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In modern agriculture, the role of combines in harvesting crops efficiently and effectively is paramount. When it comes to selecting the right combine for your farming operation, John Deere combine stands out as a trusted and reputable brand known for its innovative technologies and reliable machinery. With a range of combine models available, it is essential to compare and evaluate the different options to determine the best fit for your specific needs.

Let’s compare and contrast a few popular models of John Deere combines to help you make an informed decision. We will compare the S780, X9 1100, and T670 combines, focusing on their key features, performance, and suitability for different farming operations.

John Deere S780 Combine

s780The John Deere S780 combine is part of the S Series, which is known for its advanced technology and exceptional harvesting performance.

  1. Key Features:
  • ActiveVision™ Camera Technology: Provides a clear view of the tailings and clean grain elevators, improving productivity and efficiency.
  • Combine Advisor™: Utilizes machine learning to optimize settings for specific crops and field conditions.
  • HarvestSmart™ system: Automatically adjusts ground speed to maintain consistent crop flow, minimizing grain loss.
  • Active Yield™ system: Accurately measures and records grain yield in real-time, providing valuable data for decision-making.
  1. Performance:
  • High-capacity feeding system and large cleaning shoe for efficient threshing and separation.
  • Superior residue management with features like PowerCast™ tailboard or Advanced PowerCast™ tailboard.
  • Enhanced grain handling system for increased capacity and improved grain quality.
  • Suitable for large-scale farming operations with high productivity demands.

John Deere X9 1100 Combine

X91100The John Deere X9 1100 combine is part of the X Series, designed to deliver high capacity and versatility in a wide range of crop types and field conditions.

  1. Key Features:
  • Active Terrain Adjustment™ system: Automatically adjusts the combine’s cleaning system and chassis to optimize performance on uneven terrain.
  • XStream™ cleaning system: Provides superior cleaning performance, reducing grain loss.
  • HydraFlex™ Draper Header: Enables smooth and precise harvesting even in uneven and difficult conditions.
  • Combine Advisor™: Offers automated recommendations for optimal settings based on crop and field conditions.
  1. Performance:
  • Dual separator technology for improved grain handling capacity and efficiency.
  • Increased threshing and separation area for faster harvesting and reduced losses.
  • Enhanced residue management with the PowerFold® Grain Tank Extensions.
  • Suitable for a wide range of crops and field sizes, including large-scale operations.

John Deere T670 Combine

t670The John Deere T670 combine is part of the T Series, designed for small to medium-sized farming operations, offering simplicity, durability, and ease of operation.

  1. Key Features:
  • ProDrive™ Transmission: Provides smooth and efficient power transfer, allowing operators to adjust ground speed on the go.
  • Dyna-Flo™ Plus Cleaning System: Delivers excellent cleaning performance, minimizing grain loss.
  • AutoTrac™ guidance system: Ensures precise harvesting, reducing overlap and optimizing efficiency.
  • CommandCenter™ display: Offers intuitive control and easy monitoring of machine performance.
  1. Performance:
  • Efficient threshing and separation system for optimal grain quality and capacity.
  • Smaller overall size for maneuverability in smaller fields and storage spaces.
  • Comfortable and user-friendly cab for improved operator experience.
  • Suitable for small to medium-sized farming operations with moderate productivity requirements.

It is important to note that the selection of the right combine model depends on various factors such as field size, crop type, harvesting requirements, and budget. Consider your specific needs and consult with a John Deere dealer to determine the most suitable combine model for your farming operation.

Comparison and Considerations

Now that we have explored the key features and performance of the John Deere S780, X9 1100, and T670 combines, let’s compare them in terms of specific criteria and considerations.

  1. Harvesting Capacity:
  • The S780 and X9 1100 combines offer high-capacity harvesting with larger threshing and separation areas. They are well-suited for large-scale farming operations with high productivity demands.
  • The T670 combine, while smaller in size, still delivers efficient threshing and separation for small to medium-sized farming operations.

Crop Versatility:

  • The X9 1100 combine excels in handling a wide range of crop types and field conditions, thanks to its versatile cleaning system and Active Terrain Adjustment™ feature.
  • The S780 combine is also capable of handling various crops, but it may be more focused on specific crops and field conditions based on its advanced technology features.
  • The T670 combine is suitable for different crops, but it is particularly well-suited for grains and crops commonly found in smaller farming operations.

Advanced Technology:

  • Both the S780 and X9 1100 combines feature advanced technologies like ActiveVision™ Camera, Combine Advisor™, and automated recommendations for optimal settings. These technologies contribute to improved efficiency and productivity.
  • The T670 combine offers a range of technological features such as AutoTrac™ guidance and the Command Center™ display, providing operational convenience and precision.

Budget and Investment:

  • The S780 and X9 1100 combines are higher-end models with advanced features, which may result in a higher initial investment compared to the T670 combine.
  • However, it’s important to consider the long-term return on investment and the benefits of increased efficiency and productivity when evaluating the overall value of each model.

Field Size and Maneuverability:

  • The X9 1100 combine is designed for larger fields and provides excellent maneuverability with its dual separator technology and HydraFlex™ Draper Header.
  • The S780 combine is also suitable for larger fields but may have slight limitations in extremely tight or compact areas.
  • The T670 combine’s smaller size makes it highly maneuverable in smaller fields and areas with limited access.


When selecting a John Deere combine model, it is crucial to evaluate your specific farming operation’s needs and requirements. The S780, X9 1100, and T670 combines each offer unique features and performance capabilities suited to different applications.

  • Choose the S780 combine if you have a large-scale farming operation with high productivity demands and can benefit from advanced technology and efficiency.
  • Opt for the X9 1100 combine if you require versatility in handling various crop types and field conditions, along with high capacity and advanced features.
  • Consider the T670 combine if you have a small to medium-sized farming operation and prioritize simplicity, durability, and ease of operation.

Consult with a John Deere dealer to discuss your specific needs, budget, and farming requirements. They can provide personalized guidance and help you make an informed decision based on their expertise and knowledge of your local conditions. Remember, selecting the right combine is crucial for maximizing productivity and profitability in your farming operation.