Container Types and Parameters Explained

Published: 07/18/2025
container logistics transportation cargo transport
This article provides a detailed overview of the parameters of different types of containers, including general cargo containers, open-top containers, hard-top containers, flat-rack containers, refrigerated containers, bulk containers, ventilated containers, and tank containers. Each type of container is clearly explained in terms of external and internal dimensions, volume, and weight capacity, helping to select the appropriate container to meet various cargo transportation needs.
Container Types and Parameters Explained

In the modern logistics and transportation industry, shipping containers serve as essential tools, widely used in maritime, land, and air freight. Different cargo requirements call for various container types and specifications. Below is a detailed parameter guide to help you understand the characteristics and suitable applications of major container types.

1. General Purpose Containers

The standard dry container is versatile for transporting various goods. Key specifications include:

  • External dimensions: 20-foot container — 6058mm length × 2438mm width × 2438mm height; 40-foot container — 12192mm × 2438mm × 2591mm
  • Internal dimensions: 20-foot — 5930mm × 2350mm × 2260mm; 40-foot — 12062mm × 2350mm × 2380mm
  • Capacity: 31.5m³ (20-foot), 67.6m³ (40-foot)
  • Payload: 22400kg (20-foot), 27490kg (40-foot)

2. Open-Top Containers

Designed for tall cargo, these feature removable tops for easy loading:

  • External dimensions: 20-foot — 6058mm × 2438mm × 2438mm; 40-foot — 12192mm × 2438mm × 2591mm
  • Internal dimensions: 20-foot — 5930mm × 2350mm; 40-foot — 12056mm × 2351mm
  • Capacity: 30.4m³ (20-foot), 60.8m³ (40-foot)
  • Payload: 21970kg (20-foot), 26680kg (40-foot)

3. Hard-Top Containers

Weather-resistant containers with solid roofs protect sensitive cargo:

  • External dimensions: 6058mm × 2438mm × 2438mm (20-foot)
  • Internal dimensions: 5918mm × 2339mm × 2243mm
  • Capacity: 30.8m³
  • Payload: 21800kg

4. Flat Rack Containers

Ideal for oversized loads with collapsible sides for maximum space:

  • External dimensions: 20-foot — 6058mm × 2438mm × 2438mm; 40-foot — 12192mm × 2438mm × 2591mm
  • Internal dimensions: 20-foot — 5908mm × 2388mm; 40-foot — 12062mm × 2250mm
  • Capacity: 26.4m³ (20-foot), 53.8m³ (40-foot)
  • Payload: 21500kg (20-foot), 25670kg (40-foot)

5. Refrigerated Containers

Temperature-controlled units for perishable goods:

  • External dimensions: 20-foot — 6058mm × 2438mm × 2438mm; 40-foot — 12192mm × 2438mm × 2591mm
  • Internal dimensions: 20-foot — 5391mm × 2254mm; 40-foot — 11480mm × 2234mm
  • Capacity: 25.9m³ (20-foot), 57.3m³ (40-foot)
  • Payload: 21250kg (20-foot), 25730kg (40-foot)

6. Bulk Containers

Specialized for dry bulk materials with gravity-fed unloading:

  • External dimensions: 6058mm × 2438mm × 2438mm (20-foot)
  • Internal dimensions: 5929mm × 2345mm
  • Capacity: 30.8m³
  • Payload: 22020kg

7. Ventilated Containers

Feature air circulation systems for temperature-sensitive cargo:

  • External dimensions: 6058mm × 2438mm × 2438mm (20-foot)
  • Internal dimensions: 5901mm × 2370mm
  • Capacity: 31.5m³
  • Payload: 21580kg

8. Tank Containers

Cylindrical vessels for liquid or gas transportation:

  • External dimensions: 6058mm × 2438mm × 2438mm (20-foot)
  • Internal dimensions: 5247mm length × 1900mm diameter
  • Capacity: 14.383m³
  • Payload: 20880kg

These specialized containers play vital roles in transporting different cargo types. Selecting the appropriate container enhances transportation efficiency while ensuring cargo safety and integrity. When planning logistics operations, consider these specifications to optimize your shipping strategy.

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