Features

The Mobil Centaur Moly greases are members of the Mobil™ brand of lubricating products recognized for their high quality and reliability, as well as performance capabilities. This family of products is manufactured to the strictest quality standards. A key feature for this product family is its reputation for reliability and consistency, and its ability to handle tough applications. The Mobil Centaur Moly Series are formulated with state-of-the-art high-performance calcium sulfonate thickener technology and is formulated for heavy-duty truck, mining and construction applications as well as heavily loaded industrial bearings. The Mobil Centaur Moly greases offer the following potential benefits:

  • Excellent extreme-pressure protection and load-carrying ability for equipment protection under heavy and shock loading
  • Fortified with 3% molybdenum disulphide for retention of EP performance and equipment protection in severe sliding situations
  • Outstanding corrosion and water resistance for highly reliable lubrication in hostile environments

Applications

The Mobil Centaur Moly Series of greases are highly recommended for heavily loaded applications or environments highly contaminated with water. Specific examples of such applications include:

  • Heavy-duty trucks, including chassis, spring shackles, king pins, tie rods, u-joints, hinge and bucket pins and fifth wheels
  • Mining and construction equipment
  • Marine equipment
  • Highly loaded industrial bearings

Typical Properties

Mobil Centaur Moly 1 2
NLGI Grade 1 2
Thickener Type Calcium Sulfonate Calcium Sulfonate
Color, Visual Grey Grey
Molybdenum DiSulfide, wt%, Calculated 3% 3%
Penetration, Worked, 25º C, ASTM D 217 325 265(min)
Dropping Point, ºC, ASTM D 2265 288 280
Viscosity of Oil, ASTM D 445
cSt @ 40º C 320 320
Timken OK Load, ASTM D 2509, lb 60 60
4-Ball Weld Test, ASTM D 2596, Weld Point, Kg 500 500
4-Ball Wear, ASTM D 2266, 40 kg, 1200 rpm, mm 0.50 0.38
Water Washout, ASTM D 1264 1 hr. @ 79º C, % 1.0 1.0
Water Spray resistance, ASTM D 4049, mass % 25 20

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