Monogrades are designed for use in engines and other applications in a wide range of heavy duty service, fueled by:
- Diesel
- Gasoline
- Propane, or
- Compressed natural gas (CNG)
DURON Monograde Engine Oils are proven in many applications, including mining, construction, and agriculture.
DURON Monograde
- OEM Approval
- Tech Data Sheet
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Overview
DURON 10W monograde engine oil is an SAE 10W grade designed for engines in a wide range of heavy duty service:
- fueled by diesel, gasoline, propane, or compressed natural gas (CNG) and
- other equipment such as hydraulics and other THF-type applications
Proven in many applications, including mining, construction, and agriculture.
Features & Benefits
- Thermal Strength: Resistance to lubricant breakdown caused by high temperatures and extreme loads
- Wear Protection: Reduced wear (e.g., piston rings and liners, longer bearing life)
- OEM Approval
- Tech Data Sheet
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Overview
DURON 30 monograde engine oil is an SAE 30 grade designed for engines in a wide range of heavy duty service, fueled by:
- diesel
- gasoline
- propane, or
- compressed natural gas (CNG)
Proven in many applications, including mining, construction, and agriculture.
Features & Benefits
- Thermal Strength: Resistance to lubricant breakdown caused by high temperatures and extreme loads
- Wear Protection: Reduced wear (e.g., piston rings and liners, longer bearing life)
- OEM Approval
- Tech Data Sheet
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Overview
DURON 40 monograde engine oil is an SAE 40 grade designed for engines in a wide range of heavy duty service, fueled by:
- diesel
- gasoline
- propane, or
- compressed natural gas (CNG)
Proven in many applications, including mining, construction, and agriculture.
Features & Benefits
- Thermal Strength: Resistance to lubricant breakdown caused by high temperatures and extreme loads
- Wear Protection: Reduced wear (e.g., piston rings and liners, longer bearing life)
- OEM Approval
- Tech Data Sheet
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Overview
DURON 50 monograde engine oil is an SAE 50 grade designed for engines in a wide range of heavy duty service, fueled by:
- diesel
- gasoline
- propane, or
- compressed natural gas (CNG)
Proven in many applications, including mining, construction, and agriculture.
Features & Benefits
- Thermal Strength: Resistance to lubricant breakdown caused by high temperatures and extreme loads
- Wear Protection: Reduced wear (e.g., piston rings and liners, longer bearing life)






