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Mobil Delvac 1™ ESP

High performance heavy-duty diesel engine oil

Mobil Delvac 1 ESP is a fully synthetic, high performance heavy-duty diesel engine oil that helps extend engine life while providing long drain capability and potential fuel economy for modern diesel engines operating in severe applications.

Mobil Delvac 1 ESP maintains outstanding performance at significantly higher temperatures than other high-performance diesel engine oils and with its long drain capability potentially can help increase operating efficiency and lower overall cost. It is also fully compatible with conventional oils.

We recommend it for use in a wide range of heavy-duty applications and operating environments, such as:
  • All super high performance diesel applications, including modern low emission engine designs with Exhaust Gas Recirculation (EGR), After treatment systems with Diesel Particulate Filters (DPFs) and Diesel Oxidation Catalysts (DOCs)
  • On-highway engines operating in both high-speed/high-load and stop-and-go conditions
  • Off-highway engines operating in severe low-speed/heavy-load conditions
  • Virtually all diesel-powered equipment from American and European equipment builders
  • High-performance gasoline engines and mixed fleets
  • Refrigeration units

Features and benefits

Meets or exceeds demanding specifications of major OEMs

  • One engine oil for mixed fleet operations

Outstanding thermal and oxidation stability

  • Reduced low temperature sludge build-up and high temperature deposits

Enhanced film strength at high temperatures

  • Reduced engine scuffing and bore polishing

Inherent stay-in-grade shear stability

  • Wear protection and reduced oil consumption; maintains viscosity in severe, high temperature service

Advanced formulation and viscometrics

  • Improved fuel economy

Low volatility

  • Reduced oil consumption

Exceptional low temperature pumpability

  • Easy engine start-up and reduced wear

Enhanced TBN quality reserve

  • Deposit control and extended drain capability

Outstanding resistance to corrosion

  • Extended life of critical wear surfaces

Long drain capability

  • Increased operating efficiency and lower overall cost

Component compatibility

  • Long gasket and seal life, extended service intervals

  • 5W-40

    Specifications and approvals

    Mobil Delvac 1 ESP meets or exceeds the requirements of:

    • API CJ-4/CI-4 PLUS/CI-4/CH-4/SM/SL
    • ACEA E7, E9
    • Caterpillar ECF-3, ECF-2
    • Cummins CES 20081
    • Twin Disc S364A

    Mobil Delvac 1 ESP has the following builder approvals:

    • Detroit Diesel Power Guard Oil Specification 93K218
    • Deutz DQC III-10 LA
    • Mack EO-O Premium Plus, EO-N Premium Plus 03
    • MAN M 3277
    • MB-Approval 228.31
    • MTU Category 2.1
    • Volvo VDS-4, VDS-3

    Mobil Delvac 1 ESP is recommended by ExxonMobil for use in applications requiring:

    • API CG-4

    Technical details

    SAE Grade 5W-40
    Viscosity, ASTM D 445
    cSt @ 40ºC 98
    cSt @ 100ºC 14.7
    Viscosity Index, ASTM D 2270 156
    Sulfated Ash, wt%, ASTM D 874 1.0
    Total Base #, mg KOH/g, ASTM D 2896   10.1
    Pour Point, ºC, ASTM D 97 -48
    Flash Point, ºC, ASTM D 92 249
    Density @ 15ºC kg/l, ASTM D 4052         0.85


    View product data sheet for Mobil Delvac 1™ ESP 5W-40



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