The Ground Hog HD99 is a Towable Hydraulic Earthdrill that is designed to be powerful, easy to use and require very little maintenance. The HD99 is the most powerful earthdrill in the Ground Hog line.
With it's 9hp Honda engine, the HD99 can easily dig with any Ground Hog auger up to 18 inches in diameter. The use of hydraulics allows the HD99 to have variable auger speed and reverse which is very useful if the auger gets stuck. The unit is also very well balanced which puts less strain on the user.