SLR #320 -- an E10B -- which was purchased along with 7 others when the PV&T reelectrified this switching railroad at 3000vdc (why E10Bs? Because GE was already building a batch of them for the Niagara Junction, which by happy coincidence was yet another switching railroad that also wanted to update their motive power.)
This is another little steeplecab that never got a class letter, but which was classified according to the first road number assigned to the batch.
These units have been puttering around the Boston area servicing a distressingly fluid industrial base, but a fairly sharp marketing department and a wide variety of big class 1's that the PV&T can deliver freight to keeps carloads from falling into the NE pit of despair.
This is the most home-drawn of my paintshop profiles; there's not much that's a good match to the e10b, so I ripped a 44 ton down to clippings, then hand-drew all the bits that didn't' fit (new truck frames, hood tops, cab outline w/ 44-ton windows) and otherwise spent about 8 hour cutting and pasting into something that's /moderately/ close to an actual E10B.
(DD-1, VO-1000, GE 44 ton, U25B, EF-1, and steam dummy profiles used to make this drawing were all drawn by Joshua Moldover @ The Railroad Paint Shop)