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Token value F1.5 or at least 4% of MMR
Indicate the highest value among the O.X.X fields of the technical sheet
Indicate value F.3.1 of technical sheet
If the data does not appear on the sheet, indicate MOM, G value from the technical sheet.
If you have doubts about whether your vehicle has an old card or a new one, follow this guide to help:

Online tool to verify the Maximum Authorized Mass of your vehicle

Do you need help? Contact us to guarantee safety on your trips.

Modify the MMA of your vehicle for only €89+VAT

MMA Check: Your Solution for Safe and Legal Driving

If you have modified or are thinking of modifying the MMA (maximum authorized mass) this tool is what you need.

But what is the Maximum Authorized Mass (MMA)?

The Maximum Authorized Mass (MMA) is a crucial concept in the field of vehicle safety and regulation. This term refers to the maximum weight that a vehicle can have to travel legally and safely on the roads. It includes the weight of the vehicle itself, passengers, cargo and any other additional elements. Understanding MMA is essential to ensure driving safety and compliance with traffic regulations.

Remember that...

The MMA is an administrative data of our vehicle that can be changed easily and has nothing to do with the maximum mass that the vehicle is technically capable of supporting.

Importance of MMA Checking

Reducing the Maximum Authorized Mass of a vehicle can have multiple benefits, such as being able to drive vehicles with a B permit or paying lower circulation tax on commercial vehicles, among others.

Please note that...

Before reducing the MMA you must take into account the use you make of your vehicle.

The benefits of modifying the Maximum Authorized Mass (MMA) of your vehicle

Possibility of paying less taxes on commercial vehicles

Depending on your municipality, if you reduce the MMA within the established legal maximums, you will be able to pay less taxes.

Drive your van or truck with a B car license

If the reduction of your MMA can legally be left at 3500kg or less, you will be able to drive your van or truck with a B car license.

Adapt the towing capacity of one vehicle to another

You can reduce the MMA of a trailer to adjust it to the towing capacity of a car

Approval the modification, reduction or increase of the MMA with Certifix

We are experts in approving vehicle reforms. here and obtain your approval in a maximum of 5 business days.

Frequently asked questions about maximum authorized mass

How much can I reduce the GVW of my truck to drive with a B license?

Can I drive other types of vehicles with a B license?

How can I check how much I can reduce my vehicle's GVW?

How long does the approval process take?

What documents do I need to approve the GVW modification?

How much does it cost to approve the GVW modification?

The use of this tool will not imply preferential treatment in the processing of the reform to its user, since it has a purely advisory use and has no connection with the inspection activity carried out by Certifix.

Still don't know how to do it?

Contact us, we will be happy to help you.

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