377,842 kg.
The maximum takeoff weight for a Boeing 767 is 315,000 pounds, that is the heaviest the airplane can be upon takeoff.
The maximum take-off weight of a Boeing 747-400 is 875,000 lbs
The 747 is much larger than the 787. The 747-400's maximum takeoff weight is 875,000 pounds. The 787- 800's maximum takeoff weight is 484,000 pounds.
The Boeing 777-200 is 247,200kg at the maximum takeoff weight while an empty one is 134,800kg.
Maximum takeoff weight for a Boeing 757-300 is 123,600 kg (272,500 lb)
The maximum take off weight for a 747-400 is 875,000 pounds or 396,890 kilos.
The maximum takeoff weight of a 747-400 (fully loaded) is 875,000 lb
The 747's maximum takeoff weight ranges from 735,000 pounds (333,400 kg) for the −100 variant to 970,000 lb (439,985 kg) for the −8 variant.
The Boeing 747-8 has a maximum takeoff weight (MTOW) of approximately 987,000 pounds (447,700 kilograms). Its empty weight is around 735,000 pounds (333,400 kilograms). This aircraft is the largest and newest variant of the Boeing 747 family, designed for long-haul flights.
The Boeing 757 comes in two main variants; An empty 757-200 weighs 63 tons (127,550lbs) and has a maximum takeoff weight of 127.5 tons (255,000lbs). The 757-300 wieghs 71 tons empty (142,400lbs) with a maximum takeoff weight of 136.25 tons (272,500lbs).
Hi I am a Boeing 767 pilot. I fly 767s for Qantas. we have a maximum takeoff weight of 185000kgs (407000lbs) and an empty weight of around 86000kgs (189000lbs) checkout this link for more info: http://en.wikipedia.org/wiki/Boeing_767
The weight of a Boeing 707 varies depending on the specific model and configuration. Generally, its maximum takeoff weight ranges from approximately 130,000 to 300,000 pounds (59,000 to 136,000 kilograms), with the most common models like the 707-320 having a maximum takeoff weight of around 295,000 pounds (134,000 kilograms). The empty weight typically falls between 120,000 to 150,000 pounds (54,000 to 68,000 kilograms).