System for reducing the brake wear of heavy vehicles, in particular for public transportation or for garbage collection

System for reducing the brake wear of heavy vehicles, in particular for public transportation or for garbage collection, the vehicle comprising a pneumatic braking system for the actuation of the brakes, the wear reducing system being characterized in comprising limiting means (28, 29, 20, 161, 200, 201, 202, 203), suitable to be activated, for limiting the air pressure within the pneumatic braking system.