Wheels of Time 50151 N Scale 53'6" General Service Flatcar Southern Pacific SP 564940 ESC & RX Combo Rear wheel Bead

Rear wheel Bead

Prototype Version With Steel Ends & Roof

transparent red and amber with black vinyl tires

M&O (GM&O)

Wheels of Time 50151 N Scale 53'6" General Service Flatcar Southern Pacific SP 564940 ESC & RX Combo Rear wheel BeadWheels of Time 50151 N Scale 53'6" General Service Flatcar Southern Pacific SP 564940 These 53' 6" flatcars were constructed with a welded fish belly steel frame in contrast to the cast steel GSI frame. The fish belly frame provided an optimal distribution of tension and compression forces from the center of the car to the bolsters. Think of it as a bridge. In addition, fabricating a welded frame was far less labor intensive than an equivalent riveted