The other giants of Bashan were destroyed before; and therefore when Og was killed, the Israelites work was done. In Rabbath of the children of Ammon; where it might now be, either because the Ammonites in some former-battle with Og had taken it as a spoil; or because after Og's death the Ammonites desired to have this monument of his greatness, and the Israelites permitted them to carry it away to their chief city. After the cubit of a man, to wit, of ordinary stature. So his bed was four yards and a half long, and two yards broad.
Related Commentaries of Deuteronomy 3:11
Deuteronomy 3:11
11 For only Og king of Bashan remained of the remnant of giants; behold, his bedstead was a bedstead of iron; is it not in Rabbath of the children of Ammon? nine cubits was the length thereof, and four cubits the breadth of it, after the cubit of a man.