Case IH 966 Tractor Parts

966 parts and accessories

The Case IH 966 tractor, produced from 1971 to 1976, was a popular choice for farmers needing a reliable workhorse. Powered by an International Harvester DT-414 diesel engine producing approximately 93 horsepower, the 966 delivered robust performance in the field. With a PTO horsepower of around 80, it efficiently handled a variety of implements, contributing to its widespread adoption.

The Case IH 966 was introduced in 1971 as part of the International Harvester's '66 Series' tractors, known for their improved operator comfort and robust design. Production continued through 1976. The heart of the 966 is the International Harvester DT-414 inline 6-cylinder diesel engine, displacing 414 cubic inches and producing approximately 93 engine horsepower. This engine provided ample power for various farm tasks. The transmission was typically a gear-driven unit offering options like 8 forward and 4 reverse speeds (commonly with a TA - Torque Amplifier), providing versatility for different field conditions. The PTO delivered around 80 horsepower at 540 RPM. The hydraulic system had a capacity of around 12 GPM, powering two remote valves. The 3-point hitch was a Category II, with a lift capacity of approximately 4,700 lbs. The 966 found use in a wide array of farming applications, including row crop work, hay baling, livestock feeding, and tillage operations. Its blend of power, reliability, and user-friendly features set it apart from other tractors in its class, offering a balance between performance and cost-effectiveness.

Specifications

Engine	International Harvester DT-414 93 HP Diesel
PTO HP	80 HP @ 540 RPM
Transmission	Gear, 8 Forward / 4 Reverse (TA Optional)
Hydraulics	12 GPM, 2 remotes
3-Point Hitch	Category II, 4700 lbs lift capacity
Fuel Capacity	33 gallons
Weight	9,485 lbs
Years Produced	1971-1976

Maintenance Tips

Change engine oil and filter every 125-250 hours, depending on operating conditions, using a high-quality oil specifically designed for diesel engines.
Regularly inspect and maintain the hydraulic system, checking for leaks and replacing hydraulic filters according to the manufacturer's recommendations to ensure optimal performance.
Keep the fuel system clean and use a fuel additive to prevent gelling during cold weather. Drain any water from the fuel/water separator regularly.
Before seasonal storage, thoroughly clean the tractor, change fluids, grease all fittings, and protect tires from direct sunlight to prevent deterioration.

History & Background

The Case IH 966 debuted in 1971 as a key member of the International Harvester '66 series. These tractors represented a significant step forward in operator comfort and overall design. The 966 quickly gained a reputation for its dependable power and versatile capabilities, solidifying its place as a respected machine in agricultural history.

Frequently Asked Questions

What engine is in the Case Ih 966?

The Case IH 966 is powered by an International Harvester DT-414, a 414 cubic inch displacement, 6-cylinder diesel engine producing approximately 93 horsepower.

What is the PTO horsepower on a 966?

The PTO horsepower on a 966 is approximately 80 HP at 540 RPM. Some models may have had a 1000 RPM PTO option available.

What oil filter fits the 966?

A common oil filter for the 966 is a Wix 51794, a Fram PH25A, or a Baldwin B2. Always verify fitment with your parts supplier based on your specific tractor's configuration.

What are common parts needed for the 966?

Commonly needed parts for the 966 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic seals, steering components (tie rod ends, ball joints), clutch discs and pressure plates, and various gaskets and seals.

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