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Three generations AM75, better known as the ‘PIGGY’.
The Belgian railway company NMBS (in Dutch) or SNCB (in French) needed more passenger capacity during the 70s, so they decided to invest in 44 sets of a model that was later named after the year they started building it. All the 44 'AM75' sets were built by BRUGEOISE NIVELLES (BN) in Bruges, Belgium between