Product Description:

GulfSea Cylcare 5085is a superior quality Marine Cylinder Lubricant (MCL) designed for the very latest modern low speed crosshead diesel engines operating on residual fuels having sulphurcontent in excess of 1%. This oil is specially developed for diesel engines operating with higher brake mean effective pressures(bmep)longer strokelengthsand Tier II NOx compliance. This oil is available in SAE 50 viscosity grade with a BN (Base Number) of 85. This oil possesses outstanding acid neutralizing capability and provides excellent engine cleanliness and durability.


The feed rates recommended by the manufacturer should be maintained as the minimum. Higher feed rates may be required during running-in
Recommended for cylinder lubrication MAN Mk 8.2 and Mk 9 engines and Wartsila RT-Flex & W-X engines operating on residual fuels with sulphur contents in excess of1%where cold corrosion is not evident Click Here To Download PDF


ISO Grade 32, 46, 68, 100,150

Performance Level:

It meets and exceeds the requirements of MIL-L-17672C, DIN 51524 Part 1, Denision HF-1, Cincinnati Milacro n .

Features & Benefits

  • Outstanding acid neutralizing capability helps to prolong the life of engine components
  • Superior detergency minimizes deposits on critical parts viz. pistons, piston rings, ring grooves and cylinder ports
  • Higher BN for increased acid neutralization capabilityand OEM’s specified residual BN reserve in scrape down oil.
  • Enhanced anti-wear property minimizespiston ring & cylinder wear leading to reduced maintenance costs
  • Good compatibility with all normal seal materials

Typical characteristics:

GulfSea Cylcare 5085
Typical Properties SAE GRADE 50
BN 85
Test Parameters ASTM Standard Typical Values
Viscosity @ 100 ºC, cSt D 445 19.4
Viscosity Index D 2270 99
Flash point ºC D 92 248
Pour point, ºC D 97 -12
BN, mg KOH/g D 2896 85
Density @ 10 ºC,kg/l D 1298 0.943