Home \ Products \ Earth Anchor Drive Units \ Single Speed Earth Anchor Drive Units Single Speed Earth Anchor Drive Units Whether you call them helical pliers, earth anchors, or screw anchors, Premier makes the single-speed high-torque drive units you need to get them installed properly. Ours are industrial-grade drive units designed, engineered, and built for the most demanding jobs. We build them to last, too, over decades of hard use. You'll also like that these drive units... are made in the USA, right here in our Fort Wayne, Indiana, plant, require no third drain line, come in a wide range of torque capacities, are made to handle the higher hydraulic operating pressures of today's skid steer loaders, excavators, backhoes, cranes, and compact track loaders, work with the more than 250 different Premier-built mounting brackets available for these machines, accept custom mounting brackets as well, have built-in hydraulic pressure-relief valves for worry-free earth anchor installation every time are available with output shafts in 2-inch hexagon, 2½-inch hexagon, 3-inch hexagon, and 4-inch square configurations, and are compatible with the Premier Power Pin Here’s something else we think you’ll like: we offer our single-speed high-torque drive units at competitive prices, building them to be as affordable as they are dependable. Even so, we understand that financing is often necessary, especially where larger earth anchor systems are concerned. So we extend you a variety of financing options. Just let us know what you’re looking for. The models below represent the most common single-speed high-torque earth anchor drive units we make: H055PD: This is a mid-sized drive unit that fits in the 4,000 to 6,000 ft/lb torque range. It’s available with either a 2-inch hexagon or 2½-inch hexagon output shaft and is well matched for use on everything from skid steers to backhoes to small- and mid-sized excavators. H075PD & H085: Both the H075 & H085 are higher-torque earth anchor drive units that work with everything from skid steer loaders to larger excavators. These units operate in the 8,000 to 12,000 ft/lb torque range. They’re available with a 2½-inch hexagon output shaft. H095: The H095 is a larger drive unit designed to operate in the 10,000 to 17,000 ft/lb torque range ideal for helical pier installation. Use it confidently on skid steer loaders, larger excavators, and everything in between. It has a 2½-inch hexagon output shaft. H120 & H130: These large torque-twisting drive units are built for power, producing torque in the 15,000 to 35,000 ft/lb range. We offer them with either a 3-inch hexagon or 4-inch square output shaft. It’s worth noting again that every one of these single-speed drive units is compatible with the Premier Power Pin torque monitoring system – a system unmatched for ensuring accurate earth anchor installation. Questions? Feel free to contact Premier Auger anytime. We’re as well known for our personalized customer service as we are for the quality of our single-speed high-torque anchor drives.