I don't know the weight but the O'Donnell is more like the older generation in terms of weight. One of the Magazine reviews really slammed it because of it's heft. Personally I think it has a light drivetrain and is a beefy, reliable buggy. I built one from scratch and have the truggy on order with my LHS for RC-Monster an electric conversion.

What did you pay for it? Is it in decent shape?