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
![]() | 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 | |
|---|---|
![]() | |
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. | |
![]() | |
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. | |
![]() | |
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
Related models
International Harvester Mogul 30-60
- Power:
- 66.7
- Production years:
- 1912 - 1917
International Harvester 634
- Power:
- 66
- Production years:
- 1968 - 1972
International Harvester 645
- Power:
- 66
- Production years:
- 1980 - 1985
International Harvester Hydro 84
- Power:
- 65.2
- Production years:
- 1978 - 1983
International Harvester 674
- Power:
- 65
- Production years:
- 1973 - 1977





