The Boeing 737 is a workhorse of Turkish Airlines' short haul operation, with eighty in the fleet. There are currently six configurations including the newest Max 8 and 9 types.

Boeing 737-800
Type 78D, configured 16C 135M
Type 78G, configured 135CM

Boeing 737-Max 8
Type 7M8, configured 16C 135M

Boeing 737-900ER
Type 79B, configured 16C 135M
Type 79D, configured 16C 153M

Boeing 737-Max 9
Type 7M9, configured 16C 153M