Auger Drive Units
Precision Drilling Power for Heavy-Duty Excavators
Welcome to our curated collection of Auger Drive Units—the professional-grade hydraulic powerheads designed to transform your excavator into a high-efficiency drilling machine. This category is for contractors, utility crews, foundation specialists, and land clearing professionals who demand consistent torque, reliable single or two-speed operation, and the durability to handle tough soil conditions, frost, and rock. Whether you are installing fence posts, solar foundations, or deep structural piers, these units deliver the controlled force and rugged build quality your jobsite requires.
What to Look For
Selecting the right Auger Drive Unit starts with matching your excavator’s hydraulic flow and pressure. Check your machine’s rated flow (GPM) and operating pressure (PSI) to ensure compatibility—single-speed units like the Digga SD Series offer simplicity and high torque at lower flows, while two-speed models (e.g., Digga DDT Series) provide faster rotation in soft ground and increased torque in dense material. Consider shaft size (commonly 2.5″ or 3″ hex) and auger diameter requirements. For demanding applications, look for high-flow models with planetary gear reduction, heavy-duty bearings, and integrated relief valves to protect against shock loads. A drive unit with a replaceable wear plate and accessible service points will reduce downtime over the long haul.
Our Auger Drive Units Collection
Our selection features 39 premium Auger Drive Units from Digga, a global leader in earth drilling technology, priced from $11,800 to $27,100. Every unit in this range is engineered for excavators from mini to mid-size, with robust cast housings, sealed motor designs, and optimized gear trains. The Digga SD Series (SD45HPS, SD50HPS, SD70HPS, SD80HPS, SD95HPS) delivers high-powered single-speed performance for consistent, heavy drilling. The Digga DDT Series (13DDT, 16DDT, 20DDT, 25DDT, 30DDT) offers versatile two-speed operation with 3″ hex shafts, ideal for operators who need both speed and brute force on the same job. Each unit is backed by factory support and ready to ship.
Browse our complete inventory to find the perfect match for your excavator and application. If you need assistance selecting the right drive, contact our team—we’re here to help you drill with confidence.
