#$%^&*AU2016273857A120170706.pdf#####ELECTROMECHANICAL SURGICAL DEVICES WITH SINGLE MOTOR DRIVES AND ADAPTER ASSEMBLIES THERFOR ABSTRACT An electromechanical surgical system (10) comprising a handle assembly (100); a drive motor (122) supported in the handle assembly (100) and extending to a drive gear (122c); a selector (126) cam defining a recess (126d); a selector motor (128) extending to a selector gear (128a), the selector gear (128a) positioned to move the selector cam (126) between a first position and a second position; a first output assembly (130a) including a first output shaft (132) and a first output gear (138), the first output shaft (132) selectively coupled to the first output gear (138) by a first engagement key (136), the first output gear (138) rotatable with the drive gear (122c) of the drive motor (122), the first engagement key (136) positionable within the recess (126d) of the selector cam (126) while the selector cam (126) is in the first position to engage the first output gear (138) with the first output shaft (132), the first output shaft (132) rotatable with the first output gear (138) in response to rotation of the drive gear (122c) of the drive motor (122) while the first output gear (138) is coupled to the first output shaft (132), the first output gear (138) being rotatable relative to the first output shaft (132) while the selector cam (126) is in the second position; and a second output assembly (130b) including a second output shaft (132) and a second output gear (138), the second output shaft (132) selectively coupled to the second output gear (138) by a second engagement key (136), the second output gear (138) engaged with the first output gear (138) of the first output assembly (13 Oa), the second engagement key (136) positionable within the recess (126d) of the selector cam (126) while the selector cam (126) is in the second position to engage the second output gear (138) with the s