Case IH 660 Combine Parts
660 parts and accessories
The Case IH 660 combine, produced from 1976 to 1979, was a popular choice for farmers seeking a reliable and versatile harvesting solution. Powered by a robust diesel engine producing around 155 horsepower, it offered a balance of power and efficiency. Available with header widths up to 20 feet and utilizing a conventional separation system, the 660 earned its reputation for its dependable performance across a variety of crops.
The Case IH 660 combine was introduced in 1976 and remained in production until 1979, filling a crucial need for mid-sized farms seeking a capable and dependable harvesting machine. It was powered by an International Harvester DT-414 inline 6-cylinder diesel engine, producing approximately 155 horsepower with a displacement of 414 cubic inches. The 660 employed a conventional threshing system using a 50-inch wide cylinder and walkers for grain separation, known for its effectiveness and relatively simple maintenance. The grain tank capacity was around 160 bushels, and the unloading auger could discharge at a rate of approximately 35 bushels per minute. Available header widths ranged from 13 to 20 feet, catering to diverse field sizes and crop conditions. Chopper and spreader options were available for residue management, and the cab offered basic operator comfort and controls. The Case IH 660 was particularly well-suited for harvesting wheat, soybeans, and corn, delivering consistent performance and efficiency.
Specifications
| Engine | International Harvester DT-414 155 HP 414 cu in Diesel |
|---|---|
| Separator Type | Conventional - 50-inch Cylinder width |
| Grain Tank | 160 bushels |
| Unloading Rate | 35 bu/min |
| Header Widths | 13-20 ft |
| Fuel Capacity | 75 gallons |
| Weight | Approximately 14,000 lbs |
| Years Produced | 1976-1979 |
Maintenance Tips
- Concave Adjustment: Regularly check and adjust concave clearance according to the crop being harvested to optimize threshing and minimize grain loss.
- Belt and Chain Tension: Inspect belt and chain tension frequently, especially during the initial hours of operation, to prevent slippage and ensure efficient power transmission.
- Sieve and Chaffer Cleaning: Clean the sieves and chaffer regularly to remove debris and ensure proper air separation, preventing grain loss over the back.
- Bearing Greasing: Follow the manufacturer's recommended greasing schedule for all bearings to maintain proper lubrication and extend their lifespan.
History & Background
The Case IH 660 was launched in 1976 as a mid-range combine offering a balance of power and capacity for a variety of farming operations. It was a continuation of the IH combine legacy, offering a cost-effective and dependable harvesting solution during its production run. While no major redesigns occurred, the 660 solidified its place as a reliable workhorse during its time.
Frequently Asked Questions
What engine is in the Case Ih 660?
The Case IH 660 is equipped with an International Harvester DT-414 inline 6-cylinder diesel engine, producing approximately 155 horsepower with a displacement of 414 cubic inches.
What is the grain tank capacity on a 660?
The Case IH 660 has a grain tank capacity of approximately 160 bushels, with an unloading rate of around 35 bushels per minute.
What type of separator does the 660 have?
The Case IH 660 utilizes a conventional threshing system, featuring a 50-inch wide cylinder and walkers for efficient grain separation.
What are common parts needed for the 660?
Common wear parts for the Case IH 660 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections.

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