Charger (incomplete paraplegia) and Wheeler (assumed to have autism) are the only pups in the construction crew to have disabilities in Rubble & Crew.
Motor is the smallest and youngest pup in the construction crew team.
Rubble is the only pup in the construction crew to live in more than one residence, that are Adventure Bay (main residence), Adventure City (main residence in PAW Patrol: The Movie and PAW Patrol: The Mighty Movie) and Builder Cove (part time residence).
It is revealed that Motor's vehicle function as a wrecking ball machine and also a steamroller in "The Crew Builds a Bridge", making her as the only member of the construction crew to have two combined construction vehicles.
Wheeler is the only pup in the construction crew, who is not a bulldog.