Articulated Autorack Car: What Size Wheels?

Model Railroader Prototype information for the modeler
1

What size are the wheels of this particular articulated autorack car (Currently modeled by Atlas in HO and N scales)?

2

I believe that this information is relevant for the your pictured car.

http://www.trainweb.org/nwrp/ttx/bttx880387data.htm

Cheers, the Bear.[:)]

3

Thanks!