• GL 4-90
  • GL 4-140

TruSouth GL-4 Gear Oils are multi-service EP gear lubricants manufactured from high quality base stocks and superior additive technology.  They are recommended for use in gearboxes, manual transmissions, bearings, gear reducers and many other applications where an API Service classification GL 4 gear lubricant is specified.  TruSouth GL-4 Gear Oils can be used for make-up of Limited Slip/Positive Traction rear axles.

Technical Specification Sheets




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