Mobil Delvac Modern™ 15W-40 Full Protection

Description

Mobil Delvac Modern 15W-40 Full Protection is a premium heavy-duty diesel engine oil formulated to deliver exceptional protection and extended engine life in demanding on-road and off-road applications. It is compatible with biodiesel fuels and engineered for modern, high-output, low-emission diesel engines equipped with Exhaust Gas Recirculation (EGR), Diesel Particulate Filters (DPFs), and Diesel Oxidation Catalysts (DOCs). Its advanced formulation also provides complete backward compatibility, ensuring reliable performance and wear protection for older conventional diesel engines. Mobil Delvac Modern 15W-40 Full Protection meets or exceeds the performance requirements of API CK-4, CJ-4, CI-4 PLUS, and CH-4, while also satisfying the specifications of leading original equipment manufacturers (OEMs).

Features and Benefits

Mobil Delvac Modern 15W-40 Full Protection is formulated with high-quality base oils and advanced additives to deliver excellent protection for both modern and older diesel engines. It controls soot-related oil thickening, supports extended drain intervals, and provides outstanding resistance to oxidation, wear, corrosion, oil consumption, and high-temperature deposits for reliable engine performance.

Features	Advantages and Potential Benefits
Superior soot-viscosity control	Helps to maintain engine efficiency, long engine life and long oil life
Outstanding thermal and oxidative stability	Helps to reduce low temperature sludge build-up and high temperature deposits
Excellent oil consumption control	Helps to lower oil costs due to less make-up oil during operation
Excellent TBN reserves	Helps to improve corrosion protection and to extend drain intervals
Stay-in-grade shear stability	Helps to maintain viscosity in severe, high temperature service for greater wear protection and long engine life
Excellent low temperature pumpability	Fast oil flow and helps to reduce wear during engine start-up in low temperatures
Superb resistance to corrosive and abrasive wear.	Long life of critical wear surfaces
Component compatibility	Long gasket, seal, and after treatment (DPF and DOC) life
Meets demanding specifications of key OEMs and latest API gasoline service category	One engine oil for mixed fleet operations

Applications

Mobil Delvac Modern 15W-40 Full Protection is recommended for:

Modern and conventional heavy-duty diesel engines, including Euro V and Euro VI vehicles.
Engines equipped with DPF, SCR, DOC, and EGR emission control systems.
On-highway trucks and off-highway equipment used in construction, mining, quarrying, and agriculture.
High-performance gasoline engines and mixed fleet operations.
Diesel-powered equipment from leading American, European, and Japanese OEMs.

Properties and Specifications

Property
Grade	SAE 15W-40
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445	109
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445	14
Flash Point, Cleveland Open Cup, °C, ASTM D92	225
Viscosity Index, ASTM D2270	130
Total Base Number, mgKOH/g, ASTM D4739	94
Pour Point, °C, ASTM D97	-33
Ash, Sulfated, mass%, ASTM D874	0.9
Density @ 15 C, g/ml, ASTM D1298	0.875