Make: Peterbilt Year: 2016 VIN Number: 1XPBD49X1GD322717 Condition: New Unit 51597 (Q16059) listed by iSellPro, for sale by Quad City Peterbilt - 2016 PETERBILT 579 TANDEM AXLE SLEEPER FOR SALE IN IOWA :: - PETERBILT 579 for Sale Engine: CUMMINS ISX 525 HP Transmission: 13 Spd. Axles: Tandem Suspension: Pete Flex Air Rear Ratio: 3.42