Here is the matching Cat Dolly with the new wheels to match the new wheels on the trailer. Original Dolly By getsome2030.
So included in the dowload is a read me text:
Text contains tune up for the Cat Kenworth truck as well as the Cat Actros Heavy Hauler.
change the values accordingly, Both trucks will now operate at a speed of 62mph unloaded 40 mph and pulling double trailers Cat Fully Loaded with 240,000 liter ..