Tuning The Freightliner Argosy! This is a 2014 Freightliner Argosy, same model was tuned by Alt Tune

2014 Freightliner Argosy

15L – DD15 in line six-cylinder intercooled turbo diesel – 6×4 – Temic DDEC

The Challenge

In this article, we will explore how tuning the Freightliner Argosy can enhance its efficiency and help avoid future mechanical expenses. The Freightliner Argosy has more potential than what is offered in its factory-standard configuration.

The Freightliner Argosy is a cabover heavy-duty truck originally designed for highway use in the US and Canada. However, due to a decline in the popularity in these markets, production was shifted to focus on exports. Primarily, the truck has been exported to Australia and New Zealand, where it is recognized for its numerous safety features and comfortable sleeper cabin, making it a perfect choice for long-haul journeys.

The Solution

We use Alietech KESS3 to reprogram Argosy’s Temic DDEC ECU with a customized tune. With a custom tune from Alt Tune, your truck can be adapted to your specific requirements. Whether you wish to navigate steep hills more swiftly or haul heavier loads, we can transform your Argosy into your dream truck. By adjusting various parameters in the ECU, the truck can generate more power and torque, facilitating easier hill climbing and heavier load towing. This not only enhances efficiency but also makes driving more enjoyable.

Emission systems in these trucks can sometimes lead to problems and result in costly mechanical repairs. These issues can be preemptively addressed by incorporating Alt Tune’s emission system solution into the custom tune. This solution aligns the emission settings in the ECU with the customized tune, effectively eliminating potential problems.

Increased Power and Torque

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Power Increase


Torque Increase

Further Benefits Of Tuning The Freightliner Argosy

Increased Power and Torque

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

Years of Development

We have been tuning Freigthliner’s 15L diesel 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 Freightliner truck 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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