The Desert Titan (Erimosaurus Giganteus) is an Austrokritosaurian Hadrosaur from South America. It's much larger than other Austrokritosaurs, being closer in size to Magnapaulia or Shantungosaurus than Secernosaurus or Bonapartesaurus.
The Armored Tyrant is about 10 metric tons, the Desert Titan is about 9.5 to 11 tons.