Servo Premium ALT 15W-40 is a high quality diesel engine oil. It is produced for the performance requirements of modern and highly rated turbo charged diesel engines in the over the road transport fleet applications and also off highway operations. It protects from high temperature engine deposits, oil degradation, oil thickening and corrosion resistance. It has excellent shear stability which maintains viscosity under high temperature operations.It is used by Ashok Leyland commercial vehicles complying with Bharat Stage-I Emission Norms. It can also be used by previous models.It meets API CF4 and MB 228.1 Specifications.It is approved by Ashok Leyland Ltd, Chennai.
| Kinematic Viscosity, cSt @ 100°C | 14.0 – 15.0 |
| Viscosity Index, Min. | 135 |
| TBN, mg KOH/g | 8.5 – 11.5 |
| Flash Point, (COC)°C, Min. | 200 |
| Pour Point °C, Max. | (-) 24 |