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Mobil Delvac 1™ LE 5W-30 synthetic diesel engine oil

View all products in High speed engine oils
Push boat in the Tennessee river

Mobil Delvac 1™ LE 5W-30 fully synthetic diesel engine oil is especially suitable for heavy-duty diesel engines using low sulphur fuels and biodiesel fuel formulations – including main propulsion engines for lifeboats and tugs, as well as generators and winch engines.

It is formulated to withstand extreme operating conditions found in modern engines. This includes engines with inter-coolers and turbochargers, as well as older, naturally aspirated engines.

Mobil Delvac 1 LE 5W-30 engine oil may offer:

  • Outstanding wear protection for prolonged engine life
  • Improved fuel economy potential*
  • Extended drain intervals, enabling fewer oil changes and less oil disposal
  • Excellent low-temperature performance, enabling easier startup in cold weather

*Compared with conventional alternatives.

Related product

Mobil Delvac MX™ 15W-40 engine oil

Mobil Delvac MX™ 15W-40 is a high-performance mineral engine oil recommended for use in marine high-speed diesel engines.

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Data sheets

Inland and Coastal
Extended Life
Enhanced Wear Protection
Low Temperature
Synthetic

Product Information

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Mobil Delvac 1™ LE 5W-30 performance profile784.33 KB
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  • 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

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

Specifications and Approvals

Mobil Delvac 1 LE 5W-30 meets or exceeds the requirements of: 5W-30
ACEA E9 X
Cummins CES 20081 X
DAF Extended Drain X
Ford WSS-M2C171-E X
ACEA E7 X
ACEA E6 X
API CJ-4 X
API CI-4 PLUS X
API CI-4 X
API SN X
JASO DH-2 X
Caterpillar ECF 3 X
Mobil Delvac 1 LE 5W-30 has the following builder approvals: 5W-30
MB-Approval 235.28 X
Deutz DQC IV-10 LA X
Detroit Fluids Specification 93K218 X
Mack EO-O Premium Plus X
MTU Oil Category 3.1 X
Renault Truck RLD-3 X
Renault Truck RLD-2 X
Scania Low Ash X
Avtodisel YaMZ-6-12 X
MB-Approval 228.51 X
MB-Approval 228.31 X
MAN M 3677 X
MAN M 3477 X
MAN M 3271-1 X
Volvo VDS-4 X
Volvo VDS-3 X
Voith Retarder Oil Class B X
Mobil Delvac 1 LE 5W-30 is recommended by ExxonMobil for use in applications requiring: 5W-30
Renault Truck RGD X
Renault Truck RXD X

Typical Properties

Mobil Delvac 1 LE 5W-30
SAE Grade 5W-30
Density @ 15ºC, kg/l, ASTM D 4052 0.855
Viscosity, ASTM D 445

cSt @ 40ºC 69
cSt @ 100ºC 11.8
Viscosity Index, ASTM D 2270 168
Sulfated Ash, wt%, ASTM D 874 1.0
Total Base #, mg KOH/g, ASTM D 2896 10
Pour Point, ºC, ASTM D 97 -51
Flash Point, ºC, ASTM D 92 234

Features and Benefits

High output, low emissions engines significantly increase demands on engine lubricants. Tighter engine design reduces oil consumption, resulting in less fresh oil makeup to replenish depleted additives. Thermal stresses on the lubricant are increased with the use of inter-coolers and turbochargers. Higher fuel injection and cylinder pressures and retarded timing improve burn efficiency, but also increase engine temperatures, volatility, and soot loading of the oil. The advanced technology in Mobil Delvac 1 LE 5W-30 delivers exceptional performance in these severe conditions while protecting emissions systems.
Features Advantages and Potential Benefits
Advanced Wear Protection Engine Durability
Enhanced Fuel Economy Potential1 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
 1 Relative to conventional 15W-40 engine oil - Actual fuel economy improvement is dependent on vehicle/equipment type, outside temperature, driving conditions and your current fluid viscosity.

Applications

  • Tugboat in the sunset

    Mobil Delvac 1™ ESP extends oil change intervals to 3000 hours

    M.G. Kailis, a leading Australian seafood company, changed to Mobil Delvac 1™ ESP on their finishing vessels that benefitted with fuel savings and oil change intervals.

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  • Ship in the river during a sunset

    AEP River Operations cut oil use and reduce waste by using Mobil Delvac 1™ ESP 5W-40 synthetic lubricants

    By switching to Mobil Delvac 1™ ESP 5W-40 and using Mobil Serv℠ Lubricant Analysis, it’s able to extend oil change intervals and decrease oil usage and waste management.

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  • Cargo shipping port at night

    Ports directory

    Use the lubricants ports and services directory to view our offer.

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    Mobil Serv℠ Lubricant Analysis

    This state-of- the-art programme helps you prolong engine life, avoid unscheduled downtime and maintain equipment reliability.

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