Power: 50 hp[B] Date of manufacture : 1937 - 1939
Production Manufacturer: McCormick-Deering (a part of International Harvester) Type: Agricultural Crawler tractor Factory: Chicago, Illinois, USA Total built: 1,313 McCormick-Deering T-40 Power Drawbar (claimed): 35 hp 26.1 kW Belt (claimed): 45 hp 33.6 kW Drawbar (tested): 44.28 hp 33.0 kW Belt (tested): 51.67 hp 38.5 kW McCormick-Deering T-40 Engine Mechanical Chassis: crawler Cab: Open operator station. Transmission: 5-speed gear Dimensions & Tracks Weight: 12770 lbs 5792 kg tracks Full dimensions and tracks ... T-40 Serial Numbers Location: Seat, right side 1937: 6652 1938: 7921 1939: 8706 how to read serial numbers...

McCormick-Deering Super WD-6	Power: 45 hp[P]	Date of manufacture : 1952 - 1954

McCormick-Deering Super WD-9	Power: 72 hp[B]	Date of manufacture : 1953 - 1956

McCormick-Deering T-20	Power: 27 hp[B]	Date of manufacture : 1931 - 1939

McCormick-Deering T-35	Power: 43 hp[B]	Date of manufacture : 1937 - 1939

McCormick-Deering T-40	Power: 50 hp[B]	Date of manufacture : 1937 - 1939

McCormick-Deering TA-40	Power: 50 hp[B]	Date of manufacture : 1932 - 1936

McCormick-Deering TD-35	Power: 41 hp[B]	Date of manufacture : 1937 - 1939

McCormick-Deering TD-40	Power: 53 hp[B]	Date of manufacture : 1933 - 1939

McCormick-Deering W-4	Power: 27 hp[B]	Date of manufacture : 1939 - 1952