MSP 445 Mechanical Drive Riding Trowel offers higher horsepower, improved torque-converter clutch, and improved weight-to-horsepower ratio, allowing users to pan through any pours. Standard features include manual steering and pitch controls; 40-hp air-cooled Kohler gasoline engine; torque converter clutch system; two 46-in.-diameter 5-blade nonoverlapping rotors; rotor speeds up to 165 rpm; electric-powered spray system for application of retardant; and flip-up seat and removable screens for superior accessibility to engine, clutch, and drive-line. Allen Engineering. 800-643-0095.