• Transmission & Gear Oils
  • Automatic Transmission Fluids

Delo Syn ATF 668



Delo® Syn ATF 668 is a full synthetic transmission fluid specifically engineered for Allison heavy duty automatic truck and bus transmissions. It is officially approved and licensed by Allison for transmissions requiring TES 668TM and is backwards compatible with TES 389® and TES 295®.


Delo Syn ATF 668 is designed for severe duty and extended drain intervals. It is approved for on highway and vocational Allison transmissions that call for an Allison TES-668 fluid and is backwards compatible for transmissions specifying an Allison TES-295 or Allison TES-389 approved fluid. It is not recommended for use in Allison transmission which call for Allison TES-468 fluids.


Contact one of our experts to find out about available sizes.

Available in regions

  • Quebec / Atlantic
  • Ontario
  • British Columbia

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