Carbon Brush For Hitachi Type Traction Motor Confirming To Rdso Specn.No.Elr S/Spec/Cb/0027-Rev.0. Of Sept.2003 For Carbon Brushes For Traction Motor Of Electric Locom Otive And Rdso Spec. No. Elrs/Spec/ Cb/0037 Rev-0 For Carbon Block Grades For Traction Appl Ication. [ Warranty Period: 30 Months After The Date Of Delivery ] ]