We compared our CK-4 Mobil Delvac™ 1300 Super engine oils to our CJ-4 Mobil Delvac 1300 Super engine oils. The test results showed that the CK-4 oils provided 20 percent improved wear protection,* 50 percent improved oxidation resistance† and 80 percent improved high-temperature viscosity control.† In addition, the FA-4 oils showed enhanced fuel economy potential (for FA-4 products only) and protection beyond original equipment manufacturer (OEM) ODIs.
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Mobil Delvac 1™ ESP 5W-30 and Mobil Delvac 1™ Advanced Fuel Economy 5W-30 are advanced full synthetic diesel engine oils that provide extended drain capability and exceptional low-temperature performance with the potential to improve fuel economy.‡ They meet or exceed the requirements of OEMs, and their state-of-the-art technology provides:
Mobil Delvac Extreme and Mobil Delvac Extreme™ FE are premium synthetic blend, high-performance diesel engine oils that help extend engine life while providing long drain capability for modern diesel engines operating in extreme conditions. Their boosted formulation provides:
Mobil Delvac 1300 Super and Mobil Delvac™ Super FE are advanced diesel engine oils that meet or exceed OEM requirements and deliver high performance in both on- and off-highway applications. Their carefully tailored formulation provides:
*Based on a comparison of Cummins ISM and Mack T-12 engine test results. †Based on a comparison of Volvo T-13 test results. ‡Compared to a 15W-40 conventional engine oil. Actual savings are dependent upon vehicle/engine type, outside temperature, driving conditions and your current engine oil viscosity. §Average OEM ODI recommendation based on recommended oil drain intervals from major U.S. engine manufacturers using API CJ-4 oils for a variety of service severity levels and engine models. Average OEM ODI API CJ-4 recommendation to substantiate multiplier claims is 31,750 miles. Results may vary based on vehicle/engine condition, driving and environmental conditions. Consult OEM or ExxonMobil before implementing extended ODIs, especially if the equipment/vehicle is under the OEM’s warranty. **Based on measured viscosity increase in the Volvo T-13 test.
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