| Production | |
| Manufacturer | International Harvester |
| Agricultural Crawler tractor | |
| Built in Melrose Park, Illinois, USA | |
| Total built | 59,800 |
| International Harvester TD-9 Engine | |
| International Harvester 5.5L 4-cyl diesel | |
| Fuel tank | 31 gal 117.3 L |
| Aux. fuel | 0.7 gal 2.6 L |
| International Harvester TD-9 Power | |
| Engine | 49.5 hp 36.9 kW |
| Drawbar (claimed) | 39 hp (early) 29.1 kW |
|   | 40.5 hp (late) 30.2 kW |
| Drawbar (tested) | 39.50 hp 29.5 kW |
| Belt (tested) | 46.69 hp 34.8 kW |
| Mechanical | |
| Drive | crawler |
| Contracting band brakes | |
| Open operator station. | |
| Power Take-off (PTO) | |
| Rear PTO Type | 540 (1.375) |
| Dimensions & Tracks | |
| Weight | 9805 to 10800 pounds |
| 13-inch tracks | |
| TD-9 Serial Numbers | |
| Location: | Serial number plate on the lower-left of the dashboard. |
| 1940 | 501 |
| 1941 | 2174 |
| 1942 | 4164 |
| 1943 | 8664 |
| 1944 | 11912 |
| 1945 | 18247 |
| 1946 | 23692 |
| 1947 | 26289 |
| 1948 | 29512 |
| 1949 | 32973 |
| 1950 | 36927 |
| 1951 | 40398 |
| 1952 | 44710 |
| 1953 | 47848 |
| 1954 | 52599 |
| 1955 | 56208 |
| 1956 | 58819 |
FAQ: How to read a serial number table. | |
| References | |
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| Crawler Tractors for Agriculture - Confidential Sales Manual published in 1951, by International Harvester | |
| TD-9 Diesel published in 1948, by International Harvester | |
| TD-9 Diesel Crawler published in 1951, by International Harvester | |
| TD-9 Diesel Crawler Tractor published in 1951, by International Harvester | |
| General Line Catalog published in 1949, by International Harvester |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on September 20, 2022 |