Don't know the origin of the Twinkie nickname but I have read that B30-7AB cabless units were given this name when running for original owner BN/BNSF. A couple of years back, P&W disposed of their 5 to National Railway Equipment's extensive lease fleet.

Photographed by John Barlow, October 10, 2014.
Added to the photo archive by John Barlow, January 14, 2019.
Railroad: Providence & Worcester.

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