Castrol Syntrax E

Fully synthetic rear axle oil for arduous service in rear axle (differential) and power dividers. Recommended for use in Eaton and Rockwell rear axles operating where long oil drain periods and extended warranty conditions apply. Also recommended for use under severe conditions, particularly in B-double or road train applications.

Features & Benefits

  • Thermally stable – provides protection at extremes of very low/high operating temperatures
  • Improved performance over conventional mineral API GL-5 85W-140 lubricants
  • Reduced wear, increased gear component life
  • Approved for extended warranty programmes for longer real axle drive life


  • SAE 85W-140
  • API GL-5
  • Eaton/Dana extended drain and warranty programme