Wow! What priceless pictures, VicKlicktor! Pictures of intact sprues are very useful when trying to confirm set contents.
And your two pictures also helped me confirm the differences between versions of set 4053 which I attempted to describe
here (scroll down to near the bottom of the page).
I used the names V2 and V3, based on
Collector, because I guessed the contents of what the book calls V1 and V2 were the same. Looking at your pictures, I can see I made (at least) three mistakes in my description of the version differences; the later has two perbutane rings (maybe they were on the wheels in the earlier version), both versions have
four ladder connectors, the earlier version has that black piece (looks like a handrail).
Do you have any pictures of the later train I could add to my website VicKlicktor? Tiermann and Playmofire kindly let me have pictures of the earlier train. The train has several differences between the earlier and later versions.