Peterbilt Medium duty

Coolant capacity & service interval

Peterbilt Medium duty uses coolant with a capacity of 11.5 liters. Service intervals occur every 15000 miles or 12 months. The data covers 7 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
535, Paccar PX-7 (2021- )
  • Use: Normal
  • Capacity 11,5 liter (Engine only)
  • Change 15000 miles/ 12 months
536, Paccar PX-7 (2021- )
  • Use: Normal
  • Capacity 11,5 liter (Engine only)
  • Change 15000 miles/ 12 months
536, Paccar PX-9 (2021- )
  • Use: Normal
  • Capacity 11,5 liter (Engine only)
  • Change 15000 miles/ 12 months
537, Paccar PX-7 (2021- )
  • Use: Normal
  • Capacity 11,5 liter (Engine only)
  • Change 15000 miles/ 12 months
537, Paccar PX-9 (2021- )
  • Use: Normal
  • Capacity 11,5 liter (Engine only)
  • Change 15000 miles/ 12 months
548, Paccar PX-7 (2021- )
  • Use: Normal
  • Capacity 11,5 liter (Engine only)
  • Change 15000 miles/ 12 months
548, Paccar PX-9 (2021- )
  • Use: Normal
  • Capacity 11,5 liter (Engine only)
  • Change 15000 miles/ 12 months