Tamping machines and road rollers, self-propelled

CPC v2.1 Code: 44424

About tamping machines and road rollers, self-propelled

cpc code 44424 covers the manufacturing of tamping machines and self-propelled road rollers, which are essential equipment in the construction and infrastructure development industries. These 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 broader construction machinery sector, this industry contributes significantly to the overall economic growth and development of a country.

Production process

The production of tamping machines and self-propelled road rollers typically involves a combination of metalworking, engineering, and assembly processes. Manufacturers begin by fabricating the main structural components, such as the chassis, drums, and frames, using techniques like welding, cutting, and forming. These components are then assembled with various mechanical systems, including engines, transmissions, and hydraulic systems, to create the final functioning machines. Quality control and testing procedures are crucial throughout the production process to ensure the equipment meets safety and performance standards.

Production inputs

The main inputs required for the manufacture of tamping machines and self-propelled road rollers include steel and other metal alloys for the structural components, engines and transmissions, hydraulic systems, and electronic control units. Specialized machinery, such as welding equipment, metal-forming tools, and assembly lines, are also essential for the production process. Additionally, the industry relies on a skilled workforce of engineers, technicians, and assembly workers to design, build, and maintain these complex machines.

Production outputs

The primary output of cpc code 44424 is the tamping machines and self-propelled road rollers themselves, which are then sold to construction companies, infrastructure development firms, and government agencies responsible for road and railway maintenance. These machines are often used in conjunction with other construction equipment, such as 44421 Bulldozers, angledozers, graders, levelers, scrapers, mechanical shovels, and excavators, 44422 Pile-drivers and pile-extractors, and 44423 Boring or sinking machinery, to complete large-scale civil engineering projects.

Family tree for tamping machines and road rollers, self-propelled

    graph LR
    A["<a href='/classifications/cpc/v2-1/4'>4: Metal products, machinery and equipment</a>"]
A --> B["<a href='/classifications/cpc/v2-1/44'>44: Special-purpose machinery</a>"]
B --> C["<a href='/classifications/cpc/v2-1/444'>444: Machinery for mining, quarrying and construction, and parts thereof</a>"]
C --> D["<a href='/classifications/cpc/v2-1/4442'>4442: Other moving, grading, levelling, scraping, excavating, tamping, compacting or extracting machinery, self-propelled, for earth, minerals or ores (including bulldozers, mechanical shovels and road rollers)</a>"]
D --> E["<a href='/classifications/cpc/v2-1/44424'>44424: Tamping machines and road rollers, self-propelled</a>"]

    D --> F["<a href='/classifications/cpc/v2-1/44421'>44421: Bulldozers and angledozers, self-propelled</a>"]
D --> G["<a href='/classifications/cpc/v2-1/44422'>44422: Graders and levellers, self-propelled</a>"]
D --> H["<a href='/classifications/cpc/v2-1/44423'>44423: Scrapers, self-propelled</a>"]
D --> I["<a href='/classifications/cpc/v2-1/44425'>44425: Front-end shovel loaders, self-propelled</a>"]
D --> J["<a href='/classifications/cpc/v2-1/44426'>44426: Mechanical shovels, excavators and shovel loaders, self-propelled, with a 360-degree revolving superstructure, except front-end shovel loaders</a>"]
D --> K["<a href='/classifications/cpc/v2-1/44427'>44427: Mechanical shovels, excavators and shovel loaders, except front-end shovel loaders and machinery with a 360-degree revolving superstructure; moving, grading, levelling, scraping, excavating, tamping, compacting, extracting or boring machinery n.e.c., self-propelled, for earth, minerals or ores</a>"]
D --> L["<a href='/classifications/cpc/v2-1/44428'>44428: Dumpers designed for off-highway use</a>"]
D --> M["<a href='/classifications/cpc/v2-1/44429'>44429: Bulldozer or angledozer blades</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 level1
class B level2
class C level3
class D level4
class E level5
class F level5
class G level5
class H level5
class I level5
class J level5
class K level5
class L level5
class M level5

  class E 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 E highlight