2008 John Deere 9870 Combine Specifications and Performance Features
The 2008 John Deere 9870 STS combine is a powerhouse in the world of agriculture machinery. With a 6.8L, 12-cylinder engine generating 305 horsepower, it provides the performance needed for large-scale harvesting operations. This combine is designed for farmers looking to maximize efficiency without sacrificing durability or ease of use.
Equipped with a 300-bushel grain tank and a high-capacity unloading system, the John Deere 9870 can handle even the largest fields. The standard 30-foot cutting platform and advanced threshing technology allow operators to maintain high throughput while minimizing losses. The combine’s advanced monitoring system provides real-time performance data, enabling precise adjustments on the go.
The 2008 9870 also boasts an updated HCC (hydraulic control circuit) system, improving the efficiency of various components like the feeder house and the auger. Operators will appreciate the smooth ride and increased stability thanks to the larger tires and improved suspension, making long hours in the field more comfortable.
Whether you are upgrading or replacing an older model, the 2008 John Deere 9870 combines power, capacity, and efficiency in a way that meets the demands of modern farming.
2008 John Deere 9870 Specs
The 2008 John Deere 9870 combines high performance with durability, making it a top choice for large-scale farming. Equipped with a 12.5L PowerTech Plus engine, it delivers 350 horsepower, allowing for powerful harvesting operations even under tough conditions.
The machine features a 300-bushel grain tank, providing ample capacity for efficient harvesting. A large unloading auger ensures quick unloading with minimal downtime. The 9870 is also equipped with the Advanced Hydraulic System (AHS) that enables optimal flow management for the headers and other key components, enhancing overall operation efficiency.
With its 5.0-meter (16.5-foot) cutting width, the 9870 allows for faster harvesting, reducing the time spent in the field. The 4WD drivetrain ensures reliable traction on a variety of terrain, ensuring consistent performance even in less-than-ideal field conditions.
The machine’s CommandCenter display provides operators with easy access to machine diagnostics, allowing for real-time adjustments to optimize performance. This user-friendly interface simplifies the decision-making process, making the operator’s role more intuitive and less time-consuming.
Additional features include the Active Terrain Adjustment (ATA), which automatically adjusts settings based on field conditions to maintain optimal performance, and a comfortable operator cabin designed to reduce fatigue during long hours of operation.
Engine Specifications and Power Output of the 2008 John Deere 9870
The 2008 John Deere 9870 is powered by a 9.0L 6-cylinder, turbocharged engine. It provides 370 horsepower at peak output, ensuring excellent performance under heavy workloads.
This engine is designed to meet high demands, offering impressive fuel efficiency and reliable power across varied conditions. The engine is paired with a PowerTech Plus electronic fuel injection system, which enhances its fuel delivery, contributing to better overall engine responsiveness.
Key engine specs include:
- Engine model: John Deere 9.0L 6-cylinder turbocharged
- Power output: 370 horsepower
- Peak torque: 1,320 lb-ft at 1,500 rpm
- Fuel type: Diesel
- Air-to-air aftercooling
- Compression ratio: 16.5:1
- Cooling system: Radiator with pressurized system
The high torque output ensures efficient harvesting even in challenging conditions. Its ability to maintain consistent power enables continuous operation with minimal interruptions. Engine maintenance is simplified by the accessible design, allowing operators to easily manage routine checks and servicing.
The performance of this engine is further enhanced by the combination of the efficient transmission system and the advanced fuel management, contributing to improved fuel consumption per acre of harvested crop.
Harvesting Performance: Capacity and Throughput of the 2008 John Deere 9870
The 2008 John Deere 9870 STS combines a powerful harvesting system designed to maximize throughput and capacity. Equipped with a 330-bushel grain tank, this model delivers impressive performance for large-scale operations. The combine’s throughput rate can reach up to 250 bushels per hour, depending on crop conditions and field layout.
The 9870’s Advanced PowerCast tailings system ensures high throughput by efficiently managing crop flow and minimizing loss. It allows operators to maintain a consistent speed while managing a range of crop types, from corn to soybeans. The integrated AutoTrac system supports smoother operation, reducing operator fatigue and increasing productivity.
The combine’s feeder house features a high-efficiency auger and optional variable-speed drive, enhancing the intake and crop handling. With an 18″ feeder chain and a wide intake width, the 9870 can manage dense crops without compromising performance. Its 5.7-liter engine, rated at 350 horsepower, provides the necessary power to handle demanding conditions without losing momentum.
For field operations requiring maximum capacity, the 9870 excels with its unloading rate of up to 3.0 bushels per second, reducing downtime and allowing for continuous work without frequent unloading. The large capacity grain tank further supports long harvesting runs with fewer stops for emptying.
Efficiency extends to the cleaning system, with a high-capacity chaffer and sieve setup that can maintain clean grain even in challenging conditions. Operators can fine-tune settings using the combine’s intuitive CommandCenter interface to match crop and environmental conditions, optimizing throughput and reducing losses.
The John Deere 9870 STS combines robust performance with practical features that make it a reliable choice for large-acreage farming operations aiming for high throughput and minimal downtime.
Maintenance Requirements and Service Intervals for the 2008 John Deere 9870
Change the engine oil every 250 hours of operation or at the end of each season, whichever comes first. Use the recommended oil grade and filter for optimal performance. Failing to keep the oil clean can result in premature wear of engine components.
The air filter should be inspected after every 100 hours of operation. If it’s dirty or clogged, replace it immediately to prevent dust and debris from damaging the engine. In harsh conditions, check the filter more frequently.
Check the hydraulic system’s fluid level and condition every 100 hours. Replace the hydraulic filter at least every 1,000 hours or annually, depending on usage. Clean the hydraulic cooler to maintain cooling efficiency and avoid overheating.
Inspect the grain tank and unloading system at least every 200 hours for any blockages or wear. Ensure that the unloading auger and elevator chains are lubricated regularly to prevent unnecessary strain on these components.
The drive belts and pulleys should be checked for wear and adjusted as necessary at every service interval. Tighten or replace them if they show signs of damage or excessive wear. Proper tension helps avoid premature belt failure.
Clean the engine radiator and air conditioning condenser every 100 hours to prevent overheating and ensure proper cooling. If operating in particularly dusty or dirty conditions, more frequent cleaning may be necessary.
For the final drives and axle seals, perform an inspection every 1,000 hours. Replace the oil if it becomes contaminated, and check the seals for leaks. These components are critical for the overall functionality of the combine, and regular checks can prevent costly repairs.
Replace the fuel filter every 500 hours or once per season to ensure proper fuel flow and prevent any contamination that could damage the fuel system.
Keep the tire pressure within the manufacturer’s recommended range to ensure proper traction, minimize wear, and maintain fuel efficiency. Check tire pressure at every refueling stop, especially during field operations.
Be sure to inspect and clean the chopper knives regularly. Replace them at 1,000-hour intervals or sooner if they become dull, as this can significantly impact crop quality and efficiency.
Regularly check and calibrate the moisture sensor to ensure accurate readings, especially during harvest. A malfunctioning sensor can lead to poor harvest decisions and lost yield.