Swisher RTB12544 44-Inch 12.5 HP Trailcutter 44-inch trail cutter for use with an ATV, lawn tractor, or other utility vehicle 12.5 HP Briggs & Stratton engine; cuts most woody materials up to 1-1/2-inch in diameter Rugged 1/8-inch reinforced steel construction Two heavy-duty swinging blades Non-CARB Compliant/Not For Sale In California