Introduction
International Harvester TD-18 Crawler Tractor
The International Harvester TD-18 is a heavy-duty agricultural crawler tractor produced between 1938 and 1949, with the TD-18A series following from 1949 to 1955. Manufactured in Melrose Park, Illinois, USA, this machine was designed for demanding field and industrial operations, with a total production run of 22,016 units.
Engine and Performance
The tractor is powered by an International Harvester 6-cylinder vertical I-head diesel engine with a displacement of 691.1 cubic inches (11.3 L). It operates at a rated speed of 1200 RPM and produces 89 horsepower. The engine utilizes a liquid-cooling system with a coolant capacity of 98.4 liters and incorporates an oil bath air cleaner to maintain performance in dusty environments. A gasoline-start system, powered by a 12-volt starter, is utilized to facilitate cold weather ignition.
Transmission and Drive
The TD-18 features a gear-type transmission providing 6 forward speeds and 2 reverse speeds. Power is transferred through a dry disc clutch. As a crawler tractor, the machine utilizes tracks for traction, allowing it to operate effectively in difficult terrain and handle heavy drawbar loads.
Dimensions and Operator Station
The tractor has a base weight of 21,500 lbs (9,752 kg), providing the necessary ballast for heavy traction tasks. It is equipped with an open operator station, a standard configuration for this era, which provides the operator with unobstructed visibility of the working area and implements.
Conclusion
The International Harvester TD-18 is a robust, high-torque crawler tractor engineered for heavy agricultural and industrial applications. Its combination of a large-displacement diesel engine and a durable track-driven chassis makes it suitable for intensive soil preparation and heavy-duty pulling tasks.
Production Information of International Harvester, TD-18
- Agricultural Crawler tractor
- Built in Melrose Park, Illinois, USA
| Manufacturer | International Harvester |
|---|---|
| Total built | 22,016 |
Engine Specifications of International Harvester, TD-18
- International Harvester
- Liquid-cooled vertical I-head
- Diesel
- 6-cylinder
| Coolant capacity | 104 qts [98.4 L] |
|---|---|
| Displacement | 691.1 ci [11.3 L] |
| Rated RPM | 1200 |
| Bore/Stroke | 4.75x6.50 inches [121 x 165 mm] |
| Starter volts | 12 |
| Starter | Gasoline start |
| Air cleaner | Oil bath |
Transmission Information of International Harvester, TD-18
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 6 forward and 2 reverse |
| Clutch | Dry disc |
Mechanical Specs of International Harvester, TD-18
- Open operator station.
| Drive | Crawler |
|---|
Power Information of International Harvester, TD-18
- Https://www.tractordata.com/farm-tractors/003/3/2/3321-international-harvester-td-18-tests.html
Where it sits
With 89 hp[B] HP, the International Harvester TD-18 sits just below TD-18A (112 HP) in International Harvester's range. Its power puts it in the 95th percentile of 1930s models in our database (235 machines).
Frequently asked questions
How much horsepower does the International Harvester TD-18 have?
The International Harvester TD-18 delivers 89 hp[B] HP.
What years was the International Harvester TD-18 produced?
The International Harvester TD-18 was produced in 1938-1949.
What engine does the International Harvester TD-18 have?
The International Harvester TD-18 is powered by a Diesel, 6-cylinder engine.
What transmission does the International Harvester TD-18 use?
The International Harvester TD-18 uses a Gear transmission.