Engine Horsepower: 34 hp
Manufactured: 1940 to 1969
International Harvester TD-6 Summary
The International Harvester TD-6 is an agricultural crawler tractor produced from 1940 to 1969 by International Harvester in Melrose Park, Illinois, USA, with a total production of 38,450 units. It came with variants including the gasoline-engine T-6 and the diesel-engine TD-6. It features an International Harvester 4.1L 4-cylinder diesel engine and a 5-speed gear transmission, delivering a claimed 22 hp at the drawbar and 31 hp at the belt. Tested power outputs are 31.75 hp (drawbar) and 38.20 hp (belt). The TD-6 has a weight range of 7280 to 7800 pounds and 12-inch tracks.

International Harvester TD-6 Horsepower, Weight, and Specifications:
Production
Who manufactured the TD-6 and where was it built?
- Manufacturer: International Harvester
- Type: Agricultural Crawler tractor
- Location: Melrose Park, Illinois, USA
- Total built: 38,450 units
Variants
What are the engine variants available for the TD-6?
- T-6: gasoline engine
- TD-6: diesel engine
Engine
What are the engine specifications of the TD-6?
- Engine Type: International Harvester 4.1L 4-cyl diesel
- Fuel Tank Capacity: 20 gal (75.7 L)
- Auxiliary Fuel: 0.66 gal (2.5 L)
Transmission
What type of transmission does the TD-6 have?
- Type: 5-speed gear
Horsepower
What is the horsepower of the TD-6?
- Drawbar (claimed): 22 hp (16.4 kW)
- Belt (claimed): 31 hp (23.1 kW)
- Plows: 4
- Drawbar (tested): 31.75 hp (23.7 kW)
- Belt (tested): 38.20 hp (28.5 kW)
Mechanical
What are the mechanical features of the TD-6?
- Drive: crawler
- Operator station: Open
Dimensions & Tracks
What are the dimensions and track specifications of the TD-6?
- Weight: 7280 to 7800 pounds
- Track width: 12 inches