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A 20-foot-long (6.1 m) ISO container equals 1 TEU.
Forty-foot containers stacked on top of two twenty-foot containers. These four containers represent 6 TEU.

The twenty-foot equivalent unit (often TEU or teu) is an inexact unit of cargo capacity often used to describe the capacity of container ships and container terminals.[1] It is based on the volume of a 20-foot-long (6.1 m) intermodal container, a standard-sized metal box which can be easily transferred between different modes of transportation, such as ships, trains and trucks.[1]

There is a lack of standardisation in regard to height, ranging between 4 feet 3 inches (1.30 m) and 9 feet 6 inches (2.90 m), with the most common height being 8 feet 6 inches (2.59 m).[2] Also, it is common to designate 45-foot (13.7 m) containers as 2 TEU, rather than 2.25 TEU.

Forty-foot equivalent unit[edit]

The standard intermodal container is designated as twenty feet long and 8 feet (2.44 m) wide.[1] Additionally there is a standard container with the same width but a doubled length of forty feet called a 40-foot container, which equals one forty-foot equivalent unit (often FEU or feu) in cargo transportation (considered to be two TEU, see below).

Load bearing of container stacking is at the 40 foot corner stone couplings.

In order to allow stacking of these types a forty-foot intermodal container has an exact length of 40 feet (12.192 m), while the standard twenty-foot intermodal container is slightly shorter having an exact length of 19 feet 10.5 inches (6.058 m). The twistlocks on a ship are put at a distance so that two standard twenty-foot containers have a gap of three inches which allows a single forty-foot container to be put on top.[citation needed]

The forty-foot containers have found wider acceptance as they can be pulled by semi-trailer truck. The length of such a combination is within the limits of national road regulations in many countries, requiring no special permission. As some road regulations allow longer trucks, there are also variations of the standard forty-foot container - in Europe and most other places a container of 45 feet (13.72 m) may be pulled as a trailer. Containers with a length of 48 feet (14.63 m) or 53 feet (16.15 m) are restricted to road transport in the USA. Although longer than 40 feet, these variants are put in the same class of forty-foot equivalent units.

Container ships only take 40s and 20 footers below deck plus 45 footers above deck. 90% of the containers that container ships carry are 40 foot units. As container ships carry 90% of the worlds freight, 81% of the world's freight moves via 40 foot containers.

The MV Emma Mærsk officially carries 11,000 TEU (14 tons gross each)[n 1]

Equivalence[edit]

TEU capacities for common container sizes
Length Width Height Volume TEU
20 ft (6.1 m) 8 ft (2.44 m) 8 ft 6 in (2.59 m) 1,360 cu ft (38.5 m3) 1
40 ft (12.2 m) 8 ft (2.44 m) 8 ft 6 in (2.59 m) 2,720 cu ft (77 m3) 2
45 ft (13.7 m) 8 ft (2.44 m) 8 ft 6 in (2.59 m) 3,060 cu ft (86.6 m3) 2 or 2.25
48 ft (14.6 m) 8 ft (2.44 m) 8 ft 6 in (2.59 m) 3,264 cu ft (92.4 m3) 2.4
53 ft (16.2 m) 8 ft (2.44 m) 8 ft 6 in (2.59 m) 3,604 cu ft (102.1 m3) 2.65
High cube
20 ft (6.1 m) 8 ft (2.44 m) 9 ft 6 in (2.90 m) 1,520 cu ft (43 m3) 1[2]
Half height
20 ft (6.1 m) 8 ft (2.44 m) 4 ft 3 in (1.30 m) 680 cu ft (19.3 m3) 1[2]

As the TEU is an inexact unit, it cannot be converted precisely into other units. The related unit forty-foot equivalent unit, however, is defined as two TEU. The most common dimensions for a 20-foot (6.1 m) container are 20 feet (6.1 m) long, 8 feet (2.44 m) wide, and 8 feet 6 inches (2.59 m) high, for a volume of 1,360 cubic feet (39 m3). However, both 9-foot-6-inch-tall (2.90 m) High cube and 4-foot-3-inch (1.30 m) half height containers are also reckoned as 1 TEU.[2] This gives a volume range of 680 to 1,520 cubic feet (19 to 43 m3) for one TEU.

While the TEU is not itself a measure of mass, some conclusions can be drawn about the maximum mass that a TEU can represent. The maximum gross mass for a 20-foot (6.1 m) dry cargo container is 24,000 kilograms (53,000 lb).[5] Subtracting the tare mass of the container itself, the maximum amount of cargo per TEU is reduced to approximately 21,600 kilograms (47,600 lb).[5]

Similarly, the maximum gross mass for a 40-foot (12.2 m) dry cargo container (including the 9-foot-6-inch-high (2.90 m) cube container) is 30,480 kilograms (67,200 lb).[5] After correcting for tare weight, this gives a cargo capacity of 26,500 kilograms (58,400 lb).[5]

Twenty-foot, "heavy tested" containers are available for heavy goods such as heavy machinery. These containers allow a maximum weight of 67,200 pounds (30,500 kg), an empty weight of 5,290 pounds (2,400 kg), and a net load of 61,910 pounds (28,080 kg).[citation needed]

See also[edit]

Footnotes[edit]

  1. ^ Maersk claims 14,780 TEU worth of space and a loading plan of 15,212 TEU.[3][4]

References[edit]

  1. ^ a b c Rowlett, 2004.
  2. ^ a b c d "Container Shipping". damovers.com. damovers.com. Retrieved 2008-03-22. [dead link]
  3. ^ "Namegiving of newbuilding L 203". Odense Steel Shipyard. 2006-12-08. Archived from the original on July 13, 2007. 
  4. ^ Koepf, Pam (2006). "Overachievers We Love". Popular Science 269 (6): 24. 
  5. ^ a b c d "Shipping containers". Emase. Archived from the original on April 20, 2009. Retrieved 2007-02-10. 

o http://www.iso.org/iso/livelinkgetfile?llNodeId=20881&llVolId=-2000==Bibliography==


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Twenty-foot_equivalent_unit — Please support Wikipedia.
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1023 news items

 
Savannah Morning News
Thu, 20 Nov 2014 18:03:45 -0800

The term Twenty-foot equivalent unit — or TEU — was used to describe the smaller container. Today, containers are used to ship everything from iPhones to luxury automobiles and account for the majority of seagoing freight. Container ships are growing ...

Gizmodo

Gizmodo
Thu, 20 Nov 2014 08:42:07 -0800

The existing cargo ship record holder, in terms of capacity, is the MV Maersk Maersk. It holds a whopping 18,000 TEU (twenty-foot equivalent unit) shipping containers and beat out the older, 16,020 TEU MV CMA CMG cargo ship for the title in 2013. The ...
 
Reuters
Fri, 21 Nov 2014 04:07:27 -0800

... RPO:Rubberized Processed Oil; RSBO:Refined Soybean Oil; SPKFA:Split Palm Kernel Fatty Acid; SKO:Super Kerosene Oil; CNTR: Containers; Comp:Completed; TEU:Twenty foot Equivalent Unit; TOCOM: to Commence; CBFS: Carbon Black Feed Stock; ...
 
Reuters
Fri, 21 Nov 2014 03:12:02 -0800

... RPO:Rubberized Processed Oil; RSBO:Refined Soybean Oil; SPKFA:Split Palm Kernel Fatty Acid; SKO:Super Kerosene Oil; CNTR: Containers; Comp:Completed; TEU:Twenty foot Equivalent Unit; TO COM: to Commence; CBFS: Carbon Black Feed Stock; ...
 
bunkerworld (subscription)
Thu, 30 Oct 2014 03:07:30 -0700

New York-listed boxship owner Seaspan took delivery of a 10,000 twenty-foot equivalent unit (TEU) capacity containership on Wednesday. The MOL Brightness was built at the Jiangsu Yangzi Xinfu Shipbuilding using Seaspan's fuel-efficient SAVER design, ...
 
Jakarta Post
Fri, 14 Nov 2014 20:24:40 -0800

Bappenas said that the 24 ports would be developed into international ports and be able to handle ships with capacities between 3,000 and 6,000 TEUs (twenty-foot-equivalent-unit), in order to boost trade access. Jonan also said that one of the ministry ...

Belarus News (BelTA)

Belarus News (BelTA)
Fri, 14 Nov 2014 07:22:30 -0800

According to the business plan, by 2020 the total cargo turnover of the company will exceed 4 million TEU (twenty-foot equivalent unit). Belarus plans to increase transit container traffic 4.5 times. The processing of containers at the Brest Severnyi ...

Hellenic Shipping News Worldwide

Hellenic Shipping News Worldwide
Fri, 07 Nov 2014 06:03:09 -0800

MAERSK has doubled the surcharge on Manila-bound boxes from North America to $300 per Twenty Foot Equivalent unit, TEU, and $600 per FEU from November 1 because of relentless port congestion. In a notice to trade, Maersk said that its costs in ...
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