Power: 22 hp[B] Date of manufacture : 1929 - 1933
Production Manufacturer: Caterpillar Type: Agricultural Crawler tractor Original price: $1,100 (1932 ) Caterpillar Fifteen Power Drawbar (claimed): 15 hp 11.2 kW Belt (claimed): 20 hp 14.9 kW Drawbar (tested): 21.79 hp 16.2 kW Belt (tested): 24.77 hp 18.5 kW Caterpillar Fifteen Engines Mechanical Chassis: crawler Cab: Open operator station. Transmission: 3-speed gear Photos Caterpillar Fifteen photos... Dimensions & Tracks Weight: 4500 to 5500 pounds 10-inch tracks Full dimensions and tracks ... Fifteen Serial Numbers 1929: PV1 1930: PV4024 1931: PV7206 1932: PV7312 Final: PV7559 1932: 7C1 1933: 7C242 Final: 7C307 1932: 1D1 1933: 1D61 Final: 1D60 how to read serial numbers... Belt Pulley Diameter: 10.5 inches 26 cm Width: 6.5 inches 16 cm RPM: 950 Speed: 2600 ft/min 792.48 meters/min

Caterpillar Diesel Seventy-Five	Power: 103 hp[B]	Date of manufacture : 1933 - 1935

Caterpillar Diesel Sixty	Power: 85 hp[B]	Date of manufacture : 1931 - 0000

Caterpillar Diesel Sixty-Five	Power: 85 hp[B]	Date of manufacture : 1931 - 1932

Caterpillar Diesel Thirty-Five	Power: 50 hp[B]	Date of manufacture : 1933 - 1934

Caterpillar Fifteen	Power: 22 hp[B]	Date of manufacture : 1929 - 1933

Caterpillar Fifty	Power: 67 hp[B]	Date of manufacture : 1931 - 1937

Caterpillar Forty	Power: 54 hp[B]	Date of manufacture : 1934 - 1936

Caterpillar RD4	Power: 44 hp[B]	Date of manufacture : 1935 - 1940

Caterpillar RD7	Power: 75 hp[B]	Date of manufacture : 1935 - 1940