The database holds 20 rotary tiller models from 9 manufacturers, including King Kutter, Land Pride, CountyLine, Titan Attachments, Frontier. Working weights run from 293 to 638 lb, and minimum PTO horsepower requirements from 10 to 25 HP. 3 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.