Tuning the Fendt 824

2021 Fendt 800 Series

824 – 6.1L


 Bosch EDC17CV52

The Challenge

The Fendt 800 Vario series comprises high-horsepower tractors celebrated for their performance and adaptability. However, in this article, we delve into how tuning the Fendt 824 can enhance this popular tractor’s power. This process involves adjusting the engine control unit (ECU) settings to improve the engine’s performance, resulting in increased power and torque, enhanced fuel efficiency, and overall improved drivability.

The Fendt 824 features a 6.1L engine with a rated 246 horsepower. Despite this rating, there is untapped power in the engine. Manufacturers limit the power output with factory ECU settings to sell the same tractor in various markets and offer tractors with different power outputs using the same engine. Another challenge the Fendt 824 faces is the reliability of its emissions systems. Equipped with EGR, DPF, and Adblue (SCR/DEF), these systems are prone to issues that can make the tractor unreliable and costly to repair.

The Solution

To maximize your Fendt 824’s performance, ECU tuning emerges as a highly effective method. At Alt Tune, we customize every tune to suit our customers’ vehicles, working environments, and needs, ensuring the best and safest results for your engine. Our customizations also enable you to optimize your tractor for your specific requirements. For instance, if your tractor is frequently used for towing, we can adjust the ECU settings to optimize it for towing work. ECU tuning enhances the efficiency of your agricultural operation.

While emissions systems can be problematic, we have developed an emissions solution that addresses these issues, as the emission system settings are located in the ECU. With our emissions solution, your Fendt 824 will once again become reliable, saving you time and money on avoidable issues. We use Alientech KESS3 to flash all new ECU settings onto the tractor. With our services, you can unlock your tractor’s full potential and elevate your farming operations.

Increased Power


Power Increase


Torque Increase

Further Benefits Of ECU Tuning The Fendt 824

Increased Power and Torque

With more power and torque, a tuned machine can handle heavier loads and perform tasks more efficiently. It allows the machine to pull or push larger implements, haul heavier loads, and complete tasks faster, resulting in increased productivity.

Years of Development

We have been tuning Fendt’s 6.1L diesel engines for years, and understand how they work as well as the limitation on factory hardware.


Easy and fast programming

Easy, fast and non-evasive via programming the factory-fitted diagnostic port.

Would you like to enhance your customers’ machines the way we’ve enhanced this Fendt 824? Contact us today to learn about becoming a dealer and adding a valuable service to your current business.

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