Air ride cab is referring to a truck cab that is mounted on air bags.
Air ride suspension is a term that describes a suspension which supports the load on air-filled rubber bags rather than steel springs. Compressed air is supplied by the same engine-driven air compressor and reservoir tanks which provide air to the air brake system.
Ref: 120830/2006-09-25
Alternative Spellings (Synonyms): Suspensionen, Suspensions