So, I got my first tractor. I found a Mitsubishi MT180D for what I thought was a good deal. It is an 18.5 HP 3 cyl diesel, 4WD, manual trans. It came with a 4' box scraper and I "stole" a 60" Bush Hog for $150. The Bush Hog is a little heavy and I want to add some ballast to the front. What is a...