KD Performance with Front Wheel Drive The self-propelled version of the original KD lawn vacuum has all of the features you expect from Billy Goat, plus a simple yet proven front-wheel drive system that really helps on lawns with slopes or uneven terrain. This rugged, professional tool is designed to pick-up bottles, cans, paper, cigarettes butts, leaves and other man-made and organic debris. Twelve-inch high profile wheels increase maneuverability around tight spots and through deep leaves.