Introduction
International Harvester Hydro 84 Utility Tractor
The International Harvester Hydro 84 is a utility tractor produced in Doncaster, England, between 1978 and 1983. Part of the 584 and 684 series, this machine was designed for general agricultural applications, offering a rated power output of 65 horsepower.
Engine and Performance
The tractor is powered by the International Harvester D-246, a liquid-cooled, 4-cylinder diesel engine. It features a displacement of 246 cubic inches (4.0 L) and a compression ratio of 15.5:1. The engine operates at a rated speed of 2400 RPM and utilizes a dry-type air cleaner. Maintenance requirements include an oil capacity of 8.8 quarts (8.3 L) and a coolant capacity of 14.4 quarts (13.6 L).
Transmission and Drive
A defining feature of the Hydro 84 is its hydrostatic transmission, which provides two ranges and an infinite number of forward and reverse speeds, allowing for precise control during field operations. The system is supported by a 66-quart (62.5 L) oil capacity. The tractor is available in both two-wheel and four-wheel drive configurations, equipped with power steering and independent hydraulic wet disc brakes.
Hydraulics and PTO
The tractor utilizes an open-center hydraulic system with a total flow of 13 gpm (49.2 lpm), with an optional capacity of 15.4 gpm (58.3 lpm). The system features a 16.5-gallon (62.5 L) reservoir and supports 1 or 2 valves. The rear hitch is a Category II type, incorporating both position and draft control. The independent rear PTO operates at 540 RPM and is engaged via a hydraulic wet disc clutch.
Dimensions and Configuration
The Hydro 84 is offered in multiple configurations, including utility, row-crop, and low-profile models. Wheelbase dimensions range from 83.75 inches for low-profile versions to 88 inches for utility models. Ground clearance varies by configuration, reaching 17.75 inches on 4WD and row-crop models. Standard tire equipment consists of 7.50-16 front tires and 16.9-30 rear tires.
Conclusion
The International Harvester Hydro 84 is a versatile utility tractor suited for diverse farm tasks requiring precise speed control through its hydrostatic transmission. Its robust mechanical components and flexible configuration options make it a reliable choice for varied agricultural environments.
Production Information of International Harvester, Hydro 84
- Original price was $23,000 in 1984
- Utility tractor
- Built in Doncaster, England
| Manufacturer | International Harvester |
|---|
Dimension and Tires Information of International Harvester, Hydro 84
| Utility Wheelbase | 88 inches [223 cm] |
|---|---|
| Low-profile Ground clearance | 10.7 inches [27 cm] |
| 4WD Ground clearance | 17.75 inches [45 cm] |
| Low-profile Wheelbase | 83.75 inches [212 cm] |
| Low-profile Length | 142 inches [360 cm] |
| 4WD Wheelbase | 85.2 inches [216 cm] |
| 4WD Width | 74 inches [187 cm] |
| Row-crop Width | 75 inches [190 cm] |
| Utility Length | 142 inches [360 cm] |
| Row-crop Wheelbase | 84.5 inches [214 cm] |
| 4WD Length | 147.2 inches [373 cm] |
| Utility Width | 74 inches [187 cm] |
| Row-crop Length | 139 inches [353 cm] |
| Row-crop Ground clearance | 17.75 inches [45 cm] |
| Utility Ground clearance | 17.75 inches [45 cm] |
| Low-profile Width | 78.5 inches [199 cm] |
| Ag front | 7.50-16 |
|---|---|
| Ag rear | 16.9-30 |
Engine Specifications of International Harvester, Hydro 84
- International Harvester D-246
- Liquid-cooled
- Diesel
- 4-cylinder
| Oil capacity | 8.8 qts [8.3 L] |
|---|---|
| Displacement | 246 ci [4.0 L] |
| Compression | 15.5:1 |
| Bore/Stroke | 3.94x5.06 inches [100 x 129 mm] |
| Coolant capacity | 14.4 qts [13.6 L] |
| Starter volts | 12 |
| Rated RPM | 2400 |
| Air cleaner | Dry |
Transmission Information of International Harvester, Hydro 84
Transmission variants 1
- The hydrostatic transmission provides a high and low range, and an infinite number of speeds from zero to specific maximum in each range.
| Type | Hydrostatic |
|---|---|
| Gears | Infinite forward and reverse (2-range) |
| Oil capacity | 66 qts [62.5 L] |
Mechanical Specs of International Harvester, Hydro 84
- Two- or four-wheel drive
- Open operator station. ROPS canopy or cab optional.
- Power steering
- Independent hydraulic wet disc brakes
Power Information of International Harvester, Hydro 84
| Rear PTO | Independent |
|---|---|
| Clutch | Hydraulic wet disc |
| Rear PTO Type | 540 |
Hydraulics Specifications of International Harvester, Hydro 84
| Type | Open center |
|---|---|
| Type(optional) | 15.4 gpm [58.3 lpm] |
| Total flow | 13 gpm [49.2 lpm] |
| Capacity | 16.5 gal [62.5 L] |
| Valves | 1 or 2 |
Three-Point Hitch of International Harvester, Hydro 84
| Rear Type | II |
|---|---|
| Control | Position and draft control |
Electrical System of International Harvester, Hydro 84
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 65 hp[P] HP, the International Harvester Hydro 84 sits between 584 (60 HP) and 684 (69 HP) in International Harvester's range. Its power puts it in the 47th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the International Harvester Hydro 84 have?
The International Harvester Hydro 84 delivers 65 hp[P] HP.
What years was the International Harvester Hydro 84 produced?
The International Harvester Hydro 84 was produced in 1978-1983.
What engine does the International Harvester Hydro 84 have?
The International Harvester Hydro 84 is powered by a Diesel, 4-cylinder engine.
What transmission does the International Harvester Hydro 84 use?
The International Harvester Hydro 84 uses a Hydrostatic transmission.
Is the International Harvester Hydro 84 4WD?
The International Harvester Hydro 84 is available in 2WD/4WD.