International Harvester Hydro 85
The International Harvester Hydro 85 is a utility tractor from the 85 Series produced between 1981 and 1985. Built in Doncaster, England, it features a 4.0L 4-cylinder diesel engine with hydrostatic transmission offering infinite forward and reverse speeds. It delivers 80 hp gross engine power and includes features such as two- or four-wheel drive, mechanical rear differential lock, power steering, hydraulic wet disc brakes, and a standard cab with Economy and Deluxe options. The tractor has a rear Type II hitch with position and draft control, a rear lift capacity of 4400 lbs (5250 lbs with optional assistor ram), and an independent rear PTO with 540/1000 rpm options. Dimensions include an 88.2 inch wheelbase and 147.6 inch length, with front tires sized 10.00-16 (2WD) or 12.4-24 (MFWD) and rear tires 16.9-34.
Power80 hp
Founded1981 - 1985
ModelHydro 85
Technical Specifications
Detailed specifications and technical data for International Harvester Hydro 85
Power
| Engine (net) | 77.4 hp (57.7 kW) |
|---|---|
| PTO (claimed) | 68.3 hp (50.9 kW) |
| Engine (gross) | 80 hp (59.7 kW) |
Engine
| Type | diesel |
|---|---|
| Model | International Harvester D-246 |
| Torque | 194 lb-ft (263.1 Nm) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Fuel tank | 29.6 gal (112.0 L) |
| Rated RPM | 2300 |
| Torque RPM | 1600 |
| Bore/Stroke | 3.94x5.06 inches (100 x 129 mm) |
| Fuel system | indirect injection |
| Power (net) | 77.4 hp (57.7 kW) |
| Displacement | 246 ci (4.0 L) |
| Power (gross) | 80 hp (59.7 kW) |
| Starter volts | 12 |
Hydraulics
| Pump flow | 12.4 gpm (46.9 lpm) |
|---|
Mechanical
| Cab | standard. Economy and Deluxe cabs available. |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Hydraulic wet disc brakes |
| Power steering | yes |
| Differential lock | mechanical rear |
Production
| Series | 85 Series |
|---|---|
| Built in | Doncaster, England |
| Category | Utility tractor |
| Years made | 1981 - 1985 |
Transmission
| Type | hydrostatic |
|---|---|
| Gears | infinite forward and reverse |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | II |
| Rear lift | 4400 lbs (1995 kg) |
| Rear lift with optional assistor ram | 5250 lbs (2381 kg) |
Dimensions & Tires
| Length | 147.6 inches (374 cm) |
|---|---|
| Rear tire | 16.9-34 |
| Wheelbase | 88.2 inches (224 cm) |
| Front tire | 10.00-16 (2WD), 12.4-24 (MFWD) |
Power Take-off (PTO)
| Clutch | hydraulic wet disc |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/1000 |
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