Modeling the ABWX 20002 depressed center flatcar in O scale

Model photos shown.  Completed model is 27 inches in length over coupler faces. The truck bolsters are articulated to allow operation over small radius track. 

 

The model like the prototype has identical "A" and "B" sections. Note the various "lift rings" used for maintenance purposes.

 

  

Here are more photos showing the "A" and "B" end assemblies.

 

Since these models are intended for operation on an O scale model railroad certain fragile details are not included. The main objective is to build a reasonably accurate scale model that has good running characteristics. All models are hand built using very simple tools.

 

 

I think your model looks great. 
Brings back bad memories for me though.  Many years ago when cameras had film, I saw a train with a car and load just like your photos sitting on a siding.   I drove home at excessive speed and grabbed my Yashica 35mm.  Raced back and it was still there.  I parked illegally on the side of the freeway climbed the fence, loaded a new roll of film and started to shutter.  Took every angle I could think of up to 36 shots.  Went home, pulled the film out and took it to the store for 1 day photo service.  The next day I eagerly picked up the film and the clerk said the pics didn't come out good.  I paid and looked at them right away.  The clerk was right, every picture was double exposed.  My wife had finished up the previous roll of film with shots from a birthday party.  She did not roll the film all the way back into the metal film canister.  She took the canister out of the camera with the film tab still sticking out and set it next to the camera.  That is the roll of "new" film I grabbed on my dash into the house to get my camera and an extra roll of film.  I had never seen a magnificent car like that before and not since.  All I have is the Lionel 6518 depressed flat with transformer.