Two 12 axle Flats with heavy loads. One has six 2 axle trucks and one has four 3 axle trucks.
The heavy flats have an idler flat in the middle and on both ends.
Photos are not great, because they were taken with my phone.

 

Here are details of the two engines and trucks on the flat cars.

 

Regards, John *************

Not what we have But what we enjoy, constitutes our abundance. <> Epicurus