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 20W-50 CI-4/SL Diesel Engine Oil outperforms conventional motor oil and meets or exceeds the American Petroleum Institute (API) CI-4 / SL classifications and all prior API specifications including CH-4, CG-4, CF-4, CF-2, CF and API SJ, and SH. It has been field tested to be comparable to most American, Asian and European manufacturers’ standards including Mack EO-M Plus, Cummins CES 20078, Volvo VDS / VDS-2, Caterpillar ECF-1, MAN 3275, MB 228.32, and many other OEM’s specifications where a heavy duty API CI-4/SL engine oil is recommended.

APPROVALS: CI-4/SL

Field Tested: Mack EO-M Plus, Cummins CES 20078, Volvo VDS / VDS-2, Caterpillar ECF-1, MAN 3275, MB 228.32

• For diesel, propane and gasoline engines
• Exceeds API CI-4 / SL service
• Excellent cold-crank capabilities
• Outstanding anti-wear protection