Lift axle suspension with axle reservoir

摘要: A trailing arm suspension, alone or in combination with a vehicle having frame supported by an axle ground engaging wheels. The suspension comprises pair of spaced assemblies, each which includes pivotally mounted to the and spring operably coupling resist pivotal movement arm. pneumatic lift mechanism is provided selectively raise relative frame. has at least portion that hollow defines pressurized air reservoir, coupled and/or for altering resistance actuating selective