Multiple pumps on excavators, what pump failed?
Go to the machine with a suction gun with a long tube take a couple
of oil samples and send samples for oil analysis to at least two different labs.
I found the original bill of sale for a Ford we had that we sold a few years ago.
It was kind of expensive for 1969 as you could buy a nice Ford Mustang for that.
For the driveway , clearing land and grapple work the track loader.
For mowing the tractor would work best.
I dont know what kind of grass you have there where a 45Hp
tractor cant cut it. Maybe there is a problem with your cutter.