Tenders for Supply of Coupler Body With Shank Wear Plate For Up-Graded Ht-Cbc.Drawing No. : Rdsos Drg. No. Sk-6 2724, Alt. 28, Item No. 1 & 10. Material And Specification : Rdsos Spec. No. Wd-70-Bd-10, Rev. 3 Warrant Y Period: 72 Months After The Date Of Delivery