This machine was bought new and kept being serviced by Cotton Hutcheson in AL. Owner has owned it for a long time. It works and runs great. It doesn't need anything. Everything has gone through & inspected. 3-4 months ago, Owner swapped the engine with a newer one (800 hours on it) from another 620C’s he owns. Tidewater Equipment recently checked the pressure and wverything is good! Hydrostats are good, too! It’s got a new injector pump. 30.5’s tires, with 60-70% on it still. Pins are tight, center section is tight, still.