Planetary gear box delivers efficient torque and increased reliability. Hydraulic Flow Range: 7-25 GPM (varies by model). This earth auger is a kind of digging hole machine. It can be mounted to all common hydraulic excavator as well as mini excavator and other carrier like skid steer loader, backhoe loader, crane, telescopic handler, wheel Loader and other machinery. It does well in backfill, clay, mucky, sandy, frozen, gravel and also in rock layer with special rock teeth and rock pilot.The planetary geared drive unit powers through tough soil and dirt and keeps the power ready for when you need it. When digging holes, torque means power! This system allows the motors output torque to be multiplied with extreme efficiency as well as ensuring the durability and reliability you need. All Earth Drills come standard with high quality hoses and couplers (excludes larger units). 6"3"1.2 (1557530mm). This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Attachments\Other Heavy Equipment Attachments". The seller is "toolots" and is located in this country: US. This item can be shipped to United States.