Protectobot

Protectobots are a subspecies of rescue vehicle-themed Cybertronians from the planet Cybertron.

Biology
While also being a subgroup of Autobots, Protectobots consider themselves a species unto themselves.

Anatomy
Protectobots have similar biology to other Cybertronians, except that they transform into fire engines and other rescue vehicles.

Powers and abilities
Protectobots share many of the same abilities as other Cybertronians.

Select Protectobots can combine to form a combiner known as Defensor.