| Production | |
| Manufacturer | International Harvester |
| Agricultural Crawler tractor | |
| Built in Melrose Park, Illinois, USA | |
| Total built | 22,016 |
| International Harvester TD-18A Engine | |
| International Harvester 11.3L 6-cyl diesel | |
| Fuel tank | 60 gal 227.1 L |
| Aux. fuel | 1.33 gal 5.0 L |
| International Harvester TD-18A Power | |
| Drawbar (claimed) | 103 hp (early) 76.8 kW |
|   | 109 hp (late) 81.3 kW |
| Belt (claimed) | 117 hp 87.2 kW |
| Drawbar (tested) | 106.66 hp 79.5 kW |
| Belt (tested) | 121.62 hp 90.7 kW |
| Mechanical | |
| Drive | crawler |
| Steering | hydraulic steering clutches |
| Mechanical band brakes | |
| Open operator station. | |
| Dimensions & Tracks | |
| Weight | 21,500 lbs 9752 kg |
| Tracks | |
| TD-18A Serial Numbers | |
| Location: | upper-left dash |
| 1949 | 22536 (TDR) |
| 1950 | 22837 (TDR) |
| 1951 | 24668 (TDR) |
| 1952 | 27245 (TDR) |
| 1953 | 29201 (TDR) |
| 1954 | 32089 (TDR) |
| 1955 | 33507 (TDR) |
| Final | 33649 (TD181) |
| 1955 | 33650 (TD181) |
| 1956 | 35725 (TD181) |
| Final | 36100 (TD181) |
| 1956 | 36101 (TD182) |
| 1957 | 37882 (TD182) |
| 1958 | 38805 (TD182) |
| Final | 38861 (TD182) |
FAQ: How to read a serial number table. | |
| Belt Pulley | |
| Diameter | 11.75 inches 29 cm |
| Width | 11 inches 27 cm |
| RPM | 906 |
| Speed | 2,788 ft/min 849.78 meters/min |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on March 1, 2023 |