RAMCO Lubricants
Products/Diesel Engine Oils
RAMCO 5W-40 API CK-4/SN
Diesel Engine Oils

RAMCO 5W-40 API CK-4/SN

Viscosity Grade

5W-40

Specification

API CK-4/SN

Category

Fully Synthetic

A fully synthetic heavy-duty diesel engine oil for the latest low-emission engines fitted with DPF and EGR systems. Delivers excellent cold-start protection, oxidation stability and extended drain capability.

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Performance Highlights

Wear Protection

Additive film guards critical metal surfaces under load.

Oxidation Resistance

Resists thermal breakdown across long duty cycles.

Deposit Control

Keeps internal components clean and free of sludge.

Thermal Stability

Maintains film strength in high-temperature operation.

Smooth Performance

Controlled friction for responsive, quiet running.

Technical Specifications

PropertyMethodTypical Value
Density @29.5°C, gm/ccASTM D-12980.856
Viscosity @100°C, cStASTM D-44514.6
Viscosity @40°C, cStASTM D-44592.4
Viscosity IndexASTM D-2270166
Pour Point, °CASTM D-97-36
Flash Point, °CASTM D-92232
TBN, mgKOH/gmASTM D-289610.2

Always refer to the vehicle or equipment manufacturer's recommended specifications before selecting a lubricant.

Meets or Exceeds

  • API CK-4
  • API SN
  • ACEA E9

Available Packaging

250ML500ML1L3L4L5L20L200L Drum1000L IBC25,000L Flexitank

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