John Deere CTS-II Combine Parts
The John Deere CTS II combine harvester, manufactured from 1994 to 1997, offered farmers a blend of performance and reliability. Powered by a robust engine delivering significant horsepower, it handled a wide range of header widths. Its unique combine threshing system combines conventional and rotary technologies. This model gained popularity for its efficient grain separation and reduced grain loss compared to older conventional models.
The John Deere CTS II was produced from 1994 to 1997, filling a niche between traditional combines and the newer rotary models. It featured a Cummins 8.3L engine producing approximately 275 horsepower, providing ample power for demanding harvesting conditions. The CTS II utilized a unique hybrid separator system - an enhanced conventional cylinder for initial threshing followed by a pair of independent rotary separators for improved grain separation. Grain tank capacity was around 220 bushels, and it could unload at a rate of approximately 2.1 bushels per second or 126 bushels per minute. Available header widths ranged from 20 to 30 feet, accommodating various field sizes and crop types. It offered optional chopper and spreader attachments for residue management. The cab provided a comfortable operator environment, equipped with air conditioning and intuitive controls. The CTS II excelled in harvesting wheat, soybeans, and corn, due to its efficient threshing and separation system.
Specifications
| Engine | Cummins 8.3L 275 HP Diesel |
|---|---|
| Separator Type | Hybrid: Conventional Cylinder w/Twin Rotary Separators |
| Grain Tank | 220 bushels |
| Unloading Rate | 126 bu/min |
| Header Widths | 20-30 ft |
| Fuel Capacity | 150 gallons |
| Weight | Approximately 25,000 lbs |
| Years Produced | 1994-1997 |
Maintenance Tips
- Concave Adjustment: Regularly inspect and adjust concave clearance based on crop type and moisture content to optimize threshing performance and minimize grain damage.
- Belt and Chain Tension: Check and maintain proper tension on all belts and chains, ensuring smooth operation and preventing premature wear. Replace worn belts and chains promptly.
- Sieve and Chaffer Cleaning: Thoroughly clean sieves and chaffers to remove debris and ensure proper airflow for effective grain cleaning and separation.
- Bearing Greasing: Regularly grease all bearings according to the manufacturer's recommendations to prevent friction and extend bearing life.
History & Background
The John Deere CTS II was introduced in 1994 as a transitional model between conventional combines and the increasingly popular rotary designs. It represented a step towards improved grain separation efficiency. The CTS II combined a conventional cylinder for initial threshing with twin rotary separators to reduce grain loss and improve overall harvesting performance.
Frequently Asked Questions
What engine is in the John Deere CTS II?
The John Deere CTS II is equipped with a Cummins 8.3L diesel engine producing approximately 275 horsepower.
What is the grain tank capacity on a CTS II?
The grain tank capacity of the John Deere CTS II is approximately 220 bushels, and the unloading rate is about 126 bushels per minute.
What type of separator does the CTS II have?
The CTS II utilizes a hybrid separator system. It features a conventional cylinder for initial threshing, followed by two independent rotary separators for enhanced grain separation.
What are common parts needed for the CTS II?
Common wear parts for the John Deere CTS II include concaves, rasp bars, belts, chains, bearings, auger flighting/fingers, and sickle sections.

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