| Manufacturer | International Harvester |
| Price | 23,000(USD) |
| Model | Hydro 84 |
| Equipment Type | Utility Tractors |
| Factory | Doncaster, England |
NEBRASKA TRACTOR TEST 1316 2
| Description | Diesel hydrostatic 2WD May 25 - June 6, 1979 Link: Nebraska Tractor Test 1316 file PTO performance Drawbar performance Pull at 9.5 KPH/Pull at 3.8 KPH |
| Power at rated engine speed | 58.73hp / 43.8kW |
| Fuel use | 4.2gal/hour / 15.9l/hour |
| Power at rated PTO speed | 56.68hp / 42.3kW |
| Max power | 42.90hp / 32.0kW |
| Max pull | 6,572lbs / 2981kg |
INTERNATIONAL HARVESTER HYDRO 84 POWER
| Drawbar (claimed) | 43.6hp / 32.5kW |
| PTO (claimed) | 58.7hp / 43.8kW |
| Drawbar (tested) | 42.90hp / 32.0kW |
| PTO (tested) | 58.73hp / 43.8kW |
ENGINE DETAIL
The International Harvester Hydro 84 features a robust D-246 diesel engine with a high compression ratio of 15.5:1, optimizing fuel efficiency and power output at a rated speed of 2400 RPM. Its liquid-cooled system with a coolant capacity of 14.4 quarts ensures effective thermal management, vital for demanding agricultural tasks. The dry air cleaner enhances performance in dusty environments but may require more frequent maintenance to prevent clogging, impacting operational uptime.
| Description | International Harvester D-246 diesel 4-cylinder liquid-cooled |
| Displacement | 246ci / 4.0L |
| Bore/Stroke | 3.94x5.06inches / 100x 129mm |
| Air cleaner | dry |
| Compression | 15.5:1 |
| Rated RPM | 2400 |
| Starter volts | 12 |
| Oil capacity | 8.8qts / 8.3L |
| Coolant capacity | 14.4qts / 13.6L |
INTERNATIONAL HARVESTER HYDRO 84 ENGINE
The International Harvester Hydro 84 features a robust 4.0L 4-cylinder diesel engine, providing reliable power and efficiency for various agricultural tasks. Its hydrostatic transmission allows for smooth speed control and maneuverability, making it ideal for both precise operations and varying terrain. However, maintenance of the hydrostatic system may require specialized knowledge, so ensure access to qualified service technicians for optimal performance.
| Description | International Harvester 4.0L 4-cyl diesel |
TRANSMISSION
The International Harvester Hydro 84's hydrostatic transmission allows for smooth, variable speed control through its infinite gearing system, which can be advantageous for precision work in various farming applications. With a 66-quart oil capacity, it can operate efficiently without frequent oil changes, although regular maintenance is crucial to prevent transmission overheating. This tractor is ideal for tasks requiring fine speed adjustments, such as tilling or grading, but may face challenges in high-torque scenarios due to the inherent limitations of hydrostatic systems compared to gear-driven alternatives.
| Type | hydrostatic |
| Gears | infinite (2-range) forward and reverse |
| Oil capacity | 66qts / 62.5L |
| Description | The hydrostatic transmission provides a high and low range, and an infinite number of speeds from zero to specific maximum in each range |
SPEEDS
| Description | With 16.9-30 rear tires |
MECHANICAL
The International Harvester Hydro 84 features a versatile hydrostatic transmission, providing seamless speed adjustments for improved maneuverability in varied field conditions, whether in 2WD or 4WD configurations. Its independent hydraulic wet disc brakes enhance stopping power and reliability, though they may require more maintenance compared to traditional systems. The open operator station with optional ROPS canopy offers operator comfort but may expose users to the elements, impacting usability in adverse weather.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Steering | power |
| Brakes | independent hydraulic wet disc |
| Cab | Open operator station. ROPS canopy or cab optional |
| Transmission | hydrostatic |
CAPACITY
| Fuel | 20gal / 75.7L |
| Hydraulic system | 16.5gal / 62.5L |
HYDRAULICS
| Type | open center |
| Capacity | 16.5gal / 62.5L |
| Valves | 1 or 2 |
| Total flow | 13gpm / 49.2lpm 15.4gpm / 58.3lpm |
TRACTOR HITCH
| Rear Type | II |
| Control | position and draft control |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | hydraulic wet disc |
| Rear RPM | 540 |
INTERNATIONAL HARVESTER HYDRO 84 TIRES
The International Harvester Hydro 84 tractor features a versatile tire configuration with 7.50-16 front tires and 16.9-30 rear tires, providing excellent traction and stability in a variety of agricultural applications. The larger rear tires enhance ground contact and load capacity, making it suitable for heavier implements, while the hydraulic drive system offers precise control and efficiency in operation. However, be mindful of the potential for increased soil compaction with larger rear tires if used on sensitive terrain.
| Ag front | 7.50-16 |
| Ag rear | 16.9-30 |
DIMENSIONS
| Utility Wheelbase | 88inches / 223cm |
| Row-crop Wheelbase | 84.5inches / 214cm |
| 4WD Wheelbase | 85.2inches / 216cm |
| Low-profile Wheelbase | 83.75inches / 212cm |
| Utility Length | 142inches / 360cm |
| Row-crop Length | 139inches / 353cm |
| 4WD Length | 147.2inches / 373cm |
| Low-profile Length | 142inches / 360cm |
| Utility Width | 74inches / 187cm |
| Row-crop Width | 75inches / 190cm |
| 4WD Width | 74inches / 187cm |
| Low-profile Width | 78.5inches / 199cm |
| Utility Ground clearance | 17.75inches / 45cm |
| Row-crop Ground clearance | 17.75inches / 45cm |
| 4WD Ground clearance | 17.75inches / 45cm |
| Low-profile Ground clearance | 10.7inches / 27cm |
INTERNATIONAL HARVESTER HYDRO 84 WEIGHT
| Utility Shipping | 5720lbs / 2594kg |
| Row-crop Shipping | 5970lbs / 2707kg |
| 4WD Shipping | 6765lbs / 3068kg |
| Low-profile Shipping | 5620lbs / 2549kg |
INTERNATIONAL HARVESTER HYDRO 84 HEIGHT
| Utility Steering wheel | 63inches / 160cm |
| Row-crop Steering wheel | 63inches / 160cm |
| 4WD Steering wheel | 63inches / 160cm |
| Low-profile Steering wheel | 56.5inches / 143cm |
| ROPS | 100inches / 254cm |
DIMENSIONS & TIRES
The International Harvester Hydro 84 tractor features a versatile wheelbase configuration, enabling adaptability for various tasks, with the utility wheelbase of 88 inches optimal for stability during heavy-duty operations. Weighing between 5620 to 6765 pounds, it provides substantial ground engagement, while the 4WD option enhances traction on challenging terrains. Key considerations include front tire synergy (7.50-16) for effective steering response and rear tire (16.9-30) selection for improved power transfer during fieldwork.
| Utility Wheelbase | 88inches / 223cm |
| Row-crop Wheelbase | 84.5inches / 214cm |
| 4WD Wheelbase | 85.2inches / 216cm |
| Low-profile Wheelbase | 83.75inches / 212cm |
| Weight | 5620 to 6765 pounds |
| Front tire | 7.50-16 |
| Rear tire | 16.9-30 |
HYDRO 84 SERIAL NUMBERS
| Location | Front axle on right side of tractor |
| 1978 | 501 |
| 1979 | 787 |
| 1980 | 1481 |
| 1981 | 5564 |
| 1982 | 6014 |
| 1983 | 8069 |
ELECTRICAL
| Ground | negative |
| Battery volts | 12 |