International Harvester TD-9 Series 91
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| Production | |
| Manufacturer | International Harvester |
| Agricultural Crawler tractor | |
| Built in Melrose Park, Illinois, USA | |
| Total built | 59,800 |
| Variants | |
| TD9-424 | track-loader |
| International Harvester TD-9 Engine | |
| International Harvester 5.7L 4-cyl diesel | |
| Fuel tank | 33 gal 124.9 L |
| Aux. fuel | 0.7 gal 2.6 L |
 Engine details ... | |
| International Harvester TD-9 Transmissions | |
| 5-speed gear | |
| 4-speed gear | |
 Transmission details ... |
| International Harvester TD-9 Power | |
| Engine (net) | 66 hp 49.2 kW |
| Drawbar (claimed) | 54.5 hp 40.6 kW |
| Belt (claimed) | 62 hp 46.2 kW |
| Drawbar (tested) | 52.79 hp 39.4 kW |
| Belt (tested) | 62.69 hp 46.7 kW |
 Performance test details ... | |
| Mechanical | |
| Drive | crawler |
| Final drives | bull gear |
| Contracting band brakes | |
| Open operator station. | |
| Photos | |
| No photos of the International Harvester TD-9 are currently available. To submit yours, email it to Peter@TractorData.com. Photos may only be used with the permission of the original photographer. | |
| Dimensions & Tracks | |
| Weight | 12000 lbs 5443 kg |
| 13-inch tracks | |
 Full dimensions and tracks ... | |
| TD-9 Serial Numbers | |
| Location: | lower-left dash |
| 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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| TD-9 91 Series published by International Harvester |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on September 30, 2022 |