Main Lubricants

Products

Our Main Lubricants are engineered to deliver reliable performance and long-lasting protection for marine engines operating under demanding conditions. Designed for efficiency, durability, and engine cleanliness, they help reduce wear, optimize performance, and support smooth vessel operations.

We supply high-quality marine lubricants suitable for a wide range of engine types and applications, ensuring dependable operation at sea and in port.

Key Benefits

  • Excellent engine protection under demanding marine conditions
  • Reduced wear and extended engine life
  • High thermal and oxidation stability
  • Enhanced cleanliness and sludge control
  • Reliable corrosion and rust protection
  • Optimized lubrication performance for continuous operation

Typical Applications

  • Main propulsion marine engines
  • Two-stroke and four-stroke diesel engines
  • Commercial cargo vessels
  • Tankers and container ships
  • Offshore and marine support vessels
  • Auxiliary systems requiring high-performance lubrication

Performance & Approvals

  • Manufactured to meet the demanding requirements of modern marine operations and compatible with major marine engine manufacturer specifications and industry standards. Designed to deliver consistent performance, operational reliability, and protection in a wide range of marine environments.
Products Catalogue:

Lubricant

SAE / ISO

Density kg/l @15C

Visc. 40C

Visc. 100C

Flash Point C

Pour Point C

BN / TBN

Download

Product Data Sheet

Safety Data Sheet

Cylinder Oils

PETROCEAN MCL 5040

SAE 50

0.918

–

19.16

>190

6

40

Details

Application

Cylinder oil for modern slow-speed crosshead engines operating on 0.50% sulfur fuels and beyond, subject to OEM guidance. Suitable for sustained low-sulfur operation when feed rates are correctly calibrated.

Specifications / approvals

-

PETROCEAN MCL 5040 X (Cat II)

SAE 50

0.918

201.4

18.5-20.0

–

6

40

Details

Application

Category II cylinder oil for slow-speed two-stroke engines operating on fuels up to 1.50% sulfur as well as LNG, ethane, methanol and LPG. Designed for superior cleanliness and deposit control.

Specifications / approvals

Recommended for all MAN ES engine types; specifically MAN B&W Mark 9 and higher.

PETROCEAN MCL 5070

SAE 50

0.932

207

19.0-20.5

–

6

70

Details

Application

Cylinder oil for low-speed crosshead engines operating on residual fuels, typically across 0.10% to 3.50% sulfur with feed rates adjusted to operating conditions.

Specifications / approvals

-

PETROCEAN MCL 50100

SAE 50

0.940

–

19.5

186

–

100

Details

Application

Premium cylinder lubricant developed to protect against corrosive wear in super-long-stroke crosshead engines burning residual fuels, especially in medium- and high-sulfur operation.

Specifications / approvals

-

System Oil

PETROCEAN SO 305

SAE 30

0.890

–

11.5

>190

-2

5

Details

Application

System oil for the crankcase of low-speed marine crosshead engines, including camless and electronically controlled designs.

Specifications / approvals

-

Trunk Piston Engine Oil

PETROCEAN TPEO 3020

SAE 30

0.897

–

11.5

>200

-6

20

Details

Application

Trunk piston engine oil for highly-rated medium-speed diesel engines in marine propulsion and power-generation service.

Specifications / approvals

Meets API CF specification.

PETROCEAN TPEO 4020

SAE 40

0.900

–

14

>200

-6

20

Details

Application

Trunk piston engine oil for highly-rated medium-speed diesel engines in marine propulsion and power-generation service.

Specifications / approvals

Meets API CF specification.

PETROCEAN TPEO 3030

SAE 30

0.902

–

11.5

>200

-6

30

Details

Application

Trunk piston engine oil for highly-rated medium-speed diesel engines in marine propulsion and power-generation service.

Specifications / approvals

Meets API CF specification.

PETROCEAN TPEO 4030

SAE 40

0.906

–

14

>200

-6

30

Details

Application

Trunk piston engine oil for highly-rated medium-speed diesel engines in marine propulsion and power-generation service.

Specifications / approvals

Meets API CF specification.

PETROCEAN TPEO 4040

SAE 40

0.913

–

14

>200

-6

40

Details

Application

Trunk piston engine oil for highly-rated medium-speed diesel engines in marine propulsion and power-generation service.

Specifications / approvals

Meets API CF specification.

PETROCEAN TPEO 4050

SAE 40

0.919

–

14

>200

-6

50

Details

Application

Trunk piston engine oil for highly-rated medium-speed diesel engines in marine propulsion and power-generation service.

Specifications / approvals

Meets API CF specification.

Speak to Technical Support

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Cyprus
Petrocean Limited
E: marine@petrocean.world
T: +357 22 355 580
A: 66 Arch. Makariou III
Avenue, 1077 Nicosia

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