A Tank is a type of unit used by all factions; generally tanks are made up of a weapon mounted on a mobile treaded chassis, although the Aurora, Riptide, Blaze, Yenzyne, and Absolver are Hover units, not treaded ones. Most tanks are not amphibious, but are intended as the backbone of land forces due to their inexpensiveness and relative power. An exception to the previous rule is the Amphibious tanks, with their ability to traverse the surface of water or travel on the seabed. Some tanks, like the Pillar or the Obsidian, are powerful, while units like the Wagner are not very powerful, but make up for it with special abilities, such as the Wagner's ability to traverse the ocean floor.
For a complete list of the tanks in Supreme Commander visit Category:Tanks