Royal Purple Duralec Ultra Diesel 15W-40 CK-4 Motor Oil – 1 Gallon

Description

Royal Purple Duralec Ultra Diesel 15W-40 CK-4 Motor Oil is engineered with premium base oils combined with Royal Purple’s proprietary Synerlec additive technology to deliver exceptional engine protection and performance. This advanced synthetic formulation ensures a robust oil film that provides up to four times the lubricity and film strength of leading competitors, effectively reducing engine wear and extending engine life. Designed for heavy-duty diesel engines, the oil excels in demanding on and off-highway applications such as trucking, construction, agriculture, and mining, making it a versatile choice for commercial and industrial use.
The formulation’s superior solvency actively minimizes engine deposits, keeping internal components cleaner and promoting optimal engine efficiency. With improved cold start performance, this oil ensures reliable lubrication during low-temperature operation, reducing cold flow issues and startup wear. Additionally, its extended oil life—lasting up to 40% longer than CK-4 standards—reduces maintenance intervals and lowers overall ownership costs.
Royal Purple recommends Duralec Ultra Diesel 15W-40 for older high-output diesel engines that demand maximum protection and reliability. Its ability to cut down on oil consumption and enhance cold weather performance makes it an excellent choice for fleet operators and industrial machinery owners seeking high-performance, durable motor oil. This product complies with industry standards, ensuring quality and dependability in critical heavy-duty applications, and is suitable for use in a variety of demanding operating environments.
Please note that this product is air freight prohibited and requires special handling during shipping, emphasizing its industrial-grade quality and performance capabilities.

Features:

• Premium base oils combined with proprietary Synerlec additive technology for superior film strength and lubricity

• Excellent wear protection—up to 33% better than CK-4 requirements

• Extended oil life—up to 40% longer than industry standards

• Enhanced cold flow operation for reliable cold start performance

• Reduces engine deposits for cleaner and more efficient engine operation

• Suitable for heavy-duty diesel engines in demanding applications such as trucking, agriculture, construction, and mining