BULWARK HERCULES HD oils are high performance, heavy duty multi-grade diesel engine oils of the latest generation. They are specifically designed to lubricate a wide range of diesel engines equipped with EGR, SCR & NOx reduction systems requiring API CI-4 or ACEA E7 performance requirements and more challenging OEM specifications. 

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BULWARK HERCULES HD oils are manufactured using premium hydrocracked mineral base stocks and high-performance additives to provide reliable and superior all year-round performance. Recommended for use in naturally aspirated and turbo-charged high speed 4-stroke diesel engines without diesel particulate filters (DPF) deployed in commercial road transport and off highway applications, where standard drain interval API CI-4 oils are specified.   

Performance Level

• API CI-4, CH-4/SL 

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• ACEA E7-12 

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• MB 228.3

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• MAN M3275-1

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• MTU TYPE 2

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• VOLVO VDS-3; RENAULT RLD-2 

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• CUMMINS CES 20077/78

Key benefits

• High performance hydrocracked base oil and balanced metallic detergent/dispersant additive reduces maintenance costs and maintain excellent engine cleanliness in all service conditions. 

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• Improved BN reserves and acid neutralizing additives supports use of diesel with varying sulphur content and provides optimum engine protection.

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• Preserves the oil performance and stays in grade till the end of service life as a result of excellent and optimized combination of additive & shear stable VI Improver.