Winterization Hatches on GP7s & GP9s

Model Railroader Prototype information for the modeler
1

Could anyone direct me to pictures showing the location of winterization hatches on Union Pacific first generation GPs in the 1950s and 1960s?

Thanks,

Ed

2

Sometimes a picture is worth a thousand words.

http://gelwood.el.wny.org/up/up291ajs.jpg

This is a late GP9 that was upgraded to a GP20.

http://gelwood.el.wny.org/up/up326abh.jpg

3

Thank you!!! That is exactly what I was looking for!

Cheers,

Ed