Tanks for transport and storage liquids, of cubic form with inclined bottom to allow emptying total. Equipped with top loading manhole with threaded lid and incorporated vent. The unloading unit is housed in a special niche to protect it from shocks. Equipped with a metallic structure palletized, stackable and painted antacid, also are equipped with unbreakable protection frontal and lateral, bracket upper block of container, reinforcements side and bottom.