Search
Find your tractor.
Menu ☰
Years in Production / 1977–1984
International Harvester
684
Explore the specifications, hardware, and original references for the International Harvester 684.
69hp
Source index power
MFWD Optional
Drive
1977–1984
Production years
International Harvester
Manufacturer
684 / 01
At a glance
Overview
1977 - 1984
84 Series
Utility tractor
Production
Utility tractor
Built in Doncaster, England
Original price was $21,100 in 1984
- Manufacturer
- International Harvester
Mechanical
Two- or four-wheel drive
Power steering
Independent hydraulic wet disc brakes
ROPS canopy or cab optional
Capacity
- Fuel
- 20 gal75.7 L
- Hydraulic System
- 9 gal34.1 L
Hydraulics
- Type
- open center
- Capacity
- 9 gal34.1 L
- Valves
- 1 or 2
- Pump Flow
- 13 gpm49.2 lpm
- Pump Flow
- 15.4 gpm (optional)58.3 lpm
Hitch
- Rear Type
- II
- Control
- position and draft control
- Rear Lift
- 3600 lbs1632 kg
Pto
- Rear Pto
- independent
- Clutch
- hydraulic wet disc
- Rear Type
- 540
Serial Numbers
FAQ: How to read a serial number table.
- 1978
- 501
- 1979
- 1687
- 1980
- 3533
- 1981
- 6037
- 1982
- 8001
- 1983
- 8512
- 1984
- 9352
Electrical
- Ground
- negative
- Charging Amps
- 45
- Battery Volts
- 12
684 / 02
Under the hood
Engine Detail
International Harvester D-239
diesel
4-cylinder
liquid-cooled
- Displacement
- 239 ci3.9 L
- Bore Stroke
- 3.875x5.06 inches98 x 129 mm
- Power
- 69 hp51.5 kW
- Air Cleaner
- dry
- Rated Rpm
- 2400
- Starter Volts
- 12
- Oil Capacity
- 8.8 qts8.3 L
- Coolant Capacity
- 14.4 qts13.6 L
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
International Harvester 3.9L 4-cyl diesel
684 / 03
Gears & controls
Transmission (Option 1)
Four synchronized gears in high, low, and reverse ranges.
- Transmission Type
- syncromesh
- Gears
- 8 forward and 4 reverse
- Clutch
- dry disc
- Oil Capacity
- 36 qts34.1 L
- Speeds Description
- With 16.9-30 rear tires.
Transmission (Option 2)
The optional Torque Amplifier (TA) provides a clutchless on-the-move shift from direct drive (DD) to a lower TA speed.
- Transmission
- Torque Amplifier
- Transmission Type
- two-speed power shift
- Gears
- 16 forward and 8 reverse
- Oil Capacity
- 36 qts34.1 L
- Speeds Description
- With 16.9-30 rear tires.
Transmission Options
8-speed syncromesh
16-speed two-speed power shift
684 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 142 in360 cm
- Width
- 78.5 in199 cm
- Height
- 56.5 in143 cm
- Height (ROPS)
- 100 in254 cm
- Wheelbase
- 83.75 in212 cm
- Ground clearance
- 10.7 in27 cm
Dimensions And Tires
- Utility Wheelbase
- 88 inches223 cm
- Row Crop Wheelbase
- 84.5 inches214 cm
- 4wd Wheelbase
- 85.2 inches216 cm
- Low Profile Wheelbase
- 83.75 inches212 cm
- Weight
- 5620 to 6765 pounds
- Front Tire
- 7.50-16
- Rear Tire
- 16.9-30
Serial Number Location
Serial number plate on the the front axle support on right side of tractor.
Tires And Tracks
- Front Ag
- 7.50-16
- Rear Ag
- 16.9-30
684 / 05
Tractor Photos
See it in action
Videos
Watch International Harvester 684 videos from their original YouTube creators.
684 / 07
Tests (NTTL)
Nebraska Tractor Test 1314
Diesel 8-speed 2WDMay 24 - June 4, 1979
PTO performance
Drawbar performance
Gear 1H used for power test.
Gear 2L used for pull test.
- Id
- 1314
- Power At Rated Engine Speed
- 62.52 hp46.6 kW
- Fuel Use
- 4.2 gal/hour15.9 l/hour
- Fuel Use
- 3.8 gal/hour14.4 l/hour
- Fuel Use
- 4.1 gal/hour15.5 l/hour
- Power At Rated Pto Speed
- 58.75 hp43.8 kW
- Max Power
- 54.56 hp40.7 kW
- Max Pull
- 6858 lbs3110 kg