The Boeing 777 is a long-range, wide-body twin-engine airliner built by Boeing Commercial Airplanes. The world's largest twinjet and commonly referred to as the "Triple Seven", it can carry between 283 and 368 passengers in a three-class configuration and has a range from 5,235 to 9,450 nautical miles (9,695 to 17,500 km). Distinguishing features of the 777 include the six wheels on each main landing gear. As of August 2008, 56 customers have placed orders for 1,092 777s.Direct market competitors to the 777 are the Airbus A330-300, A340, and A350 XWB.The classic 777 family will be replaced by a new set of aircraft, known as the 777-8X and 777-9X. The -8X will be approximately the same size as the -300 while the -9X will have similar range to the -300ER but with a longer fuselage, thus increasing passenger capacity. It will be the largest twinjet in the world in terms of length, maximum takeoff weight, and passenger capacity. Both variants will incorporate new engines and other advanced technologies from the 787. Boeing is deciding to replace the classic 777 series (the -200 and -300) by a new next gen 777, the 777X others include: -200ER, -200LR, -300ER.

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