CZM’s EK200 CFA is mounted on a Tier 4 Caterpillar Base; CAT 336E. The machine is a Bottom Drive CFA, which allows for deeper depths and higher torque. The revolutionary patented system Bottom Drive CFA applies to the execution of continuous flight auger piles. In this system, the drilling tool – auger – is part of the mechanism of torque transmission, so that notches are opened aligned along its full length.