Coolants for Detroit™ eAxles

mpa — coolant brochure — eAxles

The intent of this bulletin is to provide the requirements, directions, and information required to ensure cooling system protection for Detroit™ eAxles. These recommendations are general rules and reflect years of experience, technology research, and product development. Specific concerns not covered by this publication should be addressed to your local Detroit™ representative. The coolant used in Detroit™ eAxles must have passed internal engineering validation and meet the DFS 93K217 specification for Electric Vehicle (EV) Application with the following basic requirements:

  • Provide an adequate heat transfer medium.

  • Protect against cavitation damage to both cylinder liners and water pumps.

  • Provide a corrosion/erosion-resistant environment.

  • Prevent formation of scale or sludge deposits.

  • Be compatible with cooling system hose and seal materials.

  • Provide adequate freeze protection.

Coolants that are not approved for EV applications and are not listed in DFS 93K217 are not to be used in Detroit™ eAxles.

Note:
Document Number: 0000137735
Manual Publication Date: 2024-01-05
Topic Publication Date: 2024-10-10