There is a left and a right main landing gear. The main landing gear gives shock protection to the aircraft when it taxies and during landings. The main gear doors give aerodynamic smoothness to the surface of the aircraft when the landing gear is retracted.

Each main landing gear has a main fitting, a shock strut, a trailing arm and an axle. The shock strut is attached between the main fitting and the trailing arm. The axle is installed through the trailing arm. The left hydraulic system is used to extend and to retract the two main landing gears.

The main landing gear is retracted inboard and up into the main landing gear wheel well. Uplocks mechanically hold the main landing gear in the retracted position. When extended, locks in the side brace actuator mechanically lock the gear down.

The main landing gear outboard doors fully close the wheel wells when the main landing gear is retracted. A door linkage attaches the outboard doors to each main landing gear, and hinges attach the doors to the wing structure. The linkage turns when the main landing gear retracts and pulls the door flush with the aircraft skin.