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Guided Boring Machine (GBM) systems are the leading solution for accurate and extended drive lengths in soft ground to rock geology for 4-48-in. OD pipe and larger diameters with the guided auger boring method. Our GBM systems are comprehensive and feature robust and intelligent design, adaptable functionality and sensible ease of use features. GBM jacking frames connect with a host of pipe increase tooling, skid extensions and shaft adapters for versatility on a multitude of pilot tube projects.