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Postedover 19 years ago

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coal unit ?

Posted by Anonymous

on Tue, Jun 28 2005 8:41 PM

recently i seen a unit coal train passing through goshen indiana. the thing that had stumped me was that there were i think two air lines going between them. i want to know what the second line going between them was for.

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Posted by jsoderq

on Wed, Jun 29 2005 5:39 AM

Some cars have air dump doors so they can be dumped on the fly. Second line is air for te door controls.

Posted by Anonymous

on Wed, Jun 29 2005 10:13 AM

thanks that helps a lot. i was going crazy trying to ftgure out what is was for[:D]