Case IH 986 Tractor Parts
986 parts and accessories
The Case IH 986 tractor, manufactured from 1976 to 1981, was a versatile workhorse known for its reliable performance. Powered by a 93 horsepower IH D-358 diesel engine, it provided ample power for a variety of farming tasks. Its robust design and approximately 80 PTO horsepower made the 986 a favorite among farmers for tillage, planting, and haying operations.
The Case IH 986 was part of the International Harvester '86 Series, introduced in 1976 as a replacement for earlier models. Production ran through 1981. The 986 features an International Harvester D-358 diesel engine, a 358 cubic inch (5.9L) inline six-cylinder powerplant producing approximately 93 horsepower. It’s a direct injection engine known for its torque and fuel efficiency. Transmission options included a gear-drive transmission with either 8 forward and 4 reverse speeds, or an optional 16 forward and 8 reverse speed Torque Amplifier (TA) transmission for on-the-go shifting. The PTO delivers around 80 horsepower, with a standard 540 RPM PTO and an optional 1000 RPM PTO available. The hydraulic system has a capacity of approximately 16 GPM, powering two or three remote valves for implements. The 3-point hitch is a Category II, providing a lift capacity of around 5,500 lbs. The 986 was widely used for row crop operations, hay baling, livestock feeding, and various tillage tasks. It stood out in the lineup for its balance of power, size, and features, offering a step up in performance from smaller models while remaining more compact and maneuverable than larger machines.
Specifications
| Engine | International Harvester D-358 93 HP Diesel |
|---|---|
| PTO HP | 80 HP @ 540/1000 RPM |
| Transmission | Gear Drive (8x4) or Torque Amplifier (16x8) |
| Hydraulics | 16 GPM, 2-3 remotes |
| 3-Point Hitch | Category II, 5500 lbs lift |
| Fuel Capacity | 33 gallons |
| Weight | 8,500 lbs |
| Years Produced | 1976-1981 |
Maintenance Tips
- Change engine oil and filter every 250 hours using appropriate oil for diesel engines.
- Regularly inspect and maintain the hydraulic system, checking for leaks and changing hydraulic filters according to the manufacturer's recommendations.
- Keep the fuel system clean by using quality fuel and replacing fuel filters at recommended intervals to prevent injector issues.
- Before seasonal storage, drain fluids, lubricate grease fittings, and protect the tractor from the elements to prevent corrosion and deterioration.
History & Background
Introduced in 1976, the Case IH 986 was part of the International Harvester '86 series, representing a significant upgrade in design and functionality compared to previous models. While no major redesigns occurred during its production run, the 986 became a popular and reliable choice for farmers, contributing to International Harvester's reputation for building durable and capable agricultural tractors.
Frequently Asked Questions
What engine is in the Case Ih 986?
The Case IH 986 is powered by an International Harvester D-358 diesel engine, which produces approximately 93 horsepower and has a displacement of 358 cubic inches (5.9L).
What is the PTO horsepower on a 986?
The PTO horsepower on a Case IH 986 is approximately 80 HP. It is available with a standard 540 RPM PTO and an optional 1000 RPM PTO.
What oil filter fits the 986?
The Case IH 986 typically uses a Fram PH2951 or equivalent oil filter. Cross-references include Wix 51794, NAPA 1794, and AC Delco PF911.
What are common parts needed for the 986?
Commonly needed parts for the Case IH 986 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic seals, tie rod ends, steering cylinder repair kits, clutch discs, and pressure plates.

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