It helps extend overall engine life by minimizing sludge and varnish formation and providing outstanding anti-wear protection and deposit control even under the toughest driving conditions.

WARCO Heavy Duty Synthetic Blend SAE 25W-60 CF-4 Diesel Engine Oil meets or exceeds the American Petroleum Institute (API) CF-4 / SF classications and all prior API specifications. It has been field tested to be comparable to most American, Asian and European manufacturers’ standards including Caterpillar, Mack EO-M, Cummins CES 20071, Volvo VDS, and power shift transmissions specifying Allison C-4, CAT TO-2 and many other OEM’s specications where a heavy duty API CF-4 engine oil is recommended.

APPROVALS: CI-4/SL

Field Tested: Caterpillar, Mack EO-M, Cummins CES 20071, Volvo VDS