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Years in Production / 1977–1984

International Harvester

784

Explore the specifications, hardware, and original references for the International Harvester 784.

Generic tractor; no model photo available
No photo

74hp

Engine estimate · from PTO

MFWD Optional

Drive

1977–1984

Production years

International Harvester

Manufacturer

784 / 01

At a glance

Overview

1977 - 1984

84 Series

Utility tractor

Production

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.

Manufacturer
International Harvester

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 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
540/1000 (1.375)

Electrical

Ground
negative
Battery Volts
12

784 / 02

Under the hood

Engine Detail

International Harvester D-246

diesel

4-cylinder

liquid-cooled

Displacement
246 ci4.0 L
Bore Stroke
3.94x5.06 inches100 x 129 mm
Air Cleaner
dry
Compression Ratio
15.5:1
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 4.0L 4-cyl diesel

784 / 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 15.8-38 rear tires.

Transmission (Option 2)

The Torque Amplifier (TA) provides a power shift (clutchless, on the move) 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 15.8-38 rear tires.

Transmission Options

8-speed syncromesh

16-speed two-speed power shift

784 / 04

Size. Stance. Footprint.

Dimensions

Length
142 in360 cm
Width
78.5 in199 cm
Height
56.5 in143 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
5850 to 7108 pounds
Front Tire
7.50-16
Rear Tire
16.9-30

Tires And Tracks

Front Ag
7.50-16 (row-crop)
Front Ag
9.00-10 (low-profile)
Rear Ag
16.9-30 (utility)
Rear Ag
15.8-38 (row-crop)
Rear Ag
18.4-16.1 (low-profile)

See it in action

Videos

Watch International Harvester 784 videos from their original YouTube creators.

Lot 1437 August 2026 - International 784 Tractor

Video by Jeff Boone Auction and Realty

Watch on YouTube ↗

784 / 06

Tests (NTTL)

Nebraska Tractor Test 1315

Diesel 8-speed 2WDMay 24 - June 2, 1979

PTO performance

Drawbar performance

Id
1315
Power At Rated Engine Speed
67.48 hp50.3 kW
Fuel Use
4.3 gal/hour16.3 l/hour
Fuel Use
3.9 gal/hour14.8 l/hour
Power At Rated Pto Speed
61.28 hp45.7 kW
Max Power
56.83 hp42.4 kW