Mobil Delvac 1640 Monogrades

Heavy Duty Diesel Engine Oils

Product Description
Mobil Delvac 1630 and 1640 are extra high performance diesel engine oils formulated from advanced base oils and a
balanced additive system to meet or exceed the demanding specifications of the world’s leading builders of modern diesel
engines. They are recommended by ExxonMobil for use in European and Japanese-designed intercooled, highly
turbocharged engines operating under the most severe on and off-highway conditions.

Features and Benefits
Today’s low emission engines place increasing demands on engine lubricants. Tighter engine designs reduce oil
consumption, resulting in less fresh oil make-up to replenish depleted additives. Higher piston top ring positioning brings the
oil film closer to the extreme combustion temperatures increasing thermal stress on the lubricant. Higher fuel injection
pressure and retarded timing improve burn efficiency, but also increase engine part loading, temperatures, and soot in the
oil. The advanced technology in Mobil Delvac 1630 and 1640 provides exceptional performance in both modern diesel
engines as well as older models.

Applications
Recommended by ExxonMobil for use in:

Diesel-powered equipment from leading diesel engine manufacturers
On-highway light and heavy-duty trucking
Off-highway industries including: construction, quarrying, and agriculture
Mixed diesel and gasoline fleets

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