Powered by a GX690 688cc air-cooled Honda gas engine, the MP 235 Edging Mechanical Drive Riding Trowel’s rotating guard rings allow the operator to edge within 5/16 in. of a wall, as well as maneuvering around columns and pipes. The stretched frame and torque converter clutch improves productivity and operator comfort. Allen Engineering. 800-643-0095. www.alleneng.com