International Harvester TD-9

The International Harvester TD-9 is a tractor produced by International Harvester. It is equipped with a 334.5 ci 5.5 L engine. The rated power output is 49.5 hp (early) 36.9 kW. Transmission: 5 forward and 1 reverse. Drive type: crawler. Operating weight: 9805 to 10800 pounds.

Overview

	1939 - 1962 Model year 1939-19551956-19591960-1962 Agricultural Crawler tractor
1939 - 1962
Model year 1939-19551956-19591960-1962
Agricultural Crawler tractor

Production
Manufacturer	International Harvester
Agricultural Crawler tractor
Built in Melrose Park, Illinois, USA
Total built	59,800

Variants
T-9	gasoline
TD-9	diesel

International Harvester TD-9 Engine
International Harvester 5.5L 4-cyl diesel
Fuel tank	31 gal 117.3 L
Aux. fuel	0.7 gal 2.6 L
Engine details ...

International Harvester TD-9 Transmission
5-speed gear
Transmission details ...

International Harvester TD-9 Power
Engine	49.5 hp 36.9 kW
Drawbar (claimed)	39 hp (early) 29.1 kW
	40.5 hp (late) 30.2 kW
Drawbar (tested)	39.50 hp 29.5 kW
Belt (tested)	46.69 hp 34.8 kW
Performance test details ...

Mechanical
Drive	crawler
Contracting band brakes
Open operator station.

Power Take-off (PTO)
Rear PTO Type	540 (1.375)

Dimensions & Tracks
Weight	9805 to 10800 pounds
13-inch tracks
Full dimensions and tracks ...

References
Crawler Tractors for Agriculture - Confidential Sales Manual published in 1951, by International Harvester
TD-9 Diesel published in 1948, by International Harvester
TD-9 Diesel Crawler published in 1951, by International Harvester
TD-9 Diesel Crawler Tractor published in 1951, by International Harvester
General Line Catalog published in 1949, by International Harvester

Engine

Engine Detail — 334.5 ci / 5.5 L Diesel

Manufacturer	International Harvester
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled vertical I-head
Displacement	334.5 ci 5.5 L
Bore/Stroke	4.40x5.50 inches 112 x 140 mm
Power	49.5 hp (early) 36.9 kW
	51.5 hp (late) 38.4 kW
Air cleaner	oil bath
Compression	15.7:1
Rated RPM	1400
Idle RPM	500-1555
Operating RPM	900-1400
Firing order	1-3-4-2
Starter volts	12
Oil capacity	11 qts 10.4 L
Coolant capacity	52 qts 49.2 L

International Harvester TD-9 Engine

Transmission

Transmission — 5 forward and 1 reverse gear

Type	gear
Gears	5 forward and 1 reverse
Clutch	dry disc
Oil capacity	22 qts 20.8 L

Dimensions

International Harvester TD-9 Tracks
Width	13 inches 33 cm
Length on ground	63.4 inches 161 cm
Area on ground	1649 in² 1.1 m²
Width	16 inches 40 cm
Length on ground	63.4 inches 161 cm
Area on ground	2030 in² 1.3 m²

Dimensions
Length	114 inches 289 cm
Width	59 inches 149 cm
Height (exhaust)	79 inches 200 cm
Gauge	44 inches 111 cm
Gauge	60 inches 152 cm

International Harvester TD-9 Weight
Shipping	9805 lbs (narrow gauge) 4447 kg
	10180 lbs (wide gauge) 4617 kg
Operating	10800 lbs 4898 kg

Tests

Tractor Tests
NTTL 344: diesel 5-speed crawler
NTTL 461: diesel 5-speed crawler

Nebraska Tractor Test 344
Diesel 5-speed crawler June 10 - 12, 1940 Link: Nebraska Tractor Test 344 file
Belt power (max)	43.93 hp 32.8 kW
Belt fuel use (max)	3.0 gal/hour 11.4 l/hour
Drawbar performance
Max power	37.21 hp 27.7 kW
Gear 2 used for power test.
Max pull	9014 lbs 4088 kg
Gear 1 used for pull test.

Nebraska Tractor Test 461
Diesel 5-speed crawler June 25 - July 10, 1951 Link: Nebraska Tractor Test 461 file
Belt power (max)	46.69 hp 34.8 kW
Belt fuel use (max)	3.3 gal/hour 12.5 l/hour
Drawbar performance
Max power	39.50 hp 29.5 kW
Gear 2 used for power test.
Max pull	9909 lbs 4494 kg
Gear 1 used for pull test.

Photos

International Harvester TD-9