Lubricant through hole for transmission

A unit, comprising:

• a housing configured to house oil, a rotating electric machine, a first gear connected downstream of the rotating electric machine, a second gear meshing with the first gear, a third gear connected downstream of the second gear, a fourth gear meshing with the third gear, a fifth gear connected downstream of the fourth gear, and a sixth gear meshing with the fifth gear, wherein
• the rotating electric machine and the first gear are disposed on a first axis,
• the second gear and the third gear are disposed on a second axis,
• the fourth gear and the fifth gear are disposed on a third axis,
• the sixth gear is disposed on a fourth axis,
• when viewed in an axial direction, the first axis and the fourth axis are disposed at a lower side of the second axis and the third axis,
• the oil scattered by rotation of the sixth gear is guided to a rotating electric machine side through a through hole provided in a portion of the housing disposed on a first gear side as viewed from the rotating electric machine, and
• the through hole is provided in a lower side of the fourth axis in a direction of gravity.