N SCALE 7220 N&W Y6B 2-8-8-2, #2191, 22I TENDER, PARAGON4 SOUND/DC/DCC, N SCALE. N SCALE, PARAGON4 DC/DCC WITH ROLLING THUNDER SOUND. N SCALE NOW WITH PARAGON4 & ROLLING THUNDER SOUND! The Y6b locomotive weight was 582,900 lbs with 522,850 lbs directly on the drivers.