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AMSOIL Signature Series Max-Duty 0W-40 Synthetic Diesel Oil bottle
Synthetic Diesel Oil 0W-40

AMSOIL Signature Series Max-Duty 0W-40 Synthetic Diesel Oil

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Estimated delivery by Mon, Feb 23 or sooner

Extreme Cold-Weather Protection for Diesel Engines

AMSOIL Signature Series Max-Duty 0W-40 features the highest viscosity index (180) in the Max-Duty lineup, delivering exceptional protection across the widest temperature range. With a pour point of -48°C (-54°F), it provides instant cold-weather flow for diesel engines in the harshest conditions.

Key Benefits

  • 6X more wear protection than required by DD13 Scuffing Test
  • Highest viscosity index (180) in Max-Duty lineup
  • Extreme cold-weather starting at -48°C (-54°F)
  • Extended drain intervals up to 3X OEM recommendation
  • 60% better turbo cleanliness protection
  • 76% less oil consumption than API CK-4 standard

Technical Specifications

PropertyValue
Kinematic Viscosity @ 100°C, cSt15.7
Kinematic Viscosity @ 40°C, cSt92.8
Viscosity Index180
HTHS Viscosity, cP4.2
Pour Point-48°C (-54°F)
NOACK Volatility, % weight loss10.9%
Total Base Number (TBN)10.1
Sulfated Ash Content0.99%

Industry Certifications & OEM Approvals

API

  • CK-4/SN

Cummins

  • CES 20086, CES 20081

Detroit Diesel

  • DFS 93K222, 93K218

Volvo

  • VDS-4.5

Mack

  • EOS-4.5

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Frequently Asked Questions

When should I use 0W-40 diesel oil instead of 5W-40?

Choose 0W-40 when you need maximum cold-weather starting performance. With a pour point of -48°C vs -43°C for the 5W-40, it flows better in extreme cold. Both provide similar protection at operating temperature.

Independent AMSOIL Dealer #1858536. Product information sourced from AMSOIL. Visit AMSOIL.com for the most current product details and availability.