DR power aerator

[Jail Bird]

Does anyone have one of these little rigs ?? I have access to a Lesco Split-Drive drum Aerator that I share with a friend of mine. It is becoming a hassle to shuffle it back and forth when we both get busy. I was thinking about buying one of these so that I (we) would have a small machine around to knock out little properties. The cam/crank shaft set up worries me a little bit. The dealer is also trying to tell me that I can get like 16" a pass based on over lap, which seems a bit of stretch.