Troy-Bilt Super Bronco 21A-644A766 6.0HP Rear Tine Tiller 6.0hp B&S Engine with 1 forward speed and power reverse Counter-Rotating tines. Wheels and tines work against one another. 16" tilling width and 10" tine diameters. Adjustable tilling depth up to 6" Use for Gardens up to 1250 sq ft Non-CARB Compliant/Not For Sale In California