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CD Grade is a monograde diesel engine oil based on mineral base oil, formulated with a high alkaline reserve (TBN). Available grades: CD 40, CD 50. API lists CD as obsolete: it is not suitable for most diesel automotive engines built after 1994. Each grade is listed separately in the specification table with its viscosity at 100 °C, viscosity index, flash point, pour point, density and base number, so grades can be compared directly before ordering.
CF-4 15W-40 is a heavy-duty diesel engine oil in the SAE 15W-40 viscosity grade, formulated to API CF-4. API now lists CF-4 as obsolete: it is not suitable for most diesel automotive engines built after 2009, and remains relevant to older engines whose manuals specify it. The specification table publishes typical values from the product data sheet, each with its ASTM method: kinematic viscosity at 40 °C and 100 °C, cold-cranking viscosity, base number, Noack volatility and foaming tendency, plus viscosity after shear and copper corrosion. Check those values and the API category against the engine manufacturer's requirement before ordering.
CF-4 20W-50 is a heavy-duty diesel engine oil in the SAE 20W-50 viscosity grade, formulated to API CF-4. API now lists CF-4 as obsolete: it is not suitable for most diesel automotive engines built after 2009, and remains relevant to older engines whose manuals specify it. The specification table publishes typical values from the product data sheet, each with its ASTM method: kinematic viscosity at 40 °C and 100 °C, cold-cranking viscosity, base number, Noack volatility and foaming tendency, plus viscosity after shear and copper corrosion. Check those values and the API category against the engine manufacturer's requirement before ordering.
CH-4 15W-40 is a super heavy-duty diesel engine oil in the SAE 15W-40 viscosity grade, formulated to API CH-4. API introduced CH-4 in 1998 for high-speed four-stroke engines designed to meet 1998 emission standards. The specification table publishes typical values from the product data sheet, each with its ASTM method: kinematic viscosity at 40 °C and 100 °C, cold-cranking viscosity, base number, Noack volatility and foaming tendency, plus viscosity after shear and copper corrosion. Check those values and the API category against the engine manufacturer's requirement before ordering.
CH-4 20W-50 is a super heavy-duty diesel engine oil in the SAE 20W-50 viscosity grade, formulated to API CH-4. API introduced CH-4 in 1998 for high-speed four-stroke engines designed to meet 1998 emission standards. The specification table publishes typical values from the product data sheet, each with its ASTM method: kinematic viscosity at 40 °C and 100 °C, cold-cranking viscosity, base number, Noack volatility and foaming tendency, plus viscosity after shear and copper corrosion. Check those values and the API category against the engine manufacturer's requirement before ordering.
CH-4 Grade is a diesel engine oil for high-speed four-stroke diesel engines, including supercharged and turbocharged units, where API CH-4 performance is recommended. Available grades: CH4 15W40, CH4 20W50. API introduced CH-4 in 1998 for high-speed four-stroke engines designed to meet 1998 emission standards. Each grade is listed separately in the specification table with its viscosity at 100 °C, viscosity index, flash point, pour point, density and base number, so grades can be compared directly before ordering.
CI-4 10W-40 is a high-torque diesel engine oil in the SAE 10W-40 viscosity grade, formulated to API CI-4. API introduced CI-4 in 2002 for high-speed four-stroke engines designed to meet 2004 emission standards, including engines fitted with exhaust gas recirculation (EGR). The specification table publishes typical values from the product data sheet, each with its ASTM method: kinematic viscosity at 40 °C and 100 °C, cold-cranking viscosity, base number, Noack volatility and foaming tendency, plus viscosity after shear and copper corrosion. Check those values and the API category against the engine manufacturer's requirement before ordering.
CI-4 15W-40 is a high-torque diesel engine oil in the SAE 15W-40 viscosity grade, formulated to API CI-4. API introduced CI-4 in 2002 for high-speed four-stroke engines designed to meet 2004 emission standards, including engines fitted with exhaust gas recirculation (EGR). The specification table publishes typical values from the product data sheet, each with its ASTM method: kinematic viscosity at 40 °C and 100 °C, cold-cranking viscosity, base number, Noack volatility and foaming tendency, plus viscosity after shear and copper corrosion. Check those values and the API category against the engine manufacturer's requirement before ordering.
CI-4 20W-50 is a high-torque diesel engine oil in the SAE 20W-50 viscosity grade, formulated to API CI-4. API introduced CI-4 in 2002 for high-speed four-stroke engines designed to meet 2004 emission standards, including engines fitted with exhaust gas recirculation (EGR). The specification table publishes typical values from the product data sheet, each with its ASTM method: kinematic viscosity at 40 °C and 100 °C, cold-cranking viscosity, base number, Noack volatility and foaming tendency, plus viscosity after shear and copper corrosion. Check those values and the API category against the engine manufacturer's requirement before ordering.
CI4 Grade is a multigrade diesel engine oil based on mineral base oil, formulated with a high alkaline reserve (TBN) for corrosion control. Available grades: CI4 10W40, CI4 15W40. API introduced CI-4 in 2002 for high-speed four-stroke engines designed to meet 2004 emission standards, including engines fitted with exhaust gas recirculation (EGR). Each grade is listed separately in the specification table with its viscosity at 100 °C, viscosity index, flash point, pour point, density and base number, so grades can be compared directly before ordering.
CJ-4 10W-40 is a synthetic-technology diesel engine oil in the SAE 10W-40 viscosity grade, formulated to API CJ-4. API defines CJ-4 for high-speed four-stroke diesel engines designed to meet 2010 model-year on-highway and Tier 4 non-road emission standards, and for earlier diesel engines. The specification table publishes typical values from the product data sheet, each with its ASTM method: kinematic viscosity at 40 °C and 100 °C, cold-cranking viscosity, base number, Noack volatility and foaming tendency. Check those values and the API category against the engine manufacturer's requirement before ordering.
CJ4 Grade is a multigrade diesel engine oil for heavy-duty diesel engines, blended from fully synthetic base oil and an advanced additive package. Available grades: CJ4 10W40, CJ4 15W40. API defines CJ-4 for high-speed four-stroke diesel engines designed to meet 2010 model-year on-highway and Tier 4 non-road emission standards, and for earlier diesel engines. Each grade is listed separately in the specification table with its viscosity at 100 °C, viscosity index, flash point, pour point, density and base number, so grades can be compared directly before ordering.
CK-4 10W-40 is a fully synthetic diesel engine oil in the SAE 10W-40 viscosity grade, formulated to API CK-4. API defines CK-4 for high-speed four-stroke diesel engines designed to meet 2017 model-year on-highway and Tier 4 non-road emission standards, and for earlier diesel engines. The specification table publishes typical values from the product data sheet, each with its ASTM method: kinematic viscosity at 40 °C and 100 °C, cold-cranking viscosity, base number, Noack volatility and foaming tendency, plus viscosity after shear and copper corrosion. Check those values and the API category against the engine manufacturer's requirement before ordering.
GL-3 Grade is a gear oil for manual gearboxes and for helical and spiral gearboxes. Grades: GL3 68, GL3 100, GL3 220, GL3 320, GL3 680. API 1560 lists GL-3 as an inactive designation, originally for manual transmissions under moderate to severe conditions and spiral-bevel axles under mild to moderate conditions; it is not intended for hypoid axles. Every grade has its own row in the specification table, with viscosity at 100 °C, viscosity index, flash point, pour point and density.
GL-4 Grade is a gear oil range under API GL-4. Grades: GL4 75W80, GL4 85W90, GL4 85W140. API 1560 describes GL-4 as intended for axles with spiral-bevel gears under moderate to severe conditions, or hypoid gears under moderate conditions; it is also used in some manual transmissions and transaxles. Every grade has its own row in the specification table, with viscosity at 100 °C, viscosity index, flash point, pour point and density.
GL-5 75W-80 is a gear oil in the SAE 75W-80 viscosity grade, catalogued under API GL-5 and listed for manual gearboxes. API 1560 describes GL-5 as intended for gears, particularly hypoid gears, in axles operating under combinations of high-speed shock load and low-speed, high-torque conditions. Published typical values are a kinematic viscosity of 8.2 cSt at 100 °C, a viscosity index of 153 and a pour point of -33 °C, together with flash point, appearance and copper corrosion (ASTM D130) in the specification table.
GL-5 75W-90 is a gear oil in the SAE 75W-90 viscosity grade, catalogued under API GL-5 and listed for manual gearboxes. API 1560 describes GL-5 as intended for gears, particularly hypoid gears, in axles operating under combinations of high-speed shock load and low-speed, high-torque conditions. Published typical values are a kinematic viscosity of 15.5 cSt at 100 °C, a viscosity index of 173 and a pour point of -27 °C, together with flash point, appearance and copper corrosion (ASTM D130) in the specification table.
GL-5 80W-90 is a gear oil in the SAE 80W-90 viscosity grade, catalogued under API GL-5 and listed for manual gearboxes. API 1560 describes GL-5 as intended for gears, particularly hypoid gears, in axles operating under combinations of high-speed shock load and low-speed, high-torque conditions. Published typical values are a kinematic viscosity of 16.5 cSt at 100 °C, a viscosity index of 167 and a pour point of -27 °C, together with flash point, appearance and copper corrosion (ASTM D130) in the specification table.
GL-5 85W-140 is a gear oil in the SAE 85W-140 viscosity grade, catalogued under API GL-5 and listed for manual gearboxes. API 1560 describes GL-5 as intended for gears, particularly hypoid gears, in axles operating under combinations of high-speed shock load and low-speed, high-torque conditions. Published typical values are a kinematic viscosity of 28.3 cSt at 100 °C, a viscosity index of 147 and a pour point of -21 °C, together with flash point, appearance and copper corrosion (ASTM D130) in the specification table.
GL-5 85W-90 is a gear oil in the SAE 85W-90 viscosity grade, catalogued under API GL-5 and listed for manual gearboxes. API 1560 describes GL-5 as intended for gears, particularly hypoid gears, in axles operating under combinations of high-speed shock load and low-speed, high-torque conditions. Published typical values are a kinematic viscosity of 18.3 cSt at 100 °C, a viscosity index of 127 and a pour point of -21 °C, together with flash point, appearance and copper corrosion (ASTM D130) in the specification table.
