Wow I think that I really lucked ridiculously out; I checked everything out extremely well on phone and in person and although this splitter was indeed being sold by a construction rental company, it really wasn't rented to anyone at all in the last 3years and was only worked for "100 to 240 hours" prior to that!
What happened was the owner of this place personally purchased this splitter simply for firewood for his own home at an auction where he was purchasing much larger machinery. His company really doesn't rent "small" machinery at all; their lot totally was filled with backhoes, bulldozers, skidders, tractors, etc. The splitter simply sat in the warehouse waiting for a few sessions a year of this one person using it and from time to time friends would borrow it. They never even put their painted tool numbers on this one!
According to the records received at auction the splitter was supposedly rented 18 times for "100 to 240 hours" (a combination of half days where they would plug in 4 hours and full days where they would plug in 12 hours but might be theoretically as much as 24 hours) and was sold at an auction by some other smaller rental company which was going out of business. It was then purchased by the present construction rental company for the owner's own use and now by me for my own use! I paid $1300. I think that was a pretty good price?
Anyway, this thing is absolutely awesome! It really looks like new. The original machining marks are still swirled on the tip of the wedge, the edge of the wedge has never had any sharpening or any shaping at all, the teeth to the base of the beam are still super sharp, there is zero indication of damage anywhere, all the welds are original and are wonderful, the ram looks like its in super good shape, the beam looks like it is in super good shape, the spark plug is the original one and looks lovely, I even think the air filter is the original one and looks lovey!
So can all you fine folks please share your thoughts at this point to include whatever I should do to baseline the machine? The hydraulic fluid looks lovely and so does the engine oil but I'm thinking about changing those and changing the spark plug and air filter and fluid filter. Anything else advised? Thanks!