Pictured is our dear old David Brown 25D. What you may not know is that the manufacturing and design of this little tractor was influenced by the same man that went on to buy Aston Martin in 1947 and then influence and create one of the most dapper sports cars ever. This is where the Aston Martin “DB” (standing for David Brown) series started and which is still, according to Aston Martin the “classic model bloodline that sits at the…