Allen introduces the MSP 445 Mechanical Drive Riding Trowel to its lineup. The higher horsepower, improved torque-converter clutch and improved weight to horsepower ratio allows the user to pan through tough pours. The MSP 445 features manual steering and pitch controls, a 40-hp air-cooled Kohler gasoline engine, and two 46-inch diameter, 5-blade non-overlapping rotors.