Gear Case Assembly For Traction Motor Type Tao-659 With Roller Bearing Arrangement (T Aochi) As Per Rdso Drg No.Skel %U2013 4512 With Stainless Steel Standard Insert (Without Grip Coil) Confirming To Els/Bza Drg. Nos. B/Ts/Boge/4/305Alt%U2019B%U2019 & B/Trs/Boge/4/306,Alt-B. [ W Arranty Period: 30 Months After The Date Of Delivery ] ]