Note, you should download the compressed skins, provided by Hojo, here:
Since a few people have asked about this, and since it'll be a while before I can make time to work on a high quality version of it, I am uploading the most recent version I made of my flatbed truck, which was quite a while ago. I will (eventually) come out with something better, but for the time, I hope this tides you over.
Includes truck, trailer with the landing gear up, and a trailer with the gear down.
This image has been resized. Click to view the full image.