Case IH 1666 Combine Parts

1666 parts and accessories

The Case IH 1666 combine, manufactured from 1985-1992, was a popular choice for farmers seeking a reliable and versatile machine. Boasting a robust 165 HP engine and available header widths up to 30 feet, the 1666 utilized a conventional cylinder/walker separation system. Its reputation for simplicity and durability made it a workhorse in grain harvesting operations.

Introduced in 1985, the Case IH 1666 was a mid-sized combine designed to offer a balance of performance and affordability. Powering the 1666 was an International Harvester DT-402 naturally aspirated diesel engine, producing 165 horsepower with a displacement of 402 cubic inches. The combine features a conventional threshing system with a 30-inch diameter cylinder and six straw walkers for separation. Its grain tank held approximately 185 bushels, and unloading speeds reached around 80 bushels per minute. Available header widths ranged from 13 to 30 feet, accommodating various field sizes and crop types. Optional features included a straw chopper or spreader, and the cab offered basic operator comfort with controls for machine functions. The Case IH 1666 performed exceptionally well in harvesting wheat, soybeans, corn, and other small grains, gaining a reputation for its dependability and ease of maintenance.

Specifications

Engine	International Harvester DT-402 165 HP 402ci Diesel
Separator Type	Conventional - 30-inch Cylinder
Grain Tank	185 bushels
Unloading Rate	80 bu/min
Header Widths	13-30 ft
Fuel Capacity	95 gallons
Weight	17,500 lbs
Years Produced	1985-1992

Maintenance Tips

Regularly inspect and adjust the concave clearance to optimize threshing performance and minimize grain loss.
Check and maintain proper tension on all belts and chains, replacing them as needed to prevent breakdowns during harvest.
Clean the sieves and chaffer frequently to remove debris and ensure efficient grain separation.
Grease all bearings according to the manufacturer's recommendations to prevent premature wear and extend component life. Consider performing pre-season bearing maintenance.

History & Background

The Case IH 1666 was introduced in 1985 as part of the 1600 series combines. It offered a blend of traditional combine design with improvements in capacity and efficiency over previous models. The 1666 played a significant role in providing farmers with a reliable harvesting solution during its production years.

Frequently Asked Questions

What engine is in the Case Ih 1666?

The Case IH 1666 is powered by an International Harvester DT-402 naturally aspirated diesel engine producing 165 horsepower with a displacement of 402 cubic inches.

What is the grain tank capacity on a 1666?

The Case IH 1666 has a grain tank capacity of approximately 185 bushels, with an unloading rate of about 80 bushels per minute.

What type of separator does the 1666 have?

The Case IH 1666 utilizes a conventional threshing system. It has a 30-inch diameter cylinder and six straw walkers for separation.

What are common parts needed for the 1666?

Common wear parts for the Case IH 1666 include concaves, rasp bars, belts, chains, bearings, auger fingers, and sickle sections. Regular replacement of these parts is essential for maintaining optimal performance.

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