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Years in Production / 1976–1980
International Harvester
Hydro 86
Explore the specifications, hardware, and original references for the International Harvester Hydro 86.
77hp
Engine estimate · from PTO
2WD Only
Drive
1976–1980
Production years
International Harvester
Manufacturer
Hydro 86 / 01
At a glance
Overview
1976 - 1980
86 Series
Row-Crop tractor
Production
Row-Crop tractor
Original price was $23,400 in 1980
- Manufacturer
- International Harvester
Mechanical
Two-wheel drive
Power steering
Differential dry disc brakes
Open operator station.
Hydraulics
- Type
- open center
- Valves
- 1
- Pump Flow
- 12 gpm45.4 lpm
Hitch
- Rear Type
- II
Pto
- Rear Pto
- independent
- Rear Type
- 540 (1.375)
Hydro 86 / 02
Under the hood
Engine Detail (Option 1)
International Harvester D-312
diesel
6-cylinder
liquid-cooled
- Displacement
- 312 ci5.1 L
- Bore Stroke
- 3.875x4.410 inches98 x 112 mm
- Air Cleaner
- dual dry element with unloader
- Compression Ratio
- 17:1
- Rated Rpm
- 2400
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Detail (Option 2)
International Harvester
gasoline
6-cylinder
liquid-cooled
- Displacement
- 290.8 ci4.8 L
- Bore Stroke
- 3.75x4.39 inches95 x 112 mm
- Air Cleaner
- dual stage dry with dust unloader
- Compression Ratio
- 7.5:1
- Rated Rpm
- 2400
- Starter Volts
- 12
- Fuel Type
- gasoline
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Detail (Option 3)
International Harvester D-310
diesel
6-cylinder
liquid-cooled
The D-310 diesel was used on the Hydro 86, replacing the 312, during production in 1979.
- Displacement
- 310 ci5.1 L
- Bore Stroke
- 3.875x4.375 inches98 x 111 mm
- Air Cleaner
- dry
- Compression Ratio
- 15.1:1
- Rated Rpm
- 2400
- Fuel Type
- diesel
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
International Harvester 5.1L 6-cyl diesel
International Harvester 4.8L 6-cyl gasoline
Hydro 86 / 03
Gears & controls
Transmission
- Transmission Type
- hydrostatic
- Gears
- variable forward and reverse2-range
International Harvester Hydro86 Transmission
hydrostatic
Hydro 86 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 8200 lbs3719 kg
- Front Tire
- 7.50-16
- Rear Tire
- 15.5-38
Serial Number Location
Serial number plate on the left side of the tractor's clutch housing.
Tires And Tracks
- Front Ag
- 7.50-16
- Rear Ag
- 15.5-38
See it in action
Videos
Watch International Harvester Hydro 86 videos from their original YouTube creators.
Hydro 86 / 06
Tests (NTTL)
Tractor Tests
NTTL 1154: gasoline hydrostatic 2WD
NTTL 1155: 312 diesel hydrostatic 2WD
NTTL 1337: 310 diesel hydrostatic 2WD
Nebraska Tractor Test 1154
Gasoline hydrostatic 2WDNovember 14 - December 3, 1973
PTO performance
Drawbar performance
- Id
- 1154
- Power At Rated Engine Speed
- 69.61 hp51.9 kW
- Fuel Use
- 6.9 gal/hour26.1 l/hour
- Fuel Use
- 5.8 gal/hour22.0 l/hour
- Fuel Use
- 7.7 gal/hour29.1 l/hour
- Power At Rated Pto Speed
- 64.10 hp47.8 kW
- Max Power
- 53.86 hp40.2 kW
- Max Pull
- 8,427 lbs3822 kg
Nebraska Tractor Test 1155
312 diesel hydrostatic 2WDNovember 14 - December 3, 1973
PTO performance
Drawbar performance
- Id
- 1155
- Power At Rated Engine Speed
- 69.51 hp51.8 kW
- Fuel Use
- 5.6 gal/hour21.2 l/hour
- Fuel Use
- 5.3 gal/hour20.1 l/hour
- Power At Rated Pto Speed
- 65.41 hp48.8 kW
- Max Power
- 53.10 hp39.6 kW
- Max Pull
- 8,310 lbs3769 kg
Nebraska Tractor Test 1337Nebraska test report ↗
310 diesel hydrostatic 2WDMarch 27 - September 17, 1980
PTO performance
Drawbar performance
Pull at 6.5 KPH
Pull at 3.3 KPH
- Id
- 1337
- Power At Rated Engine Speed
- 70.89 hp52.9 kW
- Fuel Use
- 5.3 gal/hour20.1 l/hour
- Fuel Use
- 4.7 gal/hour17.8 l/hour
- Power At Rated Pto Speed
- 66.64 hp49.7 kW
- Max Power
- 52.49 hp39.1 kW
- Max Pull
- 8815 lbs3998 kg