Tractor · 1976Unverified
International Harvester 1086
International Harvester 1086 — 86 Series · 131 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
131 hp
Max power
84.3 kW
Weight
12300 to 13030 pounds
Hover a source tag to verify
Overview
ManufacturerInternational HarvesterReference
Row-Crop tractorReference
Built in Rock Island, Illinois, USAReference
Total built47,420Reference
Original price was $35,700 in 1981Reference
Two- or four-wheel driveReference
Final drivesbull gearReference
Differential lockmechanical rearReference
Steeringpower assistReference
Hydraulic disc brakesReference
Cab standard with air-conditioning. Open operator station and four-post ROPS available.Reference
Variants
1086 Hi-Clearhigh clearanceReference
Engine
International Harvester 6.8L 6-cyl dieselReference
Drawbar (claimed)85.0 kWReference
Drawbar (tested)84.3 kWReference
International Harvester DT-414Reference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement6.8 LReference
Bore/Stroke109 x 121 mmReference
Air cleanerdual dry elementReference
Rated RPM2400Reference
Coolant capacity23.7 LReference
Oil capacity18.9 LReference
Power at rated engine speed98.0 kWReference
Max power84.3 kWReference
Transmission
8-speed gearReference
16-speed two-speed power shiftReference
TypegearReference
Gears8 forward and 4 reverseReference
Oil capacity85.2 LReference
The transmission features three ranges (low, high, and reverse) with four gears (1-4) in each range. The range and gear can be shifted only when the tractor is stopped.Reference
TransmissionTorque AmplifierReference
Typetwo-speed power shiftReference
Gears16 forward and 8 reverseReference
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)96.9 kWReference
PTO (tested)98.0 kWReference
Hydraulic system85.2 LReference
Typeopen centerReference
Typeclosed centerReference
Capacity85.2 LReference
Valves2Reference
Pump flow45.4 lpmReference
Rear TypeIIIReference
Rear PTOindependentReference
Rear PTO Type540/1000 (1.375)Reference
Engine RPM540@2100Reference
Engine RPM1000@2100Reference
Power at rated PTO speed99.7 kWReference
Capacities
Fuel238.5 LReference
Fuel83.3 LReference
Dimensions
Wheelbase266 cmReference
Wheelbase256 cmReference
Wheelbase251 cmReference
Wheelbase269 cmReference
Weight12300 to 13030 poundsReference
Front tire10.00-16Reference
Rear tire18.4-38Reference
2WD Ag front10.00-16Reference
4WD Ag front13.6-24Reference
Ag rear18.4-38Reference
2WD Length426 cmReference
4WD Length419 cmReference
4WD Length429 cmReference
Width259 cmReference
Width248 cmReference
Height (cab)292 cmReference
Height (cab)320 cmReference
Ground clearance33 cmReference
Ground clearance66 cmReference
Bar rear axle88 mmReference
Shipping5579 kgReference
Shipping5910 kgReference
2WD Operating5767 kgReference
1086 Serial Number Location
Frame, right side ahead of the rear axle.Reference
1086 Serial Numbers
19768601Reference
197714725Reference
197825672Reference
197934731Reference
198042186Reference
198151671Reference
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 16-speed 2WDJune 2 - 14, 1977Link: Nebraska Tractor Test 1247 fileReference
PTO performanceReference
Fuel use32.6 l/hourReference
Fuel use31.0 l/hourReference
Drawbar performanceReference
Fuel use32.2 l/hourReference
Gear 1-Hi-TA used for power test.Reference
Max pull6124 kgReference
Gear 2-Lo-DD used for pull test.Reference
Speeds
With 18.4-38 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.