This is the DR Power TT13036BMN tow behind rototiller that is designed with a Briggs and Stratton 950 CR series engine for optimal performance. The construction of the tow behind rototiller is a heavy-duty construction of 1-1/2 inch square tubing and 12 gauge steel with a baked-on powder coating finish to resist corrosion. The attachment has manual depth control with a simple lever within easy reach from your tow vehicle.