The Boeing 737 MAX is a new family of Boeing 737. It is made by Boeing Commercial Airplanes. These airplanes replace the Boeing 737 Next Generation family. It is the fourth family of 737. The biggest change is the engines. The 737 MAX has new, better CFM International LEAP-1B engines. The outside of the plane also got changes. The very first 737 MAX was delivered in 2017, 50 years after the first Boeing 737 took off. Boeing had 1,285 orders for the 737 MAX as of May 14, 2013. Larger and smaller versions have different capacity and range.