
Chevron API CJ-4 and API CI-4 PLUS heavy-duty diesel engine oils meet the Caterpillar ECF-2 specification for pre-2007 on-road and any off-road Caterpillar engines no larger than the C3500.
- CJ-4 products meeting both ECF-2 and ECF-3 include the Delo 400 LE Multigrade and Texaco Ursa Premium TDX EC
- CI-4 PLUS products meeting ECF-2 include the Delo 400 Multigrade, RPM SAE and Texaco Ursa Super Plus
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