Electrically operable axle drive train

An electrically operable axle drive train for a motor vehicle, comprising an electric machine accommodated in a motor housing, and a transmission assembly accommodated in a transmission housing, wherein the electric machine and the transmission assembly form a structural unit, and a ventilation channel extending through the transmission housing, opposite a direction of gravity, connects the transmission assembly within the transmission housing to the environment, wherein a separator cartridge having a first end face having a first opening and a second end face having a second opening and designed as a separate component from the transmission housing is introduced into the ventilation channel and is configured to reduce the flow rate of a hydraulic fluid in the ventilation channel, wherein a plug is arranged on the second end face, which extends in an axial direction from a main body, wherein the plug has an outlet channel which is connected by the second opening of the second end face to an interior of the main body.