Tenders for Supply of Wear Plate For Yoke-Pin Support As Per Irs Drawing No. Wa/Bd - 4462, Alt-6 To Rdso Spec No. Wd-70-Bd-10 Rev.-3 . Only Wear Plate Marked As A In The Drawing Is Required For Part No. Warranty Perio D: 72 Months After The Date Of Delivery