John Deere 9870 STS Combine: Specs, Problems, and Tips

John Deere 9870 STS Combine: A Comprehensive Overview

The John Deere 9870 STS combine is a powerhouse in the agricultural sector, designed for those who demand efficiency and performance in their harvesting operations. This machine is not just a piece of equipment; it’s a critical ally for farmers looking to maximize their yield while minimizing downtime. With its advanced technology and robust design, the 9870 STS stands out in a crowded field of combines.

Performance and Efficiency

At the heart of the 9870 STS is its ability to deliver exceptional performance across various crop types. This combine is engineered with a high-capacity grain tank and an efficient unloading system, allowing operators to keep the harvest moving without frequent interruptions. The machine’s unique Single-Tine Separator (STS) technology enhances grain quality by reducing damage and ensuring a cleaner sample. This means that farmers can expect not only higher yields but also better-quality grain, which can significantly impact market value.

The 9870 STS is equipped with a powerful engine that provides the necessary horsepower to tackle even the toughest harvesting conditions. This power translates into faster ground speeds and improved productivity, making it an ideal choice for large-scale operations. Additionally, the combine’s advanced hydrostatic drive system ensures smooth operation, allowing for precise control in the field.

Technology Integration

One of the standout features of the John Deere 9870 STS is its integration of cutting-edge technology. The machine comes equipped with the John Deere GreenStar system, which offers real-time data on crop yield, moisture levels, and machine performance. This data-driven approach allows farmers to make informed decisions, optimizing their harvesting strategies and improving overall efficiency.

Moreover, the 9870 STS supports AutoTrac technology, enabling hands-free steering. This feature not only reduces operator fatigue but also enhances accuracy, ensuring that every inch of the field is harvested efficiently. The combine’s user-friendly interface makes it easy for operators to access vital information and adjust settings on the fly, further streamlining the harvesting process.

Comfort and Usability

Comfort is another critical aspect of the 9870 STS design. The spacious cab is equipped with ergonomic controls and advanced climate control systems, providing a comfortable working environment for long hours in the field. The visibility from the cab is excellent, allowing operators to monitor their surroundings and make quick adjustments as needed.

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In summary, the John Deere 9870 STS combine is a formidable machine that combines power, efficiency, and advanced technology. It is designed for serious farmers who are looking to enhance their harvesting operations and achieve better results in the field. Whether you’re dealing with a large acreage or challenging crop conditions, the 9870 STS is built to deliver.

John Deere 9870 STS Combine Specs

The John Deere 9870 STS combine is engineered for high performance and efficiency, making it a top choice for farmers who need to maximize their harvesting capabilities. Below, we delve into the detailed specifications that make this machine a standout in the field.

Engine Specifications

The engine is the heart of any combine, and the 9870 STS does not disappoint. Here’s a breakdown of its engine specifications:

Specification Details
Engine Type John Deere PowerTech PSS 9.0L
Horsepower 350 hp (261 kW)
Fuel Type Diesel
Max Torque 1,200 Nm
Emission Rating Tier 4 Final

Dimensions

Understanding the dimensions of the 9870 STS is crucial for assessing its suitability for your operations. Here are the key measurements:

Dimension Measurement
Overall Length 30.8 ft (9.4 m)
Overall Width 12.5 ft (3.8 m)
Overall Height 12.1 ft (3.7 m)
Wheelbase 12.5 ft (3.8 m)
Ground Clearance 1.5 ft (0.46 m)

Weight

Weight plays a significant role in the performance and stability of a combine. Here’s how the 9870 STS stacks up:

Weight Specification Value
Operating Weight 36,000 lbs (16,329 kg)
Maximum Load Capacity 12,000 lbs (5,443 kg)
Grain Tank Capacity 350 bushels (12,300 liters)

Working Specifications

The working specifications of the 9870 STS highlight its capabilities in the field. Here’s what you need to know:

Working Specification Details
Header Width 30 ft (9.1 m) standard, up to 40 ft (12.2 m) available
Harvesting Speed Up to 5 mph (8 km/h)
Unloading Rate 3.5 bushels/sec (0.12 m³/sec)
Separation System Single-Tine Separator (STS)
Grain Loss Sensor Yes

The John Deere 9870 STS combine is built to handle the rigors of modern farming, combining power, efficiency, and advanced technology to deliver exceptional results. Whether you’re working with grains, beans, or other crops, this combine is designed to meet the demands of the field.

Common Problems and Recommendations for the John Deere 9870 STS Combine

While the John Deere 9870 STS combine is a robust machine designed for high performance, like any piece of equipment, it is not without its challenges. Understanding these potential problems and how to address them can help ensure that your harvesting operations run smoothly.

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Common Problems

Despite its reputation for reliability, users have reported several issues with the 9870 STS. Here are some of the most common problems:

  • Grain Loss: One of the most significant concerns for operators is grain loss during harvesting. This can occur due to improper settings or mechanical issues.
  • Clogging: The combine can experience clogging in the grain tank or the unloading auger, especially in wet or high-moisture conditions.
  • Electrical Issues: Some operators have reported electrical malfunctions, which can affect various systems, including the display and control functions.
  • Hydraulic Problems: Hydraulic leaks or failures can lead to reduced performance and increased downtime, impacting overall productivity.
  • Wear and Tear: As with any heavy machinery, components such as belts, chains, and bearings can wear out over time, leading to potential breakdowns.

Recommendations for Maintenance and Operation

To mitigate these issues and enhance the performance of the John Deere 9870 STS, consider the following recommendations:

Regular Maintenance

  • Conduct routine inspections of all mechanical components, including belts, chains, and bearings, to identify wear before it leads to failure.
  • Change the engine oil and filters regularly to ensure optimal engine performance and longevity.
  • Check hydraulic fluid levels and inspect for leaks to maintain hydraulic system efficiency.

Adjust Settings Properly

  • Ensure that the combine is calibrated correctly for the specific crop type and conditions to minimize grain loss.
  • Adjust the rotor speed and concave clearance based on the crop being harvested to optimize separation and reduce damage.
  • Monitor the grain loss sensor and make adjustments as needed during operation to keep losses to a minimum.

Addressing Clogging Issues

  • Keep the unloading auger clean and free of debris to prevent clogging during operation.
  • In wet conditions, consider slowing down the harvesting speed to reduce the likelihood of clogging.
  • Regularly inspect the grain tank for blockages and clear them promptly to maintain efficient operation.

Utilize Technology

  • Make full use of the John Deere GreenStar system to monitor performance metrics and make data-driven decisions in real-time.
  • Stay updated with software updates to ensure that all electronic systems function correctly and efficiently.

By being proactive about maintenance and operation, you can significantly reduce the likelihood of encountering problems with the John Deere 9870 STS combine. Implementing these recommendations will help you maximize your investment and ensure that your harvesting operations remain productive and efficient.

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