Trunk Piston S3 40
Lubricants for medium-speed marine diesel engines running on distillate fuels
Trunk Piston S3 40
Pure Tech Trunk Piston S3 40 is a high quality, multifunctional diesel engine lubricant which
has been specially designed for the most severe service main propulsion and auxiliary
marine trunk piston engines burning distillate, hybrid and bio-fuels with a sulphur content up to 1%.
The newly formulated Pure Tech Trunk Piston S3 40 has also been optimised for use in non-engine applications which are typically found on board such as gearboxes, clutches and stern tubes.
PERFORMANCE, FEATURES & BENEFITS
Reliable engine performance:
- Extended oil life: Pure Tech Trunk Piston S3 40 offers excellent resistance to oxidation and thermal degradation so it can offer longer oil life, especially in high stress engines under severe operating conditions.
- Engine protection: Pure Tech Trunk Piston S3 40 can help to extend engine life by reducing deposit formation in the piston ring belt and cylinder liners reducing the risk of ring sticking and breakage.
Main Applications:
- Highly rated, medium speed, main propulsion & auxiliary trunk-piston stationary & marine diesel engines.
- Pure Tech Trunk Piston S3 40 will also perform satisfactorily in smaller high-speed engines typically used in fishing fleets which operate under arduous conditions and have small sump sizes.
- Turbochargers, oil filled stern tubes and variable pitch propellers.
DOWNLOAD
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TYPICAL PHYSICAL CHARACTERISTICS
Technical data includes viscosity, density, flash point, and sulfur content. These characteristics ensure proper engine performance and compliance with environmental regulations, displayed comprehensively in the table below.
| PROPERTIES | METHOD | Trunk Piston S3 40 | ||
|---|---|---|---|---|
| SAE grade (viscosity class) | 40 | |||
| Kinematic Viscosity | @40°C | mm²/s | ASTM D445 | 128 |
| Kinematic Viscosity | @100°C | mm²/s | ASTM D445 | 13.7 |
| Viscosity Index | ASTM D2270 | 103 | ||
| Density | @15°C | kg/m³ | ASTM D4052 | 890 |
| Flash Point | °C | ASTM D93 | 230 | |
| Pour Point | °C | ASTM D97 | -21 |
|
| Base Number | mg /KOH/g | ASTM D2896 | 12 | |
| Sulphated Ash | % m/m | ASTM D874 | 1.5 |
|
| Load Carrying Capacity (FZG Gear Machine) | Failure Load Stage | ISO 14635-1 A /8.3/90 | 12 |
Health and Safety
HEALTH, SAFETY & ENVIRONMENT
Pure Tech Trunk Piston S3 40 is unlikely to present any significant health or safety hazard when properly used in the recommended application and good standards of personal hygiene are maintained.