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Mobil Delvac 1™ Transmission Fluid 50

Mobil Delvac 1™ Transmission Fluid 50

Supreme performance transmission lubricant

Mobil Delvac™ Synthetic Transmission Fluid 50 was renamed Mobil Delvac 1™ Transmission Fluid 50, and is in market now. Get more information about product name changes.

Mobil Delvac 1 Transmission Fluid 50 is a full synthetic, manual transmission lubricant engineered to meet some of the most demanding extended drain and original equipment manufacturer (OEM) warranty requirements.

Mobil Delvac 1 Transmission Fluid 50 is recommended for year-round lubrication of manual transmissions in light- to severe-duty on- and off-highway equipment operating in a wide range of environments.

Designed to provide maximum protection and extended operating life to heavy-duty transmissions, Mobil Delvac 1 Transmission Fluid 50 provides significant advantages over conventional sulfur-phosphorus gear oils, including outstanding high-temperature performance, oxidation stability, wear protection and corrosion control.

The outstanding performance of Mobil Delvac 1 Transmission Fluid 50 is confirmed by its approval for heavy-duty transmissions covered by Eaton Roadranger and Extended Warranties of 750,000 miles, with oil drains of 500,000 miles. It is also approved by Mack against its TO-A Plus 500,000 mile extended service classification.

Mobil Delvac 1 Transmission Fluid 50 meets or exceeds the requirements of the API service MT-1 EP gear oil service classification and is recommended by ExxonMobil for use in transmissions and gear cases where API Service GL-1 through GL-4 gear protection is required.

Features and benefits

  • Outstanding load-carrying and anti-wear properties provide significant wear reduction, which can contribute to long transmission life
  • Excellent low-temperature fluidity helps to provide prompt and reliable lubrication at sub-freezing ambient temperatures
  • Outstanding protection against deposit formation leads to longer seal life, extended drain and service intervals
  • Exceptional shear stability ensures viscosity retention, even under some of the most severe heavy-duty, high-temperature operating conditions
  • Superb protection from corrosion of copper and its alloys protects and extends life of synchronizers

  • Details

    Specifications and approvals

    Mobil Delvac 1 Transmission Fluid 50 meets or exceeds the requirements of the following industry and builder specifications:

    • API MT-1

    Mobil Delvac 1 Transmission Fluid 50 has the following builder approvals:

    • Mack TO-A PLUS
    • Navistar MPAPS B-6816 Type 1

    Mobil Delvac 1 Transmission Fluid 50 is recommended by ExxonMobil for use in applications requiring:

    • Eaton PS-164 Rev 7

    Technical details

    SAE Grade 50
    Viscosity, ASTM D 445
    cSt @ 40ºC 132
    cSt @ 100°C 17.6
    Viscosity Index, ASTM D 2270 146
    Pour Point, ºC (ASTM D 97) -46
    Flash Point, ºC (ASTM D 92)                     221
    Density @15º C g/ml, (ASTM D 4052) 0.86


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