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Savant Labs
A World of Lubrication Understanding®

API CK/FA-4

Savant Labs has the ability and capacity to perform the testing required for the fresh oil viscosity and bench test requirements, including the elastomer compatibility testing necessary to meet the standards below. 

API CK-4 and FA-4, the API heavy-duty diesel engine oil specifications for heavy-duty trucks and equipment, provide for reduced carbon dioxide and greenhouse gas emissions and engine durability while improving oxidation resistance, shear stability and aeration control.

ASTM International Method
ASTM D874 Sulfated Ash
ASTM D892 Foaming, Sequence I - III
ASTM D4683 High Temperature High Shear/TBS Viscosity
ASTM D4951 Elemental Analysis by ICP, Wear Metals
ASTM D5800 Noack Volatility
ASTM D6594 High Temperature Corrosion Bench Test
ASTM D7109 Kurt Orbahn Shear Stability - 30 & 90 Passes
ASTM D7216 HDD Elastomer Compatibility, ACM
ASTM D7216 HDD Elastomer Compatibility, FKM
ASTM D7216 HDD Elastomer Compatibility, MAC
ASTM D7216 HDD Elastomer Compatibility, NBR
ASTM D7216 HDD Elastomer Compatibility, VMQ