The main feature of the car was the innovative overhead valve engine and water cooling with a pump.

Marketing efforts for the new car promoted its strength by having it drive up the 47 steps of the Iowa State Capitol building.

Other advertisements boasted about the excellent fuel efficiency of the Duesenberg two-cylinder engine, claiming it could carry the car 475 miles on 18 gallons of gasoline.

[2][1] The Duesenberg brothers left the company when the Maytags controlled it but retained the Mason name for racing cars they built.

This new car had a four-cylinder 65-hp Duesenberg engine mounted on a 128-inch wheelbase chassis that was underslung in the front and overslung at the rear.

[2] Finances and leadership changes proved insurmountable for Edward Mason and the company was bankrupt by the end of 1914.