Duralec Commercial Lubricants

The Duralec commercial lubricant product line includes heavy-duty motor oils, transmission fluids, gear oil, multi-purpose grease, coolant additive, tractor fluids, hydraulic fluids and diesel additives.

  • Duralec Super 5W-30, 5W-40, 10W-30 and 15W-40 for EPA 2007 and 2010 emissions-equipped diesel engines offers optimal high-temperature break down resistance and low temperature pumpability to minimize cold-induced startup wear
  • Duralec Ultra 10W-30 and 15W-40 fortified with a high level of zinc/phosphorus anti-wear additive and Synerlec proprietary additive technology, making it suitable for use in both two-cycle and four-cycle diesel applications
  • Duralec ATF synthetic high-performance automatic transmission fluid helps to reduce heat and wear, and is provides greater oxidation stability 
  • Duralec MTF 10, MTF 30 and MTF 50 Manual Transmission Fluid is a blend of premium mineral and synthetic lubricants that provides optimal friction performance with both metallic and nonmetallic friction materials found in today’s powershift transmissions
  • Duralec Gear Oil HD suited 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

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