DURADRIVE HD SYNTHETIC 668 - The Ultimate ATF for Your Allison Transmission

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.

Key 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 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.

Applications

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.

Approvals

• 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.

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.