Limiteds with diff locks are not hard to come by. What makes this rare is that it is an SR5 with a diff lock. I wouldn't be jelly though. This thing looks like it was crudely rebuilt. The repair looks like shit.
The only good thing about people that tend to go to this side of the automotive aftermarket scene is that they keep their vehicles clean 24/7. So It's likely never seen much dirt. Well, maybe except for the ditch it was probably in to get that salvage title.
I love how he took off the license plate to not include it in the photos, then took a picture of the rear cargo area with the license plate sitting there. Smart guy, probably the same train of thought led him to put the rest of his "custom" parts on there.
Nothing like giving sensitive motors and electronics a good wash in the rain on a regular basis. Not like the antennas on our 4Runners EVER have issues.