A transfer case having an input shaft driven by a powertrain, a first
output shaft adapted for connection to a first driveline and a torque
transfer mechanism. The torque transfer mechanism includes a friction
clutch assembly operably disposed between the first output shaft and the
second output shaft and a clutch actuator assembly for generating and
applying a clutch engagement force to the friction clutch assembly. The
clutch actuator assembly includes an electric motor, a geared reduction
unit and a clutch apply operator. A control system including vehicle
sensors and a controller are provided to control actuation of the
electric motor.