Tuning the Sany SY135C

2017 Sany SY135C

Excavator – 3.0L – Transtron ECU

The Challenge

This article explores the potential of tuning the Sany SY135C excavator, transforming it from a modest construction machine into a versatile powerhouse. ECU tuning empowers us to fine-tune a broad spectrum of settings, allowing for the customization and optimization of the machine’s performance.

The Sany SY135C belongs to the family of compact fixed boom excavators and is equipped with an Isuzu 4JJ1-FT4 engine managed by its Transtron ECU. In a world where large machines dominate, the need to access confined spaces persists. Not everyone can afford a big machine, but that shouldn’t limit the potential for significant power. Alt Tune’s ECU tuning service enhances the power and reliability of these machines.

The Solution

Through our ECU tuning services, the 4JJ1-FT4 engine can surpass factory standards without the need for additional parts. We make adjustments to the settings in the Sany SY135C’s Transtron ECU using VF2. This ensures that the excavator performs according to your specific requirements. Alt Tune’s custom tuning enhances power and torque output, facilitating a more efficient and expedited workflow.

To bolster the reliability of the Sany SY135C excavator, we’ve developed an emissions solution to address issues with the emission system. Factory emission system settings often lead to problems that compromise the machine’s reliability. These issues can be costly to resolve and may not offer a permanent solution. By integrating our solution into the ECU, your Sany SY135C excavator becomes more efficient and dependable.

Increased Power


Power Increase


Torque Increase

Further Benefits Of Tuning The Sany SY135C

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 the Isuzu 4JJ1-FT4 3.0L 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 Sany 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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