LUBENZONYX TRUNCK PISTON EO series is a range of high performance 30 TBN marine diesel engine oils formulated with premium quality base stocks and high performance additive detergent technology to ensure optimum performance and protection for trunk piston engines. They are designed to operate efficiently in severe residual-fuelled medium-speed diesel applications found in marine and stationary power industries. These TPEOs provide outstanding residual fuel compatibility and excellent engine cleanliness, especially in crankcase, camshaft areas, ring belt and piston under crowns operating under severe conditions.
Applications
Specifications
LUBENZ ONYX TRUNCK PISTON EO series meets or exceeds following International and Builder specifications:
API CF
Application
Suitable for lubricating Medium-speed Trunk piston engines in industrial or marine propulsion and auxiliary engines on deep sea vessels, burning on residual fuel oils with <3% sulfur.
Suitable for use in the latest model medium speed diesel engines, facilitating low crankcase oil consumption and useful in engines operating with low cylinder liner temperatures.
Marine engine reduction gears, stern tubes & bearings and certain other ship-board applications.
Characteristics
LUBENZ ONYX TRUNCK PISTON EO |
Test Method |
Units |
30 |
40 |
50 |
SAE Grade |
— |
— |
30 |
40 |
50 |
Density @ 15 0C |
ASTM D 4052 |
gm/cc |
0.892 |
0.900 |
0.904 |
Viscosity @ 100 0C |
ASTM D 445 |
cSt |
11.6 |
14.6 |
19.2 |
Viscosity @ 40 0C |
ASTM D 445 |
cSt |
103 |
145 |
218 |
Viscosity Index |
ASTM D 2270 |
– |
100 |
99 |
99 |
Pour Point |
ASTM D 97 |
°C |
-9 |
-9 |
-6 |
Flash Point (COC) |
ASTM D 92 |
°C |
245 |
268 |
276 |
Total Base Number |
ASTM D 2896 |
mg KOH/g |
30 |
30 |
30 |
Sulphated Ash |
ASTM D 874 |
wt% |
3.7 |
3.7 |
3.7 |
The above figures are typical of blends with normal production tolerance and do not constitute a specification.