International Harvester 674

International Harvester 674The 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
ModelInternational Harvester 674
Length3,420 mm (134.6 in)
Height2,310 mm (90.9 in)
Wheel base2,140 mm (84.3 in)
Ground clearance
Weight (operating)2,560 kg (5,644 lbs)
Fuel tank capacity75.7 liters (20 US gal.; 16.7 Imp. gal)
Cabin typeOpen operator station
Engine modelInternational Harvester D239
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement3.9 L, 3,916 cm2, (239.0 cu·in)
Bore and stroke98.0 mm X 129.0 mm (3.86 in X 5.08 in)
Compression ratio16:1
Engine modelInternational Harvester C200
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeGasoline
Displacement3.3 L, 3,282 cm2, (200.3 cu·in)
Bore and stroke97.0 mm X 112.0 mm (3.82 in X 4.41 in)
Compression ratio7.3:1
Transmission and chassis
Chassis4×2 2WD
Steering typeHydrostatic power
BrakesHydraulic wet disc
Transmission model
Transmission typeGear type with dry disc clutch
Gears8 forward and 4 reverse
Speed Forward: 32.3 kmh (20.1 mph) Reverse: 11.0 (6.8 mph)
Front tires Ag: 7.50-16
Rear tires Ag: 16.9-30
Three-Point Hitch
Control type
Lift capacity (at ends)1,800 kg (3,970 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO speed540 rpm
Hydraulic system
Hydraulic type
Pump flow13.0 gpm (49.2 lpm)
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