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Unleash the Power of 15W40 Synthetic Diesel Oil API CK-4: Maximizing Diesel Engine Performance

Experience the ultimate in heavy-duty performance with Armor Lubricants, the Synthetic diesel engine oil designed to excel in the most demanding applications.

15w40 Synthetic Diesel Oil API CK-4 is specially formulated to provide exceptional lubrication and protection for heavy-duty diesel engines. Whether it’s hauling heavy loads, navigating challenging terrains, or enduring extreme temperatures, our engine oil delivers unrivaled performance and reliability.

15w40 Synthetic Oil Benefits to Customers

  • We formulate the best synthetic diesel oil to improve fuel economy and potentially increased horsepower.
  • Our 15W40 synthetic oil for diesel engines creates a stronger film, reducing friction and wear on engine components for an extended engine life and less maintenance.
  • Our Specially formulated Synthetic engine oil flows better at low temperatures, allowing for easier cold starts and reducing engine wear.
  • The superior stability and protection saves time and cost on maintenance.

If you are looking for the best protection for your diesel engine, then you need to use the best synthetic engine oil for diesel engines. Armor Lubricants is a leading manufacturer of synthetic diesel oil. Commitment to quality extends to our synthetic oil for diesel engines, offers an excellent choice for demanding needs in the market.

SAE Grades





  • Enhanced oxidation resistance - This helps to protect your engine from harmful oxidation, which can lead to premature wear and tear.
  • Improved low-temperature performance - This helps to ensure that your engine starts easily in cold weather.
  • Increased soot control - This helps to keep your engine cleaner and running more efficiently.
  • Extended oil drain intervals - This can save you money on oil changes.


Protect Your Investment, Optimize Engine Performance: Why Armor 15w40 Diesel Oil Synthetic matters?

  • Armor Synthetic Diesel Oil 15w40 CK-4 is made with high-quality synthetic oils, which are more stable and resistant to degradation than the petroleum-based base oils used in conventional diesel oil.
  • Armor Synthetic Diesel motor Oil contains special additives that help to improve performance and protect diesel engines.
  • Synthetic Engine Oil for diesel engines we manufacture has the increased performance and longer lifespan can make it a worthwhile investment.


10W30, 10W40, 15w40 Synthetic Diesel Oil are designed for heavy diesel engines that can lubricates the vehicle even for a year even under the toughest operation conditions. This specially formulated synthetic oil for diesel engines is suitable for EURO 4, EURO 5 and EURO 6 engines in combination with diesel fuel with a low Sulphur content. This heavy-duty 15W40 Synthetic Diesel engine oil is also suitable for application in engines with or without particle filters and exhaust catalysts. This Synthetic oil is one of the groups “low SAPS” lubricants.


ARMOR TRANS+ Synthetic Oil for Diesel Engines meets the following performance specifications:

  • ACEA E6/E7/E9
  • API CK4; MB-228.31/228.51
  • MAN M 3677/M 3477/M 3271-1
  • Volvo VDS-4/VDS-3
  • Mack EO-O Premium
  • Plus/EO-N
  • Renault VI RLD-3/RLD-2
  • MTU Type 3.1
  • Renault VI RXD/RGD
  • Mack EO-M Plus
  • Cummins CES 20081
  • Cat ECF-3
  • Deutz DQC IV-10 LA
  • JASO DH-2

Our Packaging Sizes

  • CAN - 1L, 4L, 5L, 6L, 7L
  • DRUM - 200L, 208L
  • IBC - 1,000L
  • FLEXI BAG - 20,000L