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A Recommended API classification
Refer to the following table for the suitable American Petroleum Institute (API) classification of engine oil according
to the engine type (with internal EGR, external EGR or non-EGR) and the Fuel Type Used : (Low Sulfur, Ultra Low
Sulfur or High Sulfur Fuels).
Fuel type
CF
High Sulfur Fuel
(If the "CF-4, CG-4, CH-4 or CI-4" engine oil is used
[0.05 % (500 ppm)
with a high-sulfur fuel, change the engine oil at
Sulfur Content <
shorter intervals. (approximately half))
0.50 % (5000 ppm)]
Low Sulfur Fuel
[Sulfur Content <
0.05 % (500 ppm)] or
CF, CF-4, CG-4, CH-4 or CI-4
Ultra Low Sulfur Fuel
[Sulfur Content <
0.0015 % (15 ppm)]
EGR: Exhaust Gas Re-circulation
Engine oil classification (API classification)
Engines with non-EGR
Engines with internal EGR
MAINTENANCE
Engines with external EGR
---
CF or CI-4
(Class CF-4, CG-4 and CH-4 engine, oils
cannot be used on EGR type engines.)
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