The standard internal dimensions of a 40-foot high container：

According to the data from the International Organization for Standardization (ISO 668:2020) and major shipping companies (such as Maersk and COSCO Shipping), the internal dimensions of a 40-foot high container (40HC) are:

- Length: 12.032 meters (Approximately 12 meters can be actually utilized, taking into account the thickness of the box door)

- Width: 2.352 meters (the standard width for all containers)

Height: 2.698 meters (about 30 centimeters taller than an ordinary 40-foot cabinet)

The load-bearing capacity and loading restrictions of the 40-foot high cabinet

Maximum Gross Weight:

Standard Limit Weight: 26.5 tons (some routes allow up to 28 tons, please consult the shipping company for details).

Reference: According to the International Container Safety Convention (CSC), the gross weight of a 40HC container (empty container weight) is approximately 4 tons, and the net load is approximately 22.5 tons.

Influencing factors:

1. Cargo density: If the cargo density is low (such as cotton), it may fill the volume but not reach the weight limit; conversely (like steel), it is prone to exceeding the weight limit. 

2. Regional Restrictions: The weight limit for some roads in Europe is 24 tons. Multi-modal transportation is required.

Common problems and suggestions in practical applications

How to calculate the loading capacity?

Volume: Approximately 68 cubic meters (12.032 × 2.352 × 2.698).

Weight: For each item exceeding 2 tons, reinforcement is required to prevent the box from deforming.

2. Solutions for overweight:

Choose special containers (such as open-top containers) or transport in batches.

Apply to the shipping company for an "overweight permission" in advance, which may incur additional charges.