0
The maximum takeoff weight for a Boeing 767 is 315,000 pounds, that is the heaviest the airplane can be upon takeoff.
A330-200: Maximum takeoff weight 230 (233) tonnes; 507 (513.7) lbs. x 1000 A330-300: Maximum takeoff weight 230 (233) tonnes; 507 (513.7) lbs. x 1000
377,842 kg.
The maximum take-off weight of a Boeing 747-400 is 875,000 lbs
Empty weight: 538,000 pounds
Maximum takeoff weight: 870,000