top of page



Automatic Transmission Fluid For Allison Transmission.

Looking for the best Automatic Transmission Fluid (ATF) for your Allison Transmission? Look no further than DURADRIVE HD SYNTHETIC 668 from Petro-Canada Lubricants. Chosen as the first fill in every TES 668™ specified transmission that leaves the factory, DURADRIVE HD SYNTHETIC 668 is the leading choice for those who want their Allison transmissions to perform the way they were built to perform, and to last the way they were built to last.

With advanced formulations and exceptional technical prowess, DURADRIVE HD SYNTHETIC 668 is the only ATF that meets and exceeds the new TES 668™ standard, enabling Allison to take their transmissions to the highest levels of performance they have ever achieved. Not only does it reduce wear and unplanned maintenance, but it also increases the lifespan of your Allison transmission.

DURADRIVE HD SYNTHETIC 668 also provides superior performance enhancement, with anti-shudder and torque control that leads to smoother acceleration even under demanding conditions. It offers excellent equipment protection, with improved wear protection and component life that leads to greater transmission longevity and asset value.

Allison extensively tested and evaluated DURADRIVE HD SYNTHETIC 668, and their decision was to go with Petro-Canada Lubricants. To meet the new specification, DURADRIVE HD SYNTHETIC 668 was tested under highly demanding conditions, including thousands of hours of intense testing within an Allison transmission at severe conditions beyond standard operating parameters. It was also tested in frigid winter conditions as low as -40°C/°F and in the heat of the desert to ensure its ability to handle the widest temperature extremes.

DURADRIVE HD SYNTHETIC 668 completed the rigorous Allison ATF validation program, making it the choice for Allison factory fill fluid and the best choice for you. With 2 times better oxidation control than the reference fluid, excellent oil thickening control, and exceptional volatility control enabled by our unique 99.9% pure base oil quality, DURADRIVE HD SYNTHETIC 668 is the leading choice for those who demand the best for their Allison transmissions.

So, if you want to experience the benefits of improved durability, enhanced performance, and superior equipment protection for your Allison transmission, choose DURADRIVE HD SYNTHETIC 668. Allison demanded the best, and so should you.

Features & Benefits

Outstanding resistance to oxidative and thermal breakdown

  • Prevents corrosion and the formation of harmful sludge and deposits. Keeps transmissions clean & properly functional

  • Suitable for severe service & extended drain


Exceptional low / high temperature fluidity

  • Delivers quick lubrication of transmission components in cold weather

  • Maintains desired viscosity & oil film strength in high temperature operation

  • Earlier drive away and smooth gear shifting during low temperature operation

  • Extends clutch life

  • Efficient heat removal from clutch surfaces

  • Excellent high and low temperature properties


Excellent anti-wear protection

  • Reduces wear on bearings, bushings and gears

  • Suitable for heavy loading & high operating temperature

  • Protects clutches from glazing


Stable friction properties

  • High torque capacity avoids clutch slippage & wear

  • Maintains transmission efficiency & fuel economy

  • Suitable for stop-start severe service

  • Excellent shift quality throughout service life

  • Prevents clutch shudder in modulated torque converters

  • Clutch plates and bands last longer


Compatible with all transmission seal materials

  • Helps maintain seal integrity


This ATF is suitable for use in heavy duty fleets for extended oil drain intervals. Refer to the OEM oil drain interval recommendations for your application and service type.


Allison TES 668™

  • Approved (AN668-10012020)


Voith H55.6335.xx (standard drain, 60K km)

  • Suitable for use


ZF TE-ML 14A (standard drain)

  • Suitable for use


Mercedes-Benz MB 236.92

  • Approved


Volvo STD 1273,41 - transmission oil 97341 (AT101)

  • Approved (#97341-086)


GM DEXRON®-III(H), -III(G), -II(E), or -II (obsolete)

  • Suitable for use



Certified Petro-Canada Product

Duramach partner with Petro-Canada to supply world-class advanced lubricants, specialty fluids and greases developed from over 30 years of research and development.


Petro-Canada lubricants continue to perform beyond expectations in virtually every industry around the globe. 

bottom of page