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Tractor · 1976Unverified

International Harvester 986

Name: International Harvester 986
Brand: International Harvester

International Harvester 986 — 86 Series · 106 hp. Reference specifications; pending source verification.

The International Harvester 986 is a tractor model with a rated power of 106 hp, a mid-range figure for its class. It was produced from 1976 to 1981. The tractor is equipped with a 6-cylinder diesel liquid-cooled engine, paired with four-wheel drive and a powershift transmission. It has an operating weight of 10500 to 13030 pounds and is suitable for operations covering 200–800 acres.

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

Rated power

106 hp

Max power

67.2 kW

Weight

10500 to 13030 pounds

Catalogue coverage

Variants represented

Richest spec table

95 rows

Recorded power

106 hp

Transmissions

16-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 built20,554Reference

Original price$31,100 (1981)Reference

Two- or four-wheel driveReference

Final drivesbull gearReference

Steeringpower assistReference

Hydraulic disc brakesReference

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

Variants

986 Hi-Clearhigh clearanceReference

Engine

International Harvester 7.1L 6-cyl dieselReference

Drawbar (claimed)68.6 kWReference

Drawbar (tested)67.2 kWReference

International Harvester D-436Reference

dieselReference

6-cylinderReference

liquid-cooledReference

Displacement7.1 LReference

Bore/Stroke109 x 127 mmReference

Air cleanerdual dry elementReference

Rated RPM2400Reference

Coolant capacity24.6 LReference

Oil capacity13.2 LReference

Power at rated engine speed78.8 kWReference

Max power67.2 kWReference

Transmission

16-speed two-speed power shiftReference

TransmissionTorque AmplifierReference

Typetwo-speed power shiftReference

Gears16 forward and 8 reverseReference

Oil capacity85.2 LReference

Oil typeIH Hy-Tran/B-6Reference

The transmission features three ranges (low, high, and reverse) with four gears (1-4) 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)78.3 kWReference

PTO (tested)78.8 kWReference

Hydraulic system85.2 LReference

Typeopen centerReference

Typeclosed centerReference

Capacity85.2 LReference

Valves2Reference

Rear TypeIIReference

Rear lift (at 24"/610mm)2612 kgReference

Rear PTOindependentReference

Rear PTO Type540/1000 (1.375)Reference

Engine RPM540@2100Reference

Engine RPM1000@2100Reference

Power at rated PTO speed78.8 kWReference

Capacities

Fuel189.2 LReference

Fuel83.3 LReference

Dimensions

Wheelbase266 cmReference

Wheelbase256 cmReference

Wheelbase251 cmReference

Wheelbase269 cmReference

Weight10500 to 13030 poundsReference

Front tire10.00-16Reference

Rear tire18.4-38Reference

Ag front10.00-16Reference

Ag rear18.4-38Reference

Length424 cmReference

Length414 cmReference

Length429 cmReference

Width259 cmReference

Height (cab)284 cmReference

Height (cab)317 cmReference

Ground clearance33 cmReference

Ground clearance66 cmReference

Bar rear axle82 mmReference

Shipping4762 kgReference

Shipping5601 kgReference

Operating5910 kgReference

986 Serial Number Location

Rear frame, right side in front of rear axle.Reference

986 Serial Numbers

19768601Reference

197711145Reference

197815624Reference

197919288Reference

198022696Reference

198125220Reference

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 Torque Amplifier 2WDSeptember 15 - 29, 1977Link: Nebraska Tractor Test 1255 fileReference

PTO performanceReference

Fuel use27.3 l/hourReference

Fuel use25.7 l/hourReference

Drawbar performanceReference

Fuel use26.9 l/hourReference

Gear 4-Low-Direct used for power test.Reference

Max pull5523 kgReference

Gear 2-Low-Direct used for pull test.Reference

Speeds

18.4-34 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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