Supply Of Wind Screen Wiper Assembly Complete With Air Motor And Water Spray Arrangement For Used In Crew Friendly Wag7 & Wap4 And 3-phase Wag9 & Wap7 Class Of Locomotives. As Per Clw Specn. No. Clw/ms/ 3/050 Alt 6 And Clw Drg. No. 1209-08.032-023. To Be Procured From Clw Approved Sources Only..