International Harvester A-986 Specs ( 1978-1981 )
Overview
The International Harvester A-986 is a row-crop tractor produced in Geelong, Australia, between 1978 and 1981 with a limited production run of 492 units. It features a 5.9L turbocharged 6-cylinder diesel engine rated at 133 hp and a 16-speed two-speed power shift transmission. The machine is configured with a standard air-conditioned cab, hydraulic disc brakes, and a 105-inch wheelbase.
Ideal Applications
Power and Performance Ratings:
The DT-358 engine is rated at 133 hp at 2500 RPM, with claimed power outputs of 115 hp at the PTO and 103 hp at the drawbar.
Transmission and Drive Configuration:
The tractor is equipped with a Torque Amplifier two-speed power shift transmission offering 16 forward and 8 reverse gears and features a two-wheel drive system with bull gear final drives.
Physical Chassis Specifications:
This row-crop model has a shipping weight of 12200 lbs, a ground clearance of 15 inches, and is equipped with an electro-hydraulic rear differential lock.
Production
| Description | Row-Crop tractor / Built in Geelong, Australia |
|---|---|
| Manufacturer | International Harvester |
| Total built | 492 |
Engine
| Engine type | International Harvester 5.9L 6-cyl diesel |
|---|---|
| Bore/Stroke | 3.875x5.0625 inches (98 x 129 mm) |
| Description | International Harvester DT-358 / turbocharged diesel / 6-cylinder / liquid-cooled inline |
| Displacement | 358 ci (5.9 L) |
| Power | 133 hp (99.2 kW) |
| Rated RPM | 2500 |
| Starter | electric |
| Starter volts | 12 |
| Torque | 332 lb-ft (450.2 Nm) |
| Torque RPM | 1600 |
| Drawbar (claimed) | 103 hp (76.8 kW) |
| PTO (claimed) | 115 hp (85.8 kW) |
Transmission
| Clutch | 356mm cerametallic disc |
|---|---|
| Gears | 16 forward and 8 reverse |
| Transmission | Torque Amplifier |
| Transmission type | 16-speed two-speed power shift |
| Type | two-speed power shift |
Mechanical
| Cab | Cab standard with air-conditioning. |
|---|---|
| Description | Power steering / Hydraulic disc brakes |
| Differential lock | electro-hydraulic rear |
| Drive type | Two-wheel drive |
| Final drives | bull gear |
Electrical
| Batteries | 2 |
|---|---|
| Battery volts | 12 |
| Ground | negative |
Dimensions & Tires
| Ground clearance | 15 inches (38 cm) |
|---|---|
| Height (cab) | 114 inches (289 cm) |
| Length | 159 inches (403 cm) |
| Shipping weight | 12200 lbs (5533 kg) |
| Wheelbase | 105 inches (266 cm) |
| Width | 102 inches (259 cm) |
| Weight | 12200 lbs (5533 kg) |
| Wheelbase | 105 inches (266 cm) |
References
| Description | 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. |
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