Introduction
International Harvester TD-6 Crawler Tractor
The International Harvester TD-6 is an agricultural crawler tractor produced between 1940 and 1969. Manufactured in Melrose Park, Illinois, USA, this model served as a staple of mid-century agricultural and industrial operations, with a total production run of 38,450 units.
Engine and Performance
The TD-6 is powered by a liquid-cooled, inline 4-cylinder diesel engine with a displacement of 247.7 cubic inches (4.1 liters). The engine operates at a rated speed of 1450 RPM, delivering 34 horsepower. It features a bore and stroke of 3.875 by 5.25 inches and utilizes an oil bath air cleaner to maintain engine longevity in dusty field conditions.
Transmission and Drivetrain
The tractor is equipped with a gear-type transmission offering 5 forward speeds and 1 reverse gear. Power is delivered to the ground via a crawler track system utilizing 10-inch tracks. The final drive system employs a bull gear configuration, which is designed to handle high-torque applications common in heavy-duty traction work.
Operational Features
The operator station is an open-platform design providing clear visibility. The machine is equipped with a rear power take-off (PTO) operating at 540 RPM. With a total weight ranging between 7,280 and 7,800 pounds, the tractor provides the necessary stability for field operations. The electrical system is powered by a 12-volt starter.
Conclusion
The International Harvester TD-6 is a robust crawler tractor suited for agricultural tasks requiring high traction and steady pulling power. Its reliable diesel mechanical architecture and simple gear-driven drivetrain made it a versatile tool for farmers and industrial operators throughout its three-decade production lifespan.
Production Information of International Harvester, TD-6
- Agricultural Crawler tractor
- Built in Melrose Park, Illinois, USA
| Manufacturer | International Harvester |
|---|---|
| Total built | 38,450 |
Engine Specifications of International Harvester, TD-6
- Liquid-cooled inline
- Diesel
- 4-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 247.7 ci [4.1 L] |
| Rated RPM | 1450 |
| Bore/Stroke | 3.875x5.25 inches [98 x 133 mm] |
| Coolant capacity | 42 qts [39.7 L] |
| Oil capacity | 9 qts [8.5 L] |
| Starter | Gasoline ignition |
| Firing order | 1-3-4-2 |
| Air cleaner | Oil bath |
Transmission Information of International Harvester, TD-6
Transmission variants 1
| Type | Gear |
|---|---|
| Gears | 5 forward and 1 reverse |
Mechanical Specs of International Harvester, TD-6
- Open operator station.
| Drive | Crawler |
|---|---|
| Final drives | Bull gear |
Power Information of International Harvester, TD-6
| Rear PTO Type | 540 (1.375) |
|---|
Where it sits
With 34 hp[B] HP, the International Harvester TD-6 sits between Mogul 15-30 (33 HP) and 354 (35 HP) in International Harvester's range. Its power puts it in the 52th percentile of 1940s models in our database (263 machines).
Frequently asked questions
How much horsepower does the International Harvester TD-6 have?
The International Harvester TD-6 delivers 34 hp[B] HP.
What years was the International Harvester TD-6 produced?
The International Harvester TD-6 was produced in 1940-1969.
What engine does the International Harvester TD-6 have?
The International Harvester TD-6 is powered by a Diesel, 4-cylinder engine.
What transmission does the International Harvester TD-6 use?
The International Harvester TD-6 uses a Gear transmission.