International Harvester 784

The International Harvester 784 is a tractor produced by International Harvester. It is equipped with a 246 ci 4.0 L engine. The rated power output is 67.48 hp 50.3 kW. Transmission: Torque Amplifier. Operating weight: 5850 to 7108 pounds.

Engine Power
67.48 hp 50.3 kW
Fuel & Capacities
20 gal 75.7 L
Transmission
Torque Amplifier
Operating Weight
5850 to 7108 pounds

International Harvester 784 Serial Number & Year Decoder

Find the exact manufacture year of your tractor by checking your chassis serial number below.

Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.

Overview

International Harvester 784 tractor photo
1977 - 1984 84 SeriesUtility tractor
1977 - 1984
84 Series
Utility tractor
Production
Manufacturer
International Harvester
Utility tractor
Built in Doncaster, England
Original price was $22,300 in 1984
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.
International Harvester 784 Engine
International Harvester 4.0L 4-cyl diesel
Engine details ...
International Harvester 784 Power
Drawbar (claimed)
58.6 hp 43.7 kW
PTO (claimed)
67.4 hp 50.3 kW
Drawbar (tested)
56.83 hp 42.4 kW
PTO (tested)
67.48 hp 50.3 kW
Performance test details ...
Mechanical
Two- or four-wheel drive
Power steering
Independent hydraulic wet disc brakes
ROPS standard, except on low-profile. Canopy optional. Cab optional on row-crop.
Capacity
Fuel
20 gal 75.7 L
Hydraulic system
9 gal 34.1 L
Hydraulics
Type
open center
Capacity
9 gal 34.1 L
Valves
1 or 2
Pump flow
13 gpm 49.2 lpm
15.4 gpm (optional) 58.3 lpm
Tractor hitch
Rear Type
II
Control
position and draft control
Rear lift
3600 lbs 1632 kg
Power Take-off (PTO)
Rear PTO
independent
Clutch
hydraulic wet disc
Rear PTO Type
540/1000 (1.375)
Dimensions & Tires
Utility Wheelbase
88 inches 223 cm
Row-crop Wheelbase
84.5 inches 214 cm
4WD Wheelbase
85.2 inches 216 cm
Low-profile Wheelbase
83.75 inches 212 cm
Weight
5850 to 7108 pounds
Front tire
7.50-16
Rear tire
16.9-30
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12
References
784 references literature
1979 Buyer's Guide published by International Harvester
Buyer's Guide 1981 published by International Harvester
Buyer's Guide 1982 published by International Harvester
84 Series Hi-Performers published in 1978, by International Harvester
International Series 84 Utility/Row-Crop Tractors published in 1978, by International Harvester
International Series 84 tractors published in 1982, by International Harvester
International Series 84 Tractors published in 1983, by International Harvester
Agricultural Equipment Reference Catalog published in 1980, by International Harvester

Engine

Engine Detail — 246 ci / 4.0 L Diesel

Manufacturer
International Harvester D-246
Fuel Type
Diesel
Configuration
4-cylinder, liquid-cooled
Displacement
246 ci 4.0 L
Bore/Stroke
3.94x5.06 inches 100 x 129 mm
Air cleaner
dry
Compression
15.5:1
Rated RPM
2400
Starter volts
12
Oil capacity
8.8 qts 8.3 L
Coolant capacity
14.4 qts 13.6 L

Transmission

Transmission options
8-speed syncromesh
16-speed two-speed power shift

Transmission — 8 forward and 4 reverse syncromesh

Type
syncromesh
Gears
8 forward and 4 reverse
Clutch
dry disc
Oil capacity
36 qts 34.1 L
Four synchronized gears in high, low, and reverse ranges.
With 15.8-38 rear tires.
784  syncromesh speeds

Transmission — Torque Amplifier

Transmission
Torque Amplifier
Type
two-speed power shift
Gears
16 forward and 8 reverse
Oil capacity
36 qts 34.1 L
The Torque Amplifier (TA) provides a power shift (clutchless, on the move) from direct drive (DD) to a lower TA speed.
With 15.8-38 rear tires.
784 Torque Amplifier two-speed power shift speeds

Dimensions

International Harvester 784 Tires
Ag front
7.50-16 (row-crop)
9.00-10 (low-profile)
Ag rear
16.9-30 (utility)
15.8-38 (row-crop)
18.4-16.1 (low-profile)
Dimensions
Utility Wheelbase
88 inches 223 cm
Row-crop Wheelbase
84.5 inches 214 cm
4WD Wheelbase
85.2 inches 216 cm
Low-profile Wheelbase
83.75 inches 212 cm
Utility Length
142 inches 360 cm
Row-crop Length
139 inches 353 cm
4WD Length
148.2 inches 376 cm
Low-profile Length
142 inches 360 cm
Utility Width
74 inches 187 cm
Row-crop Width
75 inches 190 cm
4WD Width
74 inches 187 cm
Low-profile Width
78.5 inches 199 cm
Utility19.7 row-crop} Ground clearance
17.75 inches 45 cm
4WD Ground clearance
18.65 inches 47 cm
Low-profile Ground clearance
10.7 inches 27 cm
International Harvester 784 Weight
Utility Shipping
5950 lbs 2698 kg
Row-crop Shipping
6200 lbs 2812 kg
4WD Shipping
7108 lbs 3224 kg
Low-profile Shipping
5850 lbs 2653 kg
Ballasted
9920 lbs 4499 kg
International Harvester 784 Height
Utility Steering wheel
63 inches 160 cm
Row-crop Steering wheel
65 inches 165 cm
4WD Steering wheel
63 inches 160 cm
Low-profile Steering wheel
56.5 inches 143 cm

Tests

Nebraska Tractor Test 1315
Diesel 8-speed 2WD May 24 - June 2, 1979 Link: Nebraska Tractor Test 1315 file
PTO performance
Power at rated engine speed
67.48 hp 50.3 kW
Fuel use
4.3 gal/hour 16.3 l/hour
Power at rated PTO speed
61.28 hp 45.7 kW
Fuel use
3.9 gal/hour 14.8 l/hour
Drawbar performance
Max power
56.83 hp 42.4 kW
Fuel use
4.3 gal/hour 16.3 l/hour

Photos

International 784 with front-end loader, right side.

International 784 with front-end loader, right side.

International 784 with front-end loader, left side.

International 784 with front-end loader, left side.