Tamping machines and road rollers; self-propelled

HS v2022 Code: 842940

About tamping machines and road rollers; self-propelled

HS code 842940 covers self-propelled tamping machines and road rollers, which are essential equipment in the construction and infrastructure development industries. These specialized machines play a crucial role in compacting and leveling soil, gravel, and other materials, ensuring the stability and durability of roads, railways, and other civil engineering projects. As a key component of the heavy machinery sector, the 842940 industry contributes significantly to the overall growth and development of the global economy.

Production process

Tamping machines and road rollers are typically manufactured using a combination of advanced engineering techniques and precision manufacturing processes. The production process often involves the fabrication of the machine's frame, the installation of the engine and power transmission systems, and the integration of specialized compaction mechanisms. These mechanisms may include vibrating plates, tamping feet, or smooth steel drums, depending on the specific application and soil conditions. Rigorous quality control measures are implemented throughout the production process to ensure the machines meet industry standards and safety requirements.

Production inputs

The production of tamping machines and road rollers requires a range of inputs, including high-quality steel for the frame and components, specialized engines and hydraulic systems, and advanced electronic control systems. Additionally, the industry relies on skilled labor, including engineers, technicians, and operators, to design, assemble, and maintain these complex machines. Manufacturers may also utilize advanced manufacturing technologies, such as computer-aided design (CAD) and computer numerical control (CNC) machining, to enhance efficiency and precision.

Production outputs

Tamping machines and road rollers produced under HS code 842940 are primarily used in the construction and infrastructure development sectors. These machines are essential for the compaction and leveling of soil, gravel, and other materials during the construction of roads, railways, bridges, and other civil engineering projects. The output of this industry is often consumed by 8429 Earth-moving machinery and 8430 Other moving, grading, leveling, scraping, excavating, tamping, compacting, extracting or boring machinery, as well as the broader construction and infrastructure industries.

Revisions to 842940

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 842940. The most recent 1 version of this code (842940) is in the HS v2022 system (this version):

This page shows the most recent version of code 842940.

Family tree for tamping machines and road rollers; 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/v2022/8429'>8429: Bulldozers, graders, levellers, scrapers, angledozers, mechanical shovels, excavators, shovel loaders, tamping machines and road rollers, self-propelled</a>"]
B --> C["<a href='/classifications/hs/v2022/842940'>842940: Tamping machines and road rollers; self-propelled</a>"]

    B --> D["<a href='/classifications/hs/v2022/842911'>842911: Bulldozers and angledozers; self-propelled, track laying</a>"]
B --> E["<a href='/classifications/hs/v2022/842919'>842919: Bulldozers and angledozers; self-propelled, other than track laying</a>"]
B --> F["<a href='/classifications/hs/v2022/842920'>842920: Graders and levellers</a>"]
B --> G["<a href='/classifications/hs/v2022/842930'>842930: Scrapers; self-propelled</a>"]
B --> H["<a href='/classifications/hs/v2022/842951'>842951: Front-end shovel loaders</a>"]
B --> I["<a href='/classifications/hs/v2022/842952'>842952: Mechanical shovels, excavators and shovel loaders; with a 360 degree revolving super structure</a>"]
B --> J["<a href='/classifications/hs/v2022/842959'>842959: Mechanical shovels, excavators and shovel loaders; n.e.c. in item no. 8429.50</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