john deere 4450

Hey guys, I'm 16 years old and am thinking of buying either a john deere 4450 or a duramax diesel. My dad has both a john deere 5203 and the duramax. We bought 300 acres of thorn trees this past year and so I need more hp but dad won't get one so thinking of getting one myself. What do you all...

My Dad's 1985 JD 4450 w/15 speed automatic transmission had a clutch spring that was so stiff he could hardly depress the pedal. I mentioned it to the dealer. He laghed and said, "That's not really a clutch, although it functions as one. It opens and closes a hydraulic valve. The reason they...