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Regular price £23.48
Regular price Sale price £23.48
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SYNOPUS MAX 10W/40 is a superior heavy duty diesel engine oil manufactured using high quality additives and base oils. The additive technology coupled with synthetic base fluids also ensures a high level of component protection and cleanliness when operating in severe conditions with extended drain intervals. SYNOPUS MAX 10W/40 is recommended for highly rated diesel engines meeting Euro 1, Euro II, Euro III, Euro IV and Euro V emission requirements. It is suitable for engines without particulate filters, and for most EGR engines fitted with SCR NOx reduction systems.

Applications SYNOPUS MAX 10W/40 is recommended for commercial vehicles, buses, trucks, plant and agricultural equipment.

Performance Levels

  • API: CI-4/SL
  • ACEA: E4 / E7
  • MB 228.3
  • MAN 3275-1
  • VOLVO VDS - 3
  • Cummins CES 20076/77/78
  • Caterpillar ECF-1a


  • Long drain benefits with 100,000 km between oil changes.
  • Reduced fuel consumption.
  • Low volatility.
  • Improved soot control.
  • Very high viscosity index.

Important Delivery Information

Please note that we cannot deliver to the follow postcodes at this time. Orders placed to these postcodes will unfortunately be cancelled. HS, IV20-64, IV99, KA27-28, KW1-17, PA20 ,PA40+, PH15-50 , PO30-41, IM1-9, JE1-5, GY1-10.

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Why buy from Opus Lubricants?

Our Products

A wide range of fully synthetic, semi synthetic and mineral based oils, greases and lubricants for the automotive, haulage, plant hire, agricultural, construction and engineering industries.

UK Manufactured

Manufactured in our Glasgow, Scotland factory from high quality base oils and additives.

Over 100 Years Experience

Ferguson & Menzies Ltd is an independent Scottish company based in Glasgow for over 100 years. The company is proud to be the only manufacturer of lubricants and construction products in Scotland.

Free UK Mainland Delivery

Free mainland UK delivery on all orders. If you do not live on the UK mainland then please contact us on 0141 445 3555 or email us for more information.


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