Same is for WAP-4. As per Data of E-Loco website of IR on Engine Kilometer Per day Per Electric Loco in Use in ALL ZONES of Indian Railway in last 5 years including the Current Year it is seen that Passenger Locos cover much more distance that Goods Locos(Except NR where the reverse is seen in every year).
But in spite of this we see WAP-4 & WAG-7 class has the highest Failure rate for which Punctuality of trains has been lost since January to July of this year.
WAP-4 is the...
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highest Failure among all classes then WAG-7.
Both these classes are still produced where year after year drainage of money is there for their repair still this havoc failure can't be made reverse,can't understand what's the necessity now by keeping illusion on these two "Expensive Class" where initial investment is less but aftermath maintenance and other work will surely make you CASH STRAPPED and also the necessity of WAG-5 & WAM-4 class.