Boeing 737-300 Classic Short-Body Airliner Variant

The Boeing 737-300 was the first member of the 737 Classic generation, introducing the CFM56-powered redesign while preserving the family’s single-aisle short-haul mission. Its larger engines, updated wing, and improved capacity established the Classic branch that continued through the 737-400 and 737-500. Boeing's planning dimensions are 33.40 m overall length and 28.88 m span for the illustrated airframe without winglets. The listed 63,276 kg MTOW is the 139,500 lb takeoff-weight option with CFM56-3B2 engines; lower weight options also exist. Passenger capacity here is the manual's 128-seat two-class layout, rather than the exit limit or a particular airline cabin.