Read the reviews on the appliance.
http://products.geappliances.com/app...ecs/GSS23WGTBB
Additionally, saying the door dimensions must conform to highway standards is just bunk. Look at the variety of door sizes available on all sorts of vehicles, from 18 wheelers to vans to sport cars...
Regarding engineering, any good engineer will consider the service-ability of all components. (BTW, I was an engineer for over 30 years.)