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. 

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 

  • ACEA E7-12 

  • MB 228.3

  • MAN M3275-1

  • MTU TYPE 2

  • VOLVO VDS-3; RENAULT RLD-2 

  • 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. 

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

  • 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.

Hercules HD 15W-40, 20W-50

Heavy Duty Diesel Engine Oil (HDDEO)