Chain reduction drive augers are designed for medium to heavy-duty applications, and are a very popular alternative to the planetary drive augers. Auger drives feature preessed, fully adjustable reduction drives and the strongest connecting links available. Choose auger drive units and bits in 2-9/16" Round or 2" Hex output shafts. Complete units include the universal skid steer mount, hoses, and flat-faced couplers. All bits sold separately.