GE Capital Aviation Services (GECAS), the commercial aircraft leasing and financing arm of General Electric, announced today an order for 40 737s. The order, with a list-price value of approximately $3.9 billion, consists of 20 737 MAX 8s and 20 Next-Generation 737-800s.

The follow-on order increases the GECAS order book for the 737 MAX to 95 airplanes and the 737NG to 387 airplanes, the most for both models by any company in the leasing industry.