7405 READING T1 4-8-4, “IRON HORSE RAMBLES” EXCURSION #2124, PARAGON4 SOUND/DC/DCC, SMOKE, N SCALE. N SCALE, PARAGON4 DC/DCC, SOUND, DIE CAST WITH SMOKE . The plans were for 2100 and 2124 to pull the excursion trains, and they would keep 2101 as a back-up and 2123 as a source of parts.