I am not sure what Cats your talking about but I have 3 Cat Motors 1 cat thats a 425 B model 1 3406 E Model and 6nz and they have all over 2 million miles on each one of them and have had no crank problems with any of them and they all have the original dampenerdampener. I do have a Detroit series 60 that I changed one on but made no difference

I am not sure what Cats your talking about but I have 3 Cat Motors 1 cat thats a 425 B model 1 3406 E Model and 6nz and they have all over 2 million miles on each one of them and have had no crank problems with any of them and they all have the original dampenerdampener. I do have a Detroit series 60 that I changed one on but made no difference

I am not sure what Cats your talking about but I have 3 Cat Motors 1 cat thats a 425 B model 1 3406 E Model and 6nz and they have all over 2 million miles on each one of them and have had no crank problems with any of them.them and they all have the original dampener

I am not sure what Cats your talking about but I have 3 Cat Motors 1 cat thats a 425 B model 1 3406 E Model and 6nz and they have all over 2 million miles on each one of them and have had no crank problems with any of them.them and they all have the original dampener

I am not sure what Cats your talking about but I have 3 Cat Motors 1 cat thats a 425 B model 1 3406 E Model and 6nz and they have all over 2 million miles on each one of them and have had no crank problems with any of them.