International Harvester industrial tractors

International Harvester 3434

The International Harvester 3434 is an industrial tractor produced from 1966 to 1975 by International Harvester in Bradford, England. It features a 2.5L 4-cylinder diesel engine producing 43 hp (32.1 kW). The tractor offers 8-speed shuttle and 8-speed gear transmission options, two-wheel drive, and an open operator station with optional four-post ROPS and cab. It supports front-end loader and backhoe attachments, including the International B-1 and 43-2 Side-Shift Backhoes. The 3434 has a wheelbase of 74 inches (187 cm), length of 196.1 inches (498 cm), and weighs between 6190 lbs (2807 kg) and 9399 lbs (4263 kg) depending on configuration.

Power-

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Model3434

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Technical Specifications

Detailed specifications and technical data for International Harvester 3434

Power

Engine power	43 hp (32.1 kW)

Engine

Type	diesel
Model	International Harvester BD-154A
Power	43 hp (32.1 kW)
Torque	120 lb-ft (162.7 Nm)
Cooling	liquid-cooled
Cylinders	4-cylinder
Rated RPM	2000
Torque RPM	1300
Bore/Stroke	3.50x4.00 inches (89 x 102 mm)
Fuel system	indirect injection
Pre-heating	glow plugs
Displacement	154 ci (2.5 L)
Starter volts	12

Dimensions

Length	196.1 inches (498 cm)
Weight	6190 lbs (2807 kg) (loader tractor), 9399 lbs (4263 kg) (backhoe tractor)
Wheelbase	74 inches (187 cm)

Hydraulics

Type	open center
Pump flow	19.3 gpm (backhoe) (73.1 lpm)

Mechanical

Drive	Two-wheel drive
Operator station	Open operator station. Four-post ROPS and cab available.

Production

Type	Industrial tractor
Built in	Bradford, England
Manufacturer	International Harvester
Years produced	1966 - 1975

Attachments

Loader	Bucket widths48 inches (121 cm), 60 inches (152 cm), 72 inches (182 cm) Height (at pin)118 inches (299 cm)
Overview	Front-end loader, Backhoe
International B-1 Backhoe	Weight2660 lbs (1206 kg) Swing Arc190° Backhoe typeInternational B-1 Backhoe Digging depth172 inches (436 cm) Loading height120 inches (304 cm) Reach from pivot201 inches (510 cm) Transport height130 inches (330 cm)
International 43-2 Side-Shift Backhoe	Weight3209 lbs (1455 kg) Swing Arc180° Backhoe typeInternational 43-2 Side-Shift Backhoe Bucket force6675 lbs (3027 kg) Bucket width24 inches (60 cm) Digging depth135 inches (342 cm) Loading height127 inches (322 cm) Reach from pivot176 inches (447 cm)