kioti dk65s

I found a Kioti dk65S (Perkins 3.3L 3cyc) and I am not familiar with these tractors but read that they are a decent tractor. The sound the tractor makes, seems to be a bit different than what I am use to (ford, same, LS). I watched a few videos of other Kioti tractors and it sounds similar to...

A few weeks ago the temperature gauge indicated overheat condition. We shut it down and let it cool to check radiator levels, radiator was full. After a couple of times using it the Head heater came on with every start and stayed on for 15 min. Ordered a new sensor and went to replace it last...