Home \ Products \ Earth Anchor Drive Units \ Single Speed Earth Anchor Drive Units Single Speed Earth Anchor Drive Units With constantly changing building codes and building practices, there’s no doubt that helical earth anchors will continue to be a fixture of the construction trade. Premier Attachments pride itself in keeping up with the demand for ever larger drive units capable of delivering the higher torque necessary to install these anchors to the engineer's specifications. We have 18 single-speed models available with torque ranges between 734 ft. lbs. to 35,297 ft. lbs. depending upon the hydraulic system. Feel free to contact us anytime. Be sure to take a look at our 2020 Premier Attachments Catalog, for more information.