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SynSure™ Synthetic Gear Oil SAE 75W-90

D-A SynSure™ synthetic lubricants are transportation industry-oriented gear oils which focus on the critical needs of heavy-duty truck axles and differentials. D-A SynSure™ provides superior lubricant protection in the most severe service, including sub-arctic to desert conditions. SynSure™ is ideal for use in truck differentials and axles operating with equipment manufacturer extended warranties in extended drain service. D-A SynSure™ out-performs conventional gear lubricants to promote longer gear life and better equipment operating economy.

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  • Viscosity
  • Packaging
  • Approved & Suitable for Use
  • Recommended Applications

SAE 75W-90

Viscosity profiles meet the full requirements for protection and performance. Always consult your owner’s manual for proper oil viscosity and quality selection guidance.

Packaging Options

Available in a wide range of packaging including:

Part Number Packaging
14421 Bulk
14422 55 Gallon Drum
14426 16 Gallon Quarter Drum
14428 5 Gallon Plastic Pail


  • API GL-5 / MT-1
  • ArvinMeritor 076-N
  • Dana SHAES 256 Rev C, SHAES 429
  • International TMS 6816
  • Mack G0-J Plus
  • MIL-PRF-2105E / SAE J2360

Typical Applications

  • Heavy duty axles and final drives requiring API GL-5 & MT-1 performance.
  • On-highway light and heavy-duty trucks, buses and vans.
  • Off-highway equipment including:
    construction, mining, quarry applications and agriculture.
  • Heavy-duty industrial gear drives including hypoid gears.
  • Differentials, final drives, transfer cases and other gear applications where lubricants meeting SAE J2360 (MIL-PRF-2105E), API Service GL-5, EP gear lubricants are recommended.
  • Recommended for equipment such as winch reduction gears and crawler vehicle propulsion gear drives that are exposed to severe low temperatures.
  • Recommended where extended service intervals and warranties are required.

For full product details, please click on the provided PDS sheet.

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