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International Harvester TD-6

International Harvester TD-6 tractor
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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.
International HarvesterTD-6crawler tractordiesel engine4-cylinder5-speed transmissionagricultural tractortractor specifications
Power34 hp[B]
Founded1940 - 1969
ModelTD-6

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)

Power Take-off (PTO)

Rear PTO Type:540 (1.375)

Serial Number Location

Location:Serial number plate on dashboard