International Harvester A-986
Power
133 hp
Production
1978-1981
Engine
Turbocharged diesel, 6-cylinder
Transmission
Torque Amplifier
Weight
12200 lbs [5533 kg]
Drive
2WD
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Introduction
International Harvester A-986 Row-Crop Tractor
The International Harvester A-986 is a row-crop tractor manufactured in Geelong, Australia, between 1978 and 1981. This two-wheel drive machine was engineered for demanding agricultural operations, combining structural durability with mechanical versatility.
Engine and Performance
The tractor is powered by the International Harvester DT-358, a 5.9-liter, liquid-cooled, 6-cylinder turbocharged diesel engine. It generates 133 horsepower at a rated speed of 2500 RPM, with a peak torque of 450.2 Nm achieved at 1600 RPM. This power delivery provides the necessary force for heavy traction and implement operation.
Transmission and Drivetrain
The A-986 utilizes a two-speed power shift transmission providing 16 forward and 8 reverse gears. It incorporates a Torque Amplifier and a 356 mm cerametallic clutch disc, which allow for efficient power management and smooth gear transitions under varying load conditions.
Mechanical Systems and Operator Environment
Standard mechanical features include power steering and hydraulic disc brakes for precise maneuvering. The unit is equipped with an electro-hydraulic rear differential lock to improve traction in adverse field conditions. The operator station consists of a factory-fitted cab featuring air-conditioning as standard equipment to improve comfort during extended operation.
Dimensions and Specifications
The tractor features a 266 cm wheelbase and an overall length of 403 cm. It has a ground clearance of 38 cm, facilitating its use in row-crop applications. The shipping weight is 5533 kg, ensuring a stable base for field tasks.
Conclusion
The International Harvester A-986 is a specialized row-crop tractor designed for mid-range agricultural tasks. Its combination of a turbocharged engine, multi-speed transmission, and climate-controlled cab makes it a robust choice for farmers seeking durability and consistent performance in the field.
Production Information of International Harvester, A-986
- Row-Crop tractor
- Built in Geelong, Australia
| Manufacturer | International Harvester |
|---|---|
| Total built | 492 |
Dimension and Tires Information of International Harvester, A-986
| Wheelbase | 105 inches [266 cm] |
|---|---|
| Shipping weight | 12200 lbs [5533 kg] |
| Height (cab) | 114 inches [289 cm] |
| Length | 159 inches [403 cm] |
| Ground clearance | 15 inches [38 cm] |
| Width | 102 inches [259 cm] |
Engine Specifications of International Harvester, A-986
- International Harvester DT-358
- Liquid-cooled inline
- Turbocharged diesel
- 6-cylinder
| Starter | Electric |
|---|---|
| Displacement | 358 ci [5.9 L] |
| Rated RPM | 2500 |
| Bore/Stroke | 3.875x5.0625 inches [98 x 129 mm] |
| Starter volts | 12 |
| Torque RPM | 1600 |
| Torque | 332 lb-ft [450.2 Nm] |
| Power | 133 hp [99.2 kW] |
Transmission Information of International Harvester, A-986
Transmission variants 1
| Transmission | Torque Amplifier |
|---|---|
| Clutch | 356mm cerametallic disc |
| Type | Two-speed power shift |
| Gears | 16 forward and 8 reverse |
Mechanical Specs of International Harvester, A-986
- Two-wheel drive
- Hydraulic disc brakes
- Power steering
- Cab standard with air-conditioning.
| Final drives | Bull gear |
|---|---|
| Differential lock | Electro-hydraulic rear |
Power Information of International Harvester, A-986
| Engine | 133 hp [99.2 kW] |
|---|---|
| Drawbar (claimed) | 103 hp [76.8 kW] |
| PTO (claimed) | 115 hp [85.8 kW] |
Electrical System of International Harvester, A-986
| Ground | Negative |
|---|---|
| Batteries | 2 |
| Battery volts | 12 |
Where it sits
With 133 HP, the International Harvester A-986 sits between A-886 (121 HP) and A-976 (134 HP) in International Harvester's range. Its power puts it in the 78th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the International Harvester A-986 have?
The International Harvester A-986 delivers 133 HP.
What years was the International Harvester A-986 produced?
The International Harvester A-986 was produced in 1978-1981.
What engine does the International Harvester A-986 have?
The International Harvester A-986 is powered by a Turbocharged diesel, 6-cylinder engine.
What transmission does the International Harvester A-986 use?
The International Harvester A-986 uses a Torque Amplifier transmission.
How much does the International Harvester A-986 weigh?
The International Harvester A-986 weighs 12200 lbs [5533 kg].
Is the International Harvester A-986 4WD?
The International Harvester A-986 is available in 2WD.