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International Harvester TD-9

International Harvester TD-9 tractor
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The International Harvester TD-9 is an agricultural crawler tractor produced from 1939 to 1962 by International Harvester in Melrose Park, Illinois, USA. It features a 5.5L 4-cylinder diesel engine producing up to 51.5 hp, a 5-speed gear transmission, and crawler drive. The tractor was built in large numbers with 59,800 units produced. It has an open operator station, contracting band brakes, and a rear PTO type of 540 (1.375). The TD-9 is known for its robust construction and versatility in agricultural applications.
International HarvesterTD-9crawler tractoragricultural tractordiesel enginetractor specifications5.5L engine49.5 hp5-speed transmission
Power51 hp
Founded1939 - 1962
ModelTD-9

Technical Specifications

Detailed specifications and technical data for International Harvester TD-9

Power

Engine:49.5 hp (36.9 kW)
Belt (tested):46.69 hp (34.8 kW)
Drawbar (tested):39.50 hp (29.5 kW)
Drawbar (claimed):39 hp (early), 40.5 hp (late)

Engine

Type:International Harvester 5.5L 4-cyl diesel
Power:49.5 hp (early), 51.5 hp (late)
Idle RPM:500-1555
Aux. fuel:0.7 gal (2.6 L)
Fuel tank:31 gal (117.3 L)
Rated RPM:1400
Air cleaner:oil bath
Bore/Stroke:4.40x5.50 inches (112 x 140 mm)
Compression:15.7:1
Displacement:334.5 ci (5.5 L)
Firing order:1-3-4-2
Oil capacity:11 qts (10.4 L)
Operating RPM:900-1400
Starter volts:12
Coolant capacity:52 qts (49.2 L)

Variants

T-9:gasoline
TD-9:diesel

Mechanical

Drive:crawler
Brakes:Contracting band brakes
Operator station:Open operator station

Production

Type:Agricultural Crawler tractor
Built in:Melrose Park, Illinois, USA
Years made:1939 - 1962
Total built:59,800
Manufacturer:International Harvester

Transmission

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

Dimensions & Tracks

Width:59 inches (149 cm)
Length:114 inches (289 cm)
Weight:9805 to 10800 pounds
Gauge wide:60 inches (152 cm)
Track width:13 inches (33 cm)
Gauge narrow:44 inches (111 cm)
Height (exhaust):79 inches (200 cm)
Operating weight:10800 lbs (4898 kg)
Track area on ground:1649 in² (1.1 m²)
Alternate track width:16 inches (40 cm)
Track length on ground:63.4 inches (161 cm)
Shipping weight wide gauge:10180 lbs (4617 kg)
Shipping weight narrow gauge:9805 lbs (4447 kg)
Alternate track area on ground:2030 in² (1.3 m²)
Alternate track length on ground:63.4 inches (161 cm)

Power Take-off (PTO)

Rear PTO Type:540 (1.375)

Related Models

International Harvester T-9

Model:T-9