Duralec® Ultra™ combines premium base oils with Royal Purple’s proprietary additive technology, Synerlec®, to create a high-performance motor oil that optimizes engine performance and provides superior protection in rigorous on/off highway applications. Synerlec provides unsurpassed film strength and lubricity – up to 4X more than top competitors. In addition, advanced synthetic solvency reduces engine deposits and keeps engines clean. The net result is a better performing engine, with reduced downtime and lower cost of ownership. Royal Purple recommends for use in a variety of heavy-duty applications including commuting, over-the-road trucking, agriculture, construction and mining.
ADVANTAGES
- Extraordinary performance in older generation, high-output diesel engines
- Maximum wear protection – up to 33% better than CK-4 requirements
- Improved cold flow operation and start-up protection
- Extended oil life – up to 40% better than CK-4 requirements
- Reduced oil consumption
EXCEEDS INDUSTRY STANDARDS
Duralec Ultra engine oils meet/exceed performance requirements of API Service CK-4, CJ-4, CI-4+ for HD diesel engine oils.
Recommended For:
- ACEA E7-16 & E9-16
- CAT ECF-1, ECF-2 & ECF-3
- Cummins CES 20076, 20077, 20078, 20081 & 20086
- Daimler MB 228.3 & 228.31
- Detroit Diesel DFS 93K214 & 93K222
- Ford WSS-M2C171-F1
- Mack EO-N Premium Plus & EO-S 4.5
- MTU 2 & 2.1
- Renault RLD, RLD-2 & RLD-4
- Volvo VDS-3 & VDS 4.5
