International Harvester 674 utility tractor: review and specs

The International Harvester 674 is a 2WD utility tractor manufactured by International Harvester in Doncaster, England from 1973 to 1977.

The International Harvester 674 is equipped with one of two engines: a 3.9 L (239.0 cu·in) four-cylinder diesel engine or a 3.3 L (200.3 cu·in) four-cylinder gasoline engine and a gear-type transmission with 8 forward and 4 reverse gears and dry disc clutch.

The tractor could be equipped with the following engines:

International Harvester D239. It is a 3.9 L, 3,916 cm², (239.0 cu·in) four-cylinder natural aspirated diesel engine with 98.0 mm (3.86 in) of the cylinder bore and 129.0 mm (5.08 in) of the piston stroke. The compression ratio rating is 16:1.
International Harvester C200. It is a 3.3 L, 3,282 cm², (200.3 cu·in) four-cylinder natural aspirated gasoline engine. The cylinder bore is 97.0 mm (3.82 in) and the piston stroke is 112.0 mm (4.41 in). The compression ratio rating is 7.3:1.

The IH 674 is equipped with hydrostatic power steering, hydraulic wet disc brakes, open operator station, and 75.7 liters (20 US gal.; 16.7 Imp. gal) fuel tank.

International Harvester 674 Specifications

General Specifications
Model	International Harvester 674
Length	3,420 mm (134.6 in)
Width	–
Height	2,310 mm (90.9 in)
Wheel base	2,140 mm (84.3 in)
Ground clearance	–
Weight (operating)	2,560 kg (5,644 lbs)
Fuel tank capacity	75.7 liters (20 US gal.; 16.7 Imp. gal)
Battery	12V
Cabin type	Open operator station
Engine
Engine model	International Harvester D239
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	4
Fuel type	Diesel
Displacement	3.9 L, 3,916 cm², (239.0 cu·in)
Bore and stroke	98.0 mm X 129.0 mm (3.86 in X 5.08 in)
Compression ratio	16:1
Horsepower	–
Starter	Electric
Engine
Engine model	International Harvester C200
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	4
Fuel type	Gasoline
Displacement	3.3 L, 3,282 cm², (200.3 cu·in)
Bore and stroke	97.0 mm X 112.0 mm (3.82 in X 4.41 in)
Compression ratio	7.3:1
Horsepower	–
Starter	Electric

Transmission and chassis
Chassis	4×2 2WD
Steering type	Hydrostatic power
Brakes	Hydraulic wet disc
Transmission model	–
Transmission type	Gear type with dry disc clutch
Gears	8 forward and 4 reverse
Speed	Forward: 32.3 kmh (20.1 mph) Reverse: 11.0 (6.8 mph)
Tires
Front tires	Ag: 7.50-16
Rear tires	Ag: 16.9-30

Three-Point Hitch
Category	II
Control type	–
Lift capacity (at ends)	1,800 kg (3,970 lbs)
PTO (Power take-off shaft)
Rear PTO type	Independent
Rear PTO speed	540 rpm
Hydraulic system
Hydraulic type	–
Pump flow	13.0 gpm (49.2 lpm)

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