Duralec Synthetic Lubricants

Royal Purple introduces its line of Duralec lubricants for use in heavy-duty on- and off-highway equipment.

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Premium synthetic lubricant manufacturer Royal Purple introduces its latest commercial lubricant product line, Duralec.

  • Specifically developed for the over-the-road trucking, construction, mining, agriculture and heavy-duty fleet markets
  • Features state-of-the-art technology to optimize equipment performance
  • Duralec commercial products include heavy-duty motor oils, transmission fluids, gear oil, multi-purpose grease, coolant additive, tractor fluids, hydraulic fluids and diesel additives
  • Formulated with premium additive packages to deliver ultimate protection and peak performance in high-tech engines regardless of driving and operating conditions

Duralec Super motor oils

  • 5W-30 – 5W-40 – 10W-30 – 15W-40
  • High performance synthetic engine oils
  • Made for EPA 2007 and 2010 emissions equipped diesel engines requiring the use of emissions compliant oil
  • Maximizes component life, extends drain intervals and improves fuel performance
  • Premium synthetic formulation has excellent high-temperature break down resistance and low-temperature pumpability to minimize cold induced startup wear 

Duralec Ultra­

  • 10W-30 – 15W-40
  • Fortified with a high level of zinc/phosphorus anti-wear additive and Royal Purple’s proprietary additive technology Synerlec
  • Maximizes performance and meets demands of today’s heavy-duty engines
  • For use in both two-cycle and four-cycle diesel applications including automotive, commercial fleet and stationary industrial diesel engines
  • Outperforms leading synthetic and conventional lubricants for both gasoline and diesel engines
  • Provides lower coefficient of friction to save fuel
  • Synthetic solvency keeps internal engine parts cleaner than detergents alone
  • Provides superior oxidation stability that greatly extends drain intervals and minimizes harmful oil degradation

Duralec ATF

  • Synthetic high-performance automatic transmission fluid formulated for demanding operating conditions
  • Low co-efficient of friction and high film strength helps to dramatically reduce heat and wear, and is more oxidation-stable for longer fluid life
  • Fully compatible and can be mixed with most other automatic transmission fluids

Duralec MTF (manual transmission fluid)

  • MTF 10 - MTF 30 – MTF 50
  • Blend of premium mineral and synthetic lubricants
  • Provides outstanding friction performance with both the metallic and nonmetallic friction materials found in hi-tech powershift transmissions
  • Promotes greater oil life, smoother brake operation, reduced gear wear, controlled powershift transmission friction and more reliable equipment when combined with Royal Purple’s additive technology
  • Meets requirements of Caterpillar TO-4, Allison C-4, API CF and CF-2, Eaton and Dana manual transmissions

Duralec Gear Oil HD

  • Helps heavily loaded gears gain maximum protection while maximizing power throughout the drivetrain
  • Recommended for use in truck and automotive front or rear differentials, manual transmissions and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid
  • Makes gears run smoother, quieter, cooler and longer without overhauls
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