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Finding the right engine oil for the job

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Engine oils that support business growth

For more than 90 years, Mobil Delvac has been a trusted lubrication collaborator for many of the world's most successful fleets, providing:

Dependability

that comes with extreme-temperature performance and outstanding engine protection.

Efficiency and cost savings

from improved fuel economy potential and extended oil drain interval capability.                      

Delvac Days have been extended

Get up to $2 off per gallon on some of our most popular Delvac products

Chosen by many of the world's leading heavy-duty equipment manufacturers

Boosting uptime

Mobil Delvac 1 ESP 0W-40, 5W-40 & ADVANCED FUEL ECONOMY

Advanced full synthetic oils that demonstrate:

  • Extended oil drain interval (ODI) potential up to 3X the average OEM ODI recommendation
  • Long engine life and reliable operation in a wide range of applications
  • Emission system protection

Mobil Delvac Extreme 10W-30 & 15W-40

Synthetic oils that deliver:

  • Extended ODI potential up to 2X the average OEM ODI recommendation
  • Up to 46% more antioxidant and 44% more anti-wear additives than Mobil Delvac 1300 Super
  • Exceptional oxidation stability

Mobil Delvac 1300 SUPER 10W-30 & 15W-40

Synthetic blend oils that provide:

  • Extended ODI potential up to 1.5X the average OEM ODI recommendations
  • Stay-in-grade shear stability and excellent low-temperature pumpability
  • Excellent soot and viscosity control

Mobiltrans AST Series

  • All-season lubrication for all drivetrain components 
  • Helps deliver extended drain and service intervals
  • Formulated for long clutch and wet brake life; meets Cat TO-4M specification

Mobil DTE 10 Excel Series

  • Outstanding wear protection and system cleanliness
  • Excellent oxidation and thermal stability
  • Energy efficiency potential to reduce fuel expenses 

Reducing Maintenance

Mobiltrans HD Series

  • Viscosity grades for hydraulic, transmission, and drivetrain applications
  • Formulated for long clutch and wet brake life; meets Cat TO-4 specification 
  • Excellent gear and bearing protection

Mobil Hydraulic 10W

  • Excellent performance in a wide range of hydraulic systems
  • Protection against oil thickening, high-temperature deposits, varnish, and oil degradation
  • Good performance at higher temperatures and extended operating intervals

Mobil Centaur XHP Mine Series

  • Excellent extreme-pressure protection and load-carrying ability for equipment protection under heavy and shock loading
  • Excellent high-temperature oil bleed control
  • Advanced polymer additive package resists water washout

Mobil Centaur Moly Grease

  • Excellent extreme-pressure protection and load-carrying ability
  • Enables extreme-pressure performance retention and protection in severe sliding situations
  • Provides exceptional water resistance and corrosion protection

Mobilfluid 424

  • Exceptional performance in powertrain transmissions, drive axles, clutches, power take-offs (PTOs), and hydraulic systems
  • Enhanced frictional properties help reduce chatter in wet brake and PTO service
  • Multipurpose capability provides opportunity for lubricant consolidation

Where Problems meet solvers

Discover what STERN can do for you.

Interactive Map: STERN's Service Area

STERN covers a wide territory for numerous products and services. Find out if we service your area with this interactive map.

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