Engine Oils Synergy Turbo Xtra 15W40 CH4

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Quantity: 26 Liters
Sale priceRs. 3,933.05 Regular priceRs. 5,460.00

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RUSTX RPO Turbo 15W-40 CF-4 is recommended for new generation commercial diesel vehicles of both American and European design such as Caterpillar and Cummins operating on Heavy duty on-highway and off highway equipment.

The oil is designed for the most severe performance requirements of modern, highly rated turbo charged diesel engines in the over the road transport fleet applications and also off highway operations. It assures outstanding protection against high temperature engine deposits, oil degradation, oil thickening and corrosion resistance. The oil is having excellent shear stability to maintain viscosity under severe, high temperature operations.

As a result, this product meets or exceeds the specifications of virtually all major European and American engine manufacturers. This extra high performance has been proven in the field in a wide variety of industries, applications, and mixed fleets.

The protective power of the oil is enhanced through the use of high purity base oil that provides increased additive activity. It delivers significant improvements in wear protection, deposit control and resistance to breakdown under high temperature.

All RUST-X rust preventive oils are Barium & Heavy Metal Free.


  • High Thermal Stability Provides a High Standard of protection Against Piston Deposits 
  • High Performance Dispersants, Delivers Excellent Control of Sludge and Deposits in the Engine.
  • Fine film with strong adherence to the surface.  Quick drying- Dries within 5 minutes
  • Excellent protection against acidic and saline environments
  • Excellent dewatering & degreasing properties
  • Protective film that does not scratched easily & protects during handling & outdoor storage


Physical Properties

Test Method





Viscosity @ cSt @ 100°C

ASTM D  445

>100 CsT

Specific Gravity

ASTM D 1298


Flash Point (before application)


<100 oC

Flash Point (after application)


220 oC

Volatiles by % (by weight)

10 %

Coverage (sq m/ Lt)        


Film Thickness                                IS 2074 

30 microns

Pour Point                                       ASTM D 97

Below -5oC

Saponification Value                     ASTM D 94

(mg KOH/gm)


Drying Time

15-20 Minutes

Humidity Chamber                       ASTM D 1748

2000 hours+

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