USN Mobile Power Unit Train - 3 Nov 46 - What the heck is that???

[gmat]

Actually I can guess what it is.
From RyanCrierie's photostream at Flickr   

USN Mobile Power Unit Train - 3 Nov 46
http://www.flickr.com/photos/63014123@N02/5752574214/in/photostream

http://www.flickr.com/photos/63014123@N02/with/5752574214/

Also shot some US trains and scenery.

http://www.flickr.com/photos/63014123@N02/

Amtrak Cardinal 50/51
http://www.flickr.com/photos/63014123@N02/sets/72157627959617379/

Amtrak Capitol Limited 29/30
http://www.flickr.com/photos/63014123@N02/sets/72157627901554264/

Railfanning
http://www.flickr.com/photos/63014123@N02/sets/72157627298502004/

Amtrak Silver Star 91/92
http://www.flickr.com/photos/63014123@N02/sets/72157627155621959/

Thanks, Ryan for some very interesting photos.

Best wishes,
Grant

[bill937ca]

I would say its the equivalent of a portable substation.

[marknewton]

I've seen these mentioned somewhere, just can't recall where. It's a portable power station - it has a steam turbine turning a generator. Note the safety valves projecting up through the roof behind the smokestack.

Cheers,

Mark.