I need to pull a 2-row plow, 7 ft. disc-harrow, 7 ft. cultivator, 6 ft. bush-hog, and 2-row planter. I have been looking at older MFs (the 150, 165, and newer 245). These all seem to be real solid tractors. The 150 is the harder model to find, maybe because it is so popular. My Dad always...