Replacement of National Type B trucks


Mark Heiden
 

Hello everyone,

I was looking at pictures of GTW and CB&Q boxcars that were delivered
with National Type B trucks. In these pictures, dated 1964, the Type
B trucks had been replaced with more conventional trucks. Was there a
flaw in the Type B trucks that caused them to be replaced? Would
these trucks still have been found under cars in the late 1950s?

Thanks,
Mark Heiden

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