Boiler Maker 0001743. Leased by Argyle in 1955 from his friend Don Stone. The stallion was chestnut in color, muscular, and large in height and weight. A son of Old Sorrel 1915 and maternal grandson to Chicaro (TB) 1923. His confirmation was his greatest asset. A foundation quarter horse. He is listed in The Foundation of Sires Of The American Quarterhorse by Robet Moorman Denhardt