Railroad lubrication system - photo

Railroad lubrication system.

https://diqn32j8nouaz.cloudfront.net...ubrication.jpg


Previously:

https://www.homemadetools.net/forum/...121#post115609
https://www.homemadetools.net/forum/...050#post149352
https://www.homemadetools.net/forum/...917#post119761
https://www.homemadetools.net/forum/...987#post120128
https://www.homemadetools.net/forum/...455#post154794

'Railroad lubrication system'

I thought it was just for going around curves. Then I found this.

The Federal Railroad Administration conducted a study in which they found top-of-the-line rail lubrication systems resulted in an average fuel savings of 7.7%, with fully loaded trains experiencing fuel savings of 10%.