Power: 53 hp[B] Date of manufacture : 1933 - 1939
Production Manufacturer: McCormick-Deering (a part of International Harvester) Type: Agricultural Crawler tractor Factory: Melrose Park, Illinois, USA McCormick-Deering TD-40 Power Drawbar (claimed): 37 hp 27.6 kW Belt (claimed): 48 hp 35.8 kW Drawbar (tested): 48.53 hp 36.2 kW Belt (tested): 53.46 hp 39.9 kW McCormick-Deering TD-40 Engine Mechanical Chassis: crawler Cab: Open operator station. Optional canopy or steel cab. Transmission: 5-speed Power Take-off (PTO) Rear RPM: 535 Dimensions & Tracks Weight: 12400 to 12750 pounds 16-inch tracks Full dimensions and tracks ... TD-40 Serial Numbers Location: Seat, right side 1933: 973 1934: 1472 1935: 3069 1936: 4651 1937: 6654 1938: 7922 how to read serial numbers... Belt Pulley Diameter: 16.75 inches 42 cm Width: 9 inches 22 cm RPM: 591

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

McCormick-Deering W-6	Power: 40 hp[B]	Date of manufacture : 1940 - 1953

McCormick-Deering W-9	Power: 50 hp[B]	Date of manufacture : 1940 - 1953

McCormick-Deering W-12	Power: 16 hp[B]	Date of manufacture : 1934 - 1938