SER39D4L3SSOA2GRE | Reparations SERVO MOTOR,INC ENC,GEARBOX SER39D4L3SSOA2GRE OK Filter By Clear all Poles Poles (no filter) 3P (2) 4P (4) ML trip unit ML trip unit ML.5.0H (6) ML.5.0X (50) Chassis year Chassis year 2019 (6) 2013 (4) 2020 (3)