Abstract: The invention is a plastic essentially rectangular modular pallet assembly, the parts of which are also modular, comprising front and rear vertical transverse stringer members and top and bottom horizontal longitudinal deckboard members having alternating longitudinally-extending flat strip areas and longitudinally-extending channels or concavities on the surfaces thereof, wherein the longitudinal flat strip areas and channels or concavities of the top and bottom surfaces of deckboard members lie in vertically opposed relation to each other, the stringers comprising, on upper and lower deckboard-abutting surfaces, integral deckboard fastening studs, top and bottom deckboard members having apertures therein in flat surface strip areas thereof near the ends thereof which are adapted to receive the deckboard fastening studs, the deckboard fastening studs being received in the apertures and secured therein, the front and rear stringers of the pallet as well as sides of the pallet having openings adapted to receiv