Thanks, everyone. The windows really were a pain. You don't want to look too closely. I'm done with this one, though.
The cab looks redder in sunlight. It should be a reddish orange:

Rusty, but no bird poop!:

The tiny black rectangle in the upper left of the truck box is supposed to represent a rear view camera. It even has a clear spot for a lens...It's barely visible, though:

Both trucks. The truck on the left has the exhaust under the office box, just to keep it away from the HVAC equipment:


Thanks for all the comments! I got two partially built kits off the shelf of doom and generated quite a few spare parts. Learned a lesson about designing windows, and the weighed tires was an interesting project.