SPECIFICATIONS CD5515-2/YB5515-2 OPERATOR MANUAL
8-2 Published 1-20-2017, Control # 468-02
Engine Oil Specifications
Cummins Oil Registration List
Cummins has a program that lists engine oils that it has
tested to meet its engineering specifications. Listing of
recommended oils is on QuickServe® Online. Log on to
quickserve.cummins.com and login with a current username
and password or create a new account by selecting “Create
an Account” under information, choose Limited Owners Plan
and register. Once logged in, click on the “Service” Tab in the
top red bar, “Service Tools” mini-tab and “Oil Registration
Lists” link within the Service Tools list. This will load a list of
the different Cummins Engineering Specification numbers.
Select the one that applies to your engine to view the
registered oils.
Oil Performance Recommendations
CC/SF for use in naturally aspirated engines and in engines
that operate in light duty service including standby and
emergency operation (equivalent to MIL-L-2104B).
Sulfated Ash Limit of 1.85% by weight is recommended.
Oils with higher ash count may produce deposits on valves
that can progress to guttering and valve burning.
Do not use “break-in” lubricating oils in new or rebuilt
engines. Use lubricating oils specified for normal engine
operation.
Oil Viscosity Recommendations
The use of a multigrade lubricating oil improves oil
consumption control and improves engine cranking in cold
temperatures while maintaining lubrication at high operating
temperatures. A multigrade oil is therefore recommended
with the viscosity grades shown in the following chart. The
use of single grade lubricating oils is not recommended,
except for synthetic oils used in Arctic conditions.
Viscosity Grades
Arctic Operation
NOTE: SAE 5W viscosity grade synthetic oil may be used
when operating the engine in ambient
temperatures below -23°C (-10°F) provided they
meet the minimum viscosity at 100°C (212°F).
When there is no provision to keep the engine warm when
operating in ambient temperatures consistently below -23°C
(-10°F), use a lubricating oil that meets the following
requirements:
Parameter (test method) Specification
Performance
API classification
-Naturally aspirated
-API classification CC/CD-
Turbocharged
Viscosity
10,000 mPa
•
s Maximum at
-35°C (-31°F) 4.1 mm (0.16
in) Squared minimum at
100°C (212°F)
Pour Point (ASTM D-97)
Maximum of 5°C (41°F)
below the lowest expected
ambient temperature.
Sulfated ash content
Maximum at 1.85% by
weight (ASTM D-874)
FIGURE 8-1
a0103
Diesel Engine Oils
Reference Only
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