Why does the Boeing 777-300 only have two engine options when other members of the Boeing 777 family are associated with a wider range of powerplants? At first glance, this may seem like a minor ...

The Boeing 777 is an enormous aircraft, and nearly all of its variants have a higher maximum takeoff weight (545,000 lbs - 766,000 lbs) than an Airbus A340-200 or A340-300 (606,000 lbs - 610,000 lbs).