I have an LB-1914. For those who are not familiar, this is a 20hp, 2300 pound 4x4 mechanical gear tractor. After loader w tooth bar (800 lbs), rear weight (700 lbs), FOPS (300 lbs), filled rear tires (400 lbs) and me (230 lbs), the little tractor is approaching a 5,000 pound operating weight...