Coal or rock cutters and tunnelling machinery; self-propelled

HS v2022 Code: 843031

About coal or rock cutters and tunnelling machinery; self-propelled

HS code 843031 covers a critical segment of the mining and construction equipment industry. These self-propelled coal or rock cutters and tunnelling machinery are essential tools for extracting and shaping raw materials like coal, minerals, and rock. They play a vital role in powering industries such as 250100 Coal and 270900 Crude oil and natural gas, which are fundamental to global energy and infrastructure development.

Production process

Machinery classified under HS 843031 is typically produced through precision engineering and advanced manufacturing techniques. Key production steps involve designing the cutting mechanisms, integrating propulsion systems, and ensuring the structural integrity and safety features of the equipment. Manufacturers leverage specialized metalworking, hydraulics, and electronic control systems to create these highly capable and durable machines.

Production inputs

The main inputs required for the production of HS 843031 machinery include high-grade steel, hydraulic components, electronic control systems, and specialized cutting tools. Manufacturers also rely on advanced engineering software, precision machining equipment, and skilled labor to design, fabricate, and assemble these complex machines.

Production outputs

The primary output of HS 843031 is self-propelled coal or rock cutting and tunnelling machinery, which is essential for mining, quarrying, and construction activities. These machines are often used in conjunction with other mining and construction equipment, such as 843041 Boring or sinking machinery, 842911 Bulldozers and angledozers, self-propelled, and 842919 Bulldozers and angledozers, not self-propelled.

Revisions to 843031

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 843031. The most recent 1 version of this code (843031) is in the HS v2022 system (this version):

This page shows the most recent version of code 843031.

Family tree for coal or rock cutters and tunnelling machinery; 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/v2022/843031'>843031: Coal or rock cutters and tunnelling machinery; 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/v2022/843039'>843039: Coal or rock cutters and tunnelling machinery; not 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