i want to buy a new tractor soon, being its the end of the season and they won't be as bad on my wallet as in spring. but i want something to mow my yard with..its not a huge yard.. and pull a cart and the other main thing we'll be using it for is to till the garden. i dont want a dinky hope depot/lowes version or anything. i want something thats going to last 25+ years. it dosent need to be 4 wheel drive or anything. i want at LEAST 16 or 18 horse. i am willing to spend around the 5-6,000 range with a tiller. give some take some. suggestions on models?