OSR 10W40 Multigrade Diesel Engine Engine Oil
OSR 10W-40 Semi Synthetic Engine Oil is designed to provide dependable engine protection, improved performance, and smooth operation under a wide range of driving conditions.
Description

OSR Semi Synthetic Engine Oil API SN/CF SAE 10W-40: Strong Protection for Demanding Engines
OSR Semi Synthetic Engine Oil API SN/CF SAE 10W-40 is formulated using a
balanced blend of high-quality base oils and advanced additives to deliver reliable
lubrication and engine protection. It ensures smooth oil flow during start-up while maintaining
stable viscosity at higher operating temperatures.
The formulation helps reduce friction, minimize wear, and control sludge and deposit
formation, keeping the engine cleaner and running efficiently. It supports consistent engine
performance and durability, even under demanding conditions.
Key Benefits
-
Effective Protection Against Wear and Engine Deposits
Advanced additive package provides robust protection against metal wear and prevents harmful deposit accumulation in engine components. -
Smooth Performance During Start-Up and Operation
Ensures reliable oil flow from cold start through to full operating temperature for consistent engine protection. -
Helps Improve Fuel Efficiency
Lower internal friction contributes to more efficient engine operation and improved fuel economy over time. -
Maintains Engine Cleanliness
Effective detergent and dispersant additives actively combat sludge and deposit formation, keeping the engine clean. -
Stable Performance Across Temperature Variations
The 10W-40 viscosity grade maintains reliable lubrication across a wide range of operating temperatures. -
Suitable for a Wide Range of Petrol Engines
Meets API SN/CF specification, ensuring broad compatibility with everyday and high-mileage petrol engines.
Product Specifications
| Product Name | OSR Semi Synthetic Engine Oil |
| API Classification | API SN/CF |
| SAE Viscosity Grade | 10W-40 |
| Oil Type | Semi Synthetic |
| Application | Petrol Engines — General & High-Mileage Use |
| Available Pack Sizes | 1L, 3L, 5L, 20L, 50L, 210L, 1000L |

Available Packing Sizes
Available in a wide range of pack sizes to suit individual, trade, and industrial requirements:
Why Choose OSR Semi Synthetic Engine Oil 10W-40?
Semi Synthetic Formulation
A quality blend of synthetic and mineral base oils delivering enhanced protection and performance over conventional mineral oils.
Meets API SN/CF Standard
Fully compliant with API SN/CF specification, ensuring reliable compatibility with a wide range of petrol engines.
Higher Viscosity for Demanding Engines
The 40-weight rating provides stronger oil film protection at high temperatures, ideal for engines under heavier loads.
Engine Cleanliness
Detergent and dispersant additives actively control sludge and deposits, keeping the engine clean and efficient for longer.
Fuel Efficiency Support
Friction-reducing formulation helps the engine operate more efficiently, supporting improved fuel economy over its service life.
Multiple Pack Sizes Available
From 1 litre to 1,000 litre options — ideal for individual consumers, workshops, garages, and bulk industrial requirements.
Get OSR Semi Synthetic Engine Oil 10W-40
Available in multiple pack sizes for retail, trade, and bulk requirements. Contact our team to place an order or discuss your specific lubrication needs.



