International Harvester TD-6

The International Harvester TD-6 is a tractor produced by International Harvester. It is equipped with a 247.7 ci 4.1 L engine. Transmission: 5 forward and 1 reverse. Drive type: crawler. Operating weight: 7280 to 7800 pounds.

Overview

	1940 - 1969 Model year 1940-19561956-19601959-1969 Agricultural Crawler tractor

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

Variants
T-6	gasoline engine
TD-6	diesel engine

International Harvester TD-6 Engine
International Harvester 4.1L 4-cyl diesel
Fuel tank	20 gal 75.7 L
Aux. fuel	0.66 gal 2.5 L
Engine details ...

International Harvester TD-6 Transmission
5-speed gear
Transmission details ...

International Harvester TD-6 Power
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
Performance test details ...

Mechanical
Drive	crawler
Open operator station.

Dimensions & Tracks
Weight	7280 to 7800 pounds
12-inch tracks
Full dimensions and tracks ...

References
Crawler Tractors for Agriculture - Confidential Sales Manual published in 1951, by International Harvester
TD-6 Diesel TracTracTors published by International Harvester
General Line Catalog published in 1949, by International Harvester

Engine

Engine Detail — 247.7 ci / 4.1 L Diesel

Manufacturer	International Harvester
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled inline
Gasoline-start diesel engine.
Displacement	247.7 ci 4.1 L
Bore/Stroke	3.875x5.25 inches 98 x 133 mm
Rated RPM	1450
Firing order	1-3-4-2
Starter volts	12
Oil capacity	9 qts 8.5 L
Coolant capacity	42 qts 39.7 L

International Harvester TD-6 Engine

Transmission

Transmission — 5 forward and 1 reverse gear

Type	gear
Gears	5 forward and 1 reverse

Dimensions

International Harvester TD-6 Tracks
Width	12 inches 30 cm

Dimensions
Length	104 inches 264 cm
Width	63 inches 160 cm
	53 inches (narrow gauge) 134 cm
Height	72.5 inches 184 cm

International Harvester TD-6 Weight
	7,800 lbs 3538 kg
Shipping	7,280 lbs (narrow gauge) 3302 kg
	7,480 lbs (wide gauge) 3392 kg

Tests

Tractor Tests
NTTL 345: diesel 5-speed crawler
NTTL 462: diesel 5-speed crawler

Nebraska Tractor Test 345
Diesel 5-speed crawler May 6 - June 1, 1940 Link: Nebraska Tractor Test 345 file
Belt power (max)	34.55 hp 25.8 kW
Belt fuel use (max)	2.4 gal/hour 9.1 l/hour
Drawbar performance
Max power	28.14 hp 21.0 kW
Gear 2 used for power test.
Max pull	7,160 lbs 3247 kg
Gear 1 used for pull test.

Nebraska Tractor Test 462
Diesel 5-speed crawler June 25 - July 10, 1951 Link: Nebraska Tractor Test 462 file
Belt power (max)	38.20 hp 28.5 kW
Belt fuel use (max)	2.7 gal/hour 10.2 l/hour
Drawbar performance
Max power	31.75 hp 23.7 kW
Gear 2 used for power test.
Max pull	8,131 lbs 3688 kg
Gear 1 used for pull test.

Photos

International TD-6, left-front.

International TD-6, left-front.

International TD-6 operator station and controls.

International TD-6 with dozer blade.