2020 SDLG E6250F HD Crawler Excavator

This is a  E6250F HD excavator, nothing out of the ordinary, standard crawler excavator, took about two hours. I’m seeing that the engine bay is dirty, but not dirty for a reason, as I can’t see any dust and grime on the valve cover and that there’s no fresh engine oil (or new looking oil) oozing through any gaskets around it that I can see, and the air intake hose is intact (no cracks or splitting), but the coolant reservoir cap is on and sealed from a plastic cover that appears as if it was damaged over time by exposure to hot oil or whatever, and I’m seeing some pink-red staining on the top radiator hose that weeped through the hose collar, but I’m hoping someone would do more in-depth research before taking the leap on a purchase since this could be just old weep out from the coolant burp or a gradual leak around the hose collar, either way the hose needs to be wiped down and further investigation under the hot cowl.

The wear plates on the back of the bucket are those bolt-on parts and the raised blocks seem to be in pretty good shape (no pinching up), but no caps, plan on a complete tooth change and likely a bucket edge look before putting this thing back on a job site, the track shoes are steel, no rubber on them, which is fine for dirt work, however the heights of the tracks shoes themselves are down and the shoes themselves are mud filled to the full seventy fifty percent way down to the pins, not actually measured with a gauge so take that as an eyeballed estimate. The bucket pins on the boom and arm seem tight (no pins rolling side to side), bucket paint is gone at the stress points, there still seems to be some bare metal showing on the elbow joint area but no cracks.Hydraulic side, center swivel joint is dark with residue around the base, oil is stained on the body of the joint and on the areas around the oil body of the side frame, I went back and looked again to make sure, wait, let me go back under there with a rag – no fresh hay of oil dripping, but there is surface corrosion on the housing, as is typical with a pilot pump around, previously referred to as kind of deferred maintenance, fuel filter is SDLG OEM, looks good as if it was newly replaced. This machine is being used and is not a rebuild with new time, it accumulates hours normally.