C - Peterbilt Motors Company

Maintenance Guidelines
Overview
General Information
PACCAR recommends that the
engine be maintained according to the
maintenance schedule in this section.
If the engine is operating in ambient
temperatures below 0°F (-18°C)
or above 100°F (38°C), perform
maintenance at shorter intervals.
Shorter maintenance intervals are also
required if the engine is operated in a
Oil Drain Interval Guidelines
dusty environment or if frequent stops
are made.
Some of these maintenance
procedures require special tools
or must be completed by qualified
personnel. Contact your local
PACCAR authorized repair location for
detailed information.
If your engine is equipped with
a component or accessory not
manufactured by PACCAR Inc, refer
to the component manufacturer’s
maintenance recommendations.
Maintenance Guidelines
Oil Drain Intervals
Oil drain interval recommendations are
based on vehicle application or engine
duty cycle. PACCAR recommends
the use of high quality lubricating oil
as indicated in the Lubricating Oil
Recommendations on page 5-16 in the
Maintenance Specifications Section.
Severe Duty
Normal Duty
Vocational**
Line Haul
Fuel Consumption
Miles per Gallon
Less than 6 MPG
6 MPG or greater
Kilometers per Liter
Less than 2.6 km/L
2.6 km/L or greater
Gross Vehicle Weight More than 80,000 lb
80,000 lb or less
More than 36,300 kg
36,300 kg or less
Oil Drain Interval 25,000 miles/40,000 km
40,000 miles/64,000 km
800 hours or 12 months
1200 hours or 12 months
**Vocational vehicle applications include: Agriculture, Concrete Mixers, Construction, Crane, Dumps, Emergency/Fire, Heavy Equipment, Loggers,
Mining, Oil Field, Refuse, Pick-up & Delivery, Snowplows, and Wrecker
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