An arrangement for a suspension for a load carrying vehicle is provided. The suspension is provided with air springs and comprises at least one front axle and at least two rear axles, and each rear axle is provided with at least one pair of corresponding suspension air springs and at least one air spring is provided for lifting one of the rear axles. The suspension air springs for at least the rearmost axle is connected to the air spring for lifting one of the rear axles by a conduit for compressed air, which conduit is provided with a controllable valve, whereby the controllable valve is arranged to open during a vehicle loading process. A vehicle provided with the arrangement, and a method for carrying out a loading operation using the arrangement, are also described.