Attributes . A.O. Smith 193059, A.O. Smith B778, A.O. Smith C56M2E101, A.O. Smith C56M2UE100, A.O. Smith C56M2UE107, Century 159493, Century 193059, GE C336, Leeson 110909, Marathon K631, Marathon V56B34F5324, Marathon G530, Century 193058 . Names