Celebrating Since 1940

Commercial Lubricants

Downs Energy offers Phillips 66 commercial lubricant products for the heavy duty on and off-road segments.

Engine Oils

  • Guardol ECT (Emission Control Technology) Synthetic Blend 15W-40 and Fuel Savings 10W-30 (download pdf) with Liquid Titanium are leading premium diesel engine oils designed for today’s strict emission standards. They are recommended where API CJ-4 is required including Caterpillar, Cummins, Detroit, Mack, Mercedes and Volvo among major engine manufacturers.
  • Fleet Supreme EC (Emission Control) 15W-40 is an economical solution meeting the 2007 emission standards and recommended for use where API CJ-4 is required
  • Guardol 15W-40 is designed for pre-2007 engines. Provides superior soot control with a higher TBN
  • T5X 30, 40 and 50 are mono-grade oils meeting API CF-2. Recommended for Detroit Diesel 2-cycle engines. Also meets the transmission requirements for Meritor, Dana Spicer and Eaton Fuller
  • Guardol NG Natural Gas low-ash engine oil

Power Transmission Fluids

  • Powerdrive (SAE grades 10W, 30, 50 and 60) fluids for transmissions, final drives and hydraulic fluids where Caterpillar TO-4 fluids are required. Can be used in transmissions where Allison
    C-4 is recommended
  • Tractor Hydraulic Fluid is a multifunctional fluid designed for off-road equipment requiring a single fluid for transmission, final drive, hydraulic and wet brake systems. Meets John Deere J20C along with most other OEM requirements
  • Triton HD ATF is a full-synthetic, heavy-duty ATF recommended for service fill in Allison automatic transmissions and on-highway applications where a TES-295 quality fluid is specified. Also recommended for Voith and ZF transmissions

Hydraulic Fluids

  • Megaflow AW Hydraulic Oils (ISO grades 22 – 320) are high quality fluids exceeding the 5000HR TOST test. Excellent water separating abilities and resistant to foaming
  • Ecoterra Hydraulic Oils (ISO grades 32, 46, and 68) are nontoxic, zinc free and inherently biodegradable for environmentally sensitive areas

Gear Oils

  • A complete line of mineral and synthetic products including approved products under the Meritor, Dana or Eaton Roadranger extended warranties with 500,000 mile drain intervals


  • A full line of premium grease products from NLGI #000 to #2 including tacky Red and Caterpillar 3% and 5% Moly products



Main Office
1296 Magnolia Ave
Corona, CA 92879

Office Hours
Monday - Friday 8:00am - 5:00pm

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