Synchron 620 4rph (Revolutions per Hour) motor by Hansen Synchron. Ratings: 220 Volt 50 cycles 3 Watt. other case markings : M132LM 1-84 shaft diameter : 3.16mm (0.125" or 1/8th of an inch) x 9.4mm long contining a 1.4 dia x 5.5mm long cotter pin. Status: NOS (New Old Stock) in perfect condition. RoHS: not known.