operators_manual

Table Of Contents
Engine Oil Viscosity Chart
-40 -20 0 20 40 60 80 100 120 140
-40 -30 -20 -10 0 10 20 30 40 50 60
Temperature °F
Temperature °
C
5W40
5W30
5W40 or 15W40
1
10W3010W30
2
10W3010W30
3
5W30
4
0W30
0W30
5
1. All seasons
2. All seasons
3. Winter conditions
4. Winter conditions
5. Arctic conditions
NOTE
Any of the oil weights listed in the
chart above are acceptable to use as
long as the oil meets API CK-4/CJ-4
oil specifications.
New Engine Break-In Oils
PACCAR does not approve the use of
special “break-in” engine lubricating oils for
new or rebuilt PACCAR engines. It is
recommended to use the same lubricating
oil for engine break-in that will be used
during normal operation.
ENGINE MAINTENANCE - Engine Lubricating Oil Recommendations and Specifications
Y53-1183-1E1 (04/16/18) 45
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