Mobil Delvac 1™ ATF

Mobil commercial-vehicle-lube , United Kingdom

Advanced Technology Synthetic Automatic Transmission Fluid

Product Description

Mobil Delvac 1 ATF is a fully synthetic fluid recommended by Allison Transmission, Inc. approved against the Allison TES-295 Specification.  The fluid is designed to meet the demanding requirements of modern heavy duty automatic transmissions. The synthetic base oil composition enables excellent performance even in some of the harshest of operating conditions. It offers outstanding gear shifting and power transfer performance. Versus conventional ATF fluids, the inherently high viscosity index and stability of  Mobil Delvac 1 ATF protects against thermal breakdown at high operating temperatures, while still providing outstanding performance at sub-zero temperatures.


Features and Benefits

Mobil Delvac 1 ATF advanced technology has demonstrated extended drain, long-term friction retention, and low-temperature capability. Further, it improves overall transmission durability and cleanliness. Key features and benefits include



Advantages and Potential Benefits

Enhanced, long-term frictional properties.

Helps improve overall and extends transmission efficiency, smooth shifting performance and fuel economy.

Exceptional thermal and oxidation stability.

Keeps transmissions clean to extend life and performance even under some of the harshest driving conditions.

Outstanding film-strength and anti-wear properties.

Significant wear reduction and long transmission life.

Excellent low-temperature fluidity.

Provides prompt and reliable lubrication at sub-zero ambient temperatures down to –54º C.

Exceptional shear stability.

Leads to viscosity retention even under the severest heavy duty, high temperature operating conditions.

Compatible with mineral ATF fluids

Reduced concern in top-off situations and excellent seal materials leakage control.



Mobil Delvac 1 ATF is recommended by ExxonMobil for use in modern high performance trucks, buses, utility vehicles, haulers, vans and other equipment requiring Allison TES-295 or MB-Approval 236.91 performance levels.


Specifications and Approvals

This product has the following approvals:

Allison TES-295

Allison TES-468

MB-Approval 236.91

VOITH TURBO DIWA Service Bulletin 013 -Extended Drain

VOITH TURBO DIWA Service Bulletin 118 - Extended Drain

VOITH TURBO H55.6336.xx





MAN 339 Typ V2

MAN 339 Typ Z12

MAN 339 Typ Z3




Properties and Specifications


Brookfield Viscosity @ -40 C, mPa.s, ASTM D2983


Color, AMS 1771


Density @ 15.6 C, g/ml, ASTM D4052


Flash Point, °C, ASTM D92


Kinematic Viscosity @ 100 C, mm2/s, ASTM D445


Kinematic Viscosity @ 40 C, mm2/s, ASTM D445


Pour Point, °C, ASTM D97


Viscosity Index, ASTM D2270



Health and safety

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

All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries unless indicated otherwise.


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You can always contact our Technical Help Desk engineers on Mobil lubricants and services related questions:

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Typical Properties are typical of those obtained with normal production tolerance and do not constitute a specification.  Variations that do not affect product performance are to be expected during normal manufacture and at different blending locations.  The information contained herein is subject to change without notice. All products may not be available locally. For more information, contact your local ExxonMobil contact or visit
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