The LS300T+ trailer-mounted drill rig measures 190 in. long and 82 in. wide and is mounted to a 7,000-lb.-capacity, tandem-axle trailer for easy transport. Can bore holes 6 in. in diameter and 300 ...

If you’re not already familiar with your truck’s empty axle weight, the calculations start by weighing the truck. Most highway tractors vary from 18,000 to 21,000 lb., and most tandem van trailers ...