The reduction gear unit (1) with built-in brake made according to the invention comprises a box (2, 3), a first reduction gear unit (9a) consisting of a pair of cylindrical gear wheels (9, 10) placed one after the other, a second planetary reduction gear u...

A motor wheel for driving the driving wheel of an industrial vehicle and the like, comprising, upstream of a two-stage rotary-ring reduction unit (2), a gearbox (3) with fixed-ring epicyclic gear train, with at least two positions which respectively corres...