John Deere 4520 with Mattracks and Land Pride PR1690

Another one of my brotherinlaws tractors. It is running a Land Pride PR1690. Not really sure what they call it but I know landscapers use it level ground. This is the same tractor he uses to knock the cranberries off the vines during harvest. I will try to get some video of that when he does. That is the reason it has the