Mobil SHC Gear 680 OH

Mobil SHC Gear 680OH

The Mobil SHC Gear 680OH Series lubricants are supreme performance heavy-duty gear oils primarily designed to lubricate enclosed gearing as well as plain and rolling element bearings in off-highway equipment subject to shock and heavy loading. Mobil SHC Gear 680OH is designed to provide outstanding service in terms of equipment protection, oil life, and problem-free operation helping to enable increased customer productivity. This scientifically engineered synthetic lubricant is formulated from synthetic base fluids that have exceptional oxidation and thermal properties and excellent low temperature fluidity. The combination of a naturally high viscosity index and a unique additive system enables this product to provide outstanding performance under severe high and low temperature operating conditions. The nature of the synthetic base fluids also contributes to the products excellent low temperature performance. Mobil SHC Gear 680OH delivers outstanding gear scuffing protection in heavily loaded gearboxes. The synthetic base stocks have inherently low traction properties that result in low fluid friction in the load zone of non-conforming surfaces such as gears and rolling element bearings. Reduced fluid friction produces lower operating temperatures and improved gear efficiency.

Advantages and Potential Benefits:

Mobil SHC Gear 680OH is a member of the Mobil SHC brand of products that are world-renowned for their innovation and performance. Mobil SHC Gear 680OH provides benefits not possible with mineral stocks, particularly under extreme high and low temperature operating conditions.

  1. Outstanding load-carrying and anti-wear properties
  2. High viscosity index
  3. Low traction properties
  4. Outstanding thermal/oxidation resistance and long product life
  5. Light colour


Mobil SHC Gear 680OH is recommended for all types of enclosed steel-on-steel gear drives. Mobil SHC Gear 680OH is suitable for both circulation and splash lubrication systems. Mobil SHC Gear 680OH is available in an ISO VG 680, providing the right lubrication option for low temperature applications where pour points of -39C are required, to high temperature applications where operating temperature of 121C are encountered. Mobil SHC Gear 680OH is particularly recommended for lubricating gear sets in off-highway applications such as those found in mining, where heavy or shock loads and boundary lubrication conditions may prevail.

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