Lubrication Engineers: Leaders in Lubricants
• Locate an LE Consultant • Contact Us

Heavy Duty Trucks

  • Synolec® SAE 50 (650)

    A synthetic transmission lubricant for Eaton Roadranger manual transmissions. A full synthetic, premium lubricant designed to meet extended drain and OEM warranty requirements. SYNOLEC® is designed to be used in manual transmission in light to severe duty on-and-off highway equipment operating in a diverse range of operating environments. SYNOLEC® (650) meets the specifications required by Eaton Roadranger E500 PS 164 Rev 7 for extended drains and warranties.

  • Monolec® Power Fluid (7500)

    In the field, on the road, at the site - today's heavy-duty applications mean a hard-working fleet has to take the heat like never before. That is exactly why those tractors, buses, and dozers need the heavy-duty protection of LE's 7500. An advanced concept in the lubrication of combination gear-hydraulic (wet brake) systems. Highly versatile, designed to meet the unusual operating needs of most combination gear-hydraulic systems and transmissions.

  • Power Transmission Fluid
    (CAT TO-4) (7510/7530/7550)

    Heavy-duty, high performance power transmission fluids formulated for use in transmissions, final drives, and wet breaks of equipment requiring fluid that meets the Caterpillar TO-4 or Allison C-4 specification as well as certain manual transmissions.

  • Reduced wear
  • Control of rust and corrosion
  • Foam prevention
  • Seal compatibility