International Harvester A-986
The International Harvester A-986 is a tractor produced by International Harvester. It is equipped with a 358 ci 5.9 L engine. The listed engine power is Diesel (listed): 133 hp / 99.2 kW. Transmission: Torque Amplifier. Operating weight: 12200 lbs 5533 kg.
Engine Power
Diesel (listed): 133 hp / 99.2 kW
Transmission
Torque Amplifier
Operating Weight
12200 lbs
5533 kg
Overview
 | 1978 - 1981
86A SeriesRow-Crop tractor
86A Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | International Harvester |
Row-Crop tractor | |
Built in Geelong, Australia | |
Total built | 492 |
International Harvester A-986 Engine | |
|---|---|
International Harvester 5.9L 6-cyl diesel | |
Engine details ...  |
International Harvester A-986 Transmission | |
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16-speed two-speed power shift | |
Transmission details ...  |
International Harvester A-986 Power | |
|---|---|
Engine | 133 hp
99.2 kW |
Drawbar (claimed) | 103 hp
76.8 kW |
PTO (claimed) | 115 hp
85.8 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Final drives | bull gear |
Differential lock | electro-hydraulic rear |
Power steering | |
Hydraulic disc brakes | |
Cab standard with air-conditioning. | |
Dimensions & Tires | |
|---|---|
Wheelbase | 105 inches
266 cm |
Weight | 12200 lbs
5533 kg |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Batteries | 2 |
Battery volts | 12 |
References | |
|---|---|
 | |
International Harvester Australia: Geelong Works by Sarah Tomac* | |
International Harvester Tractors & Equipment in Australia & New Zealand by Graeme Quick | |
Technical Annual published in 1981, by Power Farming | |
*Publication contains known errors. |
Engine
Engine Detail — 358 ci / 5.9 L Diesel
Manufacturer | International Harvester DT-358 |
Configuration | turbocharged diesel, 6-cylinder, liquid-cooled inline |
Displacement | 358 ci
5.9 L |
Bore/Stroke | 3.875x5.0625 inches
98 x 129 mm |
Power | 133 hp
99.2 kW |
Rated RPM | 2500 |
Torque | 332 lb-ft
450.2 Nm |
Torque RPM | 1600 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — Torque Amplifier
Transmission | Torque Amplifier |
Type | two-speed power shift |
Gears | 16 forward and 8 reverse |
Clutch | 356mm cerametallic disc |
Dimensions
International Harvester A-986 Tires |
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Dimensions | |
|---|---|
Wheelbase | 105 inches
266 cm |
Length | 159 inches
403 cm |
Width | 102 inches
259 cm |
Height (cab) | 114 inches
289 cm |
Shipping weight | 12200 lbs
5533 kg |
Ground clearance | 15 inches
38 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for International Harvester A-986 based on its 133 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for International Harvester A-986.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
International Harvester A-986 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for International Harvester A-986.
Converted Equivalents:
Horsepower (HP)133 hp
Kilowatts (kW)99.2 kW
Metric Horsepower (PS / CV)134.8 PS
Direct Competitor Comparison
Compare International Harvester A-986 against same-era industry alternatives in the same horsepower class.
Current Model
International Harvester
International Harvester A-986
Engine Power:Diesel (listed): 133 hp / 99.2 kW
★ Baseline Reference
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