An electric machine system is provided. The system includes a stack of a plurality of stator laminations with at least a portion of the plurality of stator laminations each including a plurality of holes that are arranged radially outward from a plurality of teeth, where the plurality of holes include a first set of holes, a second set of holes, and a third set of holes, where the first, second, and third sets of holes has a different profile and/or area, where the second set of holes are positioned radially inward from the third set of holes; and where a plurality of oil channels are formed by an alignment of holes in adjacent stator laminations in the portion of the plurality of stator laminations.