I would add a million to that 144568. My 99 model Volvo that I had , had 1million put on it in 4 1/2 years, yes that was running team coast to coast weekly, so a 9 yr old truck should have a helluva lot more than the 144568.
It also states virgin rubber, if that's virgin rubber ( new tyres ) he got taken to the cleaners, they look like they have more like 200,000 + miles on them.
1 stack Mack with a shack on the back. They ride like a lumber wagon.
JMO