Unknown steam engine

This is currently on ebay item #225673521307 At first glance it looks vaguely like a Stanley engine. On closer inspection, it isn't. Note the cast iron frame and no reversing linkage. Any ideas?
Have a nice day
Steve

I dunno, man. That crankshaft, unsupported after the connecting rod, looks shady as all get-out. I'm wondering if it wasn't plugged into some other kind of machinery which provided bearing support ... like maybe a pump, winch, factory tool, or so on? It sure doesn't look like anything even vaguely automotive, I'm not seeing a variable cutoff/reversible valve gear in sight.

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File Name	File Size		Posted by	Date
s-l1600.jpg	387.4 KB	open | download	steveinky	07/21/2023	Read message