I inherited a Cub Cadet self propelled mower that has a 6.25 horsepower. It has the caster wheels up front and works great except it is a pushmower at this point! Any info on this would be great so that I could get it repaired. I'm guessing it has gears in the rear, under the mower like my Toro self propelled. It was free and the caster wheels work great...although I have heard many commercial lawn companies say they break easily....not sure why they even own one. Thanks for any advice, hints, etc.