It minimizes sludge and varnish formation and provides outstanding anti-wear protection, deposit control, and extends overall engine life under the toughest driving conditions.

WARCO Heavy Duty SAE-40 Diesel Engine Oil meets or exceeds CF-4 classification and has been field tested to be comparable to many American, Asian and European manufacturers' standards and other specifications where a Heavy Duty CF-4 engine oil is recommended.

• Exceeds API service CF-4 and TBN 10
• Excellent cold-crank capabilities
• Outperforms conventional motor oil
• Helps optimize fuel economy