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Years in Production / 1976–1981

International Harvester

1586

Explore the specifications, hardware, and original references for the International Harvester 1586.

Generic tractor; no model photo available
No photo

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