Open top containers Open top containers have an open top covered by a tarpaulin instead of a solid roof. This enables oversized cargo such as timber and scrap metal to be loaded from the top. Open top containers normally have end doors to give flexibility to loading and discharging operations. Open top container dimensions Specific dimensions and capacity of open top containers may vary depending on the container manufacturer, the age of the container and the container owner. The specifications listed below are, however, representative. 20' open top container Tara weight Payload capacity Cubic capacity 2,350 kg 28,130 kg 32.5 m3 5,181.8 lbs 62,026.7 lbs 1,147.3 cu ft Internal Door opening Roof opening Length Width Height Width Height Width Length 5.9 m 2.35 m 2.38 m 2.34 m 2.28 m 2.23 m 5.44 m 19.3 ft 7.7 ft 7.8 ft 7.7 ft 7.4 ft 7.3 ft 17.8 ft 4' open top container Tara weight Payload capacity Cubic capacity 3,850 kg 26,630 kg 66.4 m3 8,489.3 lbs 58,719.2 lbs 2,343.9 cu ft Internal Door opening Roof opening Length Width Height Width Height Width Length 12.03 m 2.35 m 2.38 m 2.34 m 2.29 m 2.21 m 11.57 m 39.5 ft 7.7 ft 7.8 ft 7.7 ft 7.5 ft 7.3 ft 38 ft