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International Harvester 684

International Harvester 684 tractor
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The International Harvester 684 is a utility tractor produced from 1977 to 1984 as part of the 84 Series. Built in Doncaster, England, it features a 3.9L 4-cylinder diesel engine producing 69 hp. It offers two transmission options: an 8-speed syncromesh and a 16-speed two-speed power shift with optional Torque Amplifier. The tractor supports two- or four-wheel drive, power steering, and optional ROPS canopy or cab. It has a fuel capacity of 20 gallons and a hydraulic system capacity of 9 gallons. The 684 is equipped with a rear Type II hitch with position and draft control and a rear lift capacity of 3600 lbs. The rear PTO is independent with a hydraulic wet disc clutch and operates at 540 rpm. Dimensions vary by configuration, with wheelbases ranging from 83.75 to 88 inches and weights from 5620 to 6765 pounds. The tractor is known for its versatility and reliability in utility farming tasks.
International Harvester 684IH 684utility tractor84 Seriestractor specificationsdiesel enginepower take-offtransmissiondimensionshydraulics
Power69 hp
Founded1977 - 1984
Model684

Technical Specifications

Detailed specifications and technical data for International Harvester 684

Power

Plows:4
Engine:69 hp (51.5 kW)
PTO (tested):62.52 hp (46.6 kW)
PTO (claimed):62.5 hp (46.6 kW)
Drawbar (tested):54.56 hp (40.7 kW)
Drawbar (claimed):55.9 hp (41.7 kW)

Engine

Type:diesel
Model:International Harvester D-239
Power:69 hp (51.5 kW)
Cooling:liquid-cooled
Cylinders:4-cylinder
Rated RPM:2400
Air cleaner:dry
Bore/Stroke:3.875x5.06 inches (98 x 129 mm)
Displacement:239 ci (3.9 L)
Oil capacity:8.8 qts (8.3 L)
Starter volts:12
Coolant capacity:14.4 qts (13.6 L)

Height

ROPS:100 inches (254 cm)
4WD Steering wheel:63 inches (160 cm)
Utility Steering wheel:63 inches (160 cm)
Row-crop Steering wheel:63 inches (160 cm)
Low-profile Steering wheel:56.5 inches (143 cm)

Weight

Ballasted:9660 lbs (4381 kg)
4WD Shipping:6765 lbs (3068 kg)
Utility Shipping:5720 lbs (2594 kg)
Row-crop Shipping:5970 lbs (2707 kg)
Low-profile Shipping:5620 lbs (2549 kg)

Capacity

Fuel:20 gal (75.7 L)
Hydraulic system:9 gal (34.1 L)

Electrical

Ground:negative
Battery volts:12
Charging amps:45

Hydraulics

Type:open center
Valves:1 or 2
Capacity:9 gal (34.1 L)
Pump flow:13 gpm (49.2 lpm), 15.4 gpm (optional) (58.3 lpm)

Mechanical

ROPS:ROPS canopy or cab optional
Drive:Two- or four-wheel drive
Brakes:Independent hydraulic wet disc brakes
Steering:Power steering

Production

Type:Utility tractor
Series:84 Series
Built in:Doncaster, England
Years made:1977 - 1984
Original price:$21,100 in 1984

Transmission

Options:8-speed syncromesh, 16-speed two-speed power shift
Type (syncromesh):syncromesh
Gears (syncromesh):8 forward and 4 reverse
Notes (syncromesh):Four synchronized gears in high, low, and reverse ranges.
Clutch (syncromesh):dry disc
Type (Torque Amplifier):two-speed power shift
Gears (Torque Amplifier):16 forward and 8 reverse
Notes (Torque Amplifier):The optional Torque Amplifier (TA) provides a clutchless on-the-move shift from direct drive (DD) to a lower TA speed.
Oil capacity (syncromesh):36 qts (34.1 L)
Oil capacity (Torque Amplifier):36 qts (34.1 L)

Tractor hitch

Control:position and draft control
Rear Type:II
Rear lift:3600 lbs (1632 kg)

Serial Numbers

1978:501
1979:1687
1980:3533
1981:6037
1982:8001
1983:8512
1984:9352

Dimensions & Tires

Weight:5620 to 6765 pounds
4WD Width:74 inches (187 cm)
Rear tire:16.9-30
4WD Length:147.2 inches (373 cm)
Front tire:7.50-16
4WD Wheelbase:85.2 inches (216 cm)
Utility Width:74 inches (187 cm)
Row-crop Width:75 inches (190 cm)
Utility Length:142 inches (360 cm)
Row-crop Length:139 inches (353 cm)
Low-profile Width:78.5 inches (199 cm)
Utility Wheelbase:88 inches (223 cm)
Low-profile Length:142 inches (360 cm)
Row-crop Wheelbase:84.5 inches (214 cm)
4WD Ground clearance:17.75 inches (45 cm)
Low-profile Wheelbase:83.75 inches (212 cm)
Utility Ground clearance:17.75 inches (45 cm)
Row-crop Ground clearance:17.75 inches (45 cm)
Low-profile Ground clearance:10.7 inches (27 cm)

Power Take-off (PTO)

Clutch:hydraulic wet disc
Rear PTO:independent
Rear PTO Type:540

Related Models

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Model:685

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Model:Hydro 84

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