The intermodal container is one of the most consequential inventions of the twentieth century’s logistics industry. Before its widespread adoption from the 1960s onwards, moving cargo between a ship, a railway wagon, and a truck required the physical transfer of each piece of cargo at every mode change: stevedores unloading crates from ships, transferring them to warehouse, then reloading onto rail or road vehicles. Labour costs were substantial. Damage and pilferage at these transfer points were significant. Transit times were long.
The intermodal container eliminated this problem by keeping the cargo in the same steel box from origin to destination, regardless of how many times the transport mode changed. The box transfers; the cargo stays put.
Infinex Containers supplies intermodal containers for Singapore-based logistics, shipping, and storage applications, providing the standardised steel units that slot into the global intermodal transport infrastructure.
What Makes a Container “Intermodal”
The term intermodal refers to the container’s compatibility with multiple modes of transport: sea, rail, and road. This compatibility is achieved through the ISO standardisation of the container’s corner fittings, which are the cast steel blocks at the eight corners of the container that accept twistlock connectors, stacking fittings, and lifting spreader bars.
Because these corner fittings are standardised across all ISO containers, a container loaded in a factory in Guangzhou can be lifted onto a flatbed truck, driven to a port, lifted by a gantry crane onto a container ship, transported to Singapore, lifted off the ship by a quay crane, placed on a rail flatcar or another truck, and delivered to a Singapore warehouse, all without anyone touching the cargo inside.
Intermodal container solutions from Infinex are built to ISO standards, with the corner fitting dimensions and structural specifications that allow them to be handled by all standard intermodal equipment.
The Principal ISO Container Sizes
The dominant intermodal container sizes are the 20-foot TEU (twenty-foot equivalent unit) and the 40-foot FEU (forty-foot equivalent unit). The 20-foot container has an internal volume of approximately 33 cubic metres and a payload capacity of approximately 21 tonnes. The 40-foot container has an internal volume of approximately 67 cubic metres and a payload capacity of approximately 26 tonnes.
The 40-foot high cube container, which adds 30 centimetres to the standard height, provides additional internal volume for lighter, bulkier cargo. These three sizes cover the majority of intermodal shipping requirements globally.
Container capacity planning is a fundamental exercise in international trade logistics. The weight and volume of the cargo must both fit within the container’s capacity limits, with the limiting factor depending on whether the cargo is dense and heavy or bulky and light.
Container Condition and Logistics Applications
Not all intermodal containers are in active ocean freight service. A substantial proportion of the world’s container fleet is in temporary or permanent land-based use as storage, site offices, or modified structures. Containers that have reached the end of their marine surveying life retain their structural integrity for land-based applications even when they are no longer eligible for ocean freight.
Singapore, as one of the world’s busiest container ports, has a consistent supply of both new and used containers from the logistics and shipping industry. This supply supports Singapore-based businesses and operators who need containers for domestic storage and logistics applications.
Intermodal Containers for Singapore Businesses
Singapore businesses engaged in import and export use intermodal containers for freight consolidation, where multiple shipments are combined into a single container for more economical ocean transport. Less-than-container-load consolidation services aggregate cargo from multiple shippers into a single container, with the contents deconsolidated at the destination port.
For Singapore businesses that generate sufficient export volume for full container loads, the intermodal container is the primary unit of their export logistics: loaded at the warehouse, transported to the port, and shipped to the destination market in the same box.
For Singapore logistics companies, importers, exporters, and businesses looking for intermodal container solutions that fit into the global freight infrastructure, Infinex Containers provides the ISO-standard intermodal shipping containers that Singapore’s import and export logistics require.