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Figure 2. Viscosity Grades Table.
NOTE: Using other than service class SJ or higher oil
or extending oil change intervals longer than
recommended can cause engine damage.
NOTE: Synthetic oils meeting the listed
classifications may be used with oil changes
performed at the recommended intervals.
However to allow piston rings to properly
seat, a new or rebuilt engine should be
operated for at least 50 hours using standard
petroleum based oil before switching to
synthetic oil.
A logo or symbol on oil containers identifies the API
service class and SAE viscosity grade. See Figure 3.
Figure 1. Typical Command PRO Vertical Shaft Engine.
Oil Recommendations
Using the proper type, weight, and a consistent brand
of oil in the crankcase is extremely important. So is
checking oil daily and changing oil regularly. Failure
to use the correct oil, or using dirty oil, causes
premature engine wear and failure.
Oil Type
Use high quality detergent oil of API (American
Petroleum Institute) service class SJ or higher. Select
the viscosity based on the air temperature at the time
of operation as shown in the following table.
Figure 3. Oil Container Logo.
Refer to Maintenance Instructions beginning on page
8 for detailed oil check, oil change, and oil filter change
procedures.
Oil Fill/Dipstick
Oil Filter
Electric
Starter
Carburetor
Oil Drain Plug
Spark
Plug
Optional Muffler
Cylinder Shrouds
Blower
Housing
5W-20, 5W-30
RECOMMENDED SAE VISCOSITY GRADES
10W-30
Kohler 10W-30
°F -20 0 20 32 40 60 80 100
°C-30 -20 -10 0 10 20 30 40
TEMPERATURE RANGE EXPECTED BEFORE NEXT OIL CHANGE
* Use of synthetic oil having 5W-20 or 5W-30 rating is acceptable,
up to 4°C (40°F)
** Synthetic oils will provide better starting in extreme cold below
23°C (-10°F)
**
*
Air Cleaner