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A mini-bulker taking on scrap iron cargo in Brest, France.
Modern tank cars carry all types of liquid and gaseous commodities.

Bulk cargo is commodity cargo that is transported unpackaged in large quantities.[1]


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Bulk cargo refers to material in either liquid or granular, particulate (as a mass of relatively small solids) form, such as petroleum/crude oil, grain, coal, or gravel. This cargo is usually dropped or poured, with a spout or shovel bucket, into a bulk carrier ship's hold, railroad car/railway wagon, or tanker truck/trailer/semi-trailer body. Smaller quantities can be boxed (or drummed) and palletised; cargo packaged in this manner is referred to as breakbulk cargo.[2] Bulk cargo is classified as wet or dry.[2]

The Baltic Exchange is based in London and provides a range of indices benchmarking the cost of moving bulk commodities, dry and wet, along popular routes around the seas. Some of these indices are also used to settle Freight Futures, known as FFA's. The most famous of the Baltic indices is the Baltic Dry Indices, commonly called the BDI. This is a derived function of the Baltic Capesize index (BCI), Baltic Panamax index (BPI), Baltic Supramax index (BSI) and the Baltic Handysize index (BHSI). The BDI has been used as a bellwether for the global economy as it can be interpreted as an indicator of an increase or decrease in the amount of raw commodities countries are importing/exporting.


Dry bulk is any cargo carried in bulk in solid form. Such carriage is often referred to as the "dry" trades.[3] They would include:

This heap of iron ore pellets will be used in steel production.


Liquid bulk cargo includes any cargo carried in closed tanks and poured or pumped into the carrying vessel, such as:


Specialized large ports

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See also



  1. ^ Glossary of Shipping Terms (PDF) (Report). U.S. Department of Transportation. 2008. p. 22. Archived from the original (PDF) on 2022-02-13. Retrieved 2022-09-15.
  2. ^ a b Rodrigue, Jean-Paul (2020). "Chapter 5.4: Maritime Transportation". The Geography of Transport Systems (5th ed.). New York: Routledge. ISBN 978-0-367-36463-2.
  3. ^ Dry Cargo Chartering. London: Institute of Chartered Shipbrokers. 2013. p. 38.