Navigate to the chassis folder for the truck you want to modify.
Locate the line tank_size: [value] and change the number to your desired capacity (e.g., from 600 to 1200). High fuel tank size for all trucks 1.44
In the base game, fuel capacity is tied to the truck's chassis and brand. For example, the typically offers around 1,140 liters , while many Volvo models are limited to 800–940 liters . Mods for version 1.44 significantly expand these limits: Navigate to the chassis folder for the truck