Powered by a 3-hp Honda four-cycle engine with diaphragm carburetion, this 142-pound percussion rammer delivers up to 700 bpm at 3800 pounds/blow. The R440HC features a noise attenuating 4.6-quart fuel tank, low center of gravity, tough four-ply steel and fiber reinforced bellows, and a cool running delivery system. Highly effective on all soil types, it can be equipped with a digital tachometer to advise operators of optimal performance range. MBW, 800-678-5237, www.mbw.com