Tractor · 1976Unverified
International Harvester 986
International Harvester 986 — 86 Series · 106 hp. Reference specifications; pending source verification.
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
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.