Product Description

Mobil Delvac 1 LE 5W-30 is a fully synthetic, heavy-duty diesel engine oil that combines advanced engine protection for modern low emissions vehicles with enhanced fuel economy potential¹ and other sustainability-related benefits such as engine durability, emissions system protection and extended drain capability.

Mobil Delvac 1 LE 5W-30 utilizes state-of-the-art technology to deliver exceptional performance and is well suited for an extensive array of diesel-powered commercial vehicles for both on- and off-highway use in industries such as transportation, mining, construction and agriculture. Mobil Delvac 1 LE 5W-30 meets or exceeds an extremely broad range of industry and manufacturer specifications from around the world.

¹ Relative to 15W-40 engine oil – Actual fuel economy improvement is dependent on vehicle/equipment type, outside temperature, driving conditions and your current fluid viscosity.

Features and Benefits

•Formulated with advanced synthetic base stocks to help improve fuel economy*

•Unsurpassed oxidation stability† that helps reduce engine deposits to keep engines running reliably

•Excellent anti-wear and anti-scuff properties help control wear in heavy-duty operation to help promote long engine life

•Excellent low-temperature performance allows for increased oil flow to critical bearing surfaces at startup and controls low-temperature sludge formation in stop-and-go service

•Stay-in-grade shear stability maintains viscosity in severe, high-temperature service, provides wear protection and helps reduce oil consumption

•Outstanding protection against oil thickening and degradation contributes to long drain interval capability, helping to reduce the number of oil changes and oil disposal needs

Features Advantages and Potential Benefits
Advanced Wear Protection Engine Durability
Enhanced Fuel Economy Potential Reduced Fuel Consumption
Extended Drain Interval Capability Fewer Oil Changes and Less Oil Disposal
Emissions System Protection Emissions System Durability and Performance
Excellent Low Temperature Performance Easier Starting in Cold Weather


•  Heavy Duty Diesel Engines including Euro V/VI and US EPA 2007/2010 Modern Low Emissions Vehicles, Utilizing Technologies such as Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR), Continuously Regenerating Traps (CRT), Diesel Oxidation Catalysts (DOC) and Exhaust Gas Recirculation (EGR)

•  Heavy Duty Diesel Engines using low sulfur diesel fuels and many biodiesel fuel formulations

•  Naturally Aspirated and Turbo-Charged Diesel Powered Equipment

•  On-Highway Short-Haul and Long-Haul Trucks and Buses

•  Off-Highway Mining, Construction and Agricultural Equipment

Please refer to the owners handbook for OEM application requirements and oil drain intervals for your vehicle or equipment

Specifications and Approvals

This product has the following approvals:
Detroit Fluids Specification 93K218
Mack EO-O Premium Plus
MANM 3271-1
MANM 3477
MANM 3677
MB-Approval 228.31
MB-Approval 228.51
MTU Oil Category 3.1
Scania LDF-4
This product is recommended for use in applications requiring:
MANM 3575
This product meets or exceeds the requirements of:
Cummins CES 20081
DAFExtended Drain
Ford WSS-M2C171-E

Properties and Specifications

Grade SAE 5W-30
Total Base Number, mgKOH/g, ASTM D2896 13
Cold-Cranking Simulator, Apparent Viscosity @ -30 C, mPa.s, ASTM D5293 6300
Kinematic Viscosity @ 100 C, mm2/s, ASTM D445 12.2
Kinematic Viscosity @ 40 C, mm2/s, ASTM D445 74
Pour Point, °C, ASTM D97 -42
Density @ 15.6 C, g/ml, ASTM D4052 0.85
Ash, Sulfated, mass%, ASTM D874 0.95
Flash Point, Cleveland Open Cup, °C, ASTM D92 234

Health and safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @


It cannot be guaranteed that the product information given above is up to date. For the latest version of the Product Data Sheet we refer to the product library of ExxonMobil.