In short: A wheel loader container is a closed or semi-closed vessel used to haul, store and tip material without a separate vehicle. Different container types suit different purposes, depending on the material and the nature of the work.

Why a container, when there's already a bucket?

A regular loader bucket is well suited to loading material and moving it over short distances. A container is a standalone vessel that a loader can lift, move and sometimes tip - useful when material needs to sit separately for a while, for example during storage or when transporting it between sites.

What container types are common?

Tipping container: can be tilted by the loader to pour material where needed - suited to gravel, sand and other loose material.
Closed container: keeps material covered with a lid, suited to hauling waste or dusty material.
Open transport container: the simplest option for moving dry, lumpy material over a short distance.

Which container suits which job?

If you're handling gravel, sand or other loose material that needs to be repeatedly poured in different spots, a tipping container is the best fit - it saves manual shoveling. If the material is dusty or mustn't spill to avoid mixing, a closed container makes more sense. For a simple, one-off move, an open container is enough.

What should you check when choosing?

Capacity: must match the typical volume of material and the loader's lifting capacity.
Mount: the container must match your loader's mount, just like a bucket.
Material type: think about what you're actually hauling and storing - that determines whether the container should be closed, tippable, or simply open.