Trolley (11) for a milking apparatus (17), said trolley comprising a supporting structure (13) provided with wheels (15) and capable of carrying a milking apparatus (17) and a handle (19 119) for allowing the trolley to be transported by a user, wherein the supporting structure (13) comprises at least two sections (21a, 21b, 21c) firmly associated to each other, at least one of which defines at its inside a cavity (23) capable of cooperating with the vacuum circuit of the milking apparatus (17).