High Quality Content by WIKIPEDIA articles! The Boeing 737 Classic is the name given to the -300/-400/-500 series of the Boeing 737 following the introduction of the -600/-700/-800/-900 series. They are short- to medium- range, narrow-body jet airliners produced by Boeing Commercial Airplanes. The Classic series was introduced as the `new generation` of the 737. Produced from 1984 to 2000, 1,988 aircraft were delivered.