Coal or rock cutters and tunnelling machinery; not self-propelled

HS v2022 Code: 843039

About coal or rock cutters and tunnelling machinery; not self-propelled

HS code 843039 covers a crucial segment of the mining and construction equipment industry. These non-self-propelled coal or rock cutters and tunnelling machinery play a vital role in extracting and shaping raw materials that are essential for infrastructure development, energy production, and a wide range of industrial activities. This equipment is in high demand globally as economies continue to invest in large-scale projects that require efficient and reliable underground excavation capabilities.

Production process

The production of coal or rock cutters and tunnelling machinery involves a range of specialized manufacturing processes. Key steps include the fabrication of the cutting or excavation mechanisms, the assembly of the structural components, and the integration of various control systems and power sources. Manufacturers often utilize advanced computer-aided design (CAD) and computer numerical control (CNC) machining to ensure precision and consistency in the final products.

Production inputs

The main inputs required for the production of HS code 843039 equipment include high-strength metals such as steel and alloys, as well as specialized components like hydraulic systems, electric motors, and electronic control units. Manufacturers also rely on a skilled workforce capable of operating complex machinery and adhering to rigorous safety standards. Additionally, the industry requires access to a robust supply chain of raw materials, components, and supporting services.

Production outputs

The primary outputs of HS code 843039 are the coal or rock cutters and tunnelling machinery themselves, which are then utilized in a variety of mining, construction, and infrastructure projects. These machines are often used in conjunction with other equipment, such as 843041 Self-propelled bulldozers, angledozers, graders, levellers, scrapers, mechanical shovels, excavators, shovel loaders, tamping machines and road rollers and 842911 Self-propelled front-end shovel loaders, to facilitate the extraction, transportation, and processing of raw materials. The outputs of this industry are essential for the development of roads, railways, tunnels, and other critical infrastructure that support economic growth and development.

Revisions to 843039

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 843039. The most recent 1 version of this code (843039) is in the HS v2022 system (this version):

This page shows the most recent version of code 843039.

Family tree for coal or rock cutters and tunnelling machinery; not self-propelled

    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/v2022/8430'>8430: Moving, grading, levelling, scraping, excavating, tamping, compacting, extracting or boring machinery, for earth, minerals, or ores; pile drivers and extractors; snow ploughs and snow blowers</a>"]
B --> C["<a href='/classifications/hs/v2022/843039'>843039: Coal or rock cutters and tunnelling machinery; not self-propelled</a>"]

    B --> D["<a href='/classifications/hs/v2022/843010'>843010: Pile-drivers and pile-extractors</a>"]
B --> E["<a href='/classifications/hs/v2022/843020'>843020: Snow-ploughs and snow-blowers</a>"]
B --> F["<a href='/classifications/hs/v2022/843031'>843031: Coal or rock cutters and tunnelling machinery; self-propelled</a>"]
B --> G["<a href='/classifications/hs/v2022/843041'>843041: Boring or sinking machinery; self-propelled, n.e.c. in heading no. 8430</a>"]
B --> H["<a href='/classifications/hs/v2022/843049'>843049: Boring and sinking machinery; not self-propelled</a>"]
B --> I["<a href='/classifications/hs/v2022/843050'>843050: Machinery; for handling earth, minerals or ores, self-propelled, n.e.c. in heading no. 8430</a>"]
B --> J["<a href='/classifications/hs/v2022/843061'>843061: Machinery; for tamping or compacting, not self-propelled</a>"]
B --> K["<a href='/classifications/hs/v2022/843069'>843069: Machinery; for moving, levelling, scraping, grading, excavating earth minerals or ores; not self propelled n.e.c in 84.30</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 K 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