The TerraTrencher Labyrinth Drive Axle is a replacement for all GeoRipper engines. Replace to keep your TerraTrencher powered with the drive axle by transferring energy from your transmission to your engine. The patented Terratrencher cuts a trench approximately 38-40mm wide and up to 750mm deep, depending on the model used. The offset transfer case positions the digging bar centrally, providing excellent ergonomic weight balance and maneuverability. The Terratrencher features a heavy duty trenching chain equipped with toughened steel self sharpening blades providing high reliability and exceptional performance.