Voltage 12, Commutator Diameter 37.50, Commutator Distance 28.00, No./bars 30, Commutator Height 34.00, Core Diameter 65.00, Shaft length 233.00, Commutator End Shaft Diameter 15.00, Bar Lane Height 28.00, Drive End Inside Shaft Diameter Outside 16.00, Commutator Outer Diameter 43.40, Drive End Inside Shaft Diameter 17.00, Remarks 30 A.