Expansion Tank For Main Transformer Of Wag-9/Wap-7 Locomotive As Per Abb Document N O - Hstn-310675 . And Clw Specification No. Clw/Es/3/Sk-1/0456 Alt-C And Clw/Es/3/Clw/Es/3/508 Alt- K. [ Warranty Period: 30 Months After The Date Of Delivery ] ]