Which aircraft is the largest twin-engine airliner developed by Boeing?

The Boeing 777 is indeed recognized as the largest twin-engine airliner developed by Boeing. This aircraft was designed for long-range flights and has a typical seating capacity of around 314 to 396 passengers, depending on the variant and seating configuration. Its wingspan is also among the largest for any subsonic twin-engine aircraft, further solidifying its status as a large-capacity twin-engine jet.

The Boeing 787, while a significant innovation in terms of fuel efficiency and technology, is smaller in capacity and range compared to the 777. The Boeing 737 and the 767, although both are popular models, do not compare in size to the Boeing 777, especially in terms of passenger capacity and range capabilities. The 737 is designed primarily for short to medium-haul flights, while the 767 is a wide-body aircraft that is smaller than the 777.