Power: 44 hp Date of manufacture : 1912 - 1914
Production Manufacturer: Hart-Parr Factory: Charles City, Iowa Hart-Parr 20-40 Power Drawbar (claimed): 20 hp 14.9 kW Belt (claimed): 40 hp 29.8 kW Hart-Parr 20-40 Engine Mechanical Dimensions & Tires Full dimensions and tires ...

Hart-Parr 12-24	Power: 26 hp	Date of manufacture : 1924 - 1930

Hart-Parr 16-30	Power: 33 hp	Date of manufacture : 1924 - 1926

Hart-Parr 17-30	Power: 33 hp	Date of manufacture : 1901 - 1906

Hart-Parr 18-36	Power: 40 hp	Date of manufacture : 1926 - 1930

Hart-Parr 20-40	Power: 44 hp	Date of manufacture : 1912 - 1914

Hart-Parr 22-45	Power: 50 hp	Date of manufacture : 1903 - 1911

Hart-Parr 28-50	Power: 55 hp	Date of manufacture : 1927 - 1930

Hart-Parr 28-44	Power: 48 hp	Date of manufacture : 1930 - 1937

Hart-Parr 40-80	Power: 110 hp	Date of manufacture : 1908 - 1909