Off the beaten path, again

We were coming into Burnsville NC on 221, when my buddy spotted these off the side of the road, sitting with several junked school buses and trailers.  I did a fast u-ey so we could stop and get pix.  I think, maybe, possibly, the red one, an industrial locomotive, is an old GE diesel.  The yellow one, which features an automobile engine, looks maybe locally adapted from another unit.  I couldn’t find a citation for “N.P. R.R.” nor for the “B. (W?). R. R.” that’s in faded, fancy lettering on the hood of the yellow one.  Bless ’em.  They probably worked hard in their day.
n.b. in reference to the comments below, this article on Wiki

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