Boeing 737 MAX 7 Originally based on the Boeing 737-700, the 737 MAX 7 can fly 1,000 nautical miles further than the Boeing 737-700 and has two more rows of seats and 18% less fuel cost per seat. The empty weight of a Boeing 737 MAX 7 is 138,699 lbs, and its maximum takeoff weight is 177,000 lbs.