Case IH 1566 Tractor Parts
1566 parts and accessories
The Case IH 1566 tractor, manufactured from 1973 to 1976, was a popular choice for farmers seeking a powerful and reliable machine. Powered by an International Harvester DT-414 turbocharged diesel engine producing approximately 145 horsepower, the 1566 delivered ample power for demanding tasks. Its robust design and impressive PTO horsepower made it a workhorse in fields across the nation.
The Case IH 1566 tractor was introduced in 1973 and continued production through 1976. This model was a key part of International Harvester's lineup, providing farmers with a powerful and versatile tractor for a range of applications. It was equipped with an International Harvester DT-414 6.8L (414 cu in) turbocharged diesel engine, delivering around 145 engine horsepower. The transmission was typically a gear-type transmission with options including 8 forward and 4 reverse speeds or a Torque Amplifier transmission. The PTO horsepower was rated at approximately 130 HP at 1000 RPM. The hydraulic system had a capacity of around 15 GPM, powering two remote hydraulic valves. The 3-point hitch was a Category II hitch. The 1566 found common application in row crop farming, hay production, livestock operations, and tillage. What distinguished it from other models in the IH lineup was its increased horsepower and heavier-duty components, allowing it to handle more demanding tasks than smaller tractors while remaining more economical than larger, more complex machines.
Specifications
| Engine | International Harvester DT-414 145 HP 414 cu in Diesel |
|---|---|
| PTO HP | 130 HP @ 1000 RPM |
| Transmission | Gear 8F/4R or Torque Amplifier |
| Hydraulics | 15 GPM, 2 remotes |
| 3-Point Hitch | Category II, 6,200 lbs lift capacity |
| Fuel Capacity | 46 gallons |
| Weight | 13,735 lbs |
| Years Produced | 1973-1976 |
Maintenance Tips
- Change engine oil and filter every 125-250 hours, depending on operating conditions. Use the recommended SAE grade oil for your climate.
- Inspect and maintain hydraulic fluid levels regularly. Check for leaks in hoses and fittings, and replace the hydraulic filter according to the manufacturer's recommendations to prevent contamination.
- Use a fuel stabilizer during seasonal storage to prevent fuel degradation and keep the fuel system clean. Also, drain any water from the fuel/water separator.
- Check and clean or replace the air filter regularly to ensure proper engine performance and prevent damage from dust and debris.
History & Background
The Case IH 1566 was introduced in 1973 as part of International Harvester's "66 Series" tractors. These tractors were known for their improved operator comfort and hydraulic performance compared to previous models. The 1566 became a popular choice among farmers due to its reliability and power for a wide range of farming tasks.
Frequently Asked Questions
What engine is in the Case Ih 1566?
The Case IH 1566 is equipped with an International Harvester DT-414 6.8L (414 cu in) turbocharged diesel engine, producing approximately 145 horsepower.
What is the PTO horsepower on a 1566?
The PTO horsepower of the Case IH 1566 is approximately 130 HP at 1000 RPM.
What oil filter fits the 1566?
The Case IH 1566 typically uses an oil filter equivalent to a Fram PH25 or a Wix 51794. Always verify compatibility with your specific tractor's manual.
What are common parts needed for the 1566?
Common wear parts for the Case IH 1566 include engine oil filters, fuel filters, air filters, belts, hydraulic seals, steering components, clutch parts, and replacement tines for tillage implements.

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