The database holds 15 post hole digger models from 7 manufacturers, including CountyLine, King Kutter, Titan Attachments, Frontier, Land Pride. Working weights run from 145 to 350 lb, and minimum PTO horsepower requirements from 12 to 35 HP. 5 are rated by the manufacturer for sub-compact tractors. Each record lists hitch category, PTO speed, working width, and the manufacturer document the figures were read from, with the date that document was last checked. Open any model to see which of the tractors in the database fit it, and which specification rules the rest out.