Lionel Santa Fe Full Vista Dome O Gauge Model Train Car Number 60 displays both the Santa Fe brand and car number 60 while also incorporating outdoor views from above. Car features die-cast trucks, operating couplers, soft molded diaphragms between cars, and interior illumination. Lionel O Gauge Systems are approximately 1:48 in scale and are what most people envision when the think about Lionel. Lionel O Gauge 3-Rail FasTrack systems, which include O, O27, and FasTrack, all measure 1.25" between the outer rails. Any O Gauge car or locomotive can ride on Lionel O Gauge FasTrack, as long as the curve track used on your layout can accommodate your particular cars.