Gears and gearing; (not toothed wheels, chain sprockets and other transmission elements presented separately); ball or roller screws; gear boxes and other speed changers, including torque converters

HS v2022 Code: 848340

About gears and gearing; (not toothed wheels, chain sprockets and other transmission elements presented separately); ball or roller screws; gear boxes and other speed changers, including torque converters

HS code 848340 covers a diverse range of mechanical components that are essential for power transmission and speed control in a wide variety of industrial applications. These components, including gears, gearboxes, and speed changers, play a crucial role in the efficient operation of machinery and equipment across sectors such as manufacturing, transportation, and energy production. Their importance in enabling the smooth and reliable transfer of power makes them a vital part of the global industrial landscape.

Production process

The production of the components covered under HS code 848340 typically involves a combination of precision engineering, metallurgy, and advanced manufacturing techniques. Gears, for instance, are often produced through processes like gear hobbing, gear shaping, or gear grinding, which ensure the accurate shaping and finishing of the gear teeth. Gearboxes and speed changers, on the other hand, may be assembled from a range of precision-engineered components, including bearings, shafts, and housings, using techniques such as welding, casting, and machining.

Production inputs

The production of the components covered under HS code 848340 requires a variety of raw materials, including high-quality metals such as steel, aluminum, and alloys. Specialized machinery, such as gear cutting machines, lathes, and CNC (Computer Numerical Control) equipment, are also essential inputs for the manufacturing process. Additionally, the industry relies on advanced software and control systems to ensure the precise and efficient production of these critical mechanical components.

Production outputs

The components classified under HS code 848340 are essential outputs that are consumed by a wide range of industries, including 843120 Machinery for the extraction or preparation of animal or fixed vegetable fats or oils, 842123 Machinery for filtering or purifying gases, and 842199 Parts of machinery for filtering or purifying liquids or gases. These components are integral to the proper functioning of various types of machinery, equipment, and industrial processes, making them a crucial part of the global supply chain.

Revisions to 848340

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 848340. The most recent 1 version of this code (848340) is in the HS v2022 system (this version):

This page shows the most recent version of code 848340.

Family tree for gears and gearing; (not toothed wheels, chain sprockets and other transmission elements presented separately); ball or roller screws; gear boxes and other speed changers, including torque converters

    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/v2022/8483'>8483: Transmission shafts (including cam and crank) and cranks; bearing housings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers; flywheels and pulleys; clutches and shaft couplings</a>"]
B --> C["<a href='/classifications/hs/v2022/848340'>848340: Gears and gearing; (not toothed wheels, chain sprockets and other transmission elements presented separately); ball or roller screws; gear boxes and other speed changers, including torque converters</a>"]

    B --> D["<a href='/classifications/hs/v2022/848310'>848310: Transmission shafts (including cam shafts and crank shafts) and cranks</a>"]
B --> E["<a href='/classifications/hs/v2022/848320'>848320: Bearing housings, incorporating ball or roller bearings</a>"]
B --> F["<a href='/classifications/hs/v2022/848330'>848330: Bearing housings, not incorporating ball or roller bearings and plain shaft bearings</a>"]
B --> G["<a href='/classifications/hs/v2022/848350'>848350: Pulleys and flywheels, including pulley blocks</a>"]
B --> H["<a href='/classifications/hs/v2022/848360'>848360: Clutches and shaft couplings (including universal joints)</a>"]
B --> I["<a href='/classifications/hs/v2022/848390'>848390: Transmission components; toothed wheels, chain sprockets and other transmission elements presented separately; parts</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 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