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Years in Production / 1973–1977
International Harvester
674
Explore the specifications, hardware, and original references for the International Harvester 674.

65hp
Engine estimate · from PTO
2WD Only
Drive
1973–1977
Production years
International Harvester
Manufacturer
674 / 01
At a glance
Overview
1973 - 1977
Utility tractor
Production
Utility tractor
Original price was $11,300 in 1978
- Manufacturer
- International Harvester
- Factories
- Doncaster, England
- Factories
- Louisville, Kentucky, USA
Mechanical
Two-wheel drive
Power steering
Hydraulic wet disc brakes
Open operator station. Four-post ROPS and cab available.
Hydraulics
- Type
- open center
- Pump Flow
- 13 gpm49.2 lpm
Hitch
- Rear Type
- II
- Control
- position and draft control
- Rear Lift
- 3969 lbs1800 kg
Pto
- Rear Pto
- independent
- Rear Type
- 540 (1.375)
Serial Numbers
FAQ: How to read a serial number table.
- 1973
- 100001
- 1974
- 101862
- 1975
- 103172
- 1976
- 105946
- 1977
- 107555
Electrical
- Ground
- negative
- Battery Volts
- 12
674 / 02
Under the hood
Engine Detail (Option 1)
International Harvester D239
diesel
4-cylinder
liquid-cooled
- Displacement
- 239 ci3.9 L
- Bore Stroke
- 3.875x5.06 inches98 x 129 mm
- Air Cleaner
- dual stage dry
- Compression Ratio
- 16:1
- Rated Rpm
- 2400
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Detail (Option 2)
International Harvester C200
gasoline
4-cylinder
liquid-cooled
- Displacement
- 200.3 ci3.3 L
- Bore Stroke
- 3.8125x4.39 inches97 x 112 mm
- Air Cleaner
- dual stage dry
- Compression Ratio
- 7.33:1
- Rated Rpm
- 2400
- Starter Volts
- 12
- Fuel Type
- gasoline
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
International Harvester 3.9L 4-cyl diesel
International Harvester 3.3L 4-cyl gasoline
- Fuel Tank
- 20 gal75.7 L
Engine Options
International Harvester 3.9L 4-cyl diesel
International Harvester 3.3L 4-cyl gasoline
674 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 8 forward and 4 reverse
- Clutch
- dry disc
International Harvester674 Transmission
8-speed gear
674 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 131 in332 cm
- Width
- 70 in177 cm
- Height
- 62 in157 cm
- Height (cab)
- 93 in236 cm
- Wheelbase
- 84.5 in214 cm
- Front tread
- 54 in137 cm
- Rear tread
- 56 in142 cm
Dimensions And Tires
- Wheelbase
- 84.5 inches214 cm
- Weight
- 5,650 lbs2562 kg
- Front Tire
- 7.50-16
- Rear Tire
- 16.9-30
Serial Number Location
Serial number plate on the left side of the transmission housing.
Tires And Tracks
- Front Ag
- 7.50-16
- Rear Ag
- 16.9-30
See it in action
Videos
Watch International Harvester 674 videos from their original YouTube creators.
674 / 06
Tests (NTTL)
Tractor Tests
NTTL 1128: gasoline 8-speed 2WD
NTTL 1129: diesel 8-speed 2WD
Nebraska Tractor Test 1128
Gasoline 8-speed 2WDApril 26 - May 17, 1973
PTO performance
Drawbar performance
Gear 3L used for power test.
Gear 2L used for pull test.
- Id
- 1128
- Power At Rated Engine Speed
- 58.53 hp43.6 kW
- Fuel Use
- 5.7 gal/hour21.6 l/hour
- Fuel Use
- 5.2 gal/hour19.7 l/hour
- Fuel Use
- 5.5 gal/hour20.8 l/hour
- Power At Rated Pto Speed
- 56.01 hp41.8 kW
- Max Power
- 51.97 hp38.8 kW
- Max Pull
- 6,583 lbs2986 kg
Nebraska Tractor Test 1129
Diesel 8-speed 2WDApril 28 - May 17, 1973
PTO performance
Drawbar performance
Gear 3L used for power test.
Gear 2L used for pull test.
- Id
- 1129
- Power At Rated Engine Speed
- 61.56 hp45.9 kW
- Fuel Use
- 4.1 gal/hour15.5 l/hour
- Fuel Use
- 3.9 gal/hour14.8 l/hour
- Fuel Use
- 4.0 gal/hour15.1 l/hour
- Power At Rated Pto Speed
- 58.79 hp43.8 kW
- Max Power
- 54.45 hp40.6 kW
- Max Pull
- 6,833 lbs3099 kg