Minimum Required D-Value for GVM vs ATM

The minimum required D-Value for GVM vs ATM is one of the most understood calculations in the truck and trailer industry.

The D-value is calculated with the truck and trailer’s permissible total weight.

D-Value Equation

D-Value = 9.81 x (Tow Vehicle GVM x Trailer ATM) / (Tow Vehicle GVM + Trailer ATM)

If you do the equation, a 12t truck tow an 8t trailer has a D-Value of 47Kn. Click the D-Value Sheet here for confirmation

New Automatic Calculation Methods

Customers unsure of how to calculate D-Value methods should go to the form calculation and then enter in your truck’s total weight GVM and the weight of the trailer ATM.

The calculation field equation below has been inserted into a radio button and shows how to auto-calculate the d-value.

Once you have the calculated based in the form of a D-Value then you can select the towing product.

Suppliers should also be able to provide a vertical load value or V-Value.