| Production | |
| Manufacturer | McCormick-Deering (a part of International Harvester) |
| Agricultural Crawler tractor | |
| Built in Chicago, Illinois, USA | |
| Total built | 15,199 |
| McCormick-Deering T-20 Engine | |
| International Harvester 3.6L 4-cyl kerosene | |
| Fuel tank | 22 gal 83.3 L |
| Aux. fuel | 1 gal 3.8 L |
| McCormick-Deering T-20 Power | |
| Drawbar (claimed) | 18 hp 13.4 kW |
| Belt (claimed) | 25 hp 18.6 kW |
| Drawbar (tested) | 23.33 hp 17.4 kW |
| Belt (tested) | 26.59 hp 19.8 kW |
| Mechanical | |
| Drive | crawler |
| Steering | Dry, single plate clutch, 11-inch |
| Dry disc brakes | |
| Open operator station. | |
| Dimensions & Tracks | |
| Weight | 7,010 lbs 3179 kg |
| Tracks | |
| T-20 Serial Numbers | |
| Location: | Seat, right side |
| 1931 | ST501 |
| 1932 | ST1420 |
| 1933 | ST151 |
| 1934 | ST2685 |
| 1935 | ST3586 |
| 1936 | ST5973 |
| 1937 | ST9117 |
| 1938 | ST13173 |
| 1939 | ST14636 |
FAQ: How to read a serial number table. | |
| References | |
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| International Tractors - The Line That Offers You A Choice published in 1933, by International Harvester | |
| McCormick-Deering Tractors - Modern Agricultural Power published in 1933, by International Harvester |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on August 23, 2022 |