This page provides a detailed comparison of the specifications for the Allis Chalmers S and the International Harvester TD-18.
| Allis Chalmers S | International Harvester TD-18 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Allis Chalmers | International Harvester |
| Engine Cooling Type | Liquid | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Cylinders | 4 | 6 |
| Engine Displacement Value | 675 ci (11.1 L) | 691 ci (11.3 L) |
| Engine Rated Rpm | 1050 | 1200 |
| Transmission | ||
| Transmission Type | Gear | Gear |
| Transmission Forward Gears | 5 | 6 |
| Transmission Reverse Gears | 1 | 2 |
| Dimensions | ||
| Length Value | 146 | 166 |
| Width Value | 97 | 95 |
| Operating Weight Value | 20100 lb (9117 kg) | 21500 lb (9752 kg) |
| Miscellaneous | ||
| Chassis | Crawler | - |
| Drive Type | Track | - |
| Hitch Category | - | Category 3 |
| Starter Type | Electric | Electric Starter (gasoline start) |
