Severe Duty/Vocational - 60,000 mi / 96,000 km / 1,600 hrs / 24 mo (2 yrs)
23
Mounting Bolts
• Refer to Engine Mounting Bolts on page 96 for maintenance instructions.
Severe Duty/Vocational - 150,000
mi / 240,000 km / 4,500 hrs / 24 mo
(2 yrs)
Severe Duty/Vocational - 150,000 mi / 240,000 km / 4,500 hrs / 24 mo (2 yrs)
24
Aftertreatment System
• Refer to Diesel Particulate Filter (DPF) Service Strategy on page 91 - Dry Cleaning Strategy.
Severe Duty/Vocational - 180,000
mi / 290,000 km / 5,400 hrs / 36 mo
(3 yrs)
23
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
24
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
ENGINE MAINTENANCE - Severe Duty/Vocational
Y53-1166-1M1 (10/2020) 47
2