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International Harvester 784

International Harvester 784 tractor
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The International Harvester 784 was produced from 1977 to 1984 as part of the 84 Series utility tractors. It was built in Doncaster, England and was available in three configurations: row-crop, utility, and low-profile, differing mainly in front axle and rear wheel. It features a 4.0L 4-cylinder liquid-cooled diesel engine, with power outputs around 69 to 81 hp (estimated). Transmission options include an 8-speed syncromesh and a 16-speed two-speed power shift with torque amplifier. The tractor has two- or four-wheel drive, power steering, independent hydraulic wet disc brakes, and standard ROPS except on low-profile models. Fuel capacity is 20 gallons, and hydraulic system capacity is 9 gallons. Dimensions and weights vary by configuration, with shipping weights ranging from 5850 to 7108 lbs. The 784 is part of a series including the 684 and 884 models.
International Harvester 784IH 784utility tractor4.0L diesel engine8-speed syncromesh16-speed power shifttractor specifications
Power74 hp[P]
Founded1977 - 1984
Model784

Technical Specifications

Detailed specifications and technical data for International Harvester 784

Power

PTO (tested):67.48 hp (50.3 kW)
PTO (claimed):67.4 hp (50.3 kW)
Drawbar (tested):56.83 hp (42.4 kW)
Drawbar (claimed):58.6 hp (43.7 kW)

Tires

Ag rear:16.9-30 (utility), 15.8-38 (row-crop), 18.4-16.1 (low-profile)
Ag front:7.50-16 (row-crop), 9.00-10 (low-profile)

Engine

Type:diesel
Model:International Harvester D-246
Cooling:liquid-cooled
Cylinders:4-cylinder
Rated RPM:2400
Air cleaner:dry
Bore/Stroke:3.94x5.06 inches (100 x 129 mm)
Displacement:246 ci (4.0 L)
Oil capacity:8.8 qts (8.3 L)
Starter volts:12
Coolant capacity:14.4 qts (13.6 L)
Compression ratio:15.5:1

Height

4WD Steering wheel:63 inches (160 cm)
Utility Steering wheel:63 inches (160 cm)
Row-crop Steering wheel:65 inches (165 cm)
Low-profile Steering wheel:56.5 inches (143 cm)

Weight

Ballasted:9920 lbs (4499 kg)
4WD Shipping:7108 lbs (3224 kg)
Utility Shipping:5950 lbs (2698 kg)
Row-crop Shipping:6200 lbs (2812 kg)
Low-profile Shipping:5850 lbs (2653 kg)

Capacity

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

Dimensions

4WD Width:74 inches (187 cm)
4WD Length:148.2 inches (376 cm)
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:18.65 inches (47 cm)
Low-profile Wheelbase:83.75 inches (212 cm)
Utility Ground clearance:17.75 inches (45 cm)
Low-profile Ground clearance:10.7 inches (27 cm)

Electrical

Ground:negative
Battery volts:12

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 standard, except on low-profile. Canopy optional. Cab optional on row-crop.
Drive:Two- or four-wheel drive
Brakes:Independent hydraulic wet disc brakes
Steering:Power steering

Production

Type:Utility tractor
Notes:The International Harvester 784 was available in three configurations: row-crop, utility, and low-profile. The front axle and rear wheel were the primary difference between the three versions of the 784.
Series:84 Series
Built in:Doncaster, England
Original price:$22,300 in 1984
Years produced:1977 - 1984

Transmission

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

Tractor hitch

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

Serial Numbers

1978:501
1979:1442
1980:2752
1981:5906
1982:8001
1983:8219
Location:Serial number plate on the right side of the frame, above the front axle.

Power Take-off (PTO)

Clutch:hydraulic wet disc
Rear PTO:independent
Rear PTO Type:540/1000 (1.375)

Related Models

International Harvester 684

Model:684

International Harvester 884

Model:884