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ISO Tank Containers
A dedicated request for a T11 tank container for liquid transport.
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T11 identifies a tank specification, not a dry shipping box or a single capacity. Confirm the complete specification and suitability for the intended contents.
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A dedicated request for a T11 tank container for liquid transport.
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Nationwide shipping · Freight quoted separately
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Reviewed by Ryan Penick, Operator, Wholesale Industry LLC · Updated October 2026
A T11 ISO tank container is a stainless steel pressure vessel inside a 20 ft container frame, and the most widely used tank type for bulk liquids. It moves by ship, rail and road like any 20 ft container. Wholesale Industry takes T11 tanks as sourcing requests, matched to the product you will carry.
| Feature | Typical |
|---|---|
| Frame | 20 ft ISO frame: 20 ft long × 8 ft wide, usually 8 ft 6 in high |
| Shell | Stainless steel, most often 316L |
| Capacity | commonly 21,000 to 26,000 liters (about 5,500 to 6,900 US gallons) |
| Test pressure | 6 bar minimum under the T11 portable tank instruction |
| Discharge | Bottom outlet with internal valve, plus top manlid and top fittings |
| Common options | Insulation and cladding, steam or electric heating, baffles |
Each tank is built to its own data plate. Capacity, working pressure, lining, gaskets and valve arrangement vary, and the plate and the inspection record on the tank offered are the final word.
T11 tanks carry non-hazardous liquids and the many hazardous liquids that the dangerous goods regulations assign to instruction T11 or a lower code. Whether a tank is acceptable for a particular product is set by that product's entry in the regulations and by the tank's approval, not by the T-code alone. Food-grade service needs a tank dedicated to it, with cleaning records.
A tank carrying hazardous liquid generally has to be filled above a minimum level unless it has baffles, to limit surge, and below a maximum to leave room for expansion. Dense liquids reach the road weight limit before the tank is full, so they suit a smaller tank; light liquids suit a larger one. Give the product, its specific gravity and the load size you want, and the capacity follows from that.
Tank containers are tested on a 2.5 year and 5 year cycle. Ask for the date and type of the last test, the cleaning certificate and the last three cargoes. For products that need a higher code, see T14, T20 and T22 tank containers; all tank requests start from ISO tank containers.
Send the product, capacity, fittings, quantity and delivery ZIP through request a quote, or call 855-964-2534. Freight is quoted to your ZIP, and availability, condition and terms are confirmed before you accept the quote.
Most hold between about 5,500 and 6,900 US gallons (21,000 to 26,000 liters). The exact capacity is on the data plate, and the usable volume for a given product also depends on its density and the filling limits that apply.
Only a tank kept in food-grade service, with cleaning certificates and a known cargo history. A tank that has carried chemicals is not converted to food use by washing. State food-grade service in your request so only suitable tanks are offered.
Both have a 6 bar minimum test pressure. T14 is a stricter instruction used for more hazardous liquids, and tanks built to it typically have no bottom outlet and discharge from the top. The product you carry decides which code is required.