Capsules transport system with interchangeable housings

A transport system for transporting capsules during the operational steps of a machine for preparing capsules for beverage production, comprising:

• a plurality of housings,
• wherein each housing is configured to house a capsule for producing beverages
• and wherein said plurality of housings comprises at least a first housing comprising a first cavity for housing a first capsule and a second housing comprising a second cavity for housing a second capsule,
• wherein said first cavity is different in shape and/or size from said second cavity so as to contain, respectively, said first capsule and said second capsule, wherein said second capsule is different in shape and/or size from said first capsule;
• a plurality of seats, wherein each said plurality of seats is configured to receive one of said plurality of housings, in particular each of said plurality of seats is configured to alternately receive said first housing and said second housing;
• extraction means for extracting said first housing from one of said plurality of seats into which one of said plurality of housings is inserted;
• and
• insertion means for insert said second housing into one of said plurality of seats.