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Heavy Duty Diesel Engine Oil, commonly known as Bel-Ray 21st Century Motor Oil, is a high performance motor oil for heavy-duty diesel and gasoline engines. Heavy Duty Diesel Engine Oil is formulated to meet or exceed the performance requirements of many of today’s off-highway engines. The Extreme Pressure capabilities of Heavy Duty Diesel Engine Oil reduce wear significantly extending the life of rings, liners and main bearings. Heavy Duty Diesel Engine Oil provides superior soot handling and acid neutralization capabilities making it suitable for modern diesel engines fitted with EGR systems or in areas of the world where fuel sulfur levels vary significantly. Heavy Duty Diesel Engine Oil will extend drain intervals and component life significantly reducing engine oil related costs.

Grade Class:	SAE 10W30
Basestock Class:	Mineral (Group I/1)
Industries:
Generic Applications:	Engine
Primary Applications:	Heavy Duty (HD) Engine
Secondary Applications:
Product Features:
Product TDS:	Download DTS

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PERFORMANCE LEVEL

OEM Specs ACEA A3/B3 ACEA E5 ACEA E7 API CI-4 API SL Caterpillar (CAT) ECF-1A Caterpillar (CAT) ECF-2 Cummins CES 20078 Detroit Diesel Corporation (DDC) Power Guard Oil Specification (PGOS) 93K215 Global DHD-1 Mack EO-M Plus Mack EO-N Volvo VDS-2 Volvo VDS-3

OEM Approvals Mercedes Benz (Daimler AG) MB 228.1 Mercedes Benz (Daimler AG) MB 228.3 Mercedes Benz (Daimler AG) MB 229.1