International Harvester TD-18A

The International Harvester TD-18A is a diesel-powered tractor known for its robustness and reliability. With a 6-cylinder liquid-cooled vertical I-head engine, with a displacement of 691.1 ci, bore and stroke of 4.75x6.50 inches respectively, and an oil bath air cleaner. It has a 15.5:1 compression ratio and runs at a rated RPM of 1350. Starting is achieved with a gasoline-start system at 12 volts and the oil capacity of the engine is 26 quarts. The TD-18A is operated by a 6 forward and 2 reverse gear transmission. The cooling system can hold up to 104 quarts of coolant, ensuring the engine maintains an optimal temperature during operation. The significant weight of the tractor, ranging from 22830 to 23630 pounds, adds to the overall stability and sturdiness. It has a mechanical steering system and the dimensions are quite substantial with a length of 166 inches, width of 95 inches, and height of 106 inches.