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International Harvester 734

International Harvester 734 tractor
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The International Harvester 734 is a row-crop tractor produced from 1972 to 1974. It features a 3.9L 4-cylinder diesel engine with 73 hp gross power and 66.1 hp net power. The tractor offers 8-speed and 12-speed transmission options with dry disc clutches. It is available in two- or four-wheel drive configurations with planetary final drives and mechanical rear differential lock. The 734 has a rear Type II hitch and an independent rear PTO with 540/1000 rpm options. Dimensions include a wheelbase of 83.5 inches and weights ranging from 7477 to 8245 pounds depending on configuration. Standard tires vary between 2WD and 4WD models. The cab is standard with an optional heater, and the tractor includes disc brakes and manual or power steering.
International Harvester 734IH 734tractor specsrow-crop tractor3.9L diesel engine8-speed transmission12-speed transmissiontractor dimensionsPTOtractor hitch
Power73 hp
Founded1972 - 1974
Model734

Technical Specifications

Detailed specifications and technical data for International Harvester 734

Power

Engine (net):66.1 hp / 49.3 kW
PTO (claimed):61.7 hp / 46.0 kW
Engine (gross):73 hp / 54.4 kW

Engine

Type:diesel
Model:International Harvester D-239
Torque:185.2 lb-ft / 251.1 Nm
Cooling:liquid-cooled
Starter:electric
Cylinders:4-cylinder
Fuel tank:18.5 gal / 70.0 L
Rated RPM:2200
Torque RPM:1200
Bore/Stroke:3.87x5.06 inches / 98 x 129 mm
Fuel system:direct injection
Power (net):66.1 hp / 49.3 kW
Displacement:238.7 ci / 3.9 L
Oil capacity:9.5 qts / 9.0 L
Power (gross):73 hp / 54.4 kW
Starter volts:12
Coolant capacity:20.6 qts / 19.5 L
Compression ratio:16:1

Overview

Category:Row-Crop tractor
Production years:1972 - 1974

Mechanical

Cab:standard with optional heater
Drive:Two- or four-wheel drive
Brakes:Disc brakes
Steering:manual, power
Final drives:planetary
Differential lock:mechanical rear

Transmission

8-speed

Gears:8 forward and 4 reverse
Clutch:280mm dry disc
Options:8-speed, 12-speed

12-speed

Gears:12 forward and 4 reverse
Clutch:280mm dry disc

Tractor hitch

Rear Type:II

Dimensions & Tires

Width:74.4 inches / 188 cm
Wheelbase:83.5 inches / 212 cm
2WD Length:131.5 inches / 334 cm
2WD Weight:7477 lbs / 3391 kg
4WD Length:136.6 inches / 346 cm
4WD Weight:8245 lbs / 3739 kg
Rear tread:57.5 to 77.2 inches / 146 to 196 cm
2WD Front tread:51.6 to 70.1 inches / 131 to 178 cm
4WD Front tread:59.1 inches / 150 cm
2WD Standard tires (ag):Front: 7.50x16. Rear: 16.9/14x34
4WD Standard tires (ag):Front: 11.2/10x24. Rear: 16.9/14x34
Height (steering wheel):65 inches / 165 cm

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540/1000