Home \ Products \ Earth Anchor Drive Units \ 2-Speed Earth Anchor Drive Units 2-Speed Earth Anchor Drive Units The Premier Two-Speed Auger Drives are built for the contractor that encounters variable conditions requiring the balance between torque and speed to be maximized throughout their project. The auger drives Shift on Demand when high torque/low rpm conditions such as rock are present and returns to low torque/high rpm when digging conditions ease. There is no manual or electrical shifting and no case drain required. These Two Speed Auger Drives are made for Standard Flow and High Flow machines. There are 4 models for the Standard Flow machines and 3 models for High Flow. Drive units are built with a direct drive planetary design with output shafts of 2", 2-1/2" and 3" Hexagon. Torque ranges achievable from 1706 ft. lbs. to 33,439 ft. lbs. depending upon the hydraulic system. For additional information, please don’t hesitate to contact us and be sure to check out our 2020 Premier Attachments Catalog.