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

HS v2017 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 designed for aircraft or marine propulsion. These engines play a crucial role in powering various types of machinery and equipment, contributing significantly to the global manufacturing and industrial sectors. Their versatility and efficiency make them an integral component of the broader economy.

Production process

The production of rotary internal combustion piston engines (hs code 840790) typically involves a multi-step process. This includes the fabrication of engine components, such as the cylinder block, crankshaft, and pistons, using advanced machining techniques. The assembly of these components, along with the integration of the fuel system, ignition system, and other necessary parts, is a critical step in the manufacturing process. Quality control measures, such as performance testing and emissions monitoring, are also essential to ensure the engines meet regulatory standards and customer requirements.

Production inputs

The production of rotary internal combustion piston engines (hs code 840790) requires a range of raw materials, including metals, alloys, and specialized components. Key inputs include cast iron or aluminum for the engine block, high-strength steel for the crankshaft and other moving parts, and advanced materials for the pistons and valves. Additionally, the engines require fuel systems, ignition systems, and other electronic components to function effectively. Specialized machinery, such as CNC machines and assembly lines, are also essential for the efficient manufacturing of these engines.

Production outputs

Rotary internal combustion piston engines (hs code 840790) are used in a variety of applications, including industrial equipment, construction machinery, and agricultural machinery. These engines are often consumed by industries classified under 843000 Machinery, mechanical appliances, nuclear reactors, boilers; parts thereof, 842000 Mechanical appliances; for lifting, handling, loading or unloading, and 841000 Boilers, machinery and mechanical appliances; parts thereof. The versatility of these engines makes them an essential component in the broader manufacturing and industrial sectors, contributing to the production of a wide range of goods and services.

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 page shows a legacy version of code 840790 ( HS v2017).

Older versions

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

    graph LR
    A["<a href='/classifications/hs/v2017/84'>84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/8407'>8407: Reciprocating or rotary internal combustion piston engines</a>"]
B --> C["<a href='/classifications/hs/v2017/840790'>840790: Engines; rotary internal combustion piston engines, for other than aircraft or marine propulsion</a>"]

    B --> D["<a href='/classifications/hs/v2017/840710'>840710: Engines; for aircraft, spark-ignition reciprocating or rotary internal combustion piston engines</a>"]
B --> E["<a href='/classifications/hs/v2017/840721'>840721: Engines; outboard motors for marine propulsion, spark-ignition reciprocating or rotary internal combustion piston engines</a>"]
B --> F["<a href='/classifications/hs/v2017/840729'>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/v2017/840731'>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/v2017/840732'>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/v2017/840733'>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/v2017/840734'>840734: Engines; reciprocating piston engines, of a kind used for the propulsion of vehicles of chapter 87, of a cylinder capacity exceeding 1000cc</a>"]

    

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    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
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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