You don't need to go back 60-70 years to the bad old days of 9Ns with leaking carburetors, slipping clutches, and transmission-driven PTOs. A 20-30 year old 4WD

You don't need to go back 60-70 years to the bad old days of 9Ns with leaking carburetors, slipping clutches, and transmission-driven PTOs. A 20-30 year old 4WD compact tractor with a diesel engine, hydrostatic transmission, and independent, live PTO can similarly last forever and be easily maintained (as long as you don't buy a Deere).