International Harvester

International Harvester TD-6

The International Harvester TD-6 is an agricultural crawler tractor produced from 1940 to 1969. It was built in Melrose Park, Illinois, USA, with a total production of 38,450 units. The TD-6 variant features a 4.1L 4-cylinder diesel engine, a 5-speed gear transmission, and a crawler drive with bull gear final drives. It has an open operator station and a rear PTO type of 540 (1.375). The tractor weighs between 7280 to 7800 pounds and runs on 10-inch tracks. It delivers a claimed drawbar power of 22 hp and belt power of 31 hp, with tested drawbar and belt powers of 31.75 hp and 38.20 hp respectively. The TD-6 is capable of pulling 4 plows and features a belt pulley diameter of 12.25 inches running at 811 RPM. Serial numbers are located on the dashboard plate.

Power34 hp[B]

Founded1940 - 1969

ModelTD-6

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Technical Specifications

Detailed specifications and technical data for International Harvester TD-6

Power

Plows	4
Belt (tested)	38.20 hp (28.5 kW)
Belt (claimed)	31 hp (23.1 kW)
Drawbar (tested)	31.75 hp (23.7 kW)
Drawbar (claimed)	22 hp (16.4 kW)

Engine

Make	International Harvester
Type	diesel
Cooling	liquid-cooled inline
Starter	gasoline ignition
Aux. fuel	0.66 gal (2.5 L)
Cylinders	4-cylinder
Fuel tank	20 gal (75.7 L)
Rated RPM	1450
Air cleaner	oil bath
Bore/Stroke	3.875x5.25 inches (98 x 133 mm)
Displacement	247.7 ci (4.1 L)
Firing order	1-3-4-2
Oil capacity	9 qts (8.5 L)
Starter volts	12
Coolant capacity	42 qts (39.7 L)

Variants

T-6	gasoline engine
TD-6	diesel engine

Mechanical

Drive	crawler
Final drives	bull gear
Operator station	Open operator station

Production

Type	Agricultural Crawler tractor
Built in	Melrose Park, Illinois, USA
Total built	38,450
Manufacturer	International Harvester

Belt Pulley

RPM	811
Width	8 inches (20 cm)
Diameter	12.25 inches (31 cm)

Transmission

Type	gear
Gears	5 forward and 1 reverse
Description	5-speed gear

Serial Numbers

1940	TDBK501
1941	TDBK4435
1942	TDBK8191
1943	TDBK9297
1944	TDBK9581
1945	TDBK10828
1946	TDBK12056
1947	TDBK14516
1948	TDBK17349
1949	TDBK21146
1950	TDBK24862
1951	TDBK27536
1952	TDBK31056
1953	TDBK33157
1954	TDBK35746
1955	TDBK37470
1956	TDBK38706

Dimensions & Tracks

Width	63 inches (160 cm)
Height	72.5 inches (184 cm)
Length	104 inches (264 cm)
Weight	7280 to 7800 pounds
Gauge 1	40 inches (101 cm)
Gauge 2	50 inches (127 cm)
Track width	10 inches (25 cm)
Weight (max)	7800 lbs (3538 kg)
Weight (shipping)	7280 lbs (narrow gauge) (3302 kg)
Weight (wide gauge)	7480 lbs (wide gauge) (3392 kg)
Track area on ground	1175 in² (0.8 m²)
Width (narrow gauge)	53 inches (134 cm)
Track length on ground	58.75 inches (149 cm)