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Years in Production / 1976–1981
International Harvester
1586
Explore the specifications, hardware, and original references for the International Harvester 1586.

177hp
Engine estimate · from PTO
MFWD Optional
Drive
1976–1981
Production years
International Harvester
Manufacturer
1586 / 01
At a glance
Overview
1976 - 1981
86 Series
Row-Crop tractor
Production
Row-Crop tractor
Built in Rock Island, Illinois, USA
Original price was $43,300 in 1981
- Manufacturer
- International Harvester
- Total Built
- 13,636
Mechanical
Two- or four-wheel drive
Hydraulic disc brakes
Cab standard with air-conditioning. Open operator station and four-post ROPS available.
- Final Drives
- planetary
- Steering
- power assist
Capacity
- Fuel
- 63 gal238.5 L
- Fuel
- 22 gal (auxiliary)83.3 L
- Hydraulic System
- 27 gal102.2 L
Hydraulics
- Type
- open center
- Type
- closed center *Optional after late 1980.
- Capacity
- 27 gal102.2 L
- Valves
- 2
- Pump Flow
- 12 gpm45.4 lpm
Hitch
- Rear Type
- III
Pto
- Rear Pto
- independent
- Rear Type
- 1000 (1.75)
- Engine Rpm
- 1000@2100
Serial Numbers
FAQ: How to read a serial number table.
- 1976
- 8601
- 1977
- 10652
- 1978
- 14506
- 1979
- 16347
- 1980
- 18451
- 1981
- 21501
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 42
- Charging Amps
- 61 (with cab)
- Batteries
- 2
- Battery Cca
- 470
- Battery Volts
- 12
1586 / 02
Under the hood
Engine Detail
International Harvester DT436
turbocharged diesel
6-cylinder
liquid-cooled
- Displacement
- 436 ci7.1 L
- Bore Stroke
- 4.30x5.00 inches109 x 127 mm
- Air Cleaner
- dual dry element
- Rated Rpm
- 2500
- Coolant Capacity
- 27 qts25.6 L
- Cylinders
- 6
- Cooling
- liquid-cooled
- Oil Capacity
- 20 qts18.9 L
Engine Options
International Harvester 7.1L 6-cyl diesel
1586 / 03
Gears & controls
Transmission
The transmission features three ranges (low, high, and reverse) with three gears (1-3) in each range. The Torque Amplifier (TA) provides an additional high/low selection for each speed. The range and gear can be shifted only when the tractor is stopped. The TA can be shifted while the tractor is in motion.
- Transmission
- Torque Amplifier
- Transmission Type
- two-speed power shift
- Gears
- 12 forward and 6 reverse
- Oil Capacity
- 108 qts102.2 L
- Speeds Description
- 20.8-38 rear tires.
International Harvester1586 Transmission
12-speed two-speed power shift
1586 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 169 in429 cm
- Width
- 112 in284 cm
- Height (cab)
- 116 in294 cm
- Wheelbase
- 105 in266 cm
- Ground clearance
- 14 in35 cm
Dimensions And Tires
- Wheelbase
- 105 inches266 cm
- Weight
- 13600 to 15120 pounds
- Front Tire
- 11.00-16
- Rear Tire
- 20.8-38
Serial Number Location
Frame, right side ahead of the rear axle.
Tires And Tracks
- Front Ag
- 11.00-16
- Rear Ag
- 20.8-38
See it in action
Videos
Watch International Harvester 1586 videos from their original YouTube creators.
1586 / 06
Tests (NTTL)
Nebraska Tractor Test 1248
Diesel 12-speed 2WDJune 3 - 22, 1977
PTO performance
Drawbar performance
- Id
- 1248
- Power At Rated Engine Speed
- 161.55 hp120.5 kW
- Fuel Use
- 10.6 gal/hour40.1 l/hour
- Fuel Use
- 9.5 gal/hour36.0 l/hour
- Fuel Use
- 10.4 gal/hour39.4 l/hour
- Power At Rated Pto Speed
- 156.09 hp116.4 kW
- Max Power
- 134.94 hp100.6 kW
- Max Pull
- 16,665 lbs7559 kg