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Years in Production / 1976–1981
International Harvester
1086
Explore the specifications, hardware, and original references for the International Harvester 1086.
144hp
Engine estimate · from PTO
MFWD Optional
Drive
1976–1981
Production years
International Harvester
Manufacturer
1086 / 01
At a glance
Overview
1976 - 1981
86 Series
Row-Crop tractor
- Alternative Additional Value
- IH Hy-Tran/B-6
Production
Row-Crop tractor
Built in Rock Island, Illinois, USA
Original price was $35,700 in 1981
- Manufacturer
- International Harvester
- Total Built
- 47,420
Mechanical
Two- or four-wheel drive
Hydraulic disc brakes
Cab standard with air-conditioning. Open operator station and four-post ROPS available.
- Final Drives
- bull gear
- Differential Lock
- mechanical rear OptOptional
- Steering
- power assist
Capacity
- Fuel
- 63 gal (main)238.5 L
- Fuel
- 22 gal (auxilary)83.3 L
- Hydraulic System
- 22.5 gal85.2 L
Hydraulics
- Type
- open center
- Type
- closed center *Optional after late 1980.
- Capacity
- 22.5 gal85.2 L
- Valves
- 2
- Pump Flow
- 12 gpm45.4 lpm
Hitch
- Rear Type
- III
Pto
- Rear Pto
- independent
- Rear Type
- 540/1000 (1.375)
- Engine Rpm
- 540@2100
- Engine Rpm
- 1000@2100
Serial Numbers
FAQ: How to read a serial number table.
- 1976
- 8601
- 1977
- 14725
- 1978
- 25672
- 1979
- 34731
- 1980
- 42186
- 1981
- 51671
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 42
- Charging Amps
- 61 (with cab)
- Batteries
- 2
- Battery Cca
- 470
- Battery Volts
- 12
1086 / 02
Under the hood
Engine Detail
International Harvester DT-414
turbocharged diesel
6-cylinder
liquid-cooled
- Displacement
- 414 ci6.8 L
- Bore Stroke
- 4.30x4.75 inches109 x 121 mm
- Air Cleaner
- dual dry element
- Rated Rpm
- 2400
- Coolant Capacity
- 25 qts23.7 L
- Cylinders
- 6
- Cooling
- liquid-cooled
- Oil Capacity
- 20 qts18.9 L
Engine Options
International Harvester 6.8L 6-cyl diesel
1086 / 03
Gears & controls
Transmission
The transmission features three ranges (low, high, and reverse) with four gears (1-4) in each range. The range and gear can be shifted only when the tractor is stopped.
- Transmission Type
- gear
- Gears
- 8 forward and 4 reverse
- Oil Capacity
- 90 qts85.2 L
- Speeds Description
- With 18.4-38 rear tires.
Transmission Options
8-speed gear
16-speed two-speed power shift
Speeds
With 18.4-38 rear tires.
1086 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 169 in429 cm
- Width
- 98 in248 cm
- Height (cab)
- 126 in320 cm
- Wheelbase
- 101 in256 cm
- Ground clearance
- 26 in66 cm
Dimensions And Tires
- Wheelbase
- 105 inches (wide-tread front)266 cm
- Wheelbase
- 101 inches (tricycle front)256 cm
- Wheelbase
- 99 inches (4WD)251 cm
- Wheelbase
- 106 inches (Hi-Clear)269 cm
- Weight
- 12300 to 13030 pounds
- Front Tire
- 10.00-16
- Rear Tire
- 18.4-38
Serial Number Location
Frame, right side ahead of the rear axle.
Tires And Tracks
- 2wd Ag Front
- 10.00-16
- 4wd Ag Front
- 13.6-24
- Rear Ag
- 18.4-38
1086 / 05
Tractor Photos
See it in action
Videos
Watch International Harvester 1086 videos from their original YouTube creators.
1086 / 07
Tests (NTTL)
Nebraska Tractor Test 1247
Diesel 16-speed 2WDJune 2 - 14, 1977
PTO performance
Drawbar performance
Gear 1-Hi-TA used for power test.
Gear 2-Lo-DD used for pull test.
- Id
- 1247
- Power At Rated Engine Speed
- 131.41 hp98.0 kW
- Fuel Use
- 8.6 gal/hour32.6 l/hour
- Fuel Use
- 8.2 gal/hour31.0 l/hour
- Fuel Use
- 8.5 gal/hour32.2 l/hour
- Power At Rated Pto Speed
- 133.67 hp99.7 kW
- Max Power
- 113.04 hp84.3 kW
- Max Pull
- 13,503 lbs6124 kg