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Phillips 66 Eclipse® SAE Grade 20W-40 W Gas Engine Oil  (discontinued **)
Categories: Fluid; Lubricant

Material Notes: Phillips 66® Eclipse W Gas Engine Oil is a high-quality, mid-ash, dispersant-detergent gas engine oil designed for use in naturally aspirated and moderately to highly turbocharged 4-stroke cycle natural gas engines. It is particularly recommended for use in natural gas engines and dual-fuel engines burning sour gas or landfill gas. Eclipse W Gas Engine Oil is formulated to provide excellent resistance to oxidation and nitration, protect against piston scuffing and wear, and minimize the formation of engine sludge and piston deposits for good engine cleanliness. It has a high alkaline reserve (TBN) to protect engines operating under corrosive conditions, such as when burning sour gas, digester gas or landfill gas. Eclipse W is designed specifically for use in Waukesha gas engines, and has extensive field experience in Waukesha VHP GL turbocharged lean-burn engines. It also is recommended for use in other 4-stroke cycle natural gas engines that require a mid-ash gas engine oil containing 1 percent (nominal) sulfated ash.

Applications:

  • 4-stroke cycle gas and dual-fuel engines burning sour gas or landfill gas
  • 4-stroke cycle gas engines in wastewater treatment plants fueled by digester gas
  • 4-stroke cycle natural gas engines where the manufacturer specifies a mid-ash gas engine oil
Eclipse W is recommended for use in natural gas engines manufactured by:
  • Waukesha (VHP GL turbocharged, lean-burn engines, models 3521, 5115, 7042, 9390)
  • Cooper Superior
Features/Benefits:
  • Excellent resistance to oxidation and nitration
  • High dispersancy protects against engine sludge and varnish formation
  • Protects against scuffing and wear
  • Protects against rust and corrosion
  • High alkaline reserve to combat acidic combustion by-products when burning sour gas

Information provided by Phillips 66 Lubricants.

Vendors:
Available Properties
  • Specific Gravity
  • Density
  • Viscosity Measurement, Index
  • Kinematic Viscosity at 40°C (104°F)
  • Kinematic Viscosity at 100°C (212°F)
  • Ash, ASTM D874, Sulfated
  • ASTM Color, ASTM D1500
  • Total Base Number, ASTM D2896
  • Pour Point
  • Flash Point, COC
  • Phosphorous, P
  • Zinc, Zn
  
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**
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