Difference between the F7 and the F9?

prrhorseshoecurveOGR Forum Member

I see that Atlas O is running the F7 model ahain. Im seriously considering getting the undecorated to model EMD test unit #462 in the Maroon and yellow livery and a non powered "B unit" to morph into the EMD test car.

Besides the 48" dynamic brake fan [vs. the 36" one] any other differences to consider?

12/6/2111:33 PM

Original Post

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