Tuning Accessible
to Everyone!

Mochester 4 (M4 App) is the best app created by the experienced team. The M4 App gives users the opportunity to customize their trucks themselves and enjoy a variety of tuning services based on the chassis number or VIN of your truck. The available app tuning options are frequently updated to include the recent achievements. The most popular M4 App services are DPF delete, DEF delete, EGR delete and SCR delete which are compatible with popular truck brands such as Mack, Volvo and Renault. The M4 App catalog of tuning solutions is constantly expanding, and the latest updates are readily available both - in the app and on the official portal at mochesterapp.com . If you have any questions or problems, our customer support is always ready to help you.

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The M4 App
is a highly professional tool!

Being a result of the extensive experience of configuration engineers, Mochester 4 is designed as a simple replacement for complex Tech Tool software. M4 App solves common problems of Tech Tool, such as erratic application performance, an overloaded user interface and the constant call to search for the actual crack keys. The distinguishing M4 App feature is that it’s totally free, and it offers a reliable, easy-to-use tuning solution for your truck.

The M4 App
is easy to use!

The designers of the app have focused intently on ensuring its stability and reliable operation even in areas with poor internet connections, ensuring a continuous setup with no risk of incomplete tuning or ECU blocking. Remarkably, that the M4 App is free and exclusively designed for Windows users. To access the latest version of the M4 App , visit the official website and download it today.

M4 App
offers amazing benefits!

Gone are the days when you used to visit the dealership or tuning shop and pay a pretty penny for your truck service. The M4 App gives you the power to customize your truck yourself! Should you have any questions, our support team is always ready to walk you through and provide you with a prompt and qualified assistance.
Mochester 4 (M4 App) represents the pinnacle of truck tuning, developed by the professional team. This application is much more than just a tool for tuning and improving such important services as eliminating EGR, SCR, DPF and DEF, it also offers additional improvements of system reconfiguration, returning to the original factory firmware, increasing engine power and much more. The app provides a free feature of error codes reading from your truck engine control unit (ECU), ensuring that your truck runs smoothly.

Download the M4 App from the official Store

Mochester 4

All Services

Remote tuning via M4 for customized performance enhancements

Remote Tuning

Remote tuning via M4 for customized performance enhancements.

Improve fuel efficiency and power with our DPF delete service

DPF Delete

Improve fuel efficiency and power with our DPF delete service.

Boost engine performance by eliminating EGR system restrictions

EGR Delete

Boost engine performance by eliminating EGR system restrictions.

Enhance engine function with DEF/SCR system removal

DEF/SCR Delete

Enhance engine function with DEF/SCR system removal.

Reduce overhead with our efficient urea delete service

UREA Delete

Reduce overhead with our efficient urea delete service.

Maximize horsepower for optimal engine output

HP Uprate

Maximize horsepower for optimal engine output.

Restore original performance with ECU stock setting reinstatement

ECU Stock

Restore original performance with ECU stock setting reinstatement.

Simplify emissions control with our NOx delete solution

NOx Delete

Simplify emissions control with our NOx delete solution.

Recover ECM for best performance

Restoring Tuning after OEM ECM Update

Recover ECM for best performance.

Eliminate emission derate on truck

Emission derate Removal (no delete)

Eliminate emission derate on truck.

Tailor truck performance with our specific configuration tuning

Configuration tuning

Tailor truck performance with our specific configuration tuning.

Early detection of issues with our fault code reading service

Fault Codes Read

Early detection of issues with our fault code reading service.

Mochester 4

How It Works?

What you need?

To get a flawless solution, please review steps below and prepare necessary equipment. If you have any questions or problems, our customer support is always ready to help you. Have a successful tuning!

Laptop / PC / VM

1. Laptop / PC

With operating system Windows XP, Vista, 7, 8, 10, 11 installed

Diagnostic USB adapter (RP 1210 protocol)

2. Diagnostic USB adapter (RP 1210 protocol)

Nexiq USB-Link, Noregon DLA, DPA5, Inline6, ScanMatik, etc.

Stable Internet connection

3. Stable Internet connection

While the solution is being provided, there is no interruption in process

Mochester 4 App

4. Mochester 4 App

Download from Mochesterapp.com and install M4 App on your laptop

Truck, Bus or CE

5. Truck, Bus or CE

Battery must be fully charged or connected to charging device

VLOMINGO tuning adapter

6. VLOMINGO tuning adapter *

For 2014+ trucks, in some cases you will need VLOMINGO tuning adapter

(*) — The VLOMINGO Tuning Adapter is a revolutionary solution that provides remote programming for the truck which were previously considered as impossible. This unique device accesses the memory of your truck's electronic control unit. With VLOMINGO you can now easily configure your truck, even delete EGR, DPF, DEF, SCR. This hardware tool offers extensive support for 2014 and newer trucks and cars. Before you begin setting up your equipment, review the type of adapter required for your truck using the “Check Available Services'' section in the M4 App . Anticipate more control, more compatibility and more convenience with VLOMINGO !

How to get a tuning solution?

Mochester 4 is designed as a simple application allowing you to perform tuning yourself. In order to get the necessary solution we have made an animation in which you can familiarize with the sequence of actions. If you encounter any queries while tuning process, our dedicated support team is on standby to assist you promptly and expertly.

M4 App. Animation how you can familiarize with the sequence of actions

Reviews

Customers Feedback and Testimonials.

June 11, 2022

James H. - Truck Driver, USA: As a truck driver with over 10 years of experience, I've never encountered anything like the M4 App. The emission derate removal solution was a game changer for my Volvo truck. The problem was solved in minutes, saving me both time and money. I highly recommend it to any serious truck owner!

June 14, 2022

Michael P. - Fleet Manager, Canada: We've been using Mochester App for over six months on our fleet of Mack Trucks. The ability to remotely tune the trucks and resolve DPF issues has been incredible. It's saved us countless hours in maintenance and downtime. The customer support has been top-notch!

June 15, 2022

Peter L. - Bus Operator, Australia: Our buses were constantly running into SCR errors, and it was affecting our operations. After tuning via the M4 Application, we saw immediate improvements in both performance and fuel efficiency. I now recommend this app to all bus operators who want reliable and efficient emission system management.

June 20, 2022

Marco T. - Construction Equipment Manager, Italy: Gestire una flotta di macchine da costruzione era un vero incubo, soprattutto a causa dei problemi legati alle emissioni. L'app Mochester 4 ha completamente cambiato il modo in cui gestiamo le nostre attrezzature Volvo CE. La possibilità di eliminare sistemi problematici come EGR e SCR da remoto è una salvezza. Questa app è indispensabile per chiunque lavori nel settore delle costruzioni. Tante grazie!

September 03, 2022

John B. - Truck Owner, UK: I was skeptical at first about using Mochester 4, but after using their EGR and DPF delete solutions on my Volvo truck, I’m thoroughly impressed. The process was smooth, and my truck's performance improved drastically. I’ve already recommended it to my trucking buddies!

September 12, 2022

David M. - Owner-Operator, USA: The M4 App is a game changer for anyone in trucking. I had constant issues with emission derates, but the app's emission derate tuning fixed everything. My truck is running smoother and more efficiently than ever.

November 09, 2022

Alex F. - Truck Fleet Owner, Germany: We've been using the MochesterApp for our fleet of Renault Trucks, and the results have been amazing. The app’s ability to remotely delete SCR and DPF issues has reduced maintenance costs significantly. The ease of use and quick results make it an essential tool for any fleet. 8. Brad W. - Truck Owner, USA I recently used the EGR delete and DPF delete services on my Mack truck through Mochester application, and I couldn't be happier with the results.

November 15, 2022

Brandon G. - Fleet Manager, Canada: We’ve used m4 app for multiple services across our Volvo Trucks, including SCR delete and HP uprate. The performance boost has been substantial, and the app's remote tuning capabilities make managing our fleet so much easier. The customer service is excellent too.

December 12, 2022

Tom S. - Bus Operator, Australia: After using this App to perform an EGR delete and restore the ECU stock settings on our buses, we've seen a noticeable improvement in fuel economy and less frequent breakdowns. This app really makes maintenance much simpler.

December 18, 2022

Daniel N. - Owner-Operator, USA: I was facing constant issues with the SCR system and DPF blockages on my truck. I used the Mochester 4 to handle the SCR delete, and the truck is running like new. No more worrying about emission derates or costly repairs!

December 20, 2022

Arrigo F. - Construction Equipment Operator, Italy: Our Volvo CE machines were constantly running into emission problems. We decided to use Mochester 4 for a DPF delete and SCR delete. The results were incredible – our equipment operates at full capacity without the constant maintenance headaches.

December 25, 2022

Fidel L. - Truck Driver, UK: I used the HP uprate service through the M4 and I couldn’t believe the difference. My truck’s engine now has much more power, and I haven’t faced any of the usual performance issues. It’s the best tuning app I’ve used so far!

January 19, 2023

Richard K. - Fleet Owner, USA: We’ve been using Mochester 4 for DPF delete, SCR delete, and EGR delete on our fleet of UD Trucks. The performance boost has been huge! The app makes it all so easy to manage from anywhere.

March 21, 2023

Carl B. - Logistics Manager, Australia: We’ve done EGR deletes, SCR deletes, and HP uprates, and the results have been fantastic. Trucks are running smoother, and fuel costs have decreased.

April 19, 2023

Adam M. - Transport Manager, Canada: The app’s functionality is great, and it’s incredibly easy to use. I highly recommend it for anyone dealing with emissions issues.

May 11, 2023

Steve D. - Truck Driver, USA: It's easy to install, and the improvements in engine performance are noticeable right away.

June 26, 2023

Mark T. - Bus Fleet Operator, Australia: The app’s remote programming tool is incredibly convenient for keeping everything running smoothly.

June 27, 2023

Brian W. - Owner-Operator, USA: I used Mochester 4 to perform a DPF delete and SCR delete on my truck. The difference is incredible—my truck feels more powerful, and I haven’t had to worry about emissions-related breakdowns anymore. Highly recommend!

July 02, 2023

Ashton J. - Truck Driver, UK: I did an HP uprate—my truck now runs like a dream!

August 04, 2023

Carl P. - Fleet Manager, Germany: Our fleet of Volvo Trucks was constantly dealing with emission errors. After using MochesterApp for a DPF delete and SCR delete, the trucks are running smoothly again.

August 10, 2023

Mark L. - Bus Operator, Canada: The M4 app made tuning our fleet of Prevost buses so easy.

August 23, 2023

Marsel N. - Construction Manager, USA: We used Mochester 4 to handle the SCR delete and EGR delete on our Volvo CE machinery. We’ve seen a big reduction in maintenance costs.

October 12, 2023

Bill D. - Owner-Operator, Canada: After struggling with constant derates on my Mack truck, I tried the DPF delete and SCR delete services via the M4. No more performance issues.

October 13, 2023

Thomas M. - Truck Driver, Australia: M4 - Fantastic tool!

November 01, 2023

Artur K. - Transport Manager, UK: Highly recommended for any fleet manager!

November 20, 2023

Homer V. - Bus Driver, Australia: Vehicle runs much better, and the best part is no more derate errors!

December 04, 2023

Kevin L. - Fleet Owner, USA: We’ve had nothing but success with M4. The SCR delete and HP uprate for our trucks have made them more efficient and powerful. The app is easy to use, and the customer service is excellent!

December 05, 2023

Richard H. - Truck Driver, Canada: The EGR delete service I used was amazing!.

January 27, 2024

Hans F. - Fleet Manager, Germany: Nach der Nutzung der Mochester 4 App für die Entfernung von DPF und SCR laufen unsere Lkw problemlos. Die App hat uns viel Geld gespart, indem sie teure Reparaturen verhindert und für eine bessere Kraftstoffeffizienz sorgt.

January 29, 2024

Edward G. - Owner-Operator, USA: With Mochester 4 I managed to delete the SCR and EGR systems from my truck, and it’s been a massive upgrade. My engine runs cleaner and more powerful now.

February 08, 2024

Peter T. - Transport Manager, UK: My truck is faster, more powerful, and best of all, it was all done remotely!

February 19, 2024

Alex C. - Bus Operator, Canada: No more derates or engine performance issues.

March 20, 2024

Jeremy K. - Truck Driver, USA: It was super easy to use the M4 app.

April 07, 2024

Sam B. - Fleet Owner, Australia: I’ve been using Mochester 4 for all our trucks’ tuning needs, including SCR delete and EGR delete. The trucks are running like new, and we’ve saved significantly on maintenance costs.

April 24, 2024

Justin P. - Construction: Equipment Operator, Italy Machines are now more efficient and reliable.

April 30, 2024

Jack M. - Truck Owner, UK: After using the SCR delete feature of M4, my truck has been running without a hitch.

May 30, 2024

Henry T. - Bus Fleet Owner, Canada: This app is definitely worth the investment.

May 31, 2024

David C. - Truck Driver, USA: I’ve had great success using Mochester application for my DPF delete.

June 17, 2024

Andrew W. - Fleet Manager, Australia: Better performance, fewer maintenance issues, and reduced operating costs—what more could we ask for?

June 27, 2024

Nick H. - Truck Driver, UK: I used the SCR delete and DPF delete services on my truck. It’s more powerful now and fuel-efficient.

July 06, 2024

Philip G. - Fleet Owner, USA: The DPF delete and SCR delete solutions via M4 app have reduced our downtime!

August 20, 2024

Jack S. - Bus Driver, New Zealand: After using the HP uprate service my bus runs like a new vehicle now.

August 22, 2024

Charlie K. - Owner-Operator, Canada: The EGR delete and SCR delete options provided by M4 have completely changed the way my truck performs. It’s faster and more fuel-efficient.

August 28, 2024

Mark R. - Truck Driver, USA: After using M4 I haven’t had a single issue with emission codes.

August 30, 2024

Oliver J. - Transport Manager, UK: We’re running more efficiently than ever.

September 15, 2024

Mike T. - Fleet Manager, Canada: Using Mochester 4 improved fuel economy and eliminated issues with engine performance on our trucks.

October 07, 2024

George P. - Construction Manager, USA: Thanks to the team behind the Mochester 4 application. The machines run smoother and more efficiently, and we’ve saved a ton on maintenance.

October 19, 2024

Alan C. - Truck Driver, UK: My truck is running like a beast. More power, better fuel efficiency, and no more worries about emissions.

October 23, 2024

Nick P. - Fleet Manager, Australia: The Mochester App services have made managing our fleet much easier. We’ve used it for EGR delete, SCR delete, and HP uprate, and the results speak for themselves—improved engine performance and savings on fuel.

October 29, 2024

Aaron K. - Fleet Manager, Canada: We’ve seen huge savings on maintenance costs.

November 01, 2024

John F. - Truck Driver, USA: After using the SCR delete and HP uprate services through MochesterApp, my truck has a noticeable boost in power and smoother acceleration. I highly recommend these services to other truck owners.

Download the M4 App from the official Store