The CFM International CM56-7B27 on their Boeing 737-800 while the CFM International CFM56-3B-2 on their Boeing 737-400
turbofan
Assuming you mean Alaskan Airlines, their fleet consists of: Boeing 737-900 Boeing 737-900ER Boeing 737-800 Boeing 737-700 Boeing 737-400 Boeing 737-400 Combi Bombardier Q400 Bombardier CRJ-700
The Boeing 737 is assembled in Renton, WA
Boeing 737-100
Fuel is normally stored in the wings of the Boeing 737. directly above the wings on the engine. The fuel takes the shape of the inside of the wing, it is obviously protected.
It's thrust is 27,300 lbs per engine.
The Boeing 737-900ER cost $89.6 million.
For the (Next Generation) Boeing 737 family, the most powerful engine powerplant avaliable for it (the CFM 56-7B27) produces 27,300 lbf (121.4 kN) of thrust.
The number 737 is "seven hundred thirty-seven." The aircraft, the Boeing 737, is spoken "Boeing seven thirty-seven."
The Boeing 737-900 is 138 ft. 2 in. (42.1 meters).
Boeing did, of course.
Boeing Aircraft Company builds the 737 and 747.