Not really sure what the tolerances might be but here are some numbers off the cab in my garage. Doors are off, but have been fitted.
Also not really sure where to pull good solid measurements from so if these are not what you need let me know I can pull some more.
lf front mounting bolt center to rt front mounting bolt center: 41"
rear mounting bolt center to rear mounting bolt center: 42 1/8"
rt front mounting bolt to rt rear mounting bolt: 41 5/8
lf to rt door channel flange, front (exterior to exterior). Measured close to floor: 67 1/4
lf to rt door channel flange, rear (exterior t exterior). measured close to floor: 67 1/8
rt side front to back of door opening. Measured close to floor above curve of the channel: 35 1/8
