Capacity of Texas, Inc.
40
Always use engine oil that meets Cummins Engineering Stan-
dard (CES) 20081 or API CJ-4/SL.
While the preferred viscosity grade is 15W-40, lower viscosity
multigrade oils may be used in colder climates, provided these
oils meet the CES 20081 requirements. For operation in win-
ter conditions.
Special break-in engine oils or aftermarket oil additives are
NOT necessary and are not recommended.
4-4.3 R
EGENERATION
There are two types of regeneration that occur as the engine
operates. Passive regeneration occurs naturally when the heat
of exhaust burns off the soot. Active regeneration becomes nec-
essary when the temperature is too low to completely burn off
the soot. If soot accumulates in the filter, a parked regenera-
tion cycle is required. The driver is alerted to the need to per-
form a regeneration cycle by the diesel particulate filter (DPF)
indicator on the left side of the dash (Figure 4-1).
Figure 4-1 Regeneration Indicator Light
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