MiniTrencher GeoRipper GRTA-E500 E-Series 20" TA Kit for Echo® CSG-7410 Engine - The GeoRipper® E-Series 20" TA Kit is a bolt-on and bolt-off trenching attachment kit that fits on a Echo® CSG-7410 engine (engine not included). It allows users to convert their power cutter (Echo® CSG-7410) into a GeoRipper® minitrencher, and back, in minutes. It features a new safety bar and dirt deflection system to keep the soil on the ground and fingers away from moving parts.