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Mobil Delvac™ 1 ATF
A synthetic fluid designed to meet the demanding requirements of modern heavy duty automatic transmissions. 
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Mobil Delvac Synthetic ATF

Mobil Delvac™ 1 ATF

Allison TES 295 Approved Synthetic Automatic Transmission Fluid
Mobil Delvac 1 ATF is a synthetic fluid designed to meet the demanding requirements of modern heavy duty automatic transmissions. The optimized synthetic base oil mixture, which contains proprietary component SuperSyn, enables excellent performance even in some of the most severe operating conditions. It offers outstanding gear changing and power transfer performance. Its unique formulation has been validated by Allison to satisfy all the test requirements that are part of the rigorous TES 295 specification.

transmissionCompared to conventional ATF fluids, the high viscosity index and stability of Mobil Delvac 1 ATF protects against thermal breakdown at high operating temperatures, while still providing outstanding performance at below zero temperatures. Mobil Delvac 1 ATF is recommended for use in modern high performance trucks, buses, utility vehicles, haulers, vans and other equipment requiring an Allison TES 295 approved lubricant.

Mobil Delvac Synthetic ATF

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.

Finally, when seeking a fluid for your Allison transmission that is TES 295 approved, look and/or ask for one of two things: the Allison TES 295 approval number (Mobil Delvac 1 ATF’s approval number is AN-051005), and/or the Allison Approved logo.

Mobil Delvac 1 ATFValue
Viscosity, ASTM D 445 
cSt @ 40º C39
cSt @ 100º C7.3
Brookfield Viscosity, ASTM D 5293 
-cP @ -40º C8,400
Viscosity Index, ASTM D 2270168
Pour Point, ºC, ASTM D 97-54
Flash Point, ºC, ASTM D 92236
Density @15º C kg/l, ASTM D 40520.85

Engineered from an advanced, proprietary additive system, and an optimized, fully synthetic base oil mix containing SuperSyn, Mobil Delvac 1 ATF tackles some of the most extreme conditions to extend drain intervals compared to modern ATFs meeting Allison’s mineral oil level specification TES 389.