Allen

September 28, 2010

The new 4-foot-diameter Allen MSP (Mechanical Super Pro) 425 riding trowel, which replaces the model SP425, features a new torque-converter clutch and an improved weight-to-horsepower ratio. Other features of the new model include manual steering and pitch controls; 34-horsepower liquid-cooled gasoline engine; two 46-inch-diameter, five-blade, non-overlapping rotors; rotor speeds to 170 rpm; electric-powered spray system for application of retardant; flip-up seat; and removable screens for access to the engine, clutch and driveline.

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