them to be integrated into a wide range of equipment and machinery, contributing to the overall productivity and efficiency of various economic sectors.

Revisions to 840790

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 840790. The most recent 1 version of this code (840790) is in the HS v2022 system (this version):

This page shows the most recent version of code 840790.

Family tree for engines; rotary internal combustion piston engines, for other than aircraft or marine propulsion

    graph LR
    A["<a href='/classifications/hs/v2022/84'>84: Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/8407'>8407: Reciprocating or rotary internal combustion piston engines</a>"]
B --> C["<a href='/classifications/hs/v2022/840790'>840790: Engines; rotary internal combustion piston engines, for other than aircraft or marine propulsion</a>"]

    B --> D["<a href='/classifications/hs/v2022/840710'>840710: Engines; for aircraft, spark-ignition reciprocating or rotary internal combustion piston engines</a>"]
B --> E["<a href='/classifications/hs/v2022/840721'>840721: Engines; outboard motors for marine propulsion, spark-ignition reciprocating or rotary internal combustion piston engines</a>"]
B --> F["<a href='/classifications/hs/v2022/840729'>840729: Engines; for marine propulsion, (other than outboard motors), spark-ignition reciprocating or rotary internal combustion piston engines</a>"]
B --> G["<a href='/classifications/hs/v2022/840731'>840731: Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity not exceeding 50cc</a>"]
B --> H["<a href='/classifications/hs/v2022/840732'>840732: Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity exceeding 50cc but not exceeding 250cc</a>"]
B --> I["<a href='/classifications/hs/v2022/840733'>840733: Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity exceeding 250cc but not exceeding 1000cc</a>"]
B --> J["<a href='/classifications/hs/v2022/840734'>840734: Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity exceeding 1000cc</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight