John Deere T660 Combine Parts

T660 parts and accessories

The John Deere T660 combine, produced from approximately 2012 to 2015, offered farmers a powerful and efficient grain harvesting solution. Boasting around 360 engine horsepower and available with header widths up to 40 feet, the T660 featured a robust conventional threshing and separating system. Its reliability and high throughput made it a popular choice for harvesting wheat, soybeans, and other grains.

The John Deere T660 was introduced as part of the T-Series combine lineup, manufactured approximately from 2012 to 2015. Powering the T660 is a John Deere PowerTech 9.0L 6-cylinder diesel engine, delivering approximately 360 horsepower. This engine provides ample power for threshing and separating high volumes of grain. The T660 utilizes a conventional threshing system featuring a high-capacity cylinder and concave. Grain tank capacity is rated at approximately 300 bushels, and the unloading auger achieves a rate of around 3.3 bushels per second (200 bu/min), minimizing downtime during harvest. Available header widths range from 25 to 40 feet, catering to various field sizes and crop types. The T660 offered options for both straw choppers and spreaders to manage residue efficiently. The combine's cab is designed for operator comfort and visibility, featuring advanced controls and monitoring systems. The T660 excels at harvesting small grains like wheat and barley, as well as soybeans and other row crops.

Specifications

Engine	John Deere PowerTech 9.0L 360 HP Diesel
Separator Type	Conventional - 66-inch wide cylinder
Grain Tank	300 bushels
Unloading Rate	200 bu/min
Header Widths	25-40 ft
Fuel Capacity	210 gallons
Weight	Approximately 33,000 lbs
Years Produced	2012-2015 (approximate)

Maintenance Tips

Concave Adjustment: Regularly inspect and adjust concave clearance to ensure proper threshing without excessive grain damage. Refer to the operator's manual for recommended settings based on crop type and conditions.
Belt and Chain Tension: Check belt and chain tension throughout the combine regularly, especially the header drive belt and feeder house chain. Loose belts and chains can cause slippage, reduced performance, and premature wear.
Sieve and Chaffer Cleaning: Clean sieves and chaffers frequently to remove debris and prevent plugging. This ensures optimal cleaning performance and reduces grain loss. Use compressed air or a brush to remove accumulated material.
Bearing Greasing: Follow the recommended greasing schedule in the operator's manual for all bearings. Proper lubrication extends bearing life and prevents costly breakdowns.

History & Background

The John Deere T660 was introduced to provide farmers with a high-capacity, conventional combine option. While not a revolutionary design change, it represented an evolution of Deere's conventional combine technology, focusing on increased throughput and efficiency. The T660 played a significant role in meeting the demands of larger farming operations.

Frequently Asked Questions

What engine is in the John Deere T660?

The John Deere T660 is equipped with a John Deere PowerTech 9.0L 6-cylinder diesel engine, producing approximately 360 horsepower.

What is the grain tank capacity on a T660?

The grain tank capacity of the John Deere T660 is approximately 300 bushels, with an unloading rate of around 200 bushels per minute (3.3 bu/sec).

What type of separator does the T660 have?

The John Deere T660 utilizes a conventional threshing and separating system. It features a 66-inch wide cylinder and concave for effective grain separation.

What are common parts needed for the T660?

Common wear parts for the T660 include concaves, rasp bars, belts (header, feeder house, separator), chains (feeder house, elevator), bearings, auger fingers (unloading auger, grain tank), and sickle sections (header).

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