Which living or non living animal is/ was largest of all land animals ?

The Argentinosaurus is the largest dinosaur that has had its size confirmed. The sauropod Argentinosaurus huinculensis reached 73 tonnes, and therefore, is the largest of all land animals whose mass has been rigorously obtained. Another sauropod, Antarctosaurus giganteus, was the second largest, at nearly 69 tonnes, while Antarctosaurus wichmannianus reached 34 tonnes.