Maintenance and Fluid Information for 2010 Kenworth T660 Caterpillar C15
An oil change on the 2010 Kenworth T660 Caterpillar C15 starts with selecting the right lubricant. The catalog lists these engine-oil viscosity grades: 15W-40 and 10W-30. The matching product listings include Heavy-Duty Synthetic Diesel Oil 15W-40, Heavy-Duty Synthetic Diesel Oil 10W-30, Signature Series Max-Duty Synthetic Diesel Oil 15W-40. The grade alone is not the whole specification, so check the manufacturer’s requirements before making your selection.
What oil filter is listed for my 2010 Kenworth T660 Caterpillar C15, and what is the part number?
The oil-filter part numbers listed for this vehicle include EAHD4005-EA, P551808-EA.
How do I find the correct oil-change interval for my 2010 Kenworth T660 Caterpillar C15?
Use the manufacturer’s maintenance schedule for this engine and operating conditions. The available application data does not establish an exact oil-change interval.
What synthetic oil options are available for my 2010 Kenworth T660 Caterpillar C15?
Synthetic engine-oil listings for this vehicle include 15W-40, 10W-30. A synthetic listing does not by itself mean the vehicle manufacturer requires full synthetic oil.

