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Tractor · 1976Unverified

International Harvester 1586

Name: International Harvester 1586
Brand: International Harvester

International Harvester 1586 — 86 Series · 162 hp. Reference specifications; pending source verification.

The International Harvester 1586 is a tractor model with a rated output of 162 hp, categorising it as a high-powered machine in its class. Produced from 1976 to 1981, it features a 6-cylinder turbocharged diesel liquid-cooled engine, transmitting power through four-wheel drive with a powershift transmission. Weighing between 13600 and 15120 pounds, the 1586 is suited for tasks involving approximately 600–1,500 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

162 hp

Max power

100.6 kW

Weight

13600 to 15120 pounds

Catalogue coverage

Variants represented

Richest spec table

83 rows

Recorded power

162 hp

Transmissions

12-speed two-speed power shift

Production years

1976-1981

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerInternational HarvesterReference

Row-Crop tractorReference

Built in Rock Island, Illinois, USAReference

Total built13,636Reference

Original price was $43,300 in 1981Reference

Two- or four-wheel driveReference

Final drivesplanetaryReference

Steeringpower assistReference

Hydraulic disc brakesReference

Cab standard with air-conditioning. Open operator station and four-post ROPS available.Reference

Engine

International Harvester 7.1L 6-cyl dieselReference

Drawbar (claimed)104.4 kWReference

Drawbar (tested)100.6 kWReference

International Harvester DT436Reference

turbocharged dieselReference

6-cylinderReference

liquid-cooledReference

Displacement7.1 LReference

Bore/Stroke109 x 127 mmReference

Air cleanerdual dry elementReference

Rated RPM2500Reference

Coolant capacity25.6 LReference

Oil capacity18.9 LReference

Power at rated engine speed120.5 kWReference

Max power100.6 kWReference

Transmission

12-speed two-speed power shiftReference

TransmissionTorque AmplifierReference

Typetwo-speed power shiftReference

Gears12 forward and 6 reverseReference

Oil capacity102.2 LReference

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.Reference

PTO & Hydraulics

PTO (claimed)119.3 kWReference

PTO (tested)120.5 kWReference

Hydraulic system102.2 LReference

Typeopen centerReference

Typeclosed centerReference

Capacity102.2 LReference

Valves2Reference

Pump flow45.4 lpmReference

Rear TypeIIIReference

Rear PTOindependentReference

Rear PTO Type1000 (1.75)Reference

Engine RPM1000@2100Reference

Power at rated PTO speed116.4 kWReference

Capacities

Fuel238.5 LReference

Fuel83.3 LReference

Dimensions

Wheelbase266 cmReference

Weight13600 to 15120 poundsReference

Front tire11.00-16Reference

Rear tire20.8-38Reference

Ag front11.00-16Reference

Ag rear20.8-38Reference

Length429 cmReference

Width284 cmReference

Height (cab)294 cmReference

Ground clearance35 cmReference

Bar rear axle101 mmReference

Shipping6168 kgReference

Operating6858 kgReference

Ballasted7983 kgReference

1586 Serial Number Location

Frame, right side ahead of the rear axle.Reference

1586 Serial Numbers

19768601Reference

197710652Reference

197814506Reference

197916347Reference

198018451Reference

198121501Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps42Reference

Charging amps61 (with cab)Reference

Batteries2Reference

Battery CCA470Reference

Battery volts12Reference

Test results

Diesel 12-speed 2WDJune 3 - 22, 1977Link: Nebraska Tractor Test 1248 fileReference

PTO performanceReference

Fuel use40.1 l/hourReference

Fuel use36.0 l/hourReference

Drawbar performanceReference

Fuel use39.4 l/hourReference

Max pull7559 kgReference

Speeds

20.8-38 rear tires.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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