Reply To: Need help fixing up an old Lego vehicle Home › Forums › All Things LEGO! › Need help fixing up an old Lego vehicle › Reply To: Need help fixing up an old Lego vehicle July 24, 2017 at 11:27 pm #22497 Tom FrostParticipant There were several train sets released by Lego using that motor 183 7720 7722 The power source was 3 “C” batteries. battery box or battery box train wagon