What us Deadweight Tonnage or Tons Deadweight? Home › Forums › Petro Solutions Forum › Process Operations › What us Deadweight Tonnage or Tons Deadweight? This topic has 0 replies, 1 voice, and was last updated 2 years ago by Nasir Hussain. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In Log in / Register