Tuning the Caterpillar 326F L. Alt Tune tuned a Caterpillar excavator to increase power and torque

2017 Caterpillar 326FL

Hydraulic Excavator – C7.1 ACERT – A5E2 ECU

The Challenge

This blog post aims to shed light upon the benefits of tuning the Caterpillar 326F L excavator. This strategic investment not only will improve performance but also prove to be a cost-effective measure in the long term.

The Caterpillar 326FL excavator was originally designed for robust power, enabling it to efficiently handle materials with speed and precision throughout extended work periods. Its sturdy frame is specifically engineered to support the heavy-duty cab, emphasizing durability for on-site operations. However, the C7.1 ACERT engine, integral to its functionality, comes with a range of emissions solutions that may lead to issues, causing downtime and financial setbacks.

The Solution

Unlocking the full potential of the C7.1 ACERT engine is achievable through ECU remapping. Accessing the ECU allows us to fine-tune the settings, optimizing the performance of the 326F L excavator according to specific needs and the work environment. We are using Caterpillar ET to gain access and edit the setting in A5E2 ECU. 

Our solutions cater to both power optimization and emissions management. The factory-standard emissions settings can often result in costly issues, both in terms of bills and time. Alt Tunes offers an emissions solution tailored for the Caterpillar 326F L excavator, addressing and eliminating problems associated with its emissions systems.

Increased Power and Torque

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Power Increase


Torque Increase

Further Benefits Of Tuning The Caterpillar 326F L

Increased Power and Torque

With more power and torque, a tuned digger 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 Caterpillar’s C7.1 ACERT engine 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.

So, if you’re looking to take your Caterpillar excavator to the next level, don’t hesitate to reach out to us! Our dedicated team is ready to unleash the full potential of your vehicle and make your driving dreams a reality!


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