The Mobil Centaur Moly 2 is part of the Mobil™ brand of lubricating products recognized for its high quality and reliability, as well as performance capabilities. This product is manufactured to the strictest quality standards. A key feature for this product is its reputation for reliability and consistency, and its ability to handle tough applications. Mobil Centaur Moly 2 is 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. Mobil Centaur Moly 2 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


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


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