Power: 31 hp[B] Date of manufacture : 1926 - 1935
Production Manufacturer: Twin City Type: Standard-tread tractor Factory: Minneapolis, Minnesota, USA Total built: 15,000 Variants 17-28: farm tractor Road Chief: industrial tractor Twin City 17-28 Power Drawbar (claimed): 17 hp 12.7 kW Belt (claimed): 28 hp 20.9 kW Plows: 3 (14-inch) Drawbar (tested): 22.505 hp 16.8 kW Belt (tested): 30.91 hp 23.0 kW Twin City 17-28 Engine Mechanical Chassis: 4x2 2WD Steering: manual Brakes: mechanical contracting band Cab: Open operator station. Transmission: 2-speed gear Photos Twin City 17-28 photos... Dimensions & Tires Wheelbase: 84 inches 213 cm Weight: 4600 to 5350 pounds Front tire: 34x5.75 Rear tire: 50x12 Full dimensions and tires ... 17-28 Serial Numbers Location: front-left of transmission 1928: 24029 1929: 27687 1930: 30104 1931: 30282 1932: 30299 1933: 30310 1934: 30334 1935: 30763 Final: 30808 how to read serial numbers... Belt Pulley Diameter: 16 inches 40 cm Width: 7.5 inches 19 cm RPM: 650 Speed: 2720 ft/min 829.06 meters/min

Twin City 12-20	Power: 22 hp[B]	Date of manufacture : 1919 - 1926

Twin City 15-30	Power: 33 hp[B]	Date of manufacture : 1916 - 1919

Twin City 16-30	Power: 33 hp[B]	Date of manufacture : 1918 - 1920

Twin City 17-28	Power: 31 hp[B]	Date of manufacture : 1926 - 1935

Twin City 20-35	Power: 38 hp[B]	Date of manufacture : 1920 - 1927

Twin City 21-32	Power: 35 hp[B]	Date of manufacture : 1928 - 1938

Twin City 25-45	Power: 50 hp[B]	Date of manufacture : 1916 - 1920

Twin City 27-44	Power: 48 hp[B]	Date of manufacture : 1927 - 1935