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OPUS MAX 10W/40 Low SAPS is a heavy duty diesel engine oil with the latest API CK-4 and ACEAE9 specifications and is formulated to meet the latest Euro 5 & 6 low emissions requirements and issuitable for use in current low emission engines which employ advanced exhaust after treatmentdevices such as Diesel Particulate Filters (DPF) as well as Exhaust Gas Recirculation (EGR) andSelective Catalytic Reduction (SCR). It is formulated with a high performance additive system and issuitable for engines powered by both ultra low and low sulphur diesel providing superior protection andallowing extended oil drain servicing (subject to OEM recommendations and good operatingpractices).


OPUS MAX 10W/40 is designed to allow fleet operators to run their new vehicles to maximum drainintervals. Its primary application is for the latest low emission Euro IV, Euro V and Euro VI Europeantrucks and buses, especially those requiring a Low SAPS lubricant.

Performance Levels.

  • API:  CK-4
  • ACEA: E7, E9
  • Mercedes-Benz: 228.31
  • Volvo: VDS 4
  • Renault: RLD4 / RLD-3 (*)
  • Mack: EOS-4.5
  • MTU Type 2.1
  • Caterpillar ECF-3, ECF-2, ECF-1a   
  • Cummins: CES 20086
  • Detroit Diesel: 93K222
  • Deutz DQC III-10-LA
  • MAT 3571(**) 

(*) RLD-4 specification has been published to be in line with the API CK-4 industry standard.

However, Renault will only provide RLD-3 reblend approvals on CK-4 oils.

(**) Suitable for use




  • Meets the current requirements of API CK-4
  • Suitable for vehicles fitted with diesel particulate filters (DPF) as well as EGR and SCR
  • Designed for both ultra low and low sulphur diesel (Low SAPS)
  • Allows extended drain intervals between oil changes
  • Enhanced soot control and dispersing capabilities
  • Demonstrates good cold start up performance
  • Minimises engine wear and oil consumption
  • Fuel saving benefits
  • Backward compatible to older models

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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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