Home \ Products \ Earth Auger Drive Units \ Excavator Auger Drives Excavator Auger Drives Premier Attachments offers two types of Excavator Auger Drives: Heavy Duty High Flow and 2-Speed High Flow. The Heavy Duty High Flow auger drives are built for the toughest drilling conditions and designed to work on machinery with hydraulic flows between 25 gpm to 60 gpm with torque output ranging from 3,624 ft. lbs. to 35,297 ft. lbs. The 2-Speed High Flow auger drives are built for variable conditions that require a balance between torque and speed to be maximized throughout the project. The auger drive shifts-on-demand when high torque/low rpm conditions exist and returns to low torque/high rpm when digging eases up. No drain line is required Our high torque drive units work great in even the toughest conditions We offer mounting brackets to work with pin-on buckets, OEM couplers, aftermarket couplers and custom mounts Premier Attachments offers a cradle function with our mounts to hold the auger drive and auger bit secure when you're moving from hole to hole Output shafts available in 2", 2-1/2" and 3" hexagon and 4" square The chart below lists of most popular Excavator Heavy Duty High Flow and 2 Speed High Flow models. For a complete list of mounts, augers, adapters, extensions, collars, parts and accessories, please see pages 3-9 in our Premier Attachments Catalog. High Flow/High Torque Auger Drives Model Max Auger Diam. Min Hyd: GPM/RPM Max Hyd: GPM/RPM Min Hyd: PSI/Torque Max Hyd: PSI/Torque Output Warranty H045PD 48" 25/53 40/85 2500/3624 4000/5798 2" Hex & 2-1/2" Hex 5 Years H055PD 48" 35/58 50/84 2500/4578 4000/7325 2" Hex & 2-1/2" Hex 5 Years H065PD 48" 30/54 55/74 2500/5722 4000/9156 2" Hex & 2-1/2" Hex 3 Years H075PD 48" 40/43 60/65 3000/8527 4500/12790 2-1/2" Hex 3 Years H085PD 48" 40/54 60/51 2500/8957 3500/12539 2-1/2" Hex 3 Years H095PD 48" 45/30 60/41 2500/11213 4000/17941 2-1/2" Hex 2 Years H120PD 48" 30/15 60/29 2500/15790 3500/22107 3" Hex & 4" Square 2 Years H130PD 48" 30/9 60/18 2500/25212 3500/35297 4" Square 2 Years 2-Speed High Flow Auger Drives Model Speed/Torque Min Hyd: GPM/RPM Max Hyd: GPM/RPM Min Hyd: PSI/Torque Max Hyd: PSI/Torque Output Warranty H206PD High/Low Low/High 25/56 25/37 35/80 35/53 2500/3376 2500/5054 3000/4051 3000/6065 2" Hex 2 Years H215PD High/Low Low/High 30/26 30/12 50/43 50/33 2500/7895 2500/11843 3000/9471 3000/14211 2-1/2" Hex 2 Years H230PD High/Low Low/High 30/12 30/8 50/21 50/14 2500/18577 2500/27866 3000/22292 3000/33439 3" Hex 2 Years For more information please call our Customer Service Department at 1-866-458-0008 or Find a Dealer near you.