M939 frame rail width

[MidnightDuramax]

I am looking for the width of one of the frame rails. I have a M923 but I am pretty sure that all M939 trucks should have the same rail widths. Any help would be great. I am not near my truck and I am looking to verify something.

Thanks

 

[jcappeljr]

They are all the same,34"

 

[MidnightDuramax]

I am not looking for the over all width of the frame. Just the width of one rail.

 

[jcappeljr]

I am not close to my truck now.