The BG 28 is our most versatile medium size rotary drilling machines with an operating weight of about 102 tones. It is ideally suited for drilling medium to large diameter cased or uncased boreholes. This machine is ideally suited for all or specialized equipment like our Auger Cast (CFA) or OMEGA Displacement Pile systems to depth exceeding 90 feet. Click HERE for additional information on the Bauer drilling rigs.