The first order was for the Port Authority Trans-Hudson line and consisted of 46 PA-3 cars numbers 724–769, which were largely based on the original hexagonal profile PA-1 & PA-2 cars designed and built by the St. Louis Car Company during 1966–67.
O primeiro pedido foi para a liña Port Authority Trans-Hudson e estaba formado por 46 coches PA-3 cos números 724-769, que estaban baseados en gran parte no perfil hexagonal orixinal dos coches PA-1 e PA-2 deseñados e construídos pola St. Louis Car Company durante 1966-67.